Datasets:
stemdataset
/
STEM

Dataset card Data Studio Files
xet
 Community
1
subject
stringclasses
4 values
grade
stringclasses
15 values
skill
stringclasses
445 values
pic_choice
bool
2 classes
pic_prob
bool
2 classes
problem
stringlengths
0
1.12k
problem_pic
unknown
choices
listlengths
2
4
βŒ€
choices_pic
listlengths
2
4
βŒ€
answer_idx
int64
0
3
math
pre-k
ordinal-numbers-up-to-tenth
false
true
The first picture is a fish. Which picture is fifth? first
"iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAniUlEQVR4nO3de3RU1d3w8e8kEyWZJNwzAYIlQFCREC6PkoDw0oIouCpoEVQetSVLa/sIwgNtRahCGwpVLCj6yCMGL12igEWxJRYarIUicb1ySbj5OoQgRJOgRJNMEiSTmfePk5nMJHM5c0lmMuf3WSvLZOZcNtv922efc/ZFZ7PZbAghhBBCCCFCIibcCRBCCCGEECKaSANbCCGEEEKIEOqwBvZ3TTbS99Qy+sM6vmuSXihCCCGEEEIbAmpgv1fRxKrPLnttOH/0jYV...
[ "sub", "turtle", "fish" ]
null
2
math
algebra-2
solve-a-triangle
false
true
In solving this triangle, which law must you use first?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAACzCAYAAACzf2u1AAAmOElEQVR4nO3de3TU9Z3/8edMZjLJ5DIzkSBFQJCiFOW+FCRIQG4GQiIXFX/r0nZR29Pq2fbYnm67u67HXc9pd8+2nm67P6u260/oVjiEGBIuAYIQIYBchLBoMA3JCRgggbllcpnM7ffH7EYpCiEkmUnyevwl+U6+845Hw2s+3/fn8zZEIpEIIiIiIiLSI4yxLkBEREREZCBRwBYRERER6UEK2CIxduXKFX784x8zYcIEkpOTsVqtTJgwgeeff57KyspYlyciIiK3SAF...
[ "Law of Cosines", "Law of Sines" ]
null
1
math
grade-2
identify-repeated-addition-in-arrays-sums-to-10
false
true
Which addition statement describes the array?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAADnklEQVR4nO3dvW3rMBiGUfLCvSa4u1gLZQVJC9wAmcQjuM0cmcAT8FZOkyJW8Mpy6HMAAykcgp8L+wHzwzrPcysAYdM07b0FANjFn703AAAAPTlcv3DaBCQsy7L3FgBgV06wAQAgSGADAECQwAYAgCCBDQAAQQIbAACCBDYAAAQJbAAACBLYAAAQtCqwx3EstdaHeYzjGHshzGY2s91vNgDoWZ3nuZVy202OtdbNN7RWay2yjtnuy2zf+62zXW9ydDssAM/q8P1Tvmo...
[ "5+5", "3+3+3", "1+1+1+1+1" ]
null
0
math
precalculus
determine-one-sided-continuity-using-graphs
false
true
Is f(x) continuous from the left at x=0?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB67klEQVR4nO3deXxU9b0//teZPftOAoGEPQISBAVlEyxUqagVrBftbW37s4ut1ra3tavt/ba1Xm+ttlq1dvG69PbeXmlRKxgoCgImSiRCIAEhBMhCyDLJZDKTmTn774+YSIRAAufDyZDX8/How85yXnlzPjNn3nPmc86RTNM0QURERERElnDYXQARERER0cWEDTYRERERkYXYYBMRERERWYgNNhH1s2XLFowfPx4rV64EANx444146aWXTvtcVVVx1VVX4Z133rmQJRI...
[ "yes", "no" ]
null
0
math
grade-8
nets-of-three-dimensional-figures
true
true
Which net will make this figure?
"iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAARO0lEQVR4nO2deViU5d7HPzMgqzCoKKbGUIq2+WKRbdY71qlOdVLcTqs1KGgLouASYOoMpmiJMpWGgr5OWCnpG6SebNEGWjRPmcMbhEsyLBqKIA40yDLDc/4YmTcNFXA2kM91zR+Dz3M/32u+1/V77t/vvn+3IkEQBLpxGsSOFuAMZGVlkZiYSElJiaOlgHANc+zYMeGxxx4TAMsnPj5eMBgMDtN0TRpiMBiEhIQEiwk9vX2F/7r5Lsv3gQMHClu2bHGItmvOkM2bNws...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAUkAAADlCAYAAADeIwWJAAAZgElEQVR4nO3de1xUdeL/8dcAYoo63jV1xX4ieMdLWJotVNZ2kVTK0r4VeGWLUvKyXVUs7SYoZWZJrUi1RZmYuul+f7ngt9SvmiuUlmghiqQiXoBEkMt8/xiZjcSzgsAZ4P38Zx6eh8y8z2OYN59z5nw+xwLYEKdhs9k4fgF+yoe8EijWuyNSq9ws0NwVejSFDu5gQSXpVI4X2tiZa3YKEQG4oQW4mR1CyjuYb3+81h18POx/0USk9uSVQOo5OHYBDuSDi9mBpLz...
0
math
pre-k
subtraction-sentences-up-to-10-which-model-matches
true
false
Which picture shows 3 βˆ’ 1 = 2?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAK4AAABKCAYAAAAi2W96AAAO9UlEQVR4nO2deWwc133HPzOzO3tzeUo8JOqwbvkQrcOULRdyAlV2EgUwnEOpDYlAm1ZFkaBBgaIH0Ab5w0WAFglSAy1aw5VcOQkaCbmQuI0TK3HsSKIqSzIlSxQpUZTEU1ySy7135+gfq+WS3F1ydzk8djsfgFjOvHlvfr99333zrv2toOu6PhiH7jAEVFB0TEyWHRYBPBJsdMJKGYTBmK63Tyy1WSYm+fNUBVi6wsmDBhk2u5KqNjFZbgRU6AzBQBxuhkGcUJI...
0
science
grade-3
read-a-thermometer
false
true
Select the temperature shown by this thermometer.
"iVBORw0KGgoAAAANSUhEUgAAAHYAAAHYCAYAAACYxhw7AABNlklEQVR4nO19e5wUxbn20zOzuyy7O7MLctsr4I07iZoLCJiYKN4Qv3NUlIueTzEK6vk8RxOMGo1GFD3qMSoa0eR4FO+aRDCIMdGoKGCCRnaXWxTYXVjchWV3ZvbC7s5Mf3/MdE9fqqqru6tnZg31+2G5U/XW+75V9dTzdnVXtyTLsowBnuLxOKLRTkSjUcRi/YjH40gk5FSeQDweh+JmXl4e8vLykJ+fp/n/fAwaNAgFBQVZ9kRcCmTbACcpEokiEomgq6sL0WgUR44...
[ "70Β°F", "95Β°F", "80Β°F" ]
null
2
math
grade-3
which-picture-shows-more
true
false
Which is more?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAlYAAAGLCAYAAAAF7dxzAAEAAElEQVR4nOz9PYwkS5bvif3e24eFBYklzAACdKNUJhCEp+ZBgchYqWK0aFDJWqmSUmdr2VoVpVsjTV2JdbWb2mRLkyWxUiBxQ3tR0kYAFMK1dPADsNLcARIwwy65blzuw1A45h+RVbd7eqbx5nUxDlAVGREe/mGf5/zP/5zzb/7xH//xH7v/Hv7v/x38t/8B/od/5CxnOctZznKWs5zlLP8E+Xf/Bv6L/wz+F/8j+J/95/Bvuv/PP/7j//m/+de+rbOc5SxnOct...
1
math
grade-3
interpret-line-graphs
false
true
An investor tracked the daily price of his favorite stock. On which day was the stock price $8?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAGGCAYAAABBv/YfAACFHklEQVR4nOzde0DT973/8WdCEiDcBQQFQREF8QoKgpcW71prvaAtal1rXU+7tqPdurmdrVvXdXM7v7mubrWn7tJ2trabVqkXvFS0XkDrBS/cvAEKIghyJ1xy//3hIS310suQBHg//irJN8mLNIZXvvlcFFar1YoQQgghhBCiQyjtHUAIIYQQQojuRGXvAEI4ourqanbs2MH58+epr69HoVDg6+vLqFGjmDNnDmq1ulNyvPvuuxw9epTJkyfzyCOPdMpjHjlyhH/+858...
[ "Sunday", "Monday", "Saturday", "Thursday" ]
null
0
math
grade-6
nets-of-three-dimensional-figures
true
true
Which figure will this net make?
"iVBORw0KGgoAAAANSUhEUgAAAM0AAACmCAYAAAB5jwvwAAAOFUlEQVR4nO3df1RT990H8PcFHBal2jho3bDPinOma/lRhmOe0x3k2eZCqetpp+16lDosFhQV2IMdBcGjKGLFIhYslF+16uysbedEybq1yuY5LsMxAnUNs+JWfIqEQdUoQgnJ/ngkjzRRuHBzbxLer/8MN9xPDrz93i/fX4LVarWCiEbNS+kCiNyNj9IFSEEQBKVLoFHyhAcbt29pGBj34gk/L49oaQCg5en3lS6BRhByaKHSJUjC7VsaIrkxNEQiMTREIjE0RCIxNEQ...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAUkAAACmCAYAAABX731LAAAYgElEQVR4nO3de1hVdboH8O8CFEXxAoKXvIzghTQuMhhDJ1NODkHo6am0zqSoqI2KJuiDZpo6XlBLTS0vkLcxKwtzGkdNpjMd9aRDhOMAjrZJwApGFARJEEQ37PMHblrIZsOGtddl7+/neXp43Gz2/vFs+/q+71rrtwSDwWAAEbWYIAhKL4Fk5KD0AoiI1MxJ6QVIgf+yawcbF9IazVeSDEht4edFWmMTlSQAXHzpS6WXQM3wTQ5TeglEFtN8JUlEZE0MSSIiMxi...
1
math
grade-7
parts-of-a-circle
false
true
What is B?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAk9klEQVR4nO3deXhU5eH28Xsmk0wSCJAAYTULO2FfZEfCEpSqgGBRAWtdqq/WvogLFbUqLli0amnrjkoRRFDLVgRBSCBCZBVIAEEICUuAEJJgAiHr+f0ROGbKJrKcM5Pv57q4OM9zzmTuJOePe06eOeMwDMMQAAAAAJ/gtDoAAAAAgMuHgg8AAAD4EAo+AAAA4EOcDodDCQkJZ+zo0aOH6tWrd8Z8WlqaHA6H3n33XU2ZMkUOh0MlJSVXPOitt96qAQMGXNLXWLNmjRw...
[ "diameter", "center", "chord" ]
null
1
math
precalculus
determine-one-sided-continuity-using-graphs
false
true
Is f(x) continuous from the left at x= – 5?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAByAElEQVR4nO39eXxc9X0v/r/O7Juk0S5ZtuQNG2QsYxtjvIGJCRAIBJukkPyykB9NS24SktzbtGmS0iYhlLZZGkJomjaX5d60uaExUGyEY/CKDF6ELVuy8SLbWixrGWn2OXOWOef7h5CwsI0l+3w8Guv1fDx4GI3mvPSe85n5zHs+c+aMZJqmCSIiIiIisoQt2wUQEREREV1J2GATEREREVmIDTYRERERkYXYYBPRCJs2bcLUqVNx1113AQDuvvtuvPjii+e8rqZpuPH...
