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 ⌀ | choices_pic listlengths 2 4 ⌀ | answer_idx int64 0 3 |
|---|---|---|---|---|---|---|---|---|---|
math | grade-2 | find-the-next-shape-in-a-repeating-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAYfUlEQVR4nO3d248kZ33G8eetqq7u6Zndmd14d1l7wQkjIuM4xkmcmAsIJopiRVGk3ISL/Au5jCJuQFGCr3ORGxLHgOzEcgKEg0HEAQtsYbABGy9IBp/W2Ov1st7ZOe1MT3fXMRe9R+8c+lRvVb3z/UiWDztV7/t7/ZvpZ6qr3jZ5nucCAAAA4ASv7AkAAAAAmB4CPgAAAOAQAj4AAADgEAI+AAAA4BACPgAAAOAQAj4AAADgEAI+AAAA4BACPgAAAOAQAj4AAADgEAI... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAcq0lEQVR4nO3d/48c933f8ddnZnd2b+94d2RF0pTkqDWRQnZdRW3d2gicWimKCkVaoP2h+aFA/4L+WARBARtFa//cH/KLUlZKYAWGEtuNbMdI2VhwJFiWHIW06ACyJUtyJIo6Uzze3h3v9nZ3vn36w5AiKd7X3ZnPfNnnAzBs8m5n3p+P39yd1+zMZ4y11goAAABAIxhjyi6hkryyCwAAAACAohF8AAAAADQewQcAAABA4xF8AAAAADQewQcAAABA4xF8AAAAADQ... | 0 |
math | kindergarten | spheres | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAARlklEQVR4nO2dW4wb13nH/2eu5PAqaTcrybJlC5YtGbXhi2IrVqyLgwJJgRZB+9KXvhRF0acW6LslS3JiwChcwAXcIkmRAs5DCqOCYxWwgaaoo9SOLMhAbNmx5VVjkVpJ5C73wjvnevpwSO5yLxa54pJzyO/3Ioi7M3s4/PGbc+b85wzjnPOcA1yrAWUf8DgIInRoDEiowH4LmDIAlrM5v1QadrMIonueSQLadE38Z5cBPBwTVhNE2Cj7wNUqcNsBvqwBSskTPyB... | 1 |
math | calculus | identify-functions | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAOJklEQVR4nO3dTWxTd76H8a8zkxsHLolVlBeppSN0aWJp6LUjUk2iSghY1S1plY5Kq0pBqlSkYcGOdcuopWIkugKKuqlosumgqooEUpAqkexsRkSxqadydIsIZNEAM8VpCDEwxrPg2oOJcfzz27Hj57MpnBz++cvQR+fYjn+uVCqVEgAYNDm9AQD1h3AAMCMcAMwIBwAzwoGcEomEEomE09tAjSIcyCkcDiscDju9DdQowoGcgsGgQqHQM79+8uRJBQIBzc/PS5IePHi... | [
"no",
"yes"
] | null | 0 |
math | grade-3 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAehUlEQVR4nO3da3Bc9Znn8ef8T6stybJkoatpC8+EHZJ4kslMwFu5zc4tF6BIEchmyOZKnKoUBMIlO6/m/b6b3YR7KgwkTC7LBBLIQoUMSXbYbDZJxYRcZtZLqGF3jCVLliVky7Ilt/r8//uiXf9zRHBbl9P9nMv38+p5XE2fHxRU/ewSzwmcc04AAAAApMJoBwAAAACKhIINAAAApIiCDQAAAKSIgg0AAACkiIINAAAApIiCDQAAAKSIgg0AAACkqKIdIK+iF/9aGse... | [
"yes",
"no"
] | null | 0 |
math | pre-k | tally-marks-up-to-10 | false | true | Count the tally marks. What number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABBCAYAAAAngwHRAAAG5UlEQVR4nO1cTWwbRRh9W6cY2wVXclynyo9TFTUhDSpFKpHqHuqKVkKE5taoR8IFUE8gUU4IgYREj6gHDqhXlNwSWiHRqimiqZRI1CA5yGlVOXYaSBy7xK3txCTNcjC7sZ31zo7n23id+J2S9ert7L6d72/nG0mWZRkNWAZ7aj2ABkrRREWUy65jbjYLh9OGjkP7GnxVQliQSDiNsZFZzEyn1WMOpw3n3m3DW++0wuniu0QknMatG48RmkqR8MWjGYyNxCzLVw5JxIe... | [
"9",
"8",
"4",
"5"
] | null | 3 |
math | kindergarten | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJIAAACVCAYAAACzfqM2AAAGZklEQVR4nO2c3W4aRxiGP/xXKU1aqQetepDDtpeQW8jt5jZylBgLCaiMJVvBFeXAxsDawG4ONpYwXn4WZub7e5+TxMbGs8Ozs9/OzryNoiiK2yeifydEowXRvCAAtnLSIHp3TPTXG6I/zogat49F8fmeu1lAMx9+ITrpTsov/jwj+ufn0jIAtjFaELXHRP0nos6E6Oh+Xr4AiUAd3h2XzhARPSyIjhZLLwBQh2dnZgXREW9TgBUgEggCRAJBgEggCBAJBAEigSB... | 0 |
math | grade-2 | compare-clocks | false | true | The clocks show when some friends took out the trash Tuesday before bed: Who took out the trash first? | "iVBORw0KGgoAAAANSUhEUgAAAlYAAACiCAYAAACDOYM5AAAuS0lEQVR4nO3de1iUdd4/8PcMwzDAICMeAFPBw5SVxiFTWhPR7CBsT0e1Wi3QfbYTHtvdcrNH2y1rf9u6oFlrKyZrqWietqCwE2AmZcJ4SmxQBjVnUMGRGWBