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img_blank
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int64
5
15
operators
stringclasses
1 value
difficulty
stringclasses
3 values
range
listlengths
2
2
markdown_table
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152
1.48k
markdown_answer
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161
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stringlengths
48
169
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unknown
images_blank_noborder/math_puzzle_1901_blank_noborder.png
images_blank_hr/math_puzzle_1901_blank_hr.png
13
+-*/
hard
[ 1, 164 ]
| ? | | | | | | | | | | | | | | ÷ | | | | | | | | | | | | | | ? | × | ? | = | 102 | | | | ? | + | 1 | = | ? | | = | | - | | - | | | | - | | | | | | 25 | | 14 | | 46 | | 2 | × | 79 | = | ? | | | | | | = | | = | | | | = | | ...
| 75 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3 | | 34 | | | | | | 106 | | | | 107 | | | | | | | | | | | | | | | | | | | | | | | | | | 158 | | | | | | | | | | | | | | ...
| step3 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | step3 | | | | step4 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | ...
Across 3×34=102 106+1=107 2×79=158 56-29=27 60-6=54 91+23=114 124÷31=4 Down 75÷3=25 34-14=20 102-46=56 106-79=27 29-6=23 91+31=122
{ "step1": [ "2×79=158", "91+23=114", "124÷31=4", "34-14=20", "102-46=56", "91+31=122" ], "step2": [ "3×34=102", "56-29=27", "29-6=23" ], "step3": [ "60-6=54", "75÷3=25", "106-79=27" ], "step4": [ "106+1=107" ] }
images_blank_noborder/math_puzzle_1902_blank_noborder.png
images_blank_hr/math_puzzle_1902_blank_hr.png
14
+-*/
hard
[ 1, 177 ]
| | | | | | | ? | - | 110 | = | 31 | | | | | | | | | | | | + | | | | | | ? | - | 15 | = | ? | | ? | | | | | | | | | | - | | = | | | | 5 | | | | 77 | + | 37 | = | ? | | | | + | | | | | | = | | | | | | ? | | 60 | + | ? | = | ? |...
| | | | | | | 141 | | | | | | | | | | | | | | | | | | | | | | 158 | | | | 143 | | 83 | | | | | | | | | | | | | | | | | | | | | | | | 114 | | | | | | | | | | | | | | | | 8 | | | | 46 | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step7 | | | | step6 | | step2 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | ...
Across 141-110=31 158-15=143 77+37=114 60+46=106 3×13=39 80×2=160 6×21=126 Down 31+83=114 143-37=106 5+8=13 60-39=21 46+80=126 2-1=1 160÷4=40
{ "step1": [ "141-110=31", "77+37=114", "3×13=39", "5+8=13", "160÷4=40" ], "step2": [ "80×2=160", "31+83=114", "60-39=21" ], "step3": [ "6×21=126", "2-1=1" ], "step4": [ "46+80=126" ], "step5": [ "60+46=106" ], "step6": [ "143-37=106" ], "ste...
images_blank_noborder/math_puzzle_1903_blank_noborder.png
images_blank_hr/math_puzzle_1903_blank_hr.png
6
+-*/
easy
[ 5, 154 ]
| | | | | | | 49 | | | | | | | | | | + | | | | | | 78 | ÷ | 6 | = | ? | | | | | | - | | × | | = | | | | ? | - | 8 | = | 23 | | 62 | | | | | | = | | = | | | | | | | | ? | | ? | ÷ | 2 | = | 69 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | 13 | | | | | | | | | | | | | | 31 | | | | | | | | | | | | | | | | | | | | | | 70 | | 138 | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | step1 | | | | |
Across 78÷6=13 31-8=23 138÷2=69 Down 49+13=62 78-8=70 6×23=138
{ "step1": [ "78÷6=13", "31-8=23", "138÷2=69", "49+13=62", "78-8=70", "6×23=138" ] }
images_blank_noborder/math_puzzle_1904_blank_noborder.png
images_blank_hr/math_puzzle_1904_blank_hr.png
10
+-*/
medium
[ 4, 98 ]
| ? | - | 31 | = | 67 | | | | | | | | | | | | | | | | + | | | | | | | | | | | | | | | | 9 | + | ? | = | ? | | 6 | + | 66 | = | ? | | | | | | = | | | | - | | × | | | | | | 20 | + | 56 | = | ? | | ? | | 15 | | 8 | × | 10 | = | ? | | ...
| 98 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 18 | | 27 | | | | | | 72 | | | | | | | | | | | | | | | | | | | | | | 76 | | 68 | | | | | | | | 80 | | ...
| step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | step1 | | | | | ...
Across 98-31=67 9+18=27 6+66=72 20+56=76 8×10=80 4×12=48 Down 67+9=76 27-15=12 6×8=48 68÷4=17
{ "step1": [ "98-31=67", "6+66=72", "20+56=76", "8×10=80", "4×12=48", "67+9=76", "27-15=12", "6×8=48", "68÷4=17" ], "step2": [ "9+18=27" ] }
images_blank_noborder/math_puzzle_1905_blank_noborder.png
images_blank_hr/math_puzzle_1905_blank_hr.png
12
+-*/
hard
[ 5, 216 ]
| 118 | - | ? | = | ? | | | | | | | | 201 | | | | | | × | | | | | | | | | | - | | | | | | 6 | | | | | | 27 | | 17 | | 81 | | | | | | = | | | | | | + | | + | | = | | | | | | ? | - | ? | = | 59 | | 8 | × | ? | = | ? | | | | ...
| | | 34 | | 84 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 204 | | 145 | | | | | | 15 | | 120 | | | |...
| | | step5 | | step6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step4 | | step3 | | | | | | step2 | | st...
Across 118-34=84 204-145=59 8×15=120 5×7=35 32-11=21 66-20=46 Down 34×6=204 201-81=120 27+8=35 17+15=32 145÷5=29 59+7=66
{ "step1": [ "201-81=120", "27+8=35", "59+7=66" ], "step2": [ "8×15=120", "5×7=35", "66-20=46" ], "step3": [ "17+15=32", "145÷5=29" ], "step4": [ "204-145=59", "32-11=21" ], "step5": [ "34×6=204" ], "step6": [ "118-34=84" ] }
images_blank_noborder/math_puzzle_1906_blank_noborder.png
images_blank_hr/math_puzzle_1906_blank_hr.png
14
+-*/
medium
[ 4, 238 ]
| | | | | | | | | | | 8 | | | | | | | | | | | | | | + | | | | 26 | | | | | | 96 | + | ? | = | 203 | | | | × | | | | | | | | - | | = | | | | ? | + | 6 | = | 15 | | | | 72 | | ? | | | | = | | | | + | | | | = | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 107 | | | | | | | | | | | | | | | | | | | | 9 | | | | | | | | | | 211 | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | step1 | | | | | | | | | | | | | ...
Across 96+107=203 9+6=15 175÷5=35 226-36=190 20+68=88 25×4=100 64+84=148 Down 8+203=211 26×9=234 107-72=35 15+175=190 5+20=25 36÷1=36 68-4=64
{ "step1": [ "96+107=203", "9+6=15", "175÷5=35", "226-36=190", "25×4=100", "64+84=148", "8+203=211", "107-72=35", "15+175=190", "36÷1=36", "68-4=64" ], "step2": [ "20+68=88", "26×9=234", "5+20=25" ] }
images_blank_noborder/math_puzzle_1907_blank_noborder.png
images_blank_hr/math_puzzle_1907_blank_hr.png
12
+-*/
hard
[ 2, 197 ]
| | | | | | | | | 39 | | | | | | | | | | | | | | + | | | | | | | | | | | | | | 153 | | | | | | | | | | | | | | = | | | | | | | | | | 4 | × | ? | = | ? | | | | | | | | | | × | | × | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 48 | | 192 | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | | ...
Across 4×48=192 23×3=69 52+40=92 83+55=138 152÷2=76 Down 39+153=192 4×23=92 48×3=144 69+83=152 40-6=34 2×60=120 76-61=15
{ "step1": [ "52+40=92", "152÷2=76", "39+153=192", "40-6=34", "2×60=120" ], "step2": [ "4×48=192", "4×23=92", "76-61=15" ], "step3": [ "23×3=69", "48×3=144" ], "step4": [ "69+83=152" ], "step5": [ "83+55=138" ] }
images_blank_noborder/math_puzzle_1908_blank_noborder.png
images_blank_hr/math_puzzle_1908_blank_hr.png
8
+-*/
easy
[ 2, 147 ]
| | | | | | | | | | | 61 | | | | | | | | | | | | + | | | | | | 132 | | 2 | + | 75 | = | ? | | | | | | - | | × | | + | | = | | | | 92 | | ? | | ? | | ? | | 138 | | | | + | | = | | = | | = | | | | | | ? | + | 35 | = | 58 | | 1...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 77 | | | | | | | | | | | | | | | | | | 97 | | 29 | | 36 | | | | | | | | | | | | | | | | | | 23 | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | step1 | | step1 | | | | | | | | | | | | | | | | | | step1 | | | ...
Across 2+75=77 23+35=58 21+115=136 Down 61+77=138 132-97=35 2×29=58 75+36=111 92+23=115
{ "step1": [ "2+75=77", "23+35=58", "21+115=136", "61+77=138", "132-97=35", "2×29=58", "75+36=111", "92+23=115" ] }
images_blank_noborder/math_puzzle_1909_blank_noborder.png
images_blank_hr/math_puzzle_1909_blank_hr.png
14
+-*/
easy
[ 3, 125 ]
| | | 119 | | | | | | | | | | | | - | | | | | | | | | | | | ? | + | 21 | = | 125 | | | | | | | | = | | | | | | | | | | | | 15 | + | 22 | = | ? | | | | | | | | | | + | | + | | | | | | | | ? | - | 31 | = | 35 | | ?...
| | | | | | | | | | | | | | | | | | | | | | | | | | | 104 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 37 | | | | | | | | | | | | | | | | | | | | 66 | | | | | | 115 | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | ...
Across 104+21=125 15+22=37 66-31=35 72÷4=18 3×39=117 113-5=108 Down 119-104=15 22+31=53 37+35=72 66-27=39 115-4=111 29+3=32 18×6=108 117÷13=9
{ "step1": [ "104+21=125", "15+22=37", "66-31=35", "72÷4=18", "3×39=117", "113-5=108", "119-104=15", "22+31=53", "37+35=72", "66-27=39", "115-4=111", "29+3=32", "18×6=108", "117÷13=9" ] }
images_blank_noborder/math_puzzle_1910_blank_noborder.png
images_blank_hr/math_puzzle_1910_blank_hr.png
9
+-*/
easy
[ 5, 94 ]
| | | | | 89 | - | ? | = | 46 | | | | | | | | | | - | | | | + | | | | | | ? | | | | ? | ÷ | 6 | = | 10 | | | | | | × | | | | = | | + | | = | | | | | | 9 | + | ? | = | 29 | | ? | | ? | - | 11 | = | 45 | | = | | | | | | = | | | | ...
| | | | | | | 43 | | | | | | | | | | | | | | | | | | | | | | 8 | | | | 60 | | | | | | | | | | | | | | | | | | | | | | | | | | 20 | | | | 64 | | 56 | | | | | | | | | | | | | | | | |...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | step1 | | step1 | | | | | | | | | | | | ...
Across 89-43=46 60÷6=10 9+20=29 56-11=45 88-70=18 Down 89-60=29 46+10=56 8×9=72 6+64=70
{ "step1": [ "89-43=46", "60÷6=10", "9+20=29", "56-11=45", "88-70=18", "89-60=29", "46+10=56", "8×9=72", "6+64=70" ] }
images_blank_noborder/math_puzzle_1911_blank_noborder.png
images_blank_hr/math_puzzle_1911_blank_hr.png
6
+-*/
medium
[ 1, 124 ]
| | | | | 18 | | | | | | | | + | | | | | | | | ? | | | | | | | | = | | | | | | ? | - | 58 | = | 33 | | | | ÷ | | | | + | | ? | ÷ | 7 | = | 12 | | 77 | | | | = | | | | = | | ? | - | 13 | = | 41 | | ? |
| | | | | | | | | | | | | | | | | | | | | 40 | | | | | | | | | | | | | | 91 | | | | | | | | | | | | | | 84 | | | | | | | | | | | | | | | | 54 | | | | | | 110 |
| | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | step1 |
Across 91-58=33 84÷7=12 54-13=41 Down 18+40=58 91÷7=13 33+77=110
{ "step1": [ "91-58=33", "84÷7=12", "54-13=41", "18+40=58", "91÷7=13", "33+77=110" ] }
images_blank_noborder/math_puzzle_1912_blank_noborder.png
images_blank_hr/math_puzzle_1912_blank_hr.png
15
+-*/
medium
[ 3, 207 ]
| | | ? | | | | 38 | | | | | | | | | | ÷ | | | | + | | | | | | | | 114 | - | 4 | = | ? | | 14 | | | | | | | | + | | = | | - | | = | | | | | | | | 86 | | 17 | | 3 | × | ? | = | 156 | | | | | | = | | | | = | | | | - | | ...
| | | 68 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 110 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 52 | | | | | | | | | | | | | | | | | | | ...
| | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | ...
Across 114-4=110 3×52=156 107+33=140 162-92=70 16+34=50 154-51=103 Down 68÷4=17 38+14=52 114+86=200 110-3=107 156-140=16 33+70=103 25+50=75 34-11=23 51+95=146
{ "step1": [ "114-4=110", "3×52=156", "162-92=70", "16+34=50", "154-51=103", "68÷4=17", "38+14=52", "114+86=200", "156-140=16", "33+70=103", "34-11=23", "51+95=146" ], "step2": [ "107+33=140", "110-3=107", "25+50=75" ] }
images_blank_noborder/math_puzzle_1913_blank_noborder.png
images_blank_hr/math_puzzle_1913_blank_hr.png
9
+-*/
hard
[ 2, 151 ]
| | | | | | | | | 33 | | | | | | | | | | | | | | + | | | | | | | | | | | | | | ? | | | | | | | | | | | | | | = | | | | | | | | | | ? | | 5 | + | 78 | = | ? | | | | | | | | + | | × | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 45 | | | | | | | | | | | | | | | | | | | | | | | | 104 | | | | | | 83 | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step3 | | | | | | step1 | | | | | | | | | | | | | ...
Across 5+78=83 52+28=80 72-70=2 17-14=3 Down 33+45=78 104÷52=2 5×28=140 80-63=17 70+60=130
{ "step1": [ "5+78=83", "72-70=2", "17-14=3", "33+45=78", "5×28=140", "80-63=17", "70+60=130" ], "step2": [ "52+28=80" ], "step3": [ "104÷52=2" ] }
images_blank_noborder/math_puzzle_1914_blank_noborder.png
images_blank_hr/math_puzzle_1914_blank_hr.png
12
+-*/
easy
[ 5, 248 ]
| 189 | | | | ? | | | | | | - | | | | + | | | | | | 42 | | | | 43 | | ? | | | | = | | | | = | | - | | | | ? | - | 11 | = | 136 | | 5 | | | | | | + | | | | = | | | | 119 | | 59 | + | ? | = | 204 | | | | + | | = | | | | | | | | 63...
| | | | | 93 | | | | | | | | | | | | | | | | | | | | | | 209 | | | | | | | | | | | | | | 147 | | | | | | | | | | | | | | | | | | | | | | | | 145 | | | | | | | | | | | | | | | | | |...
| | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | ...
Across 147-11=136 59+145=204 63+70=133 80÷8=10 35+213=248 Down 189-42=147 93+43=136 209-5=204 11+59=70 119+63=182 133+80=213 35×6=210
{ "step1": [ "147-11=136", "59+145=204", "63+70=133", "80÷8=10", "35+213=248", "189-42=147", "93+43=136", "209-5=204", "11+59=70", "119+63=182", "133+80=213", "35×6=210" ] }
images_blank_noborder/math_puzzle_1915_blank_noborder.png
images_blank_hr/math_puzzle_1915_blank_hr.png
12
+-*/
medium
[ 3, 223 ]
| | | | | | | | | 33 | + | ? | = | 205 | | | | | | | | | | | | - | | | | | | | | | | | | ? | - | 21 | = | 160 | | | | | | | | | | | | = | | | | | | 22 | × | 8 | = | ? | | ? | + | 151 | = | ? | | | | | | | | ÷ | | × | |...
| | | | | | | | | | | 172 | | | | | | | | | | | | | | | | | | | | | | | | | | 181 | | | | | | | | | | | | | | | | | | | | | | | | | | 176 | | 29 | | | | 180 | | | | | | | | | | | |...
| | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | step1 | | | | | | | | | ...
Across 33+172=205 181-21=160 22×8=176 29+151=180 77÷11=7 35+28=63 140+53=193 Down 172-21=151 176÷11=16 29×7=203 180+17=197 77+63=140
{ "step1": [ "33+172=205", "181-21=160", "22×8=176", "35+28=63", "140+53=193", "172-21=151", "180+17=197", "77+63=140" ], "step2": [ "29+151=180", "77÷11=7", "176÷11=16" ], "step3": [ "29×7=203" ] }
images_blank_noborder/math_puzzle_1916_blank_noborder.png
images_blank_hr/math_puzzle_1916_blank_hr.png
14
+-*/
medium
[ 3, 165 ]
| 22 | + | ? | = | 79 | | | | | | ? | | | | | | × | | + | | - | | | | | | - | | | | | | 4 | | 51 | | 10 | | ? | - | 52 | = | 83 | | | | | | = | | = | | = | | | | × | | = | | | | | | ? | | 108 | | ? | ÷ | 23 | = | 3 | | 53 | - | ? | = | 5 | ...
| | | 57 | | | | | | | | 136 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 135 | | | | | | | | | | | | | | | | | | | | | | | | | | 88 | | | | 69 | | | | | | | | 48 | | | | ...
| | | step1 | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | step1 | | | | | | | | st...
Across 22+57=79 135-52=83 69÷23=3 53-48=5 31-25=6 156-42=114 89-17=72 Down 22×4=88 57+51=108 79-10=69 136-83=53 52×3=156 23-6=17 31+36=67
{ "step1": [ "22+57=79", "135-52=83", "69÷23=3", "53-48=5", "31-25=6", "22×4=88", "57+51=108", "79-10=69", "136-83=53", "52×3=156", "23-6=17", "31+36=67" ], "step2": [ "156-42=114", "89-17=72" ] }
images_blank_noborder/math_puzzle_1917_blank_noborder.png
images_blank_hr/math_puzzle_1917_blank_hr.png
7
+-*/
medium
[ 2, 197 ]
| 102 | | ? | | | | | | + | | ÷ | | | | | | ? | ÷ | 4 | = | 19 | | | | = | | = | | - | | | | 178 | | 12 | × | 3 | = | ? | | | | | | = | | | | | | ? | + | ? | = | 114 | | | | | | | | + | | | | | | | | 7 | | | | | | | | = | | | | ...
| | | 48 | | | | | | | | | | | | | | 76 | | | | | | | | | | | | | | | | | | | | | | 36 | | | | | | | | | | | | 98 | | 16 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
| | | step1 | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 76÷4=19 12×3=36 98+16=114 Down 102+76=178 48÷4=12 19-3=16 114+7=121
{ "step1": [ "76÷4=19", "12×3=36", "102+76=178", "48÷4=12", "19-3=16", "114+7=121" ], "step2": [ "98+16=114" ] }
images_blank_noborder/math_puzzle_1918_blank_noborder.png
images_blank_hr/math_puzzle_1918_blank_hr.png
13
+-*/
easy
[ 2, 105 ]
| | | 100 | + | 20 | = | ? | | | | | | | | | | | | - | | | | | | | | | | | | | | | | ? | | | | | | | | | | | | | | | | = | | | | | | | | | | | | | | | | 89 | + | ? | = | 104 | | | | | | | | | | ...
| | | | | | | 5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 11 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 15 | | | | | | | | | | | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | ...
Across 100÷20=5 89+15=104 35-32=3 74÷2=37 18+30=48 62+9=71 96÷4=24 6+97=103 Down 100-11=89 15+3=18 2×48=96 30+67=97 9+24=33
{ "step1": [ "100÷20=5", "89+15=104", "35-32=3", "74÷2=37", "18+30=48", "62+9=71", "96÷4=24", "6+97=103", "100-11=89", "15+3=18", "2×48=96", "30+67=97", "9+24=33" ] }
images_blank_noborder/math_puzzle_1919_blank_noborder.png
images_blank_hr/math_puzzle_1919_blank_hr.png
10
+-*/
easy
[ 3, 227 ]
| | | | | | | | | ? | ÷ | 5 | = | 41 | | | | | | | | | | - | | | | | | ? | + | 79 | = | 88 | | ? | + | 61 | = | 84 | | | | | | | | + | | | | = | | | | | | | | | | 48 | + | ? | = | 144 | | | | | | | | | | = | | + | | | | ...
| | | | | | | | | 205 | | | | | | | | | | | | | | | | | | | | 9 | | | | | | 23 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 96 | | | | | | | | | | | | | | | | | | | ...
| | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | ...
Across 205÷5=41 9+79=88 23+61=84 48+96=144 32-17=15 50+128=178 Down 205-61=144 88+48=136 96+32=128 15+74=89
{ "step1": [ "205÷5=41", "9+79=88", "23+61=84", "48+96=144", "32-17=15", "50+128=178", "205-61=144", "88+48=136", "96+32=128", "15+74=89" ] }
images_blank_noborder/math_puzzle_1920_blank_noborder.png
images_blank_hr/math_puzzle_1920_blank_hr.png
8
+-*/
easy
[ 3, 72 ]
| ? | + | 64 | = | 69 | | ? | × | 7 | = | 56 | | | | - | | | | + | | | | | | | | ? | | | | 3 | + | ? | = | 18 | | | | = | | | | = | | | | | | | | 44 | ÷ | ? | = | 11 | | | | | | | | | | + | | | | | | | | | | | | 10 | | | | |...
| 5 | | | | | | 8 | | | | | | | | | | | | | | | | | | | | 20 | | | | | | 15 | | | | | | | | | | | | | | | | | | | | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
| step1 | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 5+64=69 8×7=56 3+15=18 44÷4=11 29+14=43 Down 64-20=44 8+3=11 4+10=14
{ "step1": [ "5+64=69", "8×7=56", "3+15=18", "44÷4=11", "29+14=43", "64-20=44", "8+3=11", "4+10=14" ] }
images_blank_noborder/math_puzzle_1921_blank_noborder.png
images_blank_hr/math_puzzle_1921_blank_hr.png
11
+-*/
medium
[ 3, 93 ]
| | | | | | | | | | | 19 | + | 26 | = | ? | | | | | | | | | | | | + | | | | | | | | | | | | ? | | ? | × | 3 | = | ? | | | | | | | | | | + | | + | | = | | + | | | | | | ? | | | | 4 | | 49 | | ? | | 31 | | | | | ...
| | | | | | | | | | | | | | | 45 | | | | | | | | | | | | | | | | | | | | | | | | 9 | | 12 | | | | 36 | | | | | | | | | | | | | | | | | | | | | | 79 | | | | | | | | 22 | | | | | | |...
| | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | ...
Across 19+26=45 12×3=36 48+13=61 77-69=8 11×6=66 Down 19+3=22 9+4=13 12+49=61 36+31=67 79-10=69 48÷8=6
{ "step1": [ "19+26=45", "48+13=61", "77-69=8", "11×6=66", "19+3=22", "9+4=13", "36+31=67", "79-10=69", "48÷8=6" ], "step2": [ "12×3=36", "12+49=61" ] }
images_blank_noborder/math_puzzle_1922_blank_noborder.png
images_blank_hr/math_puzzle_1922_blank_hr.png
6
+-*/
hard
[ 3, 241 ]
| | | | | ? | - | 4 | = | 62 | | | | | | | | × | | | | ? | - | 74 | = | ? | | ? | | | | | | | | - | | = | | | | | | ? | - | 91 | = | ? | | | | | | - | | = | | | | | | | | 30 | | 67 | | | | | | | | = | | | | | | | | | | 9...
| | | | | 66 | | | | | | | | | | | | | | | | 232 | | | | 158 | | 8 | | | | | | | | | | | | | | | | 123 | | | | 32 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
| | | | | step1 | | | | | | | | | | | | | | | | step2 | | | | step1 | | step3 | | | | | | | | | | | | | | | | step1 | | | | step2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 66-4=62 232-74=158 123-91=32 Down 4×8=32 158-91=67 123-30=93
{ "step1": [ "66-4=62", "158-91=67", "123-30=93" ], "step2": [ "232-74=158", "123-91=32" ], "step3": [ "4×8=32" ] }
images_blank_noborder/math_puzzle_1923_blank_noborder.png
images_blank_hr/math_puzzle_1923_blank_hr.png
8
+-*/
medium
[ 1, 172 ]
| | | | | ? | | | | 27 | | | | | | | | + | | | | × | | | | 11 | + | 10 | = | ? | | | | 3 | | | | | | | | = | | | | = | | | | | | | | 22 | + | 59 | = | ? | | | | | | | | | | - | | | | | | | | ? | | | | 7 | + | 142 |...
| | | | | 1 | | | | | | | | | | | | | | | | | | | | | | | | 21 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 81 | | | | | | | | | | | | | | | | | | 112 | | | | | | | ...
| | | | | step2 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | ...
Across 11+10=21 22+59=81 7+142=149 4×13=52 Down 1+21=22 27×3=81 59-7=52 112÷4=28
{ "step1": [ "11+10=21", "22+59=81", "7+142=149", "4×13=52", "27×3=81", "59-7=52", "112÷4=28" ], "step2": [ "1+21=22" ] }
images_blank_noborder/math_puzzle_1924_blank_noborder.png
images_blank_hr/math_puzzle_1924_blank_hr.png
12
+-*/
easy
[ 4, 84 ]
| 21 | + | 20 | = | ? | | | | | | | | | | | | | | | | - | | | | | | | | | | | | | | | | 14 | + | 32 | = | ? | | ? | ÷ | 5 | = | 10 | | | | | | = | | | | | | - | | | | | | | | 18 | + | 27 | = | ? | | 4 | | 15 | | | | | | ...
| | | | | 41 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 46 | | 50 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 45 | | | | | | | | | | | ...
| | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | ...
Across 21+20=41 14+32=46 50÷5=10 18+27=45 16+19=35 17+12=29 76-11=65 Down 41-14=27 50-15=35 45-16=29 4×19=76 7×12=84
{ "step1": [ "21+20=41", "14+32=46", "50÷5=10", "18+27=45", "16+19=35", "17+12=29", "76-11=65", "41-14=27", "50-15=35", "45-16=29", "4×19=76", "7×12=84" ] }
images_blank_noborder/math_puzzle_1925_blank_noborder.png
images_blank_hr/math_puzzle_1925_blank_hr.png
10
+-*/
medium
[ 3, 70 ]
| | | | | | | | | | | ? | | | | | | | | | | | | | | | | - | | | | | | | | | | | | | | | | 19 | + | 23 | = | ? | | | | | | | | | | | | = | | | | | | | | 6 | | | | ? | ÷ | ? | = | 9 | | | | | | | ...
| | | | | | | | | | | 28 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 42 | | | | | | | | | | | | | | | | | | | | | | | | 36 | | 4 | | | | | | | | | ...
| | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | | ...
Across 19+23=42 36÷4=9 5+8=13 32+12=44 45+21=66 Down 28-19=9 6×8=48 36-24=12 4×11=44 13+32=45
{ "step1": [ "19+23=42", "5+8=13", "45+21=66", "28-19=9", "6×8=48", "36-24=12" ], "step2": [ "36÷4=9", "13+32=45" ], "step3": [ "32+12=44", "4×11=44" ] }
images_blank_noborder/math_puzzle_1926_blank_noborder.png
images_blank_hr/math_puzzle_1926_blank_hr.png
12
+-*/
easy
[ 2, 208 ]
| | | | | 95 | - | 42 | = | ? | | | | | | + | | | | | | | | | | 86 | | | | ? | | | | | | = | | | | × | | | | 153 | | ? | - | 158 | = | 23 | | | | - | | | | - | | = | | 191 | - | ? | = | 125 | | 129 | | 161 | | - | | = | | | | = | | | ...
| | | | | | | | | 53 | | | | | | | | | | | | | | | | | | | | 7 | | | | | | | | | | | | | | | | 181 | | | | | | | | | | | | | | | | | | 66 | | | | | | | | | | | | | | | | | | 13 | | ...
| | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | ...
Across 95-42=53 181-158=23 191-66=125 87÷3=29 2×51=102 139-85=54 Down 95+86=181 7×23=161 153-66=87 158-129=29 191-13=178 3+51=54
{ "step1": [ "95-42=53", "181-158=23", "191-66=125", "87÷3=29", "2×51=102", "139-85=54", "95+86=181", "7×23=161", "153-66=87", "158-129=29", "191-13=178", "3+51=54" ] }
images_blank_noborder/math_puzzle_1927_blank_noborder.png
images_blank_hr/math_puzzle_1927_blank_hr.png
13
+-*/
hard
[ 2, 96 ]
| 49 | | | | | | | | | | | | | | | | + | | | | | | | | | | | | | | | | ? | | | | | | | | | | 12 | | 4 | | | | = | | | | | | | | | | + | | × | | | | ? | - | 72 | = | 8 | | | | | | ? | | 14 | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 31 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 80 | | | | | | | | | | 25 | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | step3 | | | | ...
Across 80-72=8 41+2=43 19+37=56 51÷3=17 36-13=23 78-16=62 Down 49+31=80 12+25=37 4×14=56 8+43=51 15×3=45 19+17=36 6×13=78
{ "step1": [ "80-72=8", "51÷3=17", "78-16=62", "4×14=56", "15×3=45", "19+17=36" ], "step2": [ "19+37=56", "36-13=23", "49+31=80", "8+43=51", "6×13=78" ], "step3": [ "41+2=43", "12+25=37" ] }
images_blank_noborder/math_puzzle_1928_blank_noborder.png
images_blank_hr/math_puzzle_1928_blank_hr.png
10
+-*/
easy
[ 3, 55 ]
| | | 7 | + | ? | = | 53 | | | | | | | | - | | | | | | ? | - | 8 | = | 41 | | 38 | | | | | | × | | = | | - | | | | 30 | ÷ | ? | = | 5 | | 26 | | | | - | | = | | | | = | | | | 20 | | 48 | ÷ | 4 | = | ? | | | | = | | | | + | | | | | | ? | |...
| | | | | 46 | | | | | | | | | | | | | | | | 49 | | | | | | | | | | | | | | | | | | | | | | 6 | | | | | | | | | | | | | | | | | | | | | | | | 12 | | | | | | | | | | | | | | 10 | | ...
| | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | ...
Across 7+46=53 49-8=41 30÷6=5 48÷4=12 32+15=47 Down 46-41=5 8×6=48 38-26=12 30-20=10 4+28=32
{ "step1": [ "7+46=53", "49-8=41", "30÷6=5", "48÷4=12", "32+15=47", "46-41=5", "8×6=48", "38-26=12", "30-20=10", "4+28=32" ] }
images_blank_noborder/math_puzzle_1929_blank_noborder.png
images_blank_hr/math_puzzle_1929_blank_hr.png
13
+-*/
easy
[ 2, 197 ]
| | | | | | | | | 66 | - | 51 | = | ? | | | | | | | | | | + | | | | | | | | 10 | × | 16 | = | ? | | 53 | - | ? | = | 7 | | | | | | | | - | | = | | | | | | 117 | | 71 | | 43 | + | 76 | = | ? | | | | | | - | | + | | - | | = | | | ...
| | | | | | | | | | | | | 15 | | | | | | | | | | | | | | | | | | | | | | 160 | | | | 46 | | | | | | | | | | | | | | | | | | | | | | | | | | 119 | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | ...
Across 66-51=15 10×16=160 53-46=7 43+76=119 104-92=12 31×4=124 Down 66+53=119 160-76=84 117-104=13 71+92=163 43-12=31 4-3=1 124÷2=62
{ "step1": [ "66-51=15", "10×16=160", "53-46=7", "43+76=119", "104-92=12", "31×4=124", "66+53=119", "160-76=84", "117-104=13", "71+92=163", "43-12=31", "4-3=1", "124÷2=62" ] }
images_blank_noborder/math_puzzle_1930_blank_noborder.png
images_blank_hr/math_puzzle_1930_blank_hr.png
6
+-*/
easy
[ 3, 88 ]
| | | | | ? | | | | | | + | | 27 | | | | 8 | | + | | | | = | | 23 | + | ? | = | 38 | | = | | × | | | | ? | ÷ | 5 | = | 10 | | | | = | | | | 87 | - | 75 | = | ? |
| | | | | 30 | | | | | | | | | | | | | | | | | | | | | | 15 | | | | | | | | | | 50 | | | | | | | | | | | | | | | | 12 |
| | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 |
Across 23+15=38 50÷5=10 87-75=12 Down 30+8=38 27+23=50 15×5=75
{ "step1": [ "23+15=38", "50÷5=10", "87-75=12", "30+8=38", "27+23=50", "15×5=75" ] }
images_blank_noborder/math_puzzle_1931_blank_noborder.png
images_blank_hr/math_puzzle_1931_blank_hr.png
9
+-*/
medium
[ 4, 75 ]
| | | ? | - | 38 | = | 29 | | 72 | - | 27 | = | ? | | | | | | + | | | | - | | | | | | | | ? | | ? | × | 14 | = | ? | | | | | | | | ÷ | | = | | × | | = | | | | | | 35 | + | 7 | = | ? | | 5 | | 16 | ÷ | 2 | = | ? | | | | = | | | | = | | | | ...
| | | 67 | | | | | | | | | | 45 | | | | | | | | | | | | | | | | | | 63 | | 4 | | | | 56 | | | | | | | | | | | | | | | | | | | | | | | | 42 | | | | | | | | 8 | | | | | | | | | | | | |...
| | | step1 | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | ...
Across 67-38=29 72-27=45 4×14=56 35+7=42 16÷2=8 Down 38+4=42 72-56=16 63÷7=9 14×5=70
{ "step1": [ "67-38=29", "72-27=45", "35+7=42", "16÷2=8", "72-56=16", "63÷7=9", "14×5=70" ], "step2": [ "4×14=56", "38+4=42" ] }
images_blank_noborder/math_puzzle_1932_blank_noborder.png
images_blank_hr/math_puzzle_1932_blank_hr.png
10
+-*/
medium
[ 1, 79 ]
| | | 76 | | | | | | | | | | | | | | | | ÷ | | | | | | | | | | | | | | | | 1 | | | | | | | | | | | | | | | | = | | | | | | | | | | | | | | | | ? | - | ? | = | 21 | | 61 | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 76 | | 55 | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | | | | | | | | | ...
Across 76-55=21 12×4=48 77-10=67 13-5=8 44+9=53 Down 76÷1=76 55+12=67 61-48=13 4+71=75 72÷8=9
{ "step1": [ "12×4=48", "77-10=67", "13-5=8", "76÷1=76", "61-48=13", "4+71=75" ], "step2": [ "76-55=21", "55+12=67", "72÷8=9" ], "step3": [ "44+9=53" ] }
images_blank_noborder/math_puzzle_1933_blank_noborder.png
images_blank_hr/math_puzzle_1933_blank_hr.png
12
+-*/
medium
[ 3, 227 ]
| 28 | | | | | | 23 | | | | × | | | | | | + | | | | 4 | × | 24 | = | ? | | ? | | ? | | = | | | | - | | = | | + | | ? | | ? | + | 3 | = | ? | | 81 | | | | ÷ | | = | | | | = | | | | 13 | | 93 | + | 83 | = | ? | | | | = | | | | | | | | | |...
| | | | | | | | | | | | | | | | | | | | | | | | | 96 | | 29 | | 95 | | | | | | | | | | | | 112 | | 156 | | | | 52 | | | | | | | | | | | | | | | | | | | | | | 176 | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step3 | | step2 | | | | | | | | | | | | step1 | | step1 | | | | step2 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | ...
Across 4×24=96 156÷3=52 93+83=176 12×5=60 8+22=30 Down 28×4=112 23+29=52 96-3=93 95+81=176 156÷13=12 5×30=150 60-14=46
{ "step1": [ "4×24=96", "93+83=176", "12×5=60", "8+22=30", "28×4=112", "96-3=93", "156÷13=12", "5×30=150", "60-14=46" ], "step2": [ "156÷3=52", "95+81=176" ], "step3": [ "23+29=52" ] }
images_blank_noborder/math_puzzle_1934_blank_noborder.png
images_blank_hr/math_puzzle_1934_blank_hr.png
7
+-*/
hard
[ 1, 90 ]
| | | | | | | ? | | | | | | | | | | - | | | | | | | | | | 6 | | | | | | | | | | = | | | | | | | | 34 | + | 18 | = | ? | | | | | | × | | | | | | ? | ÷ | ? | = | 2 | | | | | | + | | + | | = | | | | | | 27 | | 49 ...
| | | | | | | 24 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 52 | | | | | | | | | | | | 26 | | 13 | | | | | | | | | | | | | | | | | | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | step1 | | step2 | | | | | | | | | | | | | | | | | ...
Across 34+18=52 26÷13=2 62+1=63 Down 24-6=18 34×2=68 26+27=53 13+49=62
{ "step1": [ "34+18=52", "24-6=18", "34×2=68", "26+27=53" ], "step2": [ "26÷13=2" ], "step3": [ "13+49=62" ], "step4": [ "62+1=63" ] }
images_blank_noborder/math_puzzle_1935_blank_noborder.png
images_blank_hr/math_puzzle_1935_blank_hr.png
10
+-*/
medium
[ 4, 248 ]
| | | | | | | 242 | - | ? | = | ? | | | | | | | | | | - | | | | | | | | 230 | | 99 | + | 114 | = | ? | | | | | | - | | | | = | | | | ? | | | | ? | ÷ | 4 | = | 41 | | | | + | | | | = | | + | | | | | | ? | - | 5 | = | 66 | | 68 | | ...
| | | | | | | | | 155 | | 87 | | | | | | | | | | | | | | | | | | | | | | | | 213 | | | | | | | | | | | | | | 172 | | | | 164 | | | | | | | | | | | | | | | | | | | | 71 | | | | | | | | ...
| | | | | | | | | step1 | | step2 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | step2 | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | ...
Across 242-155=87 99+114=213 164÷4=41 71-5=66 12×6=72 Down 155-114=41 230-164=66 172+71=243 4+68=72 5×12=60
{ "step1": [ "99+114=213", "164÷4=41", "71-5=66", "12×6=72", "155-114=41", "230-164=66", "4+68=72", "5×12=60" ], "step2": [ "242-155=87", "172+71=243" ] }
images_blank_noborder/math_puzzle_1936_blank_noborder.png
images_blank_hr/math_puzzle_1936_blank_hr.png
10
+-*/
easy
[ 1, 147 ]
| | | | | | | ? | × | 2 | = | 50 | | | | | | | | + | | | | | | 123 | - | 23 | = | ? | | 4 | + | 45 | = | ? | | | | + | | | | = | | | | | | | | ? | ÷ | 3 | = | 29 | | | | | | | | = | | + | | | | | | | | | | 110 | | 117 | + | 13 | = |...
| | | | | | | 25 | | | | | | | | | | | | | | | | | | | | | | 100 | | | | | | 49 | | | | | | | | | | | | | | | | 87 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 130 |...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 25×2=50 123-23=100 4+45=49 87÷3=29 117+13=130 120+6=126 Down 25+4=29 23+87=110 3+117=120 6×17=102
{ "step1": [ "25×2=50", "123-23=100", "4+45=49", "87÷3=29", "117+13=130", "120+6=126", "25+4=29", "23+87=110", "3+117=120", "6×17=102" ] }
images_blank_noborder/math_puzzle_1937_blank_noborder.png
images_blank_hr/math_puzzle_1937_blank_hr.png
7
+-*/
easy
[ 3, 174 ]
| | | | | | | 99 | | | | | | | | | | | | + | | | | | | | | 21 | | | | ? | + | 136 | = | 156 | | | | × | | | | = | | | | | | | | ? | × | 17 | = | 119 | | | | | | | | = | | + | | | | | | | | | | 147 | | 148 | ÷ | 4 | =...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 20 | | | | | | | | | | | | | | | | | | | | 7 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 37 | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | st...
Across 20+136=156 7×17=119 148÷4=37 33×5=165 Down 99+20=119 21×7=147 17+148=165
{ "step1": [ "20+136=156", "7×17=119", "148÷4=37", "33×5=165", "99+20=119", "21×7=147", "17+148=165" ] }
images_blank_noborder/math_puzzle_1938_blank_noborder.png
images_blank_hr/math_puzzle_1938_blank_hr.png
10
+-*/
medium
[ 2, 208 ]
| | | | | | | | | 102 | | | | | | | | | | | | + | | | | | | 2 | | ? | - | 30 | = | ? | | | | | | × | | + | | + | | = | | | | 50 | + | ? | = | 108 | | 153 | | ? | | | | ÷ | | = | | = | | = | | | | | | 5 | | 116 | | 191 | | ? | ÷ ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 83 | | | | 53 | | | | | | | | | | | | | | | | | | 58 | | | | | | 155 | | | | | | | | | | | | | | | | | | | | | | 183 | | |...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | step2 | | | | | | | | | | | | | | | | | | step1 | | | | | | step3 | | | | | | | | | | | | | | | | | | | | | | st...
Across 83-30=53 50+58=108 183÷3=61 Down 102+53=155 2×58=116 83+108=191 30+153=183 50÷5=10 3+86=89 61×2=122
{ "step1": [ "50+58=108", "183÷3=61", "2×58=116", "83+108=191", "30+153=183", "50÷5=10", "3+86=89", "61×2=122" ], "step2": [ "83-30=53" ], "step3": [ "102+53=155" ] }
images_blank_noborder/math_puzzle_1939_blank_noborder.png
images_blank_hr/math_puzzle_1939_blank_hr.png
14
+-*/
easy
[ 1, 186 ]
| | | 54 | | | | | | | | | | | | | | + | | | | | | | | | | | | | | ? | | | | | | | | | | | | | | = | | | | | | | | | | | | ? | - | 140 | = | 27 | | 11 | + | ? | = | 14 | | | | | | | | + | | | | | | + ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 86 | | | | | | | | | | | | | | | | | | | | | | | | | | 167 | | | | | | | | 3 | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | | | | | | ...
Across 167-140=27 11+3=14 6+24=30 41+17=58 62÷2=31 4×23=92 43-18=25 182-26=156 Down 54+86=140 27+24=51 14+17=31 30+62=92 41+2=43 23+156=179
{ "step1": [ "167-140=27", "11+3=14", "6+24=30", "41+17=58", "62÷2=31", "4×23=92", "43-18=25", "182-26=156", "54+86=140", "27+24=51", "14+17=31", "30+62=92", "41+2=43", "23+156=179" ] }
images_blank_noborder/math_puzzle_1940_blank_noborder.png
images_blank_hr/math_puzzle_1940_blank_hr.png
6
+-*/
easy
[ 3, 142 ]
| | | | | | | | | 141 | | | | | | | | | | - | | 87 | - | ? | = | 45 | | | | 61 | | | | | | ÷ | | | | = | | | | | | 5 | × | 16 | = | ? | | | | | | = | | + | | | | | | | | ? | | 82 | | | | | | | | | | = | | | | | |...
| | | | | | | | | | | | | | | | | | | | | | | 42 | | | | | | | | | | | | | | | | | | | | | | | | | | 80 | | | | | | | | | | | | | | | | 9 | | | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | ...
Across 87-42=45 5×16=80 14×7=98 Down 141-61=80 45÷5=9 16+82=98
{ "step1": [ "87-42=45", "5×16=80", "14×7=98", "141-61=80", "45÷5=9", "16+82=98" ] }
images_blank_noborder/math_puzzle_1941_blank_noborder.png
images_blank_hr/math_puzzle_1941_blank_hr.png
14
+-*/
easy
[ 3, 194 ]
| 11 | | | | | | | | 27 | + | 16 | = | ? | | | | + | | | | | | | | | | + | | | | | | 136 | | | | 167 | + | ? | = | 180 | | 54 | + | 3 | = | ? | | = | | | | | | × | | | | = | | | | | | ? | - | 86 | = | 61 | | 7 | × | 10 | = | ? | | | | ...
| | | | | | | | | | | | | 43 | | | | | | | | | | | | | | | | | | | | | | | | | | 13 | | | | | | | | 18 | | | | | | | | | | | | | | | | | | 147 | | | | | | | | | | 70 | | | | | | ...
| | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | step1 | | ...
Across 27+16=43 167+13=180 54÷3=18 147-86=61 7×10=70 29+91=120 32+130=162 Down 11+136=147 16+54=70 13×7=91 61+29=90 10+120=130 32×4=128 162-52=110
{ "step1": [ "27+16=43", "167+13=180", "54÷3=18", "147-86=61", "7×10=70", "29+91=120", "32+130=162", "11+136=147", "16+54=70", "13×7=91", "61+29=90", "10+120=130", "32×4=128", "162-52=110" ] }
images_blank_noborder/math_puzzle_1942_blank_noborder.png
images_blank_hr/math_puzzle_1942_blank_hr.png
11
+-*/
hard
[ 4, 127 ]
| 12 | × | 6 | = | ? | | | | | | | | | | | | - | | | | | | | | | | | | 61 | | | | | | | | | | | | = | | | | | | | | | | ? | - | ? | = | 98 | | | | | | | | - | | | | - | | | | | | 15 | + | ? | = | ? | | 18 | × | 7 | =...
| | | | | 72 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 109 | | 11 | | | | | | | | | | | | | | | | | | | | | | 89 | | 104 | | | | |...
| | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step3 | | step2 | | | | | | | | | | | | | | | | | | | | | | step4 | | step5 | ...
Across 12×6=72 109-11=98 15+89=104 18×7=126 20×4=80 48+69=117 21+52=73 Down 72-61=11 109-89=20 98-18=80 4+69=73
{ "step1": [ "12×6=72", "18×7=126", "48+69=117", "98-18=80" ], "step2": [ "20×4=80", "72-61=11" ], "step3": [ "109-11=98", "4+69=73" ], "step4": [ "21+52=73", "109-89=20" ], "step5": [ "15+89=104" ] }
images_blank_noborder/math_puzzle_1943_blank_noborder.png
images_blank_hr/math_puzzle_1943_blank_hr.png
11
+-*/
medium
[ 5, 213 ]
| | | | | | | ? | ÷ | 5 | = | 22 | | | | | | | | | | - | | | | | | | | | | | | | | 66 | | | | | | | | | | | | | | = | | | | | | | | | | | | | | ? | + | ? | = | 161 | | | | | | | | | | | | - | | | ...
| | | | | | | 110 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 44 | | 117 | | | | | | | | | | | | | | | | |...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | ...
Across 110÷5=22 44+117=161 113-56=57 39+40=79 60+59=119 9×17=153 135+16=151 Down 110-66=44 117-57=60 113+40=153 56+79=135
{ "step1": [ "110÷5=22", "113-56=57", "39+40=79", "60+59=119", "135+16=151", "117-57=60", "56+79=135" ], "step2": [ "44+117=161", "110-66=44", "113+40=153" ], "step3": [ "9×17=153" ] }
images_blank_noborder/math_puzzle_1944_blank_noborder.png
images_blank_hr/math_puzzle_1944_blank_hr.png
5
+-*/
medium
[ 5, 227 ]
| 169 | | ? | + | ? | = | 172 | | - | | | | - | | | | 28 | | | | 122 | | | | = | | | | = | | | | ? | - | 99 | = | 42 | | | | | | - | | | | | | | | 19 | | | | | | | | = | | | | | | | | ? | | | | |
| | | 8 | | 164 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 141 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 80 | | | | |
| | | step2 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | |
Across 8+164=172 141-99=42 Down 169-28=141 164-122=42 99-19=80
{ "step1": [ "141-99=42", "169-28=141", "164-122=42", "99-19=80" ], "step2": [ "8+164=172" ] }
images_blank_noborder/math_puzzle_1945_blank_noborder.png
images_blank_hr/math_puzzle_1945_blank_hr.png
8
+-*/
easy
[ 2, 80 ]
| | | | | | | ? | - | 10 | = | 31 | | | | | | | | - | | | | | | ? | × | 4 | = | 56 | | 18 | + | ? | = | 33 | | | | | | - | | = | | | | | | | | 11 | + | ? | = | 23 | | | | | | | | × | | = | | | | | | | | | | 5 | | 44 | ÷ | 2 | = | ? ...
| | | | | | | 41 | | | | | | | | | | | | | | | | | | 14 | | | | | | | | 15 | | | | | | | | | | | | | | | | | | | | 12 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 22 | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 41-10=31 14×4=56 18+15=33 11+12=23 44÷2=22 Down 41-18=23 56-12=44 11×5=55
{ "step1": [ "41-10=31", "14×4=56", "18+15=33", "11+12=23", "44÷2=22", "41-18=23", "56-12=44", "11×5=55" ] }
images_blank_noborder/math_puzzle_1946_blank_noborder.png
images_blank_hr/math_puzzle_1946_blank_hr.png
6
+-*/
medium
[ 3, 176 ]
| 42 | | | | | | | | | | + | | | | | | | | | | 15 | | ? | + | ? | = | 129 | | | | = | | - | | | | | | | | ? | - | 24 | = | 33 | | | | | | | | = | | × | | | | | | | | 69 | | 4 | | | | | | | | | | = | | | | | | | |...
| | | | | | | | | | | | | | | | | | | | | | | 93 | | 36 | | | | | | | | | | | | | | | | 57 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |...
| | | | | | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 93+36=129 57-24=33 132÷6=22 Down 42+15=57 93-24=69 33×4=132
{ "step1": [ "57-24=33", "132÷6=22", "42+15=57", "93-24=69", "33×4=132" ], "step2": [ "93+36=129" ] }
images_blank_noborder/math_puzzle_1947_blank_noborder.png
images_blank_hr/math_puzzle_1947_blank_hr.png
13
+-*/
medium
[ 4, 108 ]
| | | 32 | - | 23 | = | ? | | | | | | | | | | | | + | | | | | | | | | | ? | ÷ | ? | = | 5 | | | | | | | | | | = | | | | | | | | | | 4 | × | 16 | = | ? | | | | | | | | + | | | | + | | | | 24 | + | ? | = | 100 | | 15 | + | 31 ...
| | | | | | | 9 | | | | | | | | | | | | | | | | | | | | | | 35 | | 7 | | | | | | | | | | | | | | | | | | | | | | | | | | 64 | | | | | | | | | | | | | | | | | | 76 | | | | | | | |...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step3 | | step2 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | ...
Across 32-23=9 35÷7=5 4×16=64 24+76=100 15+31=46 6+95=101 81-68=13 Down 9+7=16 4+100=104 64+31=95 6×13=78 101-12=89 68÷2=34
{ "step1": [ "32-23=9", "4×16=64", "24+76=100", "15+31=46", "6+95=101", "81-68=13", "4+100=104", "64+31=95", "6×13=78", "101-12=89", "68÷2=34" ], "step2": [ "9+7=16" ], "step3": [ "35÷7=5" ] }
images_blank_noborder/math_puzzle_1948_blank_noborder.png
images_blank_hr/math_puzzle_1948_blank_hr.png
13
+-*/
easy
[ 2, 181 ]
| | | | | ? | + | 36 | = | 82 | | | | | | | | | | | | - | | | | 12 | | | | ? | | | | 21 | | 3 | | × | | | | - | | | | = | | × | | ? | + | 7 | = | 11 | | 106 | - | ? | = | 45 | | = | | | | = | | ÷ | | | | = | | 48 | | | | 65 | × | ? | = | ...
| | | | | 46 | | | | | | | | | | | | | | | | | | | | | | | | 76 | | | | | | | | | | | | | | | | | | | | 4 | | | | | | | | 61 | | | | | | | | | | | | | | | | | | | | | | 2 | | | |...
| | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | st...
Across 46+36=82 4+7=11 106-61=45 65×2=130 78-25=53 115÷5=23 Down 82-21=61 12×4=48 76-11=65 3×45=135 106÷2=53 130-125=5 115+14=129
{ "step1": [ "46+36=82", "4+7=11", "106-61=45", "65×2=130", "78-25=53", "115÷5=23", "82-21=61", "12×4=48", "76-11=65", "3×45=135", "106÷2=53", "130-125=5", "115+14=129" ] }
images_blank_noborder/math_puzzle_1949_blank_noborder.png
images_blank_hr/math_puzzle_1949_blank_hr.png
6
+-*/
hard
[ 2, 177 ]
| 6 | × | ? | = | 150 | | ? | | | | | | | | | | ÷ | | ÷ | | | | | | | | | | ? | - | 28 | = | ? | | | | | | | | = | | = | | + | | | | | | | | ? | | 5 | | 88 | | | | | | | | | | | | = | | | | | | | | | | 65 | + | ? | =...
| | | 25 | | | | 140 | | | | | | | | | | | | | | | | | | | | | | 50 | | | | 22 | | | | | | | | | | | | | | | | | | | | 3 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 110 |...
| | | step1 | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step3 | | | | step2 | | | | | | | | | | | | | | | | | | | | step4 | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 6×25=150 50-28=22 65+110=175 Down 150÷50=3 140÷28=5 22+88=110
{ "step1": [ "6×25=150", "65+110=175", "140÷28=5" ], "step2": [ "22+88=110" ], "step3": [ "50-28=22" ], "step4": [ "150÷50=3" ] }
images_blank_noborder/math_puzzle_1950_blank_noborder.png
images_blank_hr/math_puzzle_1950_blank_hr.png
6
+-*/
medium
[ 3, 85 ]
| | | | | 69 | + | 10 | = | ? | | | | | | - | | | | | | ? | | ? | | 15 | | | | | | ÷ | | - | | = | | | | | | 3 | × | 18 | = | ? | | | | | | = | | = | | | | | | | | 27 | | 65 | - | 29 | = | ? | | |
| | | | | | | | | 79 | | | | | | | | | | | | 81 | | 83 | | | | | | | | | | | | | | | | | | | | | | 54 | | | | | | | | | | | | | | | | | | | | | | 36 | | |
| | | | | | | | | step1 | | | | | | | | | | | | step1 | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | |
Across 69+10=79 3×18=54 65-29=36 Down 69-15=54 81÷3=27 83-18=65
{ "step1": [ "69+10=79", "3×18=54", "65-29=36", "69-15=54", "81÷3=27", "83-18=65" ] }
images_blank_noborder/math_puzzle_1951_blank_noborder.png
images_blank_hr/math_puzzle_1951_blank_hr.png
5
+-*/
hard
[ 4, 121 ]
| 14 | + | ? | = | 56 | | 48 | | | | | | | | + | | + | | | | | | | | ? | + | 41 | = | ? | | | | | | = | | = | | ÷ | | | | | | ? | | ? | | 7 | | | | | | | | | | = | | | | | | | | | | 9 |
| | | 42 | | | | | | | | | | | | | | | | | | | | | | 22 | | | | 63 | | | | | | | | | | | | | | | | 78 | | 89 | | | | | | | | | | | | | | | | | | | | | | |
| | | step1 | | | | | | | | | | | | | | | | | | | | | | step2 | | | | step1 | | | | | | | | | | | | | | | | step3 | | step1 | | | | | | | | | | | | | | | | | | | | | | |
Across 14+42=56 22+41=63 Down 56+22=78 48+41=89 63÷7=9
{ "step1": [ "14+42=56", "48+41=89", "63÷7=9" ], "step2": [ "22+41=63" ], "step3": [ "56+22=78" ] }
images_blank_noborder/math_puzzle_1952_blank_noborder.png
images_blank_hr/math_puzzle_1952_blank_hr.png
6
+-*/
hard
[ 5, 196 ]
| | | | | 10 | | ? | | | | | | | | × | | - | | | | ? | | | | 13 | × | 12 | = | ? | | ÷ | | | | = | | = | | | | 5 | × | ? | = | ? | | 52 | | | | = | | + | | | | | | | | 35 | | 22 | | | | | | | | | | = | | | | | | | | | | ...
| | | | | | | 64 | | | | | | | | | | | | | | 175 | | | | | | | | 156 | | | | | | | | | | | | | | 26 | | 130 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 13×12=156 5×26=130 Down 10×13=130 64-12=52 175÷5=35 26+22=48
{ "step1": [ "13×12=156", "10×13=130", "64-12=52", "175÷5=35" ], "step2": [ "5×26=130" ], "step3": [ "26+22=48" ] }
images_blank_noborder/math_puzzle_1953_blank_noborder.png
images_blank_hr/math_puzzle_1953_blank_hr.png
6
+-*/
medium
[ 1, 73 ]
| | | | | | | ? | | | | | | | | | | - | | | | | | | | ? | | 21 | | | | | | | | ÷ | | = | | | | | | | | 2 | × | 24 | = | ? | | | | | | = | | | | + | | ? | + | 6 | = | ? | | | | 17 | | × | | | | | | | | = | | 3 | | |...
| | | | | | | 45 | | | | | | | | | | | | | | | | | | 52 | | | | | | | | | | | | | | | | | | | | | | | | 48 | | | | | | | | | | | | 20 | | | | 26 | | | | | | | | | | | | | | | | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | step3 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | step1 | | | | step2 | | | | | | | | | | | | | | ...
Across 2×24=48 20+6=26 Down 45-21=24 52÷2=26 48+17=65 20×3=60
{ "step1": [ "2×24=48", "45-21=24", "48+17=65", "20×3=60" ], "step2": [ "20+6=26" ], "step3": [ "52÷2=26" ] }
images_blank_noborder/math_puzzle_1954_blank_noborder.png
images_blank_hr/math_puzzle_1954_blank_hr.png
14
+-*/
hard
[ 5, 178 ]
| 22 | + | ? | = | 177 | | ? | | | | | | | | - | | | | - | | + | | | | | | | | ? | | | | 6 | | 14 | | | | | | | | = | | | | = | | = | | | | | | | | 9 | | | | ? | - | 42 | = | ? | | 146 | | | | | | | | | | | | - | | +...
| | | 155 | | | | 28 | | | | | | | | | | | | | | | | | | | | | | 13 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 171 | | | | 129 | | | | | | | | | | | | | | | | ...
| | | step1 | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | step2 | | | | | | | | | | | | | ...
Across 22+155=177 171-42=129 24-5=19 7×15=105 11+10=21 62+8=70 Down 22-13=9 177-6=171 28+14=42 129-24=105 146+5=151 77÷7=11 150÷15=10 21+70=91
{ "step1": [ "22+155=177", "24-5=19", "62+8=70", "22-13=9", "177-6=171", "28+14=42", "146+5=151", "21+70=91" ], "step2": [ "171-42=129", "11+10=21" ], "step3": [ "129-24=105", "150÷15=10" ], "step4": [ "7×15=105" ], "step5": [ "77÷7=11" ] }
images_blank_noborder/math_puzzle_1955_blank_noborder.png
images_blank_hr/math_puzzle_1955_blank_hr.png
14
+-*/
medium
[ 4, 236 ]
| | | | | | | | | 194 | | | | | | | | | | | | | | + | | | | | | | | | | | | | | 17 | + | ? | = | 213 | | | | | | | | | | = | | - | | | | 55 | + | 146 | = | ? | | 180 | | ? | - | ? | = | 103 | | | | | | - | | - | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 196 | | | | | | | | | | | | | | | | | | | | | | 201 | | | | 211 | | 108 | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | step1 | | step2 | | | | | | | | | | | | ...
Across 17+196=213 55+146=201 211-108=103 148-60=88 209-177=32 5×19=95 8+167=175 Down 194+17=211 196-108=88 201-24=177 180-148=32 103-74=29 60+107=167 209÷19=11
{ "step1": [ "17+196=213", "55+146=201", "148-60=88", "8+167=175", "194+17=211", "201-24=177", "103-74=29", "60+107=167" ], "step2": [ "211-108=103", "196-108=88", "180-148=32" ], "step3": [ "209-177=32" ], "step4": [ "209÷19=11" ], "step5": [ "5...
images_blank_noborder/math_puzzle_1956_blank_noborder.png
images_blank_hr/math_puzzle_1956_blank_hr.png
5
+-*/
easy
[ 4, 80 ]
| | | | | 70 | | | | | | | | | | - | | | | | | 80 | | | | ? | - | 7 | = | 5 | | ÷ | | | | = | | | | | | ? | + | 38 | = | 58 | | | | | | = | | + | | | | | | | | 4 | | ? | | | | | | | | | | = | | | | | | | | | | 60...
| | | | | | | | | | | | | | | | | | | | | | | | | 12 | | | | | | | | | | | | | | | | 20 | | | | | | | | | | | | | | | | | | | | | | 22 | | | | | | | | | | | | | | | | | | | | |...
| | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | ...
Across 12-7=5 20+38=58 Down 70-12=58 80÷20=4 38+22=60
{ "step1": [ "12-7=5", "20+38=58", "70-12=58", "80÷20=4", "38+22=60" ] }
images_blank_noborder/math_puzzle_1957_blank_noborder.png
images_blank_hr/math_puzzle_1957_blank_hr.png
8
+-*/
easy
[ 3, 139 ]
| | | | | ? | + | 61 | = | 95 | | | | | | | | | | × | | | | - | | | | | | | | 135 | ÷ | 3 | = | ? | | ? | × | 4 | = | 120 | | | | | | = | | ÷ | | = | | | | | | 97 | + | ? | = | 102 | | 45 | + | 65 | = | ? | | | | | | | | | | = | | | ...
| | | | | 34 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 45 | | 30 | | | | | | | | | | | | | | | | | | | | | | 5 | | | | | | | | 110 | | | | | | | | | | | | | | |...
| | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | | ...
Across 34+61=95 135÷3=45 30×4=120 97+5=102 45+65=110 Down 34×3=102 95-30=65 45÷45=1
{ "step1": [ "34+61=95", "135÷3=45", "30×4=120", "97+5=102", "45+65=110", "34×3=102", "95-30=65", "45÷45=1" ] }
images_blank_noborder/math_puzzle_1958_blank_noborder.png
images_blank_hr/math_puzzle_1958_blank_hr.png
7
+-*/
easy
[ 1, 197 ]
| 108 | + | ? | = | 135 | | | | | | + | | | | | | 128 | | 12 | | | | | | - | | = | | | | | | 54 | + | 39 | = | ? | | ? | | = | | | | × | | + | | ? | | ? | ÷ | 2 | = | 45 | | | | | | = | | = | | | | | | 186 | | 76 |
| | | 27 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 93 | | 31 | | | | | | | | | | 74 | | 90 | | | | | | | | | | | | | | | | | | | | |
| | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step1 | | | | | | | | | | step1 | | step1 | | | | | | | | | | | | | | | | | | | | |
Across 108+27=135 54+39=93 90÷2=45 Down 27+12=39 128-54=74 93×2=186 31+45=76
{ "step1": [ "108+27=135", "54+39=93", "90÷2=45", "27+12=39", "128-54=74", "93×2=186", "31+45=76" ] }
images_blank_noborder/math_puzzle_1959_blank_noborder.png
images_blank_hr/math_puzzle_1959_blank_hr.png
15
+-*/
medium
[ 4, 119 ]
| | | | | | | | | | | 44 | | | | | | | | | | | | | | | | | | + | | | | | | | | | | | | | | | | | | 60 | | | | | | | | | | | | | | | | | | = | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 104÷8=13 108-26=82 10×5=50 38+42=80 86-11=75 23+90=113 12×7=84 25-9=16 Down 44+60=104 8×10=80 85-50=35 82-42=40 101-11=90 38+75=113 23-7=16
{ "step1": [ "108-26=82", "38+42=80", "86-11=75", "23+90=113", "12×7=84", "44+60=104", "85-50=35", "82-42=40", "101-11=90", "38+75=113", "23-7=16" ], "step2": [ "104÷8=13", "10×5=50", "25-9=16", "8×10=80" ] }
images_blank_noborder/math_puzzle_1960_blank_noborder.png
images_blank_hr/math_puzzle_1960_blank_hr.png
7
+-*/
hard
[ 5, 167 ]
| | | | | ? | | | | | | | | - | | | | ? | - | 33 | = | 132 | | | | | | | | = | | | | | | 22 | + | ? | = | ? | | | | + | | | | - | | | | 67 | | | | 29 | | | | = | | | | = | | ? | + | ? | = | 150 | | 17 | | + | | | | | | | | 69 | | ...
| | | | | 156 | | | | | | | | | | | | 165 | | | | | | | | | | | | | | | | | | | | 24 | | 46 | | | | | | | | | | | | | | | | | | | | | | | | | | 61 | | 89 | | | | | | | | | | | | | | | | ...
| | | | | step3 | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | ...
Across 165-33=132 22+24=46 61+89=150 Down 156-132=24 22+67=89 46-29=17 61+69=130
{ "step1": [ "165-33=132", "22+67=89", "46-29=17" ], "step2": [ "22+24=46", "61+89=150" ], "step3": [ "156-132=24", "61+69=130" ] }
images_blank_noborder/math_puzzle_1961_blank_noborder.png
images_blank_hr/math_puzzle_1961_blank_hr.png
6
+-*/
easy
[ 2, 110 ]
| | | | | ? | | 80 | ÷ | ? | = | 10 | | | | | | + | | + | | | | | | | | 57 | ÷ | 3 | = | ? | | | | | | | | - | | = | | = | | | | | | | | 36 | | 106 | | 99 | | | | | | | | = | | | | | | | | | | 69 | - | ? | = | 48 | | | | ...
| | | | | 103 | | | | 8 | | | | | | | | | | | | | | | | | | | | | | 19 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 21 | | | | | | | ...
| | | | | step1 | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | ...
Across 80÷8=10 57÷3=19 69-21=48 Down 103+3=106 80+19=99 57-36=21
{ "step1": [ "80÷8=10", "57÷3=19", "69-21=48", "103+3=106", "80+19=99", "57-36=21" ] }
images_blank_noborder/math_puzzle_1962_blank_noborder.png
images_blank_hr/math_puzzle_1962_blank_hr.png
6
+-*/
medium
[ 3, 159 ]
| | | | | 119 | - | 54 | = | ? | | | | | | - | | | | | | | | ? | | 44 | | | | | | | | ÷ | | = | | | | | | ? | × | 3 | = | ? | | | | | | × | | = | | | | | | | | 4 | | 41 | | | | | | | | = | | | | | | | | | | ? | + | 1...
| | | | | | | | | 65 | | | | | | | | | | | | | | 123 | | | | | | | | | | | | | | | | | | 25 | | | | 75 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 100 | |...
| | | | | | | | | step1 | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step2 | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 119-54=65 25×3=75 100+13=113 Down 119-44=75 123÷3=41 25×4=100
{ "step1": [ "119-54=65", "100+13=113", "119-44=75", "123÷3=41" ], "step2": [ "25×3=75", "25×4=100" ] }
images_blank_noborder/math_puzzle_1963_blank_noborder.png
images_blank_hr/math_puzzle_1963_blank_hr.png
11
+-*/
hard
[ 4, 169 ]
| | | ? | | | | | | | | | | | | × | | | | | | | | | | | | 6 | | | | | | | | | | | | = | | | | | | | | | | | | 132 | ÷ | ? | = | 11 | | | | | | | | | | + | | | | | | | | | | 36 | + | ? | = | ? | | | ...
| | | 22 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 12 | | | | | | | | | | | | | | | | | | | | | | | | 4 | | 40 | | | |...
| | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step3 ...
Across 132÷12=11 36+4=40 7×16=112 101-8=93 169-49=120 14×5=70 Down 22×6=132 12+4=16 7+42=49 112÷8=14 70-18=52
{ "step1": [ "132÷12=11", "101-8=93", "22×6=132", "70-18=52" ], "step2": [ "14×5=70", "12+4=16" ], "step3": [ "36+4=40", "112÷8=14" ], "step4": [ "7×16=112" ], "step5": [ "7+42=49" ], "step6": [ "169-49=120" ] }
images_blank_noborder/math_puzzle_1964_blank_noborder.png
images_blank_hr/math_puzzle_1964_blank_hr.png
8
+-*/
hard
[ 3, 105 ]
| | | | | 97 | + | 8 | = | ? | | | | | | | | | | - | | | | | | | | | | ? | + | 11 | = | 44 | | ? | | 23 | × | 4 | = | ? | | | | | | = | | + | | + | | | | | | | | | | ? | - | 25 | = | ? | | | | | | | | | | | | = | | = | | |...
| | | | | | | | | 105 | | | | | | | | | | | | | | | | | | | | 33 | | | | | | 18 | | | | | | 92 | | | | | | | | | | | | | | | | | | | | 53 | | | | 28 | | | | | | | | | | | | | | | | ...
| | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step2 | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | step2 | | | | | | | | | | | | ...
Across 97+8=105 33+11=44 23×4=92 53-25=28 70-27=43 Down 97-44=53 18+25=43 23+28=51
{ "step1": [ "97+8=105", "33+11=44", "23×4=92", "70-27=43", "97-44=53" ], "step2": [ "53-25=28", "18+25=43" ], "step3": [ "23+28=51" ] }
images_blank_noborder/math_puzzle_1965_blank_noborder.png
images_blank_hr/math_puzzle_1965_blank_hr.png
15
+-*/
hard
[ 2, 218 ]
| | | | | | | | | 89 | + | ? | = | 196 | | | | | | | | | | | | | | - | | | | | | | | | | 11 | + | ? | = | ? | | | | | | | | | | | | | | = | | | | 62 | + | ? | = | ? | | 72 | + | 79 | = | ? | | | | | | ÷ | | | | + | | ...
| | | | | | | | | | | 107 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 34 | | 45 | | | | | | | | | | | | | | | | | | | | 94 | | 156 | | | | | | 151 | | | | | | | | | | | |...
| | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step3 | | step2 | | | | | | | | | | | | | | | | | | | | step3 | | step4 | | | | | | step1 | | | | | | | | ...
Across 89+107=196 11+34=45 62+94=156 72+79=151 2×26=52 162-124=38 56+132=188 214+4=218 65-32=33 Down 196-45=151 94÷2=47 72+52=124 40+16=56 26+162=188 132÷4=33
{ "step1": [ "89+107=196", "72+79=151", "56+132=188", "65-32=33", "72+52=124", "40+16=56" ], "step2": [ "2×26=52", "196-45=151", "26+162=188", "132÷4=33" ], "step3": [ "11+34=45", "162-124=38", "214+4=218", "94÷2=47" ], "step4": [ "62+94=156" ]...
images_blank_noborder/math_puzzle_1966_blank_noborder.png
images_blank_hr/math_puzzle_1966_blank_hr.png
15
+-*/
hard
[ 5, 114 ]
| | | | | | | | | ? | | | | 30 | | | | | | | | | | + | | | | + | | | | | | | | | | 8 | | | | ? | | | | | | | | | | = | | | | = | | | | | | | | | | 25 | + | ? | = | 108 | | | | | | | | | | | | - | ...
| | | | | | | | | 17 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 78 | | | | | | | | | | | | | | | | | | | | | | | | | | 83 | | | | | | | | | | | | | | | ...
| | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | ...
Across 25+83=108 96-69=27 70÷5=14 21-15=6 109-7=102 105-41=64 13+50=63 Down 17+8=25 30+78=108 83-69=14 70+32=102 5×21=105 9×7=63 82+13=95 109-50=59
{ "step1": [ "25+83=108", "70÷5=14", "109-7=102", "105-41=64", "17+8=25", "30+78=108", "9×7=63" ], "step2": [ "13+50=63", "83-69=14", "70+32=102", "5×21=105", "109-50=59" ], "step3": [ "96-69=27", "21-15=6", "82+13=95" ] }
images_blank_noborder/math_puzzle_1967_blank_noborder.png
images_blank_hr/math_puzzle_1967_blank_hr.png
10
+-*/
medium
[ 1, 55 ]
| | | | | | | 25 | + | ? | = | 55 | | | | | | | | | | - | | | | | | | | ? | - | 35 | = | 13 | | | | | | | | | | | | = | | | | | | | | ? | ÷ | 3 | = | 17 | | | | | | | | - | | + | | | | | | ? | - | 11 | = | 27 | | ? | | ? |...
| | | | | | | | | 30 | | | | | | | | | | | | | | | | | | | | 48 | | | | | | | | | | | | | | | | | | | | | | | | 51 | | | | | | | | | | | | | | | | | | | | 38 | | | | | | 14 | | 4 | ...
| | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | st...
Across 25+30=55 48-35=13 51÷3=17 38-11=27 24+17=41 9×5=45 Down 30-13=17 51-27=24 3+14=17 4+41=45
{ "step1": [ "25+30=55", "48-35=13", "51÷3=17", "38-11=27", "24+17=41", "9×5=45", "30-13=17", "51-27=24", "3+14=17" ], "step2": [ "4+41=45" ] }
images_blank_noborder/math_puzzle_1968_blank_noborder.png
images_blank_hr/math_puzzle_1968_blank_hr.png
10
+-*/
medium
[ 1, 185 ]
| | | | | 3 | × | ? | = | 108 | | | | | | | | | | | | + | | | | | | | | | | | | 109 | | ? | | ? | ÷ | 2 | = | 86 | | | | | | - | | = | | | | × | | | | | | | | ? | - | 40 | = | 49 | | ? | | | | | | | | = | | | | + | | =...
| | | | | | | 36 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4 | | 172 | | | | | | | | | | | | | | | | | | | | | | | | 89 | | | | | | 8 | | | | | | | | | | | | | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | | | | | | | | | | ...
Across 3×36=108 172÷2=86 89-40=49 5+15=20 119-103=16 153-1=152 Down 36+4=40 109-89=20 2×8=16 49+103=152
{ "step1": [ "3×36=108", "172÷2=86", "89-40=49", "5+15=20", "119-103=16", "153-1=152", "109-89=20", "2×8=16", "49+103=152" ], "step2": [ "36+4=40" ] }
images_blank_noborder/math_puzzle_1969_blank_noborder.png
images_blank_hr/math_puzzle_1969_blank_hr.png
8
+-*/
medium
[ 5, 222 ]
| | | | | | | | | | | | | 24 | | | | | | | | | | | | | | × | | | | | | 14 | × | 8 | = | ? | | 167 | | 6 | | | | | | | | | | ÷ | | + | | = | | | | | | | | | | ? | × | 9 | = | ? | | | | | | | | | | = | | = | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 112 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 16 | | | | 144 | | | | | | | | | | | | |...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | | | step1 | | | | | | | | | | | ...
Across 14×8=112 16×9=144 141-134=7 213-133=80 Down 24×6=144 112÷16=7 167+9=176 141+80=221
{ "step1": [ "14×8=112", "141-134=7", "213-133=80", "24×6=144", "167+9=176", "141+80=221" ], "step2": [ "16×9=144", "112÷16=7" ] }
images_blank_noborder/math_puzzle_1970_blank_noborder.png
images_blank_hr/math_puzzle_1970_blank_hr.png
8
+-*/
easy
[ 5, 129 ]
| | | | | | | ? | | | | | | | | | | - | | | | | | ? | + | 79 | = | 88 | | | | | | × | | | | = | | | | ? | ÷ | 5 | = | 19 | | 25 | | 114 | | - | | = | | + | | | | - | | 24 | | 45 | | 39 | + | 62 | = | ? | | = | | | | = | | | | = | | 71 |...
| | | | | | | 113 | | | | | | | | | | | | | | | | 9 | | | | | | | | | | | | | | | | | | 95 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 101 | | | | | | | | | | | | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | ...
Across 9+79=88 95÷5=19 39+62=101 Down 113-88=25 9×5=45 95-24=71 19+39=58 114-101=13
{ "step1": [ "9+79=88", "95÷5=19", "39+62=101", "113-88=25", "9×5=45", "95-24=71", "19+39=58", "114-101=13" ] }
images_blank_noborder/math_puzzle_1971_blank_noborder.png
images_blank_hr/math_puzzle_1971_blank_hr.png
8
+-*/
easy
[ 1, 208 ]
| 3 | | | | | | | | | | | | × | | | | | | | | | | | | ? | | | | | | | | 15 | | | | = | | | | | | | | × | | | | 126 | - | ? | = | 118 | | 142 | ÷ | ? | = | 71 | | | | | | - | | | | = | | | | | | | | 83 | - | ? | = | 3...
| | | | | | | | | | | | | | | | | | | | | | | | | 42 | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | | | | | | 2 | | | | | | | | | | | | | | | | | | | | | | 53 | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step1 ...
Across 126-8=118 142÷2=71 83-53=30 31+4=35 Down 3×42=126 15×2=30 118-83=35 53+133=186
{ "step1": [ "126-8=118", "142÷2=71", "83-53=30", "31+4=35", "3×42=126", "15×2=30", "118-83=35", "53+133=186" ] }
images_blank_noborder/math_puzzle_1972_blank_noborder.png
images_blank_hr/math_puzzle_1972_blank_hr.png
7
+-*/
hard
[ 4, 166 ]
| | | | | 102 | | | | | | | | | | - | | | | | | | | | | ? | + | 61 | = | ? | | | | | | = | | | | | | 36 | + | 41 | = | ? | | | | | | × | | + | | | | | | | | 4 | | ? | - | 13 | = | ? | | | | = | | = | | | | | | | | ? | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | 25 | | | | 86 | | | | | | | | | | | | | | | | 77 | | | | | | | | | | | | | | | | | | 94 | | | | 81 | | | | | | | | | | | | | | 144 | |...
| | | | | | | | | | | | | | | | | | | | | | | | | step2 | | | | step3 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step2 | | | | step3 | | | | | | | | | | | | ...
Across 25+61=86 36+41=77 94-13=81 135÷5=27 Down 102-25=77 36×4=144 41+94=135
{ "step1": [ "36+41=77", "135÷5=27", "36×4=144" ], "step2": [ "102-25=77", "41+94=135" ], "step3": [ "25+61=86", "94-13=81" ] }
images_blank_noborder/math_puzzle_1973_blank_noborder.png
images_blank_hr/math_puzzle_1973_blank_hr.png
15
+-*/
medium
[ 3, 185 ]
| | | | | | | | | 23 | + | ? | = | 183 | | | | | | | | | | | | | | - | | | | | | | | | | | | ? | + | 59 | = | 140 | | | | | | | | | | | | | | | | = | | | | | | | | | | | | ? | - | 28 | = | 20 | | | | | | ...
| | | | | | | | | | | 160 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 81 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 48 | | | | | | | | | | | ...
| | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | ...
Across 23+160=183 81+59=140 48-28=20 93-32=61 96÷16=6 13+141=154 37×5=185 175÷25=7 90÷9=10 Down 160-140=20 48-32=16 96+89=185 6+141=147 21+154=175 13-4=9
{ "step1": [ "23+160=183", "81+59=140", "48-28=20", "93-32=61", "96÷16=6", "13+141=154", "175÷25=7", "160-140=20", "48-32=16", "6+141=147", "21+154=175", "13-4=9" ], "step2": [ "90÷9=10", "96+89=185" ], "step3": [ "37×5=185" ] }
images_blank_noborder/math_puzzle_1974_blank_noborder.png
images_blank_hr/math_puzzle_1974_blank_hr.png
7
+-*/
hard
[ 3, 116 ]
| | | | | 90 | + | 5 | = | ? | | | | | | | | | | × | | | | | | | | 87 | | ? | | ? | + | 55 | = | ? | | | | - | | - | | = | | | | | | | | 51 | + | 34 | = | ? | | | | | | | | = | | = | | | | | | | | 32 | + | ? | = | ? | | | | | ...
| | | | | | | | | 95 | | | | | | | | | | | | | | | | | | | | 102 | | 17 | | | | 72 | | | | | | | | | | | | | | | | | | | | 85 | | | | | | | | | | | | | | | | | | | | 36 | | 68 | | | | ...
| | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step3 | | step2 | | | | step3 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | st...
Across 90+5=95 17+55=72 51+34=85 32+36=68 Down 5×17=85 87-51=36 102-34=68
{ "step1": [ "90+5=95", "51+34=85", "87-51=36" ], "step2": [ "32+36=68", "5×17=85" ], "step3": [ "17+55=72", "102-34=68" ] }
images_blank_noborder/math_puzzle_1975_blank_noborder.png
images_blank_hr/math_puzzle_1975_blank_hr.png
12
+-*/
medium
[ 1, 113 ]
| 34 | | | | | | | | | | | | × | | | | | | | | | | | | 1 | | | | | | | | | | | | = | | | | | | | | | | | | ? | - | 5 | = | 29 | | | | | | | | | | × | | | | | | | | | | | | ? | × | 13 | = | ? | | | |...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 34 | | | | | | | | | | | | | | | | | | | | | | | | | | 6 | | | | 78 | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | step2 | ...
Across 34-5=29 6×13=78 30+46=76 2+45=47 38-35=3 112-112=0 Down 34×1=34 5×6=30 46-9=37 76÷2=38 47-3=44 35+77=112
{ "step1": [ "34-5=29", "2+45=47", "38-35=3", "112-112=0", "34×1=34", "5×6=30", "76÷2=38", "47-3=44", "35+77=112" ], "step2": [ "6×13=78", "30+46=76" ], "step3": [ "46-9=37" ] }
images_blank_noborder/math_puzzle_1976_blank_noborder.png
images_blank_hr/math_puzzle_1976_blank_hr.png
8
+-*/
easy
[ 2, 61 ]
| | | 5 | + | 14 | = | ? | | | | | | | | × | | | | | | | | | | ? | × | 9 | = | 27 | | 4 | | | | | | | | = | | | | × | | | | | | | | ? | - | 34 | = | 11 | | | | | | | | | | ÷ | | = | | | | | | | | | | 2 | | ? | - | 13 | =...
| | | | | | | 19 | | | | | | | | | | | | | | | | | | 3 | | | | | | | | | | | | | | | | | | | | | | | | | | 45 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 44 | | | |...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 ...
Across 5+14=19 3×9=27 45-34=11 44-13=31 17-10=7 Down 5×9=45 4×11=44 34÷2=17
{ "step1": [ "5+14=19", "3×9=27", "45-34=11", "44-13=31", "17-10=7", "5×9=45", "4×11=44", "34÷2=17" ] }
images_blank_noborder/math_puzzle_1977_blank_noborder.png
images_blank_hr/math_puzzle_1977_blank_hr.png
5
+-*/
hard
[ 1, 205 ]
| | | ? | | | | | | | | | | - | | | | | | | | 62 | + | ? | = | ? | | | | | | × | | = | | ÷ | | | | | | 2 | | 55 | | 3 | × | 23 | = | ? | | = | | | | = | | | | | | ? | | | | 36 | | | | |
| | | 101 | | | | | | | | | | | | | | | | | | | | 46 | | 108 | | | | | | | | | | | | | | | | | | | | | | | | 69 | | | | | | | | | | | | 124 | | | | | | | | |
| | | step3 | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | step1 | | | | | | | | |
Across 62+46=108 3×23=69 Down 101-46=55 62×2=124 108÷3=36
{ "step1": [ "3×23=69", "62×2=124", "108÷3=36" ], "step2": [ "62+46=108" ], "step3": [ "101-46=55" ] }
images_blank_noborder/math_puzzle_1978_blank_noborder.png
images_blank_hr/math_puzzle_1978_blank_hr.png
10
+-*/
medium
[ 5, 142 ]
| | | | | | | | | | | ? | | | | | | | | | | | | - | | | | | | | | | | | | 84 | | | | | | | | | | | | = | | | | | | 111 | | 102 | - | ? | = | 52 | | | | | | - | | | | - | | | | ? | + | 6 | = | 71 | | ? | - | ? |...
| | | | | | | | | | | 136 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 50 | | | | | | | | | | | | | | | | 65 | | | | | | 109 | | 45 |...
| | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | step3 ...
Across 102-50=52 65+6=71 109-45=64 40÷8=5 12×10=120 140-44=96 Down 136-84=52 111-71=40 50-45=5 8×12=96
{ "step1": [ "102-50=52", "65+6=71", "40÷8=5", "12×10=120", "140-44=96", "136-84=52", "111-71=40", "8×12=96" ], "step2": [ "50-45=5" ], "step3": [ "109-45=64" ] }
images_blank_noborder/math_puzzle_1979_blank_noborder.png
images_blank_hr/math_puzzle_1979_blank_hr.png
7
+-*/
easy
[ 1, 55 ]
| 1 | + | ? | = | 13 | | | | | | | | + | | | | ? | | ? | ÷ | 17 | = | 3 | | ÷ | | | | = | | | | 22 | + | 8 | = | ? | | | | = | | × | | | | | | 2 | | 6 | + | ? | = | 26 | | | | = | | | | | | | | ? | | | | |
| | | 12 | | | | | | | | | | | | | | 44 | | 51 | | | | | | | | | | | | | | | | | | 30 | | | | | | | | | | | | | | | | 20 | | | | | | | | | | | | | | 48 | | | | |
| | | step1 | | | | | | | | | | | | | | step1 | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | step1 | | | | |
Across 1+12=13 51÷17=3 22+8=30 6+20=26 Down 13+17=30 44÷22=2 8×6=48
{ "step1": [ "1+12=13", "51÷17=3", "22+8=30", "6+20=26", "13+17=30", "44÷22=2", "8×6=48" ] }
images_blank_noborder/math_puzzle_1980_blank_noborder.png
images_blank_hr/math_puzzle_1980_blank_hr.png
11
+-*/
medium
[ 1, 231 ]
| | | 1 | | | | | | | | | | | | | | × | | | | | | | | | | | | 197 | | ? | | | | | | | | | | 196 | | - | | = | | | | | | | | | | - | | 129 | | 5 | + | 215 | = | ? | | ? | | | | 100 | | = | | | | - | | | | × | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 220 | | 7 | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step1 | | | | | | | | | | | | | | | ...
Across 5+215=220 68+21=89 6×16=96 126÷3=42 77+116=193 Down 1×5=5 197-129=68 196-100=96 215-89=126 7×6=42 231÷3=77
{ "step1": [ "5+215=220", "68+21=89", "6×16=96", "77+116=193", "1×5=5", "197-129=68", "196-100=96", "215-89=126", "7×6=42" ], "step2": [ "126÷3=42" ], "step3": [ "231÷3=77" ] }
images_blank_noborder/math_puzzle_1981_blank_noborder.png
images_blank_hr/math_puzzle_1981_blank_hr.png
10
+-*/
hard
[ 1, 215 ]
| | | ? | + | 10 | = | ? | | | | | | | | | | × | | | | + | | | | | | | | | | 5 | | 190 | + | 12 | = | ? | | | | | | | | = | | | | = | | | | | | | | | | ? | | ? | - | ? | = | 67 | | | | | | | | | | ÷ | | | | × | | |...
| | | 33 | | | | 43 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 202 | | | | | | | | | | | | | | | | | | | | | | 165 | | 122 | | 55 | | | | | | | | | | | | | | | | | |...
| | | step4 | | | | step3 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | step5 | | step1 | | step2 | | | | | | | | | | | | | | ...
Across 33+10=43 190+12=202 122-55=67 3+90=93 213-152=61 201-53=148 Down 33×5=165 43+12=55 122÷2=61 67×3=201
{ "step1": [ "190+12=202", "213-152=61", "201-53=148", "122÷2=61" ], "step2": [ "122-55=67", "67×3=201" ], "step3": [ "3+90=93", "43+12=55" ], "step4": [ "33+10=43" ], "step5": [ "33×5=165" ] }
images_blank_noborder/math_puzzle_1982_blank_noborder.png
images_blank_hr/math_puzzle_1982_blank_hr.png
15
+-*/
medium
[ 5, 81 ]
| | | | | | | | | | | | | | | | | 33 | | | | | | | | | | | | | | | | | | | | + | | | | | | | | | | | | | | | | | | ? | - | 24 | = | 22 | | | | | | | | | | | | | | | | - | | = | | + | | 6 |...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 46 | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 46-24=22 6+75=81 48÷8=6 5+5=10 65-15=50 9+55=64 37-19=18 Down 33+24=57 46-6=40 22+12=34 75÷5=15 8×8=64 10+27=37 28-9=19 73-55=18
{ "step1": [ "46-24=22", "6+75=81", "48÷8=6", "5+5=10", "65-15=50", "9+55=64", "37-19=18", "33+24=57", "46-6=40", "22+12=34", "75÷5=15", "28-9=19", "73-55=18" ], "step2": [ "8×8=64", "10+27=37" ] }
images_blank_noborder/math_puzzle_1983_blank_noborder.png
images_blank_hr/math_puzzle_1983_blank_hr.png
13
+-*/
easy
[ 5, 102 ]
| | | | | | | 84 | | 12 | | | | | | | | | | - | | × | | | | | | | | ? | ÷ | 13 | = | 6 | | | | | | | | - | | = | | = | | | | ? | - | 40 | = | 50 | | ? | | ? | | | | | | | | = | | | | | | | | | | | | 28 | + | ? | = | 63 |...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 78 | | | | | | | | | | | | | | | | | | | | 90 | | | | | | 71 | | 72 | | | | | | | | | | | | | | | | | | | | | | 35 | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | step1 | | | | | | | | | | | | | | | | | | | | | | st...
Across 78÷13=6 90-40=50 28+35=63 19+16=35 6×9=54 Down 84-13=71 12×6=72 78-50=28 35+19=54 63+16=79 53+35=88 43-6=37 9×5=45
{ "step1": [ "78÷13=6", "90-40=50", "28+35=63", "19+16=35", "6×9=54", "84-13=71", "12×6=72", "78-50=28", "35+19=54", "63+16=79", "53+35=88", "43-6=37", "9×5=45" ] }
images_blank_noborder/math_puzzle_1984_blank_noborder.png
images_blank_hr/math_puzzle_1984_blank_hr.png
6
+-*/
hard
[ 5, 160 ]
| | | | | | | ? | | | | | | | | | | - | | | | | | | | | | 81 | | 67 | | | | | | | | = | | + | | | | | | ? | ÷ | ? | = | 20 | | | | | | - | | | | = | | ? | + | 26 | = | 76 | | | | ? | | | | | | = | | | | | | | | ...
| | | | | | | 86 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 100 | | 5 | | | | | | | | | | | | | | 50 | | | | | | | | 87 | | | | | | | | | | | | | | ...
| | | | | | | step3 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | ...
Across 100÷5=20 50+26=76 24×6=144 Down 86-81=5 67+20=87 100-76=24
{ "step1": [ "50+26=76", "24×6=144", "67+20=87", "100-76=24" ], "step2": [ "100÷5=20" ], "step3": [ "86-81=5" ] }
images_blank_noborder/math_puzzle_1985_blank_noborder.png
images_blank_hr/math_puzzle_1985_blank_hr.png
14
+-*/
medium
[ 5, 234 ]
| | | | | 16 | + | 11 | = | ? | | | | | | | | | | | | + | | | | | | | | | | 20 | + | ? | = | ? | | | | | | | | | | = | | | | | | | | ? | - | ? | = | 32 | | | | | | | | - | | | | | | | | ? | - | 10 | = | 104 | | | | ? |...
| | | | | | | | | 27 | | | | | | | | | | | | | | | | | | | | | | | | 5 | | 25 | | | | | | | | | | | | | | | | | | 117 | | 85 | | | | | | | | | | | | | | | | | | 114 | | | | | | | | 158...
| | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step3 | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | | | | | | | | | | | | | | | step1 | | | | ...
Across 16+11=27 20+5=25 117-85=32 114-10=104 7×13=91 208÷8=26 186-99=87 Down 27+5=32 117-104=13 114÷6=19 10×7=70 158-132=26 91+8=99 87+129=216
{ "step1": [ "16+11=27", "114-10=104", "7×13=91", "208÷8=26", "186-99=87", "117-104=13", "114÷6=19", "10×7=70", "158-132=26", "91+8=99", "87+129=216" ], "step2": [ "117-85=32", "27+5=32" ], "step3": [ "20+5=25" ] }
images_blank_noborder/math_puzzle_1986_blank_noborder.png
images_blank_hr/math_puzzle_1986_blank_hr.png
15
+-*/
medium
[ 1, 225 ]
| | | | | | | 6 | | | | | | | | | | | | | | × | | | | | | | | | | 141 | | | | ? | | | | | | ? | | | | + | | | | = | | | | | | + | | ? | + | 13 | = | 34 | | ? | + | 2 | = | ? | | 5 | | | | = | | + | | | | | | - | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 10 | | | | | | 9 | | | | | | | | | | | | | | | | 21 | | | | | | 60 | | | | 62 | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step3 | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | step2 | | | | step1 | | | | | | | | | | | ...
Across 21+13=34 60+2=62 154-58=96 42÷3=14 98-39=59 16+178=194 31×7=217 Down 6×10=60 141+13=154 9+5=14 34+58=92 62-3=59 96+98=194 101+16=117 39-8=31
{ "step1": [ "21+13=34", "42÷3=14", "98-39=59", "16+178=194", "31×7=217", "141+13=154", "9+5=14", "34+58=92", "62-3=59", "101+16=117", "39-8=31" ], "step2": [ "60+2=62", "154-58=96", "96+98=194" ], "step3": [ "6×10=60" ] }
images_blank_noborder/math_puzzle_1987_blank_noborder.png
images_blank_hr/math_puzzle_1987_blank_hr.png
5
+-*/
easy
[ 1, 200 ]
| | | | | 56 | | | | | | | | - | | | | ? | | 104 | | 1 | | | | × | | + | | = | | | | 25 | + | 30 | = | ? | | | | = | | = | | | | | | 125 | | ? | + | 37 | = | 171 |
| | | | | | | | | | | | | | | | | 5 | | | | | | | | | | | | | | | | | | | | 55 | | | | | | | | | | | | | | 134 | | | | |
| | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | step1 | | | | |
Across 25+30=55 134+37=171 Down 56-1=55 5×25=125 104+30=134
{ "step1": [ "25+30=55", "134+37=171", "56-1=55", "5×25=125", "104+30=134" ] }
images_blank_noborder/math_puzzle_1988_blank_noborder.png
images_blank_hr/math_puzzle_1988_blank_hr.png
12
+-*/
hard
[ 5, 88 ]
| | | | | | | | | | | | | | | | | 14 | | | | | | | | | | | | | | | | | | + | | | | | | | | 11 | + | ? | = | 86 | | 13 | | | | ? | | | | | | | | | | ÷ | | | | + | | | | = | | | | | | ? | - | 25 | = | ?...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 75 | | | | | | | | 12 | | | | | | | | | | | | | | | | | | | | | | | | 40 | | | | 15 ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step2 | | | | | | | | | | | | | | | | | | | | | | | | step3 | | ...
Across 11+75=86 40-25=15 32-6=26 10+8=18 5×9=45 27+21=48 7+29=36 Down 14+12=26 75÷15=5 13+32=45 40+8=48 25-18=7
{ "step1": [ "11+75=86", "32-6=26", "27+21=48", "13+32=45" ], "step2": [ "5×9=45", "14+12=26", "75÷15=5" ], "step3": [ "40-25=15" ], "step4": [ "40+8=48" ], "step5": [ "10+8=18" ], "step6": [ "25-18=7" ], "step7": [ "7+29=36" ] }
images_blank_noborder/math_puzzle_1989_blank_noborder.png
images_blank_hr/math_puzzle_1989_blank_hr.png
10
+-*/
easy
[ 2, 219 ]
| | | | | 51 | + | ? | = | 72 | | | | | | | | | | | | | | + | | | | | | 97 | + | 93 | = | ? | | | | 42 | × | 3 | = | ? | | + | | + | | ÷ | | | | = | | | | | | ? | | 102 | | 19 | × | 6 | = | ? | | | | | | = | | = | | = | | × | | | | ...
| | | | | | | 21 | | | | | | | | | | | | | | | | | | | | | | | | | | 190 | | | | | | | | 126 | | | | | | | | | | | | | | | | 49 | | | | | | | | 114 | | | | | | | | | | | | | | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | | | | | | | | | ...
Across 51+21=72 97+93=190 42×3=126 19×6=114 26-9=17 Down 72+42=114 97+49=146 93+102=195 190÷19=10 6×26=156
{ "step1": [ "51+21=72", "97+93=190", "42×3=126", "19×6=114", "26-9=17", "72+42=114", "97+49=146", "93+102=195", "190÷19=10", "6×26=156" ] }
images_blank_noborder/math_puzzle_1990_blank_noborder.png
images_blank_hr/math_puzzle_1990_blank_hr.png
14
+-*/
medium
[ 5, 95 ]
| 11 | | | | | | | | | | | | | | × | | | | | | | | | | | | | | 8 | + | ? | = | 89 | | 93 | - | ? | = | 43 | | | | = | | - | | | | | | ÷ | | | | | | ? | | 74 | | ? | ÷ | 9 | = | 10 | | | | | | | | = | | ÷ | | | | = | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 81 | | | | | | 50 | | | | | | | | | | | | | | | | | | | | 88 | | | | 90 | | | | | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | step1 | | | | | | | | | | | | | | | | | | ...
Across 8+81=89 93-50=43 90÷9=10 7×6=42 36-15=21 7×13=91 63+19=82 Down 11×8=88 81-74=7 50÷10=5 90÷6=15 42+21=63 95-13=82 36+51=87
{ "step1": [ "8+81=89", "93-50=43", "90÷9=10", "7×6=42", "36-15=21", "7×13=91", "11×8=88", "81-74=7", "90÷6=15", "95-13=82" ], "step2": [ "63+19=82", "50÷10=5", "42+21=63", "36+51=87" ] }
images_blank_noborder/math_puzzle_1991_blank_noborder.png
images_blank_hr/math_puzzle_1991_blank_hr.png
14
+-*/
medium
[ 4, 106 ]
| | | | | | | 4 | × | ? | = | ? | | | | | | | | | | | | | | | | | | - | | | | | | | | | | | | 9 | | ? | + | 17 | = | 42 | | 11 | × | 4 | = | ? | | | | | | + | | | | × | | = | | + | | | | | | | | | | ? | | ? | ÷ | 5 |...
| | | | | | | | | 12 | | 48 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 25 | | | | | | | | | | 44 | | | | | | | | | | | | | | | | | | | | | | | | 15 | | 30 | | ...
| | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 ...
Across 4×12=48 25+17=42 11×4=44 30÷5=6 83-24=59 85+14=99 97-8=89 26+74=100 Down 48-42=6 9+15=24 17×5=85 11+88=99 30+59=89 97-23=74
{ "step1": [ "25+17=42", "11×4=44", "30÷5=6", "83-24=59", "85+14=99", "97-8=89", "26+74=100", "48-42=6", "9+15=24", "17×5=85", "11+88=99", "30+59=89" ], "step2": [ "4×12=48", "97-23=74" ] }
images_blank_noborder/math_puzzle_1992_blank_noborder.png
images_blank_hr/math_puzzle_1992_blank_hr.png
9
+-*/
hard
[ 3, 128 ]
| | | | | ? | | | | 15 | | | | | | | | - | | | | + | | | | 10 | + | ? | = | 26 | | | | ? | | | | | | | | = | | | | = | | | | | | | | ? | - | ? | = | 33 | | | | | | | | | | × | | | | | | | | | | ? | - | 3 | = | 96 | ...
| | | | | 80 | | | | | | | | | | | | | | | | | | | | | | 16 | | | | | | 18 | | | | | | | | | | | | | | | | | | | | 54 | | 21 | | | | | | | | | | | | | | | | | | | | | | 99 | | | | | ...
| | | | | step4 | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step3 | | step2 | | | | | | | | | | | | | | | | | | | | | | step1 ...
Across 10+16=26 54-21=33 99-3=96 63-43=20 Down 80-26=54 15+18=33 21×3=63 43+8=51 20×5=100
{ "step1": [ "10+16=26", "99-3=96", "63-43=20", "15+18=33", "43+8=51", "20×5=100" ], "step2": [ "21×3=63" ], "step3": [ "54-21=33" ], "step4": [ "80-26=54" ] }
images_blank_noborder/math_puzzle_1993_blank_noborder.png
images_blank_hr/math_puzzle_1993_blank_hr.png
10
+-*/
easy
[ 4, 235 ]
| | | | | 11 | | | | | | | | | | | | × | | | | | | | | | | | | 9 | | | | | | | | | | | | = | | | | | | | | | | | | ? | + | 127 | = | 226 | | | | | | | | | | - | | | | | | | | | | | | 96 | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 99 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ...
Across 99+127=226 143+31=174 79+50=129 135-42=93 4×29=116 Down 11×9=99 127-96=31 143-50=93 174÷6=29 67+116=183
{ "step1": [ "99+127=226", "143+31=174", "79+50=129", "135-42=93", "4×29=116", "11×9=99", "127-96=31", "143-50=93", "174÷6=29", "67+116=183" ] }
images_blank_noborder/math_puzzle_1994_blank_noborder.png
images_blank_hr/math_puzzle_1994_blank_hr.png
5
+-*/
easy
[ 2, 222 ]
| 14 | | | | | | | | | | × | | | | | | | | | | ? | | | | 116 | - | ? | = | 76 | | = | | | | + | | | | | | 42 | + | 30 | = | ? | | | | | | | | ÷ | | = | | | | | | | | ? | | 188 | | | | | | | | = | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | 3 | | | | | | 40 | | | | | | | | | | | | | | | | | | 72 | | | | | | | | | | | | | | | | | | 2 | | | | | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | step1 | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | ...
Across 116-40=76 42+30=72 Down 14×3=42 116+72=188 30÷2=15
{ "step1": [ "116-40=76", "42+30=72", "14×3=42", "116+72=188", "30÷2=15" ] }
images_blank_noborder/math_puzzle_1995_blank_noborder.png
images_blank_hr/math_puzzle_1995_blank_hr.png
10
+-*/
medium
[ 2, 74 ]
| | | | | 26 | | | | | | | | | | | | | | × | | | | | | | | | | | | | | 2 | | | | | | | | | | | | | | = | | | | | | | | | | | | 5 | + | ? | = | ? | | 28 | ÷ | 4 | = | ? | | | | | | | | + | | + | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 52 | | 57 | | | | | | 7 | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step2 | | | | | | step1 | | | | | | | | | | | ...
Across 5+52=57 28÷4=7 3×9=27 32-22=10 55+6=61 Down 26×2=52 57+9=66 28+27=55 3×10=30 6×12=72
{ "step1": [ "28÷4=7", "3×9=27", "32-22=10", "55+6=61", "26×2=52", "28+27=55", "3×10=30", "6×12=72" ], "step2": [ "5+52=57" ], "step3": [ "57+9=66" ] }
images_blank_noborder/math_puzzle_1996_blank_noborder.png
images_blank_hr/math_puzzle_1996_blank_hr.png
6
+-*/
easy
[ 2, 209 ]
| 116 | + | 82 | = | ? | | | | | | | | | | | | | | - | | | | | | | | | | | | | | 94 | | 180 | | 3 | × | 11 | = | ? | | | | | | = | | + | | × | | | | | | | | | | 104 | ÷ | 4 | = | ? | | | | | | | | | | | | = | | = | |...
| | | | | 198 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 33 | | | | | | | | | | | | | | | | | | | | | | | | 26 | | | | | | | | | | | | | | | | | ...
| | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | ...
Across 116+82=198 3×11=33 104÷4=26 Down 198-94=104 180+4=184 3×26=78
{ "step1": [ "116+82=198", "3×11=33", "104÷4=26", "198-94=104", "180+4=184", "3×26=78" ] }
images_blank_noborder/math_puzzle_1997_blank_noborder.png
images_blank_hr/math_puzzle_1997_blank_hr.png
15
+-*/
easy
[ 1, 126 ]
| 125 | | | | | | ? | | | | | | | | | | - | | | | | | × | | | | | | | | | | 4 | | | | | | 57 | | | | 8 | × | ? | = | 40 | | = | | | | | | = | | | | + | | | | | | ? | - | 67 | = | 54 | | 114 | - | ? | = | 17 | | | | | |...
| | | | | | | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5 | | | | | | | | | | | | | | | | | | | | 121 | | | | | | | | 97 | | | | | | | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | step1 | | | | | ...
Across 8×5=40 121-67=54 114-97=17 84-19=65 35+44=79 3+109=112 13+29=42 Down 125-4=121 2×57=114 8+17=25 54-19=35 97-18=79 84÷12=7 65+44=109 3+29=32
{ "step1": [ "8×5=40", "121-67=54", "114-97=17", "84-19=65", "35+44=79", "3+109=112", "13+29=42", "125-4=121", "2×57=114", "8+17=25", "54-19=35", "97-18=79", "84÷12=7", "65+44=109", "3+29=32" ] }
images_blank_noborder/math_puzzle_1998_blank_noborder.png
images_blank_hr/math_puzzle_1998_blank_hr.png
13
+-*/
hard
[ 1, 144 ]
| 125 | | 14 | | | | | | | | | | | | + | | × | | | | | | | | | | | | ? | × | ? | = | 32 | | 60 | | | | | | 89 | | = | | = | | + | | + | | | | | | + | | ? | | 112 | | ? | ÷ | ? | = | 18 | | | | 21 | | | | | | = | | = | | × | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4 | | 8 | | | | | | | | | | | | | | | | | | | | | | | | | | 129 | | | | 36 | | 2 | | | | | | | | | | | | | | | | | | | ...
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | step2 | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step3 | | | | step1 | | step2 | | | | | | | | | | | | | | | ...
Across 4×8=32 36÷2=18 13+55=68 5×22=110 67+23=90 Down 125+4=129 14×8=112 32+36=68 60+2=62 89+21=110 18×5=90 13×7=91 67-16=51
{ "step1": [ "13+55=68", "14×8=112", "32+36=68", "89+21=110", "13×7=91" ], "step2": [ "4×8=32", "36÷2=18", "5×22=110" ], "step3": [ "125+4=129", "60+2=62", "18×5=90" ], "step4": [ "67+23=90" ], "step5": [ "67-16=51" ] }
images_blank_noborder/math_puzzle_1999_blank_noborder.png
images_blank_hr/math_puzzle_1999_blank_hr.png
11
+-*/
hard
[ 1, 62 ]
| | | | | | | ? | - | ? | = | 11 | | | | | | | | - | | ÷ | | | | | | 8 | + | ? | = | 28 | | 2 | | | | | | | | | | = | | = | | | | | | 3 | + | 6 | = | ? | | ? | | | | | | × | | | | | | | | | | 22 | + | ? | = | ? | | | | | |...
| | | | | | | 37 | | 26 | | | | | | | | | | | | | | | | | | | | 20 | | | | | | | | | | | | | | | | | | | | | | | | | | 9 | | 13 | | | | | | | | | | | | | | | | | | 20 | | 42 | | | | | ...
| | | | | | | step2 | | step3 | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | step4 | | | | | | | | | | | | | | | | | | step2 | | st...
Across 37-26=11 8+20=28 3+6=9 22+20=42 60-1=59 41+12=53 Down 37-28=9 26÷2=13 3×20=60 22+5=27 42-1=41
{ "step1": [ "8+20=28", "3+6=9", "60-1=59", "22+5=27" ], "step2": [ "37-28=9", "3×20=60" ], "step3": [ "37-26=11", "22+20=42" ], "step4": [ "26÷2=13", "42-1=41" ], "step5": [ "41+12=53" ] }
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| | | 57 | ÷ | 3 | = | ? | | | | | | | | × | | | | | | | | | | | | 2 | | 52 | - | 16 | = | ? | | | | | | = | | + | | | | | | | | | | ? | - | 35 | = | 79 | | | | 20 | | | | | | = | | - | | | | + | | 63 | + | 24 | = | ? | | ? | × | 10...
| | | | | | | 19 | | | | | | | | | | | | | | | | | | | | | | | | | | 36 | | | | | | | | | | | | | | | | | | 114 | | | | | | | | | | | | | | | | | | | | | | | | | | 87 | | 18 | | | ...
| | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | step1 | | | | | | | | | | | | | | | | | | | | | | | | | | step1 | | st...
Across 57÷3=19 52-16=36 114-35=79 63+24=87 18×10=180 Down 57×2=114 52+35=87 79-18=61 20+180=200
{ "step1": [ "57÷3=19", "52-16=36", "114-35=79", "63+24=87", "57×2=114", "52+35=87", "20+180=200" ], "step2": [ "18×10=180" ], "step3": [ "79-18=61" ] }