[ "no", "yes" ]
null
1
science
grade-3
animal-adaptations-feet-and-limbs
true
true
Sumatran orangutans live in the rain forests of Indonesia and Malaysia. Their limbs are adapted for climbing trees. Which animal's limbs are also adapted for climbing trees?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOz9dXgcVf/4/z9XsruRzcbd3T1N6u4u1AttKQ6lSHEvFNdSoEoLtIW6u2vaxpPG3d2z2ax+/7h/9ENv5C6Q+32/3/dvH9fV64LZ3ZnXmTln8pozZ84IDAaDQavVotfrMTIyMjIyMjIyMjL6v0koFCIWixFoNBqDMbk3MjIyMjIyMjIy+r9PKBQiNCb3RkZGRkZGRkZGRv8d9Ho9wv90EEZGRkZGRkZGRkZGfceY4BsZGRkZGRkZGRn9FzEm+EZGRkZGRkZ...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9Z5Qc1bX4f3+rqqtznJzzjGZGOUsogBISAkSOImOwDRiTcbYxGGxyMGByzhmBQEI55xwn5zzTOVd4XnDhZ66xjW3573vv05+1tISqe6r2OX120XtOnSpB13VdURQ0TSMlJSUlJSUlJSUl5X8nURQxGAwIgvCfDiUl5f8kMVU4p6SkpKSkpKSkpPzvp2kaiqL8p8NISfk/S0wVzikpKSkpKSkpKSn/N6S+26ek/PuI/+kAUlJSUlJSUlJSUlJSUlL...
0
science
grade-3
compare-properties-of-objects
false
true
Which property do these three objects have in common? Select the best answer.
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADK8klEQVR4nOz9aZBkWXqeBz7nnLv5Gh577pm1ZFVXdVdvANhsAGyABEHSSBpIGgmZTCPJxLExiVpmxubHmGgmk2k0kszIGTNpBuIPmmRDgRijhNGIBCGCwDSIpYHe0N3VW61ZWZWVe+wRvrvf9Zz5ce71cI8lt8qtsu7TFl2REe7Xr9+47v6e777f+wljjAEIw5D19XV6vR5pmlJS8qRxHIdms8nJkycJguCRPlZ5/pc8bZTnf8knmcd5/peUPIsIY4wZj8dcuXKF8+f...
[ "soft", "blue", "fragile" ]
null
0
math
kindergarten
equal-sides
true
false
Which shape has 3 equal sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGkUlEQVR4nO3dTU8bVxTG8WeM7SqUECgo9CVRpUptV110UeVT9EulVaSoXTSLrLJqV00a0UhUbIjUNu2CRI1oF0SCVChSENikTgAbA7bHtwvHqin4ZWbuOXNn5vntCCG+i78uucPl2DPGmFID+LsOVH2gZUAUWd4Dzo8BH44Dc0XAKx0b82g/7mVRml2ZBPJP650P3ikCH7/ZqZAoqqoPrB0A2w1gvQ7k9ludTzAysun8WKcpAKj5QM7v+QSRTd2mmgbIxbsUygq...
1
science
grade-5
evaluate-natural-energy-sources
true
false
Below are three examples of using energy from natural resources. Select the use of energy that did not add to air pollution. Hint: Burning a material such as wood, oil, or coal releases chemicals that add to air pollution. Wood burned in a fireplace, heating a house. An outdoor stove burned propane, a fuel made from na...
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAp8AAADOCAYAAAB4pWlzAAEAAElEQVR4nOz96a8sWZbdif32OcfMfLjTm2PKyMihMmsuNqvIAodusptNSP1BAgQJAgR91/+jf0FoCdCHbjVEsYUWCIlszkMVax6ycoyM8c138MHMztlbH84xd/P77nsvMuIVikXaSrzw6+5m5uZmlvBla++1tvzbc7PvLuHYM2HChAkTJkyYMGHCnwsuE/zpCuQimk3Ec8KECRMmTJgwYcKfNy4TiJnZX/SOTJgwYcKECRMmTPhPA2H8RJy8eumX0NTXrPWF8To...
2
math
grade-2
compare-sides-and-vertices
true
false
Which shape has more sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAF1ElEQVR4nO3dzWscdQDG8WeTJpikbdKL0oMHD+pNsWJL8f/wv6v1hRx6CAgKpahIETz0ICJSbNpKoGm6bZJN9zU7k538PGzGbvoSk83Ozsyz38+pIZCdsl9+/PLAkkoIIVRj6UFHaiZSLwgorTMV6dy09P689M6sVKlGIdxp5P1YwOhdOS+dud/pf3FxVvpwoV8/UFbNRLrXlp7E0mpHmmr0+t8gbjg4N91vWZJaiTSVDHwDcJC2vBekqXwfBcgWgcMagcMagcM...
1
math
pre-k
addition-sentences-up-to-10-which-model-matches
true
false
Which shows 4+5=9?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAdoAAABKCAYAAAAc9ZVYAAAN1klEQVR4nO3dTWwc52GH8eed2Z39JilRliUxUATHkpI4cmwrhR2nKFCgVZoiPhk5xCh8bC5uAQFFb+mhQFEEBdJL0KbH9lC0PcapU6SXoGiRQK0QJFaQShYEVYn1TYnkfn/MvD0MKZHUarmz3Hd2SP1/ACFSS87ss8DMO7MzO2OstfZ2D662oB7CwCIiIiITyhmo+XCyDM8HYG53rb2wNuunJSIisv+8Pge5j1rxD0cDOF2JR2ERERGZTD2Ey0241YMrLfDWBvE...
1
science
grade-6
use-data-to-describe-climates
false
true
Which statement best describes the climate of Santiago? Hint: Summers in the Southern Hemisphere occur in December, January, and February. Winters in the Southern Hemisphere occur in June, July, and August. Santiago, Chile, is a city in South America. It is located in the Southern Hemisphere. It has a mediterranean cli...
"iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAD6w0lEQVR4nOzdeXyU5b3//9c9S/Z9I4QkJEAICYEQtkDYBASxCMiiSNWKWo9LPbWtXaza0/5s6/HbVtu69JyjtVKXVkVBJSwKKGERwpYQAgmEkJ0lC9km22zX74+QITFBg0wyQT/PR6nJPffM/ZmZOzPvueZaNKWUQgghhBBCCOEUOlcXIIQQQgghxDeJBGwXycjIQNM0NE1j/Pjxri5HfAutWbMGTdMYN26cU27v7bffZvbs2YSHh2M0GgkODmbevHns3LnTKbffG8X...
[ "Summers have higher temperatures and less precipitation than winters.", "The temperatures are about the same every month and summers have less precipitation.", "Summers have slightly higher temperatures and more precipitation than winters." ]
null
0
math
grade-1
name-the-two-dimensional-shape
false
true
What shape is this?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAACyCAYAAAB4I7gQAAADx0lEQVR4nO3asQ3CQBQFQYxcAKkLpCoX6JQCkI4ScLCWMZqJf/DC1emmMca4AQAAifvZAwAA4J8IbAAACAlsAAAICWwAAAgJbAAACAlsAAAICWwAAAgJbAAACAlsAAAIzXsP1/V14AzgFzyfj7MnAMDlecEGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgC...
[ "rectangle", "triangle", "circle" ]
null
0
math
grade-3
scalene-isosceles-and-equilateral-triangles
false
true
Is this triangle equilateral?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAnz0lEQVR4nO3dfXjU5Z3v8c/kYfLABMZREqAxiRBJgCAaanhKQhKiwWLBNexKy5rDUrrKg1fLbnu2dH0oYmnrcY9YC/Rsla112a2n4LlkTRMwhhRQiCuoidg0BAw6CCQSE8kkJMxkzh/IT0OxhGQmv5nJ++UfvfBOfr/PXJd/fHrznfu2eL1erwAAAAD4RJjZAQAAAIBQMiQK9tq1azVmzBjt3r3b7CgAAAAIcZahMCIyZswYnTx5UrGxsdq5c6eys7PNjgQAAIAQFfI...
[ "yes", "no" ]
null
0
math
grade-6
absolute-value-and-integers-word-problems
false
true
On his birthday, Isaiah received an ounce of gold from his grandfather. Isaiah is curious about its value so he looks it up online. One website shows how the value of gold has changed over several decades. During which years did the value of gold change the most?
"iVBORw0KGgoAAAANSUhEUgAAAOUAAAB/CAYAAAAQNAUzAAAdYElEQVR4nO2deVgUV7r/v9XVGwiCiksSlxZQBDtuiEoUNTIKiImiwygaLsYQE0diRE28imNkhOSqwYFf3OKGRvTOAEaD44Zj4oITdHLdIJgogrsIigI2S2/n90fbBSUoBUJTtufzPP08XVVvV711znnPVtXny8gPVxBQLMqVEUr0OF7Z0m5QRIqkpR2gUCh8aFBSKCKDBiWFIjJoUFIoIoMGJYUiMmhQUigigwYlhSIyaFBSKCKDBiWFIjJoUFoBQxwlOOOtgLMN09K...
[ "2001-2010", "1991-2000", "1981-1990" ]
null
0
math
grade-7
apply-addition-and-subtraction-rules
false
true
The number line shows an unknown number, s. Is s+1 positive or negative?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGK0lEQVR4nO3df2jUdRzH8df35t3mfqTTJka57Z9EhjjU7dyGpuEfCrZkQywpTCxERfI//cPyj4jB+sMkNDOkYOQyohObGEYEp5G7m3MthssonA41N4atbe525/btj9tdjs2d4d33u9s9H3Dc3ffu4AXf7x8v3ny+nzNM0zQFJLH6+noZhqEtW7bYHQUW4ZwDAKayGXYHAJ5UZ2en3RFgMc45AGAqe+yCHQqF1NzcLJ/Pp3nz5jE5AoCp4EaT5Dsp/XVN6r0tFZRIhaW...
[ "positive", "negative" ]
null
0
math
algebra-2
linear-functions-over-unit-intervals
false
true
How does h(t) change over the interval from t= – 10 to t= – 9?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABzMElEQVR4nO39e3yU9Z03/r+uOWaSSTIhgXDQBBEBA0lIOGg4KBZXXbEqaBft2t5ae7C7bffu97vt3bvfbn/3dv1593d32/7qauu621Xa7daVLWoFwzkcCgoSIJCAiBECAXKYZDKZ43WY6/r+MUlIOM7A9eHKJK/n4+HDxwyZV965rsw1r/nkmhnJMAwDRERERERkCpvVAxARERERjSQs2EREREREJmLBJiIiIiIyEQs2EQ2xbNkyrF69+pL/9sEHH+DOO++EqqoAgN/...
[ "h(t) increases by 1", "h(t) decreases by 1", "h(t) increases by 200%", "h(t) decreases by a factor of 4" ]
null
1
math
grade-4
interpret-bar-graphs
true
true
Some students at Westford Middle School signed up to help out with the school play. Which bar graph shows the same data?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAACeCAYAAAAITX1dAAA0uklEQVR4nO3deZzNZf/H8dfZ5sw+Y2cQY1+SJTcZlezZRVpIUVnu9uWuqPArQkhuu1bdle5oEZkJSea2R9lClhliLDNo9u1svz8Oh9MMBsfM4P18PObBuc51ru/nOuf7x+dc5/O9vgbe+8uFiBSIa1B4UYcgIiIixZyxqAMQEREREbmeKMEWEREREfEhJdgiIiIiIj6kBFtERERExIeUYIuIiIiI+JASbBERERERH1KCLSIiIiLiQ0qwRURERER8SAm2iIiIiIgPFWm...
null
[ "iVBORw0KGgoAAAANSUhEUgAABRQAAAFsCAYAAAC92DVXAACPA0lEQVR4nOzdd3zT1f7H8VdG0z0olLL33sPLhgJaBctG5HIF7dWL48rVu/S6/TnAcRW9CqjoVa7iAi0qCi5QENAiq1AKllH2aIEOupJm/P6oDcS2NEBp2vJ+Ph5cmpPz/ebzTSI3fecMA+BCREREREQqhcvl4pgNdufDaQfY9WlbREREajizAUJN0DYIoi1gQIGiiIiIiEilOWZ1sT7H11WIiIiIXBp9w8Ds6yJERERERGqTXfnFfze0QPvg4m/zRURERGqy0w7...
1
math
grade-4
estimate-angle-measurements
false
true
What is the measure of this angle? Choose the best estimate.
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAAvCAYAAADZ272NAAAHUElEQVR4nO3df0zU9x3H8dfBAcoPwR9FiL+o1k5rRLM1Y5Wlrl29NpuritjVqQjiRHEWsNqggtJihVRkIqk/sEpb3aKzQzvn5tq6WFMVE9KCDgu1WBSYw6oB+WHFw9sfW0hcU6MO+Nxxz8efd398n3++8877vmdxOBwOAQAAAOgUHqYDnFVjc4OKT39sOgMAAAAuxmo6wKTyqlI1tTSquOyoJOlk2VG13GjWmXMlkqS4aUn6UfhEg4UAAABwNRZ3PREZZrPc9fuHBz2...
[ "60Β°", "30Β°", "90Β°", "135Β°" ]
null
1
math
grade-7
front-side-and-top-view
true
true
If you look at this object from the top, what will you see?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEDCAYAAAAPwnN0AABN0klEQVR4nO3df1zV9f3//xvh7/g1tAy0gYv8tZE5kBp9vl/gvV0+WZ+Y8J67bNJ7/tgK1nuZINind5tw0NV7m6CY9XXQNtHeQnvPksK34fu9xWF7S0aQFGXS8O0hBUQRDxwFf4B8/zieV2pqKAfOOXi//rMg4Dyoebncz7P76/nw6uvr60NERERERJziFlcPICIiIiIynChgi4iIiIg4kQK2iIiIiIgTKWCLiIiIiDiRArYMmNVqZcmSJXh5eZGdnY3VanX1SCIiIiI...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA1AAAAEDCAYAAAA7nuVBAABW4UlEQVR4nO3dfVTU97n3+zcBn3kqYhTUDjZEjSkaCpKU3GcDu113TE6o0G3XjuOuD20izd0YUTEnO9nCgE3vtoKiJieFphXNFpJTWzB4+7B3E4Z2hyhCJJJaSXA7BAFRxIFREAU5f4xMTWsi6sAw+HmtlRUHh9/vGolr/T75Xt/r69Hb29uLiIiIiIg4hYeHh6tLkAF0j6sLEBERERERcRcKUCIiIiIiIv2kACUiIiIiItJPClAiIiIiIiL9pAAld8xqtbJs2TI...
1
science
grade-5
predict-temperature-changes
true
true
Two identical blocks are heated to different temperatures. The blocks are placed so that they touch, and heat begins to flow between the blocks. The pair of blocks is insulated, so no energy escapes. Later, the temperature of each block is measured again. Which pair of temperatures is possible?
"iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAWiklEQVR4nO3de3wdZZ3H8c8zM+fk5H5pkzS9Unqh2kKhLVTQBRYUXivrBZXdF6IsoKDo6sKKKLpy8b5e1uuqq4L7YkX3ta9VxJeKy7oKSpEW2tLS0hR6Ib3QNkmb68nJOXN59o/nZNL0pG3SnmQmye/9T3Nm5sw86XPynZnfPGdGaa01QggBWFE3QAgRHxIIQoiQBIIQIiSBIIQISSAIIUISCEKIkASCECIkgSCECEkgCCFCEghCiJAEghAiJIEghAhJIAghQhIIQoi...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAf3ElEQVR4nO3deZgcV3nv8e+pqu7ZFy0zI9mWZSFZNlh4X7DhAbMEP8HXCWbJfcDE1ziYBEO4GAjrE2MgBC6EEMIOsUl8IcnDDQGzhFySS9hksIy8ykiyJcsjS7I0i2btWbq76tw/Ts+mHkkjqaequuf3+afVVdVVp3Vq3n6r6q1TBrCIiADWWg7mYdcYjIRQVHQQkQoJDLT4cHYjdGXBoAREREoOTlq2DCfdChGpdVe0QpB0I0QkPZ4Yc6+rs3BOkztaERGphJE...
2
math
kindergarten
represent-numbers-with-shapes-up-to-3
true
false
Which group has 1 triangle?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAE00lEQVR4nO3cv08bdxzG8ccYMqSkUdUoVeeq7Vi1QzNX6tR/LYqUiU5JJpYokEh0iIewgVAEExIoDVhWEMIVEpawsYJ/3HU4EREI9p254+6x36+J48D6DG9Ox919rxSGYVjvSDttqdmXeqGAwpkuSXfK0o+3pe9uSaX6aRi+Pc57LCC+B19L0+/b0cb3t6Sfv4qqBoqm2ZfenUgHHenftjR13It2EC2K7E45alSSWn1pqn9uB1BkZ412Q2kq31GA0RAuLBEuLBE...
0
science
grade-3
natural-resources
true
false
Which of these pictures shows a natural resource?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAEAAElEQVR4nOz9WbNlWXadiX2r3Xuf9nbuHhGZGQmAQIIFoEiVUV1JRcr0ItM/kOlZMr3o5+kXyFRmZTKZVKRYBZJlBJBNZHTufpvT7Ga1epjrnOuRSJBgQvWW2+LGvX6bc/bZZ+255hxzjDHV/+ul1j9dw9bw++P3x++P3x+/P/7/eBwz/LszfBPg1sJ/dSPf178Pur8/fn/8/vj98T/OsTXwp2v5+pRfv69/H3R/f/z++P3x++N/vOMSY2N9/Z79bb/4f/o//B8...
1
math
kindergarten
subtraction-sentences-up-to-10-what-does-the-model-show
false
true
Which subtraction sentence does the picture show?
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAAyCAYAAAC+jCIaAAARI0lEQVR4nO2cWXAc13mFv9vd07OB2EESBMAFXERSlLiKNknZ2iIqcklWZDLlVOQoqji2K04lcRL7IZXkxZWHVDmxKqmK4lTimJGtUjm2I9uUrGiLLWuhBNLcCYIkVgIgMMAMMPvSy715GCwEMVhIgKQGxnmZmZ7b3f/pc/r+9/69CKWUYhGLmGdotzuARSxMLBprETcFi8ZaxE3BgjfWxdaO2x3CJNxITMXGw7iFcdxyHHrhRxxpOs6e3Tt45qkDtzsc4MZiKkYeC7b...
[ "4 βˆ’ 3 = 1", "3 βˆ’ 3 = 0", "4 βˆ’ 1 = 3", "3 βˆ’ 2 = 1" ]
null
3
math
pre-k
are-there-enough
false
true
Are there enough carrot noses for every snowman?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAAA270lEQVR4nO3dd5hdV33u8e/ap58zvUiakUYz0qhXS7IMrgq4YEqCIcEQmg0h9wkkmOTayU2eEBxyeXIhCSUhARIMoV+uwcYO2MG4hGIryEWyJVm9TJNG09vpZa/7x5FGM5qRNCMdSVPez/MYz5x99jprz+/h2a/XWXstY621iIiIiIhIQThXugMiIiIiIjOJAraIiIiISAEpYIuIiIiIFJACtoiIiIhIASlgi4iIiIgUkAK2iIiIiEgBKWCLiIiIiBSQAraIiIiISAE...
[ "yes", "no" ]
null
0
math
grade-7
model-and-solve-equations-using-algebra-tiles
false
true
Which equation does this set of algebra tiles represent?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAAJk0lEQVR4nO3dT2iU6QHH8d87M2msk2yyzWb8l2pVpE3cLU3aRLCoi1TotqcyFrYg9iJFKKGHxou1hKSg9eYlhwXbW2GVDZ5soRJotFQai+5uMekStRl2TcaZtCnRiRHzvk8PWkEi7EzzvG/e98n3A16G8H5fn4u/jJk3njHGCAAAAIAVqdW+AQAAAMAlDGwAAADAIgY2AAAAYBEDGwAAALCIgQ0AAABYxMAGAAAALMqs9g0AiI5fGpapTFi/rpdtVzqXpxdyDwCQDN7...
[ "6x+6=18", "2x+6=20", "6x+6=12", "2x+6=12" ]
null
2
math
grade-8
nets-of-three-dimensional-figures
true
true
Which net will make this figure?
"iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAIaklEQVR4nO2dXUxUVx7Af4igrgszqbGtlK+0VRQYuFUU+VAHNRGXRsZErdFswLTd3boPDA/7sDEauslmzW7dHV/UZN0Wmy1ZjInULMYuW7gGilZoepGPoq4uDErdarozIFiZuTP7MDLFLSrZ3jsc3fN7mTsf+f/Pub855557z809UcFgMIhEGGZMdwEkDyKFCIYUIhhSiGDMnO4CPAxN0/B6vaiqisfjQdM0gAe2H4eiKFit1ge27XY7FosFRVFMKff3JUqEUVZfXx9...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAUIAAADlCAYAAAAmw/5+AAAaVElEQVR4nO3df3DU9b3v8WckoU1K2IVSEFASjsoPDbBpFSsKWSo9aj2YZaagY+deNp7TE46dmmTmeqHe6THeztVwb71s9I6Vaa9Z7sxxipwZNnD8dQDZAMUe8Zi1oBJQu4kiggx8k2hS2d3s/WPzXcBDrWR/fDff7+vxz5dE/X7fH8O+8v58v5/v91sEJJGCkUwm+fgsvDsA/QmI66cjknXFRVA+Bq4pgyljoQgFYUH5+PMkr/VZXYWIc9w4HoqtLkIudHQgtZ0...
0
math
algebra-1
identify-linear-quadratic-and-exponential-functions-from-tables
false
true
Is this function linear, quadratic, or exponential?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAmA0lEQVR4nO3de1TVZaL/8Q9bLmogKIqagaA1ghiKqaiorFMK1hynizfEIM28rrTpTKGHlIxRc0IbwZaajvljAsX7aMXx0oXyZJCVlh7RxgSJNCGRAfZI4IbfHy73OQyKlg8C9X6ttdeS7+X5Pt/915uvz944nIjKr1EzcOfSdjo7r7ixp9HoeqR5N/YUAAAAUA9LY08AAAAA+CUhsAEAAACDCGwAAADAIAIbAAAAMIjABgAAAAwisAEAAACDCGwAAADAIAIbAAAAMIj...
[ "quadratic", "linear", "exponential" ]
null
1
math
grade-1
comparing-review
true
false
Which group has more?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAdoAAABeCAYAAACEstXVAAAGnklEQVR4nO3dv2/U9x3H8bd9BoxrNyi2aoHZohqGql6QQrfaO5kyxQpd+we0axFZi9S/oUhmYiK7r2MUpYM78aNsmIDiqxBHDkN9ug5XS5y5O9+Pz+e+X1uPx0KA6PP5Ps/DyzYGT7VardaL9xH/bkTUmxEHrQAARjQzFbFQifj1XMTy2YipF+9are9fF/1YAHD6fP7LiJknjfZPLp6NuPKL9goDAKOpNyMe/Rzx4/uIx42I6dcH7d8wsgAwvoVKe1MjIt40I6a...
0
math
kindergarten
triangles
true
false
Which shape is a triangle?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACJCAYAAADUvSEiAAACSklEQVR4nO3Uu25USRRA0dNttwOGRwbiA5hJyfgfPowPIiLlkWNS21jCuHUnuEIid2s3ataKqlTS0Qm2arMsy3J5N/PlduZ6P3O/DDzY+WbmydnMq0czLy5mNpc/luX91bHX4pS9eTpz/vl2vby8mPnvn7VCeKjr/czH7zNf72Y+3c5sr+7XB5FxSE/O1qZmZm72M9v9bw9wSL+a+rnMbI+7Cn8LoZEQGgmhkRAaCaGREBoJoZEQGgmhkRAaCaGREBoJoZEQGgm...
1
science
grade-4
animal-adaptations-beaks-mouths-and-necks
true
true
Marmots eat plant matter, such as leaves, stems, and seeds. They eat by biting off small pieces at a time, or gnawing. The marmot's mouth is adapted for gnawing. Which animal's mouth is also adapted for gnawing?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydeZwcVbmwn1NLV+89+0wm+0JIQiAhBkGUYEB2LgpENhUFRBQBBUVw5Qpe0IuKiohR9LKqCILgJ1zDokBADIQQAgSy77PP9L7Udr4/qruZmUySSZgY4Nbz+9X01NKnTp1zqvo9b72LkFJK27ZxXRcfHx8fHx8fHx8fn3cniqKgaRrCsizpC/c+Pj4+Pj4+Pj4+734URUHxhXsfHx8fHx8fHx+f9wau66Ls60r4+Pj4+Pj4+Pj4+IwcvoDv4+Pj4+Pj4+P...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebwlVXnu/33fVVV77zP33HQ3M7aCKEMgIgoKjqghCqigxohznDVyNf4Sc5VcTS5GvTFGUa8BlSTGWW/0ikOuisYgo0zaIDTQc/c5feY9VK31/v5YtXefng/Q2Grq+Xx2nz1WrV1Vu7qe9Tzv84qZWVEUhBCoUKFChQoVKlSoUKHCbydUlSRJEJGDPZQKFX4noRVxrlChQoUKFSpUqFDhtx8hBIqiONjDqFDhdxZaEecKFSpUqFChQoUKFX43UF3...
1
math
grade-3
identify-two-dimensional-shapes
false
true
What shape is this?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAACxCAYAAAD+t8q+AAAOnElEQVR4nO3dy24UW5YG4FWtlvoN+g3qOfr9LMsSDKyWYOQhoyOdCbK52JQtkQMjHyFINcayhd3tlI7NgbxnREZGD1wlKAoOvkRmxuX7hmDBNiTijx1r//sveZ7nAQAAFOLflr0AAACoEwEbAAAKJGADAECBBGwAACiQgA0AAAUSsAEAoEACNgAAFEjABgCAAgnYAABQIAH7FpIs4r//NohR6hJMAAD+mYB9C63jJF7/bxqrW7246M+WvRwAAEpEwL6hPCK2340jIqL...
[ "triangle", "hexagon" ]
null
0
math
pre-k
different
true
false
Which is different?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAEjElEQVR4nO3cQU8bVxTF8WMbiJSSVtm0qpRVpbYfIepnpg6RYEGyIN1YaqLUuEZxoJTEQo3sSjVUtjN47Jl5XUyoWrXwgNh+991zfztkCY/0Z4yPNZ6Kc871p8CvCTDKgczBKLJSAe7VgK/vAl+sAZV+6tyLYejDMsvw8FNg5Sgpf/hyDfj2k/KvwegxyoHD90BvCvySANVhVj5gsXW6VyvbAsA4B6r5Px4wOl20nTmgGvZQzLJZcDIWnIwFJ2PByVhwMhacjAU...
3
math
kindergarten
flat-and-solid-shapes
true
false
Which shape is flat?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAK6klEQVR4nO3dXYxUdxnH8d/Mzr6EZdmAW5Elq3YrgrxV3harLb6AYsAiNdIqvdEL44XRRG/U1CYktUZvNCZ6od54I74QK5SKIpBgW9N0KwgsrCCVKrVAIy1hl90s+zZenIwMA8vOzDkzz/n//9/PVWG3uw90fz1z5v88z8nk8/n8pVHp5WFpcEIazwtAjeQyUluDtGCGNLdJyly6ns/3DliXBYRn7Swpd3Y4+sW8Jmlha5ROALUxOCGdGZIujkr/GJayA+PRBwg...
0
math
pre-k
count-scattered-shapes-up-to-10
false
true
How many shapes are there?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAFbCAYAAACgQvo+AAATyklEQVR4nO3dv3LVSNrA4dZXHmwcL0R2yGziO9q72BoCroCAqe8eJtg7crJFaEewsbHBVdrAqzGDOT5/1FJ3v/08FzB01duSftOgo2EcxzEBAAAh/F/pBQAAAPkIfAAACETgAwBAIAIfAAACEfgAABCIwAcAgEAEPgAABCLwAQAgEIEPAACBCHwAAAjkqPQCAOjbl49f09X7T2m8G0sv5VnD8ZDO371OL9+8KL0UgGc5wQegmFbiPqWUxrsxXb3/lL58/Fp6KQDPEvg...
[ "7", "3", "10", "2" ]
null
0
math
kindergarten
count-sides
true
false
Which shape has 4 sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACdklEQVR4nO3UO4pUURRA0VPVn8BvphgZqUNwSIIDEpySM/CTGNmm3dpg28UzeAjmdu3Cdq3oXi4cTrC5m2VZlrOrmU+XMxe7metl4K8db2buH808uzPz+HRmc/ZjWd6dH3otbrOXD2aOP16ulyenMy/urhXC37rYzbz/PvPlaubD5cz2/Hp9EBk36f7R2tTMzLfdzHb3xwPcpN9N/Vxmtoddhf+F0EgIjYTQSAiNhNBICI2E0EgIjYTQSAiNhNBICI2E0EgIjYT...
0
science
grade-8
use-scientific-names-to-classify-organisms
true
true
This organism is a marbled salamander. Its scientific name is Ambystoma opacum. Select the organism in the same genus as the marbled salamander.
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOzdebwlRX3w/08tvZ393HPvnZk7Mywzw7AjyCKKEhGNiIS44ELUoLgkRqNoBBGTGGIecUXc4oIPInENxjyoT/xJ0CBBwJF9QASBYRhmvfvZeq2q3x833MeBAQFHk5B+v17zes05p7u6urpu97erq6qFc84VRYG1llKpVCqVSqVSqfTfk5QSrTUiz3NXBvelUqlUKpVKpdJ/f1JKZBncl0qlUqlUKpVKTw7WWuR/diZKpVKpVCqVSqXS7lMG+KVSqVQqlUq...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOy9ebhlV13m/1nDHs54xxpSQ4bKSAhDJGEmTTogASONEBmEFgxoO6ACEsb2R0d8RAUjgihTMwk2iEMDdtMiKGCAEBJiDIOEkLkqlZrucKY9rbV+f6y9z3CrklRCCRr2W8996t6zp7XX3vfc8+73/b5f4ZxzRVFgraVGjRo1atSoUaNGjRr/MSGlRGuNEOKHPZQaNe4VsiahNWrUqFGjRo0aNWr8x4e1lqIoftjDqFHjqKBrElqjRo0aNWrUqFGjxgM...
1
math
grade-8
compare-linear-functions-graphs-and-equations
false
true
Function A and Function B are linear functions. Which statement is true?
"iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABP0klEQVR4nO3de3xT9f0/8FeSJk2atrQUUgot0KJFtIWiYIuKDBQB8S6XqVPGb8q++4pTJ25Ov8PL5mVO5y6iDryizgtj47Ypm0UElcLcBItCnaSFltoUSkObntzz+f3BEltom6TnNCdJX8/HwweSc/rOO+k7H955n5MTjRBCgIiIiChJaNVOgIiIiEhJbG6IiIgoqbC5ISIioqQSUXMzZMgQaDSaHv/bvXt3P6cZuZdffhkajQZlZWUxv+8PPvgg9JycffbZMb9/Ior...
[ "The y-intercept of Function A is less than the y-intercept of Function B.", "The y-intercept of Function A is greater than the y-intercept of Function B." ]
null
0
math
grade-8
identify-reflections-rotations-and-translations
false
true
Look at this shape: Which image shows a rotation?
"iVBORw0KGgoAAAANSUhEUgAABbAAAAC3CAYAAADD5XikAAAZ2UlEQVR4nO3da4xVhbk38AdmkMuIBcXBvZEjBzznUAVL3VbfWG9VSzVt31RPbW3TtCaN1NimeNoPvXDelDbvl8b0VD+08WDS2sZTw5uItbQ2XtJoNSqFpWhhIngD0bWPA3IpVw8z8H6Yzgg4KJe19tpr798vIe49LJ71ZGfPcvGfh2ePiIj9AQAAZGL/frfXAACQlZFFNwAAAAAAAMMRYAMAAAAA0JQE2AAAAAAANCUBNgAAAAAATUmADQAAAABAUxJgAwAAAADQlAT...
[ "A", "B", "C" ]
null
2
math
grade-4
interpret-bar-graphs
true
true
As part of a project for health class, Bernie surveyed local delis about the kinds of sandwiches sold. Which bar graph shows the same data?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAACeCAYAAAAITX1dAABGI0lEQVR4nO3dd3hTZfvA8W+SJk3TpnvQUkYZZViGgCBblvBShqCgoiiibARRXOBCFLDg62IJKiI/RRFUVnkBJwKCgqIsQSgFWujeadPM3x+hgdAWWogUyv25rl6Qc57znOecnCT3ec59nqPYErnTjhBCCCGuWK/T7au6CUKI64iyqhsghBBCCCFEdSIBthBCCCGEEG4kAbYQQgghhBBuJAG2EEIIIYQQbiQBthBCCCGEEG4kAbYQQgghhBBuJAG2EEIIIYQQbiQBthB...
null
[ "iVBORw0KGgoAAAANSUhEUgAABToAAAF7CAYAAADynzQXAACrk0lEQVR4nOzdd3gU5drH8e9ukk3vCUkogdAJJQJK79IEFUER7IgNEEWO5ViO+lpARcUG4rF3KRpUNIoFpB6itNCbhFBCEtJ7NlveP2IWliQQIBACv891ccHOPDNzz2Qy7N57P89jAOyIiIiIiEiNsNvtpJhhTyHkWcGid9siIiIiZ4WrAXxdoIUXhJnAgBKdIiIiIiI1JqXEzp+5tR2FiIiIyMWlqx+41nYQIiIiIiIXkt2FZX9HmKCVd1mVgYiIiIjUvDwr7Cy...
0
technology
grade
logo
false
true
This is (part of) a (former) logo of which computer related brand?
"iVBORw0KGgoAAAANSUhEUgAAASwAAAEsCAYAAAB5fY51AAANhUlEQVR4nO3dzY9V533A8ecApYhgede59w7MnRnjRK3U1lL/h1byogoDjGtnF2WT2G4M2MbYTtyo3Vgq80Z4s7KqF/kHsoii5C+IsmiNcWwl2SZ47r1xnEURUE4Xw2XAhpn7ct6ecz6f9TA8ktHX9zy/+zwn+dUvrweAGOwpewEAoxIsIBqCBURDsIBoCBYQDcECoiFYQDQEC4jGvnH/QJqm6a8/vhY++9Mfw949e/NYE9BAzzzzD2H/XxxIdvqZsYOVJEly+/b/pW+...
[ "ASRock", "AMD", "Dell", "Xerox" ]
null
1
math
grade-1
which-bar-graph-is-correct
true
false
Luna went into the family garage and saw eight screwdrivers, nine flashlights, and five pairs of scissors. She made a bar graph of the items she saw. Which is her bar graph?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAcgAAAEOCAYAAAANEIdDAABPM0lEQVR4nO3dd3Rb9f3/8afu0LQs73gldvYiZO8QCAmEkQAlYXVQymogNEDZLVBKgUL5lV1WStmUQqEU+DILBBKaAUmADBKyHSd2PGVL1rxX9/eHwUBxEmdJHu/HORwsS/fe91Vsvfy59zNslmVZlTHYGIKACYaFEEII0aVoNvCq0NcN3ezN37NVRi1rWWNqCxNCCCHai7HpkGcHbUOo+RsFdujvaU5QIYQQoisJmLC+CSpi8FWoOSCVRqP5SQlHIYQQXZVXbc5...
1
math
algebra-2
graphs-of-angles
true
false
Which of the following shows a πœ‹ radian angle in standard position?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAANwAAADcCAYAAAAbWs+BAAAI7klEQVR4nO3cXWhU+RnH8d/JJCab6ETBjLQmRrHO2iqn3W5QWogtiwy0oLmJlxI0VukqgheCSGOELQqCN22vhFDYu4Ug8eXCNUVoBiwoCzqyVEeDO1lBk9gmk2g20YmnF9PJJpqXTcw8Jyf5fm4m80L+D5IvT+Zk0PE8z3v2Sno0JA2OShlPAOZJoSOtCEmbSqU1yyTn2Yjn3Rrweyxg8dselgofDmXv/GiZ9GFZtkYA82NwVHrwUnr6SkoOSQUDmewTxAbMvxW...
1
math
grade-8
identify-lines-of-best-fit
true
false
Which graph shows the line of best fit for the data?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAWYAAAFtCAYAAAA04cDVAABI4ElEQVR4nO3de3yT9d34/1eSJm3TU0rbtPSQIiogCogKyBQUneJUVNB5+Mnt/Lnb061jX+dkirrHPUE8TZ3euimbzDn3nbdMVFAZczipA0VArICcFKEn2vSUJmnOyfX9Iz1ybEtyXUn7fj4e0CZN8n6n+fSdK5/rc9ApiqLUB+AbD7jCEFIQQgihohQdZBngZDMUmkBX71eUz51apyWEEAJgSjak7PFELww3weiMaNUWQgihHlcYdrXDgQDs9oDeGYr+QIqyEEJ...
3
math
calculus
identify-functions
true
false
Which of these relations is a function?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAeZ0lEQVR4nO3de2xU150H8O+MH2PP+AWpBxKaOC4kWI7BZsEPllVkR6paN6YR1QZ3qwUtViOFLmilhQq00jopbqKQgrRSTNOqUpwaVVtHVZZdBpENqwzaVdYPwjIOdmpI6JjQNGbcwIztGc/YHt/94zLXc/0C23Pn3nPn+/kHezy+czDjL+ece875WSRJkoYmgM9CwGgUmJJARGRo6RYgNw14wg6syQQsQxFJ6hnRu1lERMtTnQekfxqSP3k4E9jokFOOiMjIRqP...
0
math
grade-7
describe-a-sequence-of-transformations
false
true
What combination of transformations is shown below?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AAAqJ0lEQVR4nO3dd3yUVfr38e9kAklISCgCzpAYCUgRpAUQRYMoyAqILKAIrojIKoKsCCIIIrr2BqwKgiIusq6F4o++8iBIlRaU3snGwISAlISE1Jl5/giJZQVSTuYmyef9D2Tmvs91EcJrvnM4c47N6/V6BQAAAMAIP6sbAAAAAMqS3wTsxMREnzdAzbJV06q61CxbNa2sCwBAcdnylogkJibK5XJZ3Q8AyOl0yuVyKTo62upWAAAoNP+83zgcDkte0GJjY6lZhmpaVZe...
[ "reflection, then translation", "translation, then rotation", "reflection, then rotation", "translation, then reflection" ]
null
3
math
pre-k
one-more-with-pictures-up-to-10
true
true
Count the dots in this group. Which group has one more than the group you counted?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAWQ0lEQVR4nO3d+3Ncdf3H8fcmm+zapA1NL4wFrCWmXMYLijM4olZEmfE2YpHbePnrUEfBGeodoZUKWvyqKDjVQluKKJRekjTtJt3Nbb8/QLUi4m762d1zeTxmOv0l2T2vznT2mZOzZyvtdrsdAABAEkODPgAAACgSgQ0AAAkJbAAASEhgAwBAQgIbAAASEtgAAJCQwAYAgIQENgAAJCSwAQAgIYENAAAJCWwAAEhIYAMAQEICGwAAEhLYAACQkMAGAICEBDYAACQksAE...
null
[ "iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAAwx0lEQVR4nO3d+3NU553n8U9f1N1ILbWQBMTEIERbwrhIhgyuhQ3E+BrXOMnEa49vqdR4arOZnWRqUzv/zM5UqjbOOoknjr1VOLYTfOFmY2M78Y2sxoCQZTDmonuLbtHd6lbvD0KOgw3qVp/u85zneb+qKFUZqft5Y6HifM9zzglJqggAAACAJyqVis4XpZOz0sWyVOJf2wCwLNGQ1B6R+lulNTEpJAYYAAAAgGfOFyp6a8bvVQCAXbZ3SFG/FwEAAADYZGh24eN...
1
math
grade-2
choose-the-appropriate-measuring-tool
true
false
Which tool would you use to find out how long you have been waiting in line?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJYAAACoCAYAAAACcRc/AAAbRUlEQVR4nO2deXBUZd6on3M6S+8EstEJZEETAYEIkUVQ1FHBQeRaLuPHMJTK943jrRkv1xqnxtKZqtnUqRF0VBQVAUFBwbogcRlUBFFBwiKEgFkIWSEdsqeXQEj6vPePk3TSgCJKp7vD+1RZxz683ecc6uH3/t71KEIIUXcaytrB7YMugURywUQpYDNAlhmSY0Cp6xBityvUtyUZSEy2Q9SRdv2DIwausOjWSSQXitsHJV5wnobSdlBdXfofSKkkPwWbQXcIwOM...
3
math
precalculus
find-limits-at-vertical-asymptotes-using-graphs
false
true
The graph shows f(x). The dashed line is a vertical asymptote.
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AAB3DklEQVR4nO39e1yU9503/r/mPMMZQYFgQI0RgwGNRqNGo2lsY2ObVrtZ027aptvt3fbuafe7u3e7vXv3971bN9/e29N2N81mD7mT9E7vZmObtomGGBOJGojBoKLgCYkiiBwGhmEO11zXXIffH8MgKMg1cF0MMK/n45EHYeaaFx8umWve85nPwaJpmgYiIiIiIjKENdkNICIiIiKaTVhgExEREREZiAU2EREREZGBWGATpZADBw5gwYIF2LZtW7KbQkRENGtZOMmRKHV...
[ "$\\lim _{x \\rightarrow-7^{+}} f(x)=-\\infty$", "$\\lim _{x \\rightarrow-7^{+}} f(x)=\\infty$" ]
null
0
math
grade-1
compare-sides-and-corners
true
false
Which shape has fewer sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAIvUlEQVR4nO3dzW8UyR2H8V91M3hssMfmECtXLCdCHBCXRexl4bC7yptC8lfmFqJks2I5QC6slgvisEIbh70GSxGe8cB4jOmuHHqM7LbH0y9VXdXVz+e0xuy4kB5Qf6fHY6W11m8+iPxnIjJORD5qAVrrkhJZjUW2V0Q2L4uoN4daP993fSzAvDtrIpd2JtkHv7ws8usrWf1AW40TkZ/ei/z3g8i/JyLR/sfsE8SNEKzGWcsiIu8SkSg58QkgBMctH2mRyO1RALs...
0
math
grade-5
multiplication-input-output-tables-find-the-rule
false
true
What is the rule for this input/output table?
"iVBORw0KGgoAAAANSUhEUgAAAFgAAAB/CAYAAABrPAW6AAAJsklEQVR4nO2df0yU5x3AP6fWulYmCoJliHeCoYYT7ZxjUErqjxZQxIxOrQGjm4V0aiz95RrUTlQSf8S2RqcjWkTHap3GGVe4K5kzJjp/RLJ0aEgdQgcF5VQKzCuzWN79cd6xK3Q9vOeLQ59PQt57n/e97/fLhycvz3vvw4PJWBdr0B9Y9if4zez7XUXvWPMJA+53DQ86WrAwWrAwWrAwWrAwWrAwWrAwWrAwWrAwWrAwg/x6d8ZGGDkOCl9QVI4iBj8Gzy6DMZNhRAQ...
[ "Γ— 3", "Γ— 8", "Γ— 7", "Γ— 5" ]
null
3
technology
grade
parts
false
true
What kind of computer component do you see here?
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAEKCAYAAABaND37AAEAAElEQVR4nOy9d5idV3Uu/p7e+5l2ps9oJI1m1CXLkmXJBdsybmAbQvDFxOQ6l1+AC7nAk+QGTCBcIJTYQDDGmNBsGYiLcMOy3Kua1euMptfTey/f74+jtbTPpzMaGVtuzHqeeWbm1K/svfba73rXuxSSJEmYszmbs3Nis00vhUJxTt8/Z+9OU77TBzBnczZnc/aXZnOOd87mbM7m7G029Tt9AHM2Z2eyd/tW+80idXNI31+mzUW8czZnczZnb7PNRbxz9q6293rEO5c...
[ "SCSI Cable", "Hard Disk Drive", "CPU Socket", "Heat Sink" ]
null
1
math
algebra-2
describe-linear-and-exponential-growth-and-decay
false
true
How does g(x) change over the interval from x=2 to x=5?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAByTUlEQVR4nO39e1wUd54v/r+a7uYOgoCAGPBOAoLRRA0qEcRcJreNZmbM5DEzm4yay879sWdn57c7Zx5nZ3OyeXx3LjvZJDtnzs54STKTEyfqRA06JhpBnIiioqBJCFEuKpcGuulLdVdXV/3+aJpIvNCt9aG74fX8xwdN15u3Vd1V735RVBk0TdNARERERES6iAl3A0RERERE4wkHbCIiIiIiHXHAJiIiIiLSEQdsIgrahx9+iLvuugter/eq33/77bfx8MMPj3FXRER...
[ "g(x) increases by 6", "g(x) increases by 600%", "g(x) increases by a factor of 6", "g(x) decreases by 6" ]
null
0
math
grade-2
certain-probable-unlikely-and-impossible
false
true
If you select a marble without looking, how likely is it that you will pick a black one?
"iVBORw0KGgoAAAANSUhEUgAAALEAAAB2CAYAAACHxHLJAAAuh0lEQVR4nO2de3Rc1X3vP/vMSKOH9bZkWTK2kezYBgwG27wCorwMBO4lQIsJgabJzS3EaVdK3N6V3DxuSIFi0gW5aZOmaZo0BBJuwQFnpSWQQLFNErBxsImxediyjS3Jsp6W5j3n7H3/2Ps8RpJBsjQjCfRd9jo6Z87MnPOb7/n+HvsllFKKGcxgGsOa7AuYwQzGixkSz2DaIzzZF/BuaIt1safvIJ2JPjpiPRxN9HI8HaOuuJI5xVXMLamhvqSG5dVNVEXKJvtyZzB...
[ "certain", "unlikely", "impossible", "probable" ]
null
1
math
pre-k
pennies-nickels-dimes-and-quarters
false
true
Which coin is this?
"iVBORw0KGgoAAAANSUhEUgAAAKsAAACrCAYAAAAZ6GwZAABiJUlEQVR4nO19XUhbabf/b8rBCMEYEwQ/YnDCKKGOMR1QhLSgGEo6rRehpTpvy7RwpvJKKWUYpjTQi14UIh2GQYYi2DlQh/aMliletD31XyIWbKAonMb4pgR9iTkxfoAYt5GA8UL/F5m1fPbOjtqv6cfMglI1yc7ez157PWv91m+t9cnW1hb+lpeXzc3NrX379n1CPwOAJEnQ6/WQJInfl0ql+GetVgu9Xg/63N/ycvIf7/oEPgTZ3NzcIgVMJBJYWFjA2toaCgoKtgB...
[ "dime", "nickel", "quarter", "penny" ]
null
1
engineer
grade-8
laboratory-safety-equipment
true
false
Select the fire extinguisher.
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAAja0lEQVR4nO3de3gcZ30v8O9vZnellSVblmznQi52osaSd3fkZCGJkhScBsIlhQCpHnKhEM5pSMPD6dOnUCgUKIWWUiiHkvO0XMoJkCcFDj5QLoWUBqhIgRQOItZeYhMc4oCDjZF1W0nWXub9nT+0sxmNpdVtd9+Z3d/nefxo3tFI+u56fzuzM++8LyCEEEIIIYQQQgghhBBCCCGEEEIIIUQLId0BRP0kk8mOycnJF9m2/QoiuqxUKnUAaCt/Ox8KhWaZORsOhw9...
1
engineer
grade-7
identify-control-and-experimental-groups
false
true
In this experiment, which were part of an experimental group? The passage below describes an experiment. Dana baked bread for a bakery. She stored her bread in clear bins in the back of the bakery, but she sometimes found mold growing on the bread. Dana wondered if less mold would grow if she stored her bread in dark b...
"iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz917Ijy5rnif1chIJYIjO3OKKqu3o4HI6RZjTjC5EXvJt3mSfgDflCJI28GpLT3TV9ztkiM5cCEMoFLz73gCMWVuY+1adr7yprT0MCCxEI4eH+9/+n1f/wP/wPkf/a/mv7r+2/tn9B7X/8H//HX+W8FuD/+n/7v6CUWr5USl38HUJY/s7byn2C86+2xXjGYa31xe/Ld/kjEGPEOcc8z4QQ0FpTVRVVVRFCuHrx+Rxa6y/epDGGGOPFNZXXUP5+vV+MEWP...
[ "the loaves of bread in bins covered with dark paper", "the loaves of bread in bins with no covering" ]
null
0
science
grade-3
predict-heat-flow
true
false
Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAARwAAADWCAYAAAAD8D2GAAAajUlEQVR4nO3daXAc52Hm8X/3nAAGF3HxAknxFCEeEg+RokiJUhxboiSnqMiKXLalROuNN2VnnU2tXXb2gyuVlHYTrXfj2JuU7VLiyJId0bKsw7pDiaJ4iRIpXiIo8BApgiRA3MAMMGf3fhhyTHBAckgMehrA86tSldDd03hBDB/OPD39voZt23ZLHI70Q18KkjYiInnhNaDUA3OKoc4PRkvMtnf2FnpYIjLWrSgD7+H+9BeT/DCvJJ1GIiL50JeCjyNwJg5N/WD...
1
math
grade-7
changes-in-mean-median-mode-and-range
false
true
Look at this set of 10 numbers: How would the range change if the number 68 replaced the number 47 in the set?
"iVBORw0KGgoAAAANSUhEUgAAAYkAAAAkCAYAAAB8KMY5AAALK0lEQVR4nO3daXRU5RnA8f9kJpnJMknIBiFhCVkIOwQIICjKEmQTsGrxuJ/aao/24FJ79Jwe235oj5/aY2ut9aAWqwJWPRYEBEHCImELIYQtAZJAEhLInpBlJrP0w8DQIQlzR+7ci8fn9433vkMeHp6XZ+69770Y3G63G8DhgO5ucLkAN0IIIX5sDBASAhYLmExXh9xut9vWDTabvrEJIYS4fZjNYLaAyemQBiGEEMKXzQZGE4RIgxBCCNEXuw1CnE69wxBCCHE7cjo...
[ "decrease", "no change", "increase" ]
null
2
math
pre-k
cylinders
true
false
Which shape is a cylinder?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAXTklEQVR4nO2dW3ATV5rH/7YuLbmFdTFIwpYRgcXN1hA8U/aA2arAQAKpSgK7D2EfwsA8zZKX3aqhJm9boUjt26Z2piovUJWX4ZKX8DBjQrYqS2AwVYPjMTNjzNTQZiAWCEct0KVtXbp1sfeh3W3JlmODu9Xd0vlVUcHtTuug8+vT3/n6XFrm5ubmYgXg7zlgpgyU5kAgGA5rC7DOAmxrAwJ2oCUmzs2NTOtdLAJh9exuB6wPctIPG+0AQ0tWEwhGY6YMsFnguwI...
1
math
pre-k
circles-squares-and-triangles
true
false
Which shape is a triangle?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAIoAAACFCAYAAACE0WCxAAADfklEQVR4nO3dvU5UURSG4e/MAAWCdhovQC0puQyu1dugs0TsxZaBSUAmx+KIAYz4Mednr3X2+yQmEArWXuvNVCY0bdu2F7fSt7W02kh3rQDtNNLhUvqwL73bk5qLm7Y9vSw9FiI7fi3tnK+7b97vSZ9edRUBq410di19v5W+rqXF5V33AyLBQ4fLrglJutpIi82DHwAP3Tfxs5UWZUdBFoQCC6HAQiiwEAoshAILocBCKLAQCiyEAguhwEIosBAKLIQCC6HAQii...
0
math
calculus
domain-and-range-of-exponential-and-logarithmic-functions
false
true
What is the range of this exponential function?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABuZklEQVR4nO3de3yU5Z03/s8cc04mJ5IQSAA5aDDhJCgIisWqVasFt4vtttY+bp9tn9rTPr/u01dfbXfbn+v22e1h66pr2+3jYX991q1btRUMiIpAg4JECCQghAA5ksMkM5M53uffH2EigQRmkvvKHPJ5v16+cCb3/c031z1z3d+55rqv22IYhgEiIiIiIjKFNdEJEBERERGlExbYREREREQmYoFNRERERGQiFthENEZlZSX2798/+vjs2bMoLS1Fe3t7ArMiIiJKHSy...
[ "$\\{y \\mid y<-9\\}$", "$\\{y \\mid y>-9\\}$", "$\\{y \\mid y \\geq-9\\}$", "all real numbers" ]
null
1
math
grade-3
identify-faces-of-three-dimensional-shapes
true
false
Which shape has a circle as a face?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAVzElEQVR4nO3de3BcV30H8O859+5Lu3pbD+vhR2xLNsGOQ0wS2mB3pplkoEPpTCfwR0umUyidQlsKhQJ/8B+doZ3pQAudgZTJg6QBkk4GXBqw4zTxI3ViYoKkPCw7jm1JlteS9dZK+7iP/nF31yt7byJbujq7934//9i6+9CRk+89557725+Ebdt2Mgu8vQDMmYBhg4g8ogugVgO21QBtYUAkM7Z9Ylb1sIiC5646QD+z4HyxPgz0xp10EpE35kxgMAVcygKnFwA...
1
math
algebra-1
factor-quadratics-using-algebra-tiles
true
false
Which area model represents the factorization $x^{2}+3 x+2=(x+1)(x+2) ?$
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAOMAAADICAYAAAAa5Va5AAAKEklEQVR4nO3df2zU9R3H8dd9r0eBlraxv6xSfrT8EAYIVGYEF8WIZMpiIphotjlNFs3CkhETTcz8a1skkmxqsuCPRTaXKZsbG5kDKcUfTNEgpiUstEOg0kG50h7ItVxL27vvd380NCLORb27z7t8n49/4L4X7vvucc9+vne93jcSBEHQNSQd6Zf6MlI6EIA8KIhIk6LSzIlS9Tgp0jUYBB/0uh4LCLfrS6SCw/0jF2rGSbOLRkoFkHt9GelQSooPSR/1S15veuQ...
1
math
grade-4
fractions-of-a-whole-word-problems
true
false
Liz loves tomatoes and plants them in her garden every spring. Before Liz plants the tomatoes, she divides her garden into 10 equal parts. Liz plants strawberries in 3 parts of the garden and tomatoes in 5 parts. Which model represents the fraction of the garden that Liz plants with tomatoes?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAVAAAABKCAYAAADt0gyQAAACCUlEQVR4nO3XsW7TUBiG4d9J2iG0sCAhLgCxsPcq2NhYe1ld2ZjgLjqzFNiJBFPTRmppdBisSEhAFX9qawU9zxJb9tH5pzfHXWutLa6rvq6qluuqm1YA/MWsqzqcVr2YVz3br+oWV62dno89FsBuOXpcNfuy6m+e71e9fNTXFYA/LddVZ5dV366rPq+qJuc3/QPxBLjd4bRvZVXVxbpqsv7tAQC327TyZ6uajDsKwO4SUICQgAKEBBQgJKAAIQEFCAkoQGg2dEF...
2
science
grade-8
use-punnett-squares-to-calculate-probabilities-of-offspring-types
false
true
In a group of summer squash plants, some individuals have fuzzy leaves and others have smooth leaves. In this group, the gene for the leaf texture trait has two alleles. The allele for fuzzy leaves (L) is dominant over the allele for smooth leaves (l). This Punnett square shows a cross between two summer squash plants....
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAAHuElEQVR4nO3asWrTaxjH8aeHmFPUggqOYqGSgriombwGN+kg3XT1ClzbyV5FcXDo5gU4tItgQMjgqhA61DpqC0XJmfQ4KKY16T/95fPZSl7ePvAsX95kbjgcDgsAAIjwT9MDAAAA4yPwAQAgiMAHAIAgAh8AAIIIfAAACCLwAQAgiMAHAIAgAh8AAIIIfAAACCLwAQAgiMCfUm/fvq2VlZVaWVmpFy9eND3OzLMPAOCsEPgAABBE4AMAQBCBDwAAQQQ+AAAEEfgAABB...
[ "1/4", "4/4", "3/4", "0/4" ]
null
3
math
grade-6
identify-polyhedra
false
true
Is this figure a polyhedron?
"iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAtLElEQVR4nO29fcxtV1X/+5lzrrX2fp7T89qWU0qrFApH+sL1lwI/pFyviCDYBLG21URJVP5SokZjqjQm0sQgJvzRVP1D/4LWSCRqQqmtL7WEULi/a8V7EfpCXw5gW9val3N6zuk559lrzjHuH2PMudbTU9pzaE/bm8tKnmfvvfbae681v3OM7xhjjjFWUFXl+9srZosv9wl8f9u8fR+QV9j2fUBeYVv3cp/A82133XUXd9xxBw8++CAPPPAADz74II8++ij79u3j4MG...
[ "yes", "no" ]
null
1
math
grade-4
compare-area-and-perimeter-of-two-figures
true
false
Which figure has a greater perimeter?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAKkAAACkCAYAAADsSw7xAAAJEklEQVR4nO3dX2hTdx/H8fdpTak6W6Yx5cA6cG2f6iqbIeCgxW22GaVINqiW6MAxxsp0VGmhN3ohg43BsDA2xkqH3Y3LTTcQ5+2GU9guvFq8aPBpYX/bR7EN9M/6J4me5yKPnSXig6Xp+XZ+XiBpOL+j3/x496Rpqjqe53k3MzA6BzN3IOch4qsNDmwphbpNUFUGzs1Fz7s27fdYIg/2QgVsGJnL33HLoH5zvmARP83cgRt/wX8y8O85KJnO5Q8oULFiS2m+R4D...
0
math
algebra-2
linear-functions-over-unit-intervals
false
true
How does h(x) change over the interval from x= – 3 to x= – 2?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABxpElEQVR4nO39e3hU530uft+jmdF5dD6BsAQCgy2QBBLCBoONCwZsJ67BdnGym2ynTlunOeykh7y+0uzs3fxcN+9O0r51bTd1m9pO624nfkOcGCxAGAxExAgkEEhgjIXQAXk0M9JIc15rzaz1+0MeGRkJNGI9WjPS/bkuX8mMZt36stbMM9959MxaJk3TNBARERERkS6SjC6AiIiIiGg2YYNNRERERKQjNthERERERDpig01E4zz44IN44403JvzZe++9hzvvvBOKokz...
[ "h(x) decreases by 3", "h(x) increases by 300%", "h(x) decreases by a factor of 3", "h(x) increases by 3" ]
null
0
math
pre-k
tally-marks-up-to-10
false
true
Count the tally marks. What number is shown?
"iVBORw0KGgoAAAANSUhEUgAAAGQAAABBCAYAAAAngwHRAAACCElEQVR4nO3dv07CUBTH8R/GBAYb3EQccAI3BzVuBl9AX8Awu/oCTk4+g76Am6uDuKM7ONFBopuEBSccyFWvtMVjOO1J+vssJpgmJ/mmt3+I18JkMpmAzFjKegDyJQcJO0D4mNIoBADLM5+MR8DdJdBtAx+j78+3j4CDU2B1I8Xx8qfgXUN698DtuR/ip2IAtK6AylZK4+WPv2SVgvgYwPR3N2fKI+Wb/KI+HACvXYVRCPgdpBhkNAY5fpC/Xht4DVEjX7LqzcVPQV/...
[ "5", "1", "2", "4" ]
null
1
math
pre-k
count-scattered-shapes-up-to-5
false
true
How many shapes are there?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAEZCAYAAADi0lFZAAAPIElEQVR4nO3dvW4USReA4TOWATlBXAMRiSFcEi4IS3ivBSOZC9rE+2XgxBHXYJEgwKK/AFq2FmzPT3dX1annydGWdI7Wr0ozNathGIYAAABS2Ct9AAAAYDoCHwAAEhH4AACQiMAHAIBEBD4AACQi8AEAIBGBDwAAiQh8AABIROADAEAiAh8AABIR+AAAkIjABwCARAQ+AAAkIvABACCR/dIHAGjdp88f4t3H1/H1x5fSR7nTo72DePP8fTx9/KL0UQCYkRt8gB20Evc...
[ "1", "5", "3", "2" ]
null
1
math
algebra-1
special-right-triangles
false
true
Find n.
"iVBORw0KGgoAAAANSUhEUgAAAtgAAADyCAYAAAB3e7J8AAAeaklEQVR4nO3dfWyddf3/8dfVc9pz1nMKWzfcBmzd2E1hxa66krbrlk0digl/bArkh0FcQGPwH4nxD4N/8NWgYIgGjTcJsARRyTe4qIn8YgSBNW3XNjsLXVmnZR2ODdwmtLvpOe25v75/XL1hN93OzXWd69w8H4lZ155e53OIf7x48Xl/PoZpmqYAAAAA2KLK7QUAAAAA5aQkA/bk5KS+/vWvq7GxUevXr9e9996rDz/8MK9nPv/889qxY4dNKwQAAEClMkpxi8j3v/9...
[ "16 miles", "12 miles", "$8 \\sqrt{3}$ miles", "$8 \\sqrt{2}$ miles" ]
null
2
math
grade-2
write-subtraction-sentences-to-describe-pictures-up-to-18
false
true
Which subtraction sentence does the picture show?
"iVBORw0KGgoAAAANSUhEUgAAAfQAAABkCAYAAABwx8J9AAAYUElEQVR4nO3da3Bb5Z0G8Ce2ZMtXyTfZsRTbcSw5zs0kIQJDaUJKY0gJHaiX3ZCBTXcG6Ex39kPZ6XS6053up52dLjOdbXc2wE7H020ItCRdKLT1AiWUBIPtXEjiJLaM8SV2Iim2dZePJTn7QZXsY92OpCPHOM/vk490zvu+zyTv/HWkc8675tatW7dAREREX2o5t3sARERElLmsF/SAzw/flDfb3WQdc6ws8/55+D3+2z2MjDHHysIcKwtzpCbrBf3My6cx+NaFbHe...
[ "12 βˆ’ 7 = 5", "11 βˆ’ 8 = 3", "12 βˆ’ 9 = 3", "12 βˆ’ 8 = 4" ]
null
1
math
grade-7
classify-rational-numbers-using-a-diagram
false
true
Use the diagram to help you answer the question below. Which of the following is both an integer and a whole number?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEuCAYAAAC08GWcAACH00lEQVR4nOzdd3hUdfb48ff0mfSe0EkIvUtVQEBEEFRAwIKKimV1xa67y7p21J9d1vJdu4IFBRQQVAQLvfdeQwklvcxk+sz9/XGTAaQLyZSc1/PkyTCZJGdCcufcc8/nfDSKoigIUYvk2f0cqvBR7PRT4VGwe/04vAp2j4Ldq6i3K/8duF11v8d/kvsUrB71zyhar8Gs12DWaTDrwRK4ffT9n++zVN4Xb9KSYNKQaNKSaNaSYNKSaFLfxxk1Qf6pCSGEEOJsaSTBFpG...
[ "–39", "2/3", "180", "–82" ]
null
2
math
grade-3
identify-rhombuses
false
true
Is this quadrilateral a rhombus?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAACJCAYAAAAWnk9+AAAiEklEQVR4nO3d73vTdZ7v8ec3+aZt0jZt0zahrSAqDDDKFAe3Hhx2FLc6zh51Fx1kFEYEZND1OpfXBcfLP0Dlhl5enhuzo45YEK1HD2N3ZkfPKKvXUdCZdbeuLj86MgLzY6EhTdO0aZu2+fH9nhuFtrE4iiRN074e9/ikad6F9OLVT9+f98ewbdtGRERERESywpHvAkREREREZhIFbBERERGRLFLAFhERERHJIjPfBYhMBydPnqS1tZWjR49iGAYLFixg/fr1zJ07d+x...
[ "yes", "no" ]
null
0
math
grade-3
select-figures-with-a-given-area
true
false
Which shape has an area of 11 square units? The shapes are made of unit squares.
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAKQAAADCCAYAAADHGGkGAAADrklEQVR4nO3dP25cZRTG4ff6XxES6Ai0oBAJerwE6KlYDA2shIZsIVvAPUjGiBantRNLMR5dimEkqIPnvvfz83SjKc5n6afTzfE0z/N8eZv8fpNcb5K7ObA3R1Py5DB59ih5epJMl2/n+exq6WdBcvp+cnRxs/3w8Uny/L1trbAv15vk/E3y523y201ycHW3/UKMLOHJ4ba9JHm9SQ42//oClrBr7685OVj2KfBfgqSKIKkiSKoIkiqCpIogqSJIqgiSKoKkiiC...
1
math
grade-2
find-the-next-shape-in-a-growing-pattern
true
true
What shape comes next?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAZkUlEQVR4nO3da6xlZX3H8d9a+3I25zKHDjI3FU1nwDTFK1hfDJSKDUFNsBctmCaFRI0vtJGkL6wN2LRi0vaNmqhJozZgk4oVBElmpGgNICO1wKDMIOgwFGfgMBfOmXPde697X+w5wzmc2977rMuznv39JCY4Z6+1nv/zrLXz289+1tpOkiSJAAAAAFjBLboBAAAAANJDwAcAAAAsQsAHAAAALELABwAAACxCwAcAAAAsQsAHAAAALELABwAAACxCwAcAAAAsQsAHAAA...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAeuklEQVR4nO3daYxd533f8d85d5nL4SysZA0XWXRQDmkUpReZdPOCUtlIraAFkJPUCWkUqARIgQvEhQX0RZJCctGaBpK8iQXIAorYgeQCsdxIoiKAlCo7gsiQVm2JpG2StiyKqkJSIy7i7NvZ++JyqBnNdpezPOfc7wcQIM7c+5zn/zzn3Lm/+5xzrhVFUSQAAAAAhWBZVtZdMJKddQcAAAAAIGkEHwAAAACFR/ABAAAAUHgEHwAAAACFR/ABAAAAUHgEHwAAAAC...
1
math
grade-2
select-figures-with-a-given-area
true
false
Which shape has an area of 4 square units? The shapes are made of unit squares.
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAKQAAACGCAYAAABT0SF8AAACxklEQVR4nO3cvW4cVRzG4Xf8VYR8NAiUCwCapE5BgS+A3A93ANeT0OMUNGmTJoQeI2iwE0sxXh2KkSVoQrOz80r7PM3uaKT/OdL89miqncYY4/w6+fUqudwkNyOwM0dTcu8w+eJO8vlJMp1/GOPlxdrbguTJ/eTo7dV88fAk+eqTuVbYlctN8uZ98tt18stVcnBxM98QI2u4dzi3lyTvNsnB5l83YA237f09koN1twL/JUiqCJIqgqSKIKkiSKoIkiqCpIogqSJ...
0
math
pre-k
count-sides
true
false
Which shape has 4 sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACdklEQVR4nO3Uu21UURRA0TPjT8A/AlEAUAKt0AP10AO10AGfHJMhGyxhPHoET0jkePYIs1Z0r650dIKtu1mWZTm7mvl0OXOxm7leBv7a8Wbm/tHMszszT05nNmc/luXd+aHX4jZ7+WDm+OPlenl6OvPi7loh/K2L3cz77zOfr2Y+XM5sz6/XB5Fxk+4frU3NzHzbzWx3fzzATfrd1M9lZnvYVfhfCI2E0EgIjYTQSAiNhNBICI2E0EgIjYTQSAiNhNBICI2E0Eg...
0
math
pre-k
count-corners
true
false
Which shape has 4 corners?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHv0lEQVR4nO2dz09TWRTHv6W0IlUHyjCGCAkNMLpy61IXxkRw/kkbQkJCQhyBxDCJYUNiuoENcWRhMcQWKVaKpdCWN4tSh/gLofeee+5738/GGLTc3Pt557x73n2nsSAIgsIxsFkFKk2gEYCQjumOAdfjwEQvcDMJxApHQfBq3/WwSJi5dwPoflNt/WUoCdxOtSwkpFMqTeD1Z+D9MfBvFejab7R+QMmISa7HW04BwEET6Gqe+QEhJmk7VQ+ALrdDIVGBohERKBo...
2
science
grade-3
identify-plants-and-animals
true
false
Select the animal.
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9WbBt63Xfh/2+bjZrrd2c/p7b4Da46ImGIACSIimREiVRUtQ5lBLLaRwpFenFKTlVrjjlPLgqD3FVknK5kvjBch5sl61ySTEdRYpIUZRCsROJhgQI3It7L4Dbn/7sZnVzzq/Nw/jW2hs0VAXyvDhV3MCpc+45e69mrjHHN8Z//P//ob54XspH5nBg+MOvP/z67+XXKsFrG7jr4YqFHz+Wv9d/GLh/+PXf968DAx+Zy5/X6eLv9R8G7h9+/f/D1y5...
0
math
algebra-2
solve-a-triangle
false
true
In solving this triangle, which law must you use first?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAFyCAYAAADPvK0QAAAyTUlEQVR4nO3df2xU+Xnv8c85c84cG++OnTXFxBSypnWCG7qAqdcWuLChATdKK0PSRE6gq5bVrrqoUaFXXKSK0l66rYLoLdu0WqJsIaoCKe2NBM62Sg0VFcSw9jqYH3VqWjc4guAFgjfGyNjzw3PuH8fGsPy0PTPnzMz7Ja1Gu2Y9X354eObx9/k8huu6rgAAAACkhOn3AQAAAIBcQoENAAAApNDdAvsv/uIvZBjGE//55je/6ed5AQAAgEAzHnUH+/d///e1f/9+DQ4...
[ "Law of Cosines", "Law of Sines" ]
null
0
math
grade-8
transversals-of-parallel-lines-name-angle-pairs
false
true
\line{PR} and \line{SU} are parallel lines. Which angles are vertical angles?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAg5ElEQVR4nO3df2xV9eH/8ddp5XZX0fai1ZZyKWiVyo9RLJYyu7Vd1NxGJ2Ailh+TYrKYTpRrsrnqVsGSTVm2eesGaOLkksCA6Ww7XVpnkIsiXrDFqqzirFhamejduKWKN1y47fcPPvQLQlHa057ee5+P5CZy37fv90viCS+O7/e5Rk9PT48AAAAAmCLB6gAAAABALKFgAwAAACaiYAMAAAAmomADAAAAJhr2Bdvr9aq6unpQ1+jp6dHmzZvlcrk0evRo2Ww2ZWZmasm...
[ "\\angle{STV} and \\angle{RQT}", "\\angle{STV} and \\angle{UTQ}", "\\angle{STV} and \\angle{RQO}", "\\angle{STV} and \\angle{UTV}" ]
null
1
math
algebra-1
compare-linear-functions-graphs-and-equations
false
true
Function A and Function B are linear functions. Which statement is true?
"iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABPEklEQVR4nO3dfXxT9fk//leSJk2btLQUUm5aoAULSgtFwRYRGSgConMqN/MGkd+UbR+dNxPn3YYfnUPnZOpn4nzgPepEkQnCpvi1gIBQOm+oVaEoaaGlNoXS0qQn9zm/P1hjC22T9JzmnKSv5+Pho5JzcuVKeuXdK1dOTjSiKIogIiIiihNapRMgIiIikhObGyIiIoorbG6IiIgoroTV3AwYMAAajabL//bt29fLaYbv1VdfhUajQWFhYdRv+5NPPgk+Jueee27Ub5+...
[ "The y-value of Function A when x=\n–\n1 is greater than the y-value of Function B when x=\n–\n1.", "The y-value of Function A when x=\n–\n1 is less than the y-value of Function B when x=\n–\n1." ]
null
0
science
grade-5
animal-adaptations-skins-and-body-coverings
true
true
Bearded dragons are lizards that live in the deserts of Australia. The bearded dragon is adapted to be camouflaged in a sandy desert. Which animal is also adapted to be camouflaged in a sandy desert?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydeZhkRZX2fyci7s2spaubXXZkl1UQhAFBEAERbDdQWUSBUUdEBQYBxxVRdARhFBABQZBlRB0WcXBYZEQWsQUR2T5BFBSUraG3qsq8N+Kc74+4ldMbdAEtOk6+z1NPd1Vm3hs3bsTNEyfe875iZhZjRFXpo48++uijjz766KOPPv53wjlHCAGp69r6wX0fffTRRx999NFHH33874dzDtcP7vvoo48++uijjz766OPvA6qK+2s3oo8++uijjz766KOPPvp...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9e7xt13z/jz/f7zHGnGvvfc7JTaJFQ4WgkiAoDQmpumsocb/TD6VUqFtvLk2LitJWVV0rFUqpa8vH9VNEGpHQNMHXpe6qBLmevdeac4z3+/fHe+4tJxc5khDtb70ej/NIzt5rzTXXnGPMM97j/bqIu3utFTNjiSWWWGKJJZZYYokllvifCVUl54yIXNWnssQS/yuhy8J5iSWWWGKJJZZYYokl/ufDzKi1XtWnscQS/2uhy8J5iSWWWGKJJZZYYok...
1
engineer
grade-7
identify-control-and-experimental-groups
false
true
In this experiment, which were part of an experimental group? The passage below describes an experiment. Mona has a bubble machine and wants to know how to make the bubbles last longer. She read that bubbles burst when the liquid that makes up the bubbles evaporates. Mona knew that when liquids are warmer, they evapora...
"iVBORw0KGgoAAAANSUhEUgAAAUwAAAE3CAYAAADBi3hdAAEAAElEQVR4nOy9d7hkR3Xu/avaqXOfPGdykjQjjXJCgSAyJoiMMQZsY2zg2hhs7GsbLtcJTLDBAYxJRuSMQIAQyjlrJI3CaHKek8/p3L1j1fdH7e4TZiQEGOTveW7N09Ph7FBVu2rVu94VSvzRH/2R5v+V/1f+X/l/5f9H5eMf//hTcl8b4CVnf5b+/jL5nEOjBeNjFtt3KW65q8k9D9SJEkgkCAu0BDQkQJJ4oB0yOsTS4TEXF6kotoQ47u+maFMJAWhznKB7vEy/Jwh...
[ "the bottles that were cooled down", "the bottles that were at room temperature" ]
null
0
math
calculus
determine-continuity-on-an-interval-using-graphs
false
true
Is the function f(x) continuous on the open interval ( – 9, – 3)?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABtDUlEQVR4nO3deXhT950v/resxbstL2AbE28sBhvb4AQIBCdQaDaSNJCm0D5tQ36ZdtJpm6TPnbnTaTu9006G25muSZNMb+d2QnJv73TClCQNxBAS1pgGgwPGNpsx3o0X2ZKs/RzpnN8fRg4CO1hwvpaF36/nyRMkn/Pxx+dIR2999dU5OlVVVRARERERkSZiIt0AEREREdGthAGbiIiIiEhDDNhERERERBpiwCaiEPv27UNBQQHWr18PAHj44Yfx5ptvjrmsLMu4884...
[ "no", "yes" ]
null
1
math
grade-1
open-and-closed-shapes
false
true
Is this shape open or closed?
"iVBORw0KGgoAAAANSUhEUgAAAQkAAABkCAYAAACVdcVUAAAMNElEQVR4nO3de1hUdRoH8O8MA9OgXAx6BDS1JAwVUQvNjEwF1FzLtHUjC9vtstZqpHiPx2fXLW+Jht2etrYVsyyfNMsbclHQvKWhLBKJmGgCukIiICMwl/1jGKDUYWDOmTPn8P383XPO+/Dkd37v7/zOe1Rms9kMIqJbUEtdgBCOHDqN7w8XSV0GkSJppC7AEXV1BiSt2IYvPz8IAPjT0w9i0eInJK6KSFlUcm03igovIiF+PYrPXoaXtw4AUF2lR3BIAFYkTUXwPQE...
[ "closed", "open" ]
null
0
science
grade-8
compare-amplitudes-wavelengths-and-frequencies-of-waves
true
false
Select the graph of the wave with the greater amplitude. The graphs below describe two waves. The waves are traveling at the same speed.
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAASwAAAEsCAYAAAB5fY51AABifklEQVR4nO2deXxU1dnHf8+5s2UhCTsioCCICoFk7gQEN1DcUNS2glq01m5q7aK2dnnbt1K72rd1aatVX6tWaxdQKyRiAihoWYTMnaDIKosiyA5ZZ7/nef+YCQ0hmbk3mcnie76fTz5J5j73nN+dufeZc889z/MACoVCoVAoFAqFQqFQKBQKhUKhUCgUCoVCoVAoFAqFQqFQKBQKRXdRWVnZr7y8/Ft29ikvL59nx76iouI7Cxcu7GPVfuHChaMrKipuzqYmu/Y...
1
math
grade-7
describe-a-sequence-of-transformations
false
true
What combination of transformations is shown below?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AAArTklEQVR4nO3deXRU9f3/8ddksmdICIJhBkJYBFmEACERkUVt0eKKCkJdQa0LiMWlLii4YBWqtLRWwaUVl1pXEDeKCLLvQSCgoGwJMAHCkkz2Zeb+/ojk2/qThCQ3czOT5+MczuEk9973axI9ec3lk8+1GYZhCAAAAIApQqwOAAAAAASTUKsD+NvCkRuUv6/I6hhBrVVKcw2ZnWx1DAAAAEtUFezs7Gy53W4rs/hFUW6x1RGCXk56rtLT062OgQDmcrnkdruVkpJidRQ...
[ "reflection, then translation", "reflection, then rotation", "translation, then rotation", "translation, then reflection" ]
null
3
science
grade-5
predict-temperature-changes
true
true
Two identical blocks are heated to different temperatures. The blocks are placed so that they touch, and heat begins to flow between the blocks. The pair of blocks is insulated, so no energy escapes. Later, the temperature of each block is measured again. Which pair of temperatures is possible?
"iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAW+klEQVR4nO3de5hcdX3H8ffvXGZmL9ndbLK3XAkkIZBAIEAQ9BFExKegT6WKfdQ2IoqKbS0UxFIrV7lUpT4q3irBlopaWwV8QAraKpYgSYBcCCQBEtiQDZu9ZO+XmXP59Y/f7NndzGazS3b3zO58X8/DQ+bc5rf7m/3MOd/zO+corbVGCCEAK+4GCCHyhwSCECIigSCEiEggCCEiEghCiIgEghAiIoEghIhIIAghIhIIQoiIBIIQIiKBIISISCAIISISCEKIiASCECL...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAhVUlEQVR4nO3deZQcZ33u8e9bVd2zSqNtNJKtBXmRbSy8WwbDYXFYTgy+wSzJCeSaJRiwA8QOe3wAsxgcApfLmnDBcK/DkpCwmCVcHG4SCDJYxrtsSbZlWbKWkWZGM5p9uqvqvX+8PZt6JPVIPVXVPc/nHJ9xV1d3v6MqPfpV1a/eNoBFRASw1tJZgCeGYSCCUOkgIlUSGFjgw5nN0JEHgwoQESnpHLNs7k97FCJS7y5bCEHagxCR7Hh82P1cmYezWtzRiohINQx...
1
math
grade-6
absolute-value-and-integers-word-problems
false
true
In the game Treasure Seeker, Martina and her friends sail the open seas looking for treasure. They earn points by collecting gold and jewels, but they lose points if they crash into a reef. The table shows their scores at the end of the game. Who has the highest score at the end of the game?
"iVBORw0KGgoAAAANSUhEUgAAAIoAAAB/CAYAAAAw2FrOAAAajklEQVR4nO2dd1QV19qHH0AQFJCAFSWCiBqaYhAhoIgiWPBGEbBDNNgwXL1GjQXbRSyo13gTo+YajQqaYAtKUUxi7BrA2AsKigoKdqQeynx/EMYcITqUCH6ZZ62zFrP3u/e8e87vnNkzzP4dFb5wFJCpNPu6L2LAkaDaTuONoVrbCci8HchCkZGELBQZSchCkZGELBQZSchCkZGELBQZSchCkZGELBQZSbxRoRz8cBWbXee8yV3K1BD1aqKT7e4LGGrmCoCAwMO8Z9x...
[ "Bob", "Jackson", "Martina" ]
null
1
math
grade-2
write-subtraction-sentences-to-describe-pictures-up-to-18
false
true
Which subtraction sentence does the picture show?
"iVBORw0KGgoAAAANSUhEUgAAAfQAAABkCAYAAABwx8J9AAAbwUlEQVR4nO3dfXAc933f8ffd3gNwAPFEgOAD+CCQIGmJkkjKgkhRpR5d2Snt0VhsqoRywrROZ9K6rjuTuDOZtJnE02mbP9Ik02ntKpNSYzFmO6asNLQsO4kk2qIpQSJFUbAoEiTEJwDEMw73hL196h/LW+Ce9w53IHz6vv4hd3G3+/sAc7/v7e5vf+uxLMtCCCGEEL/UvHe6AUIIIYRYPCnoQgghRA2Qgi6EEELUACnoQohfepcuf3Knm5ClnDZJjur5NOTwLWE7hBC...
[ "12 βˆ’ 6 = 6", "12 βˆ’ 5 = 7", "11 βˆ’ 5 = 6", "13 βˆ’ 5 = 8" ]
null
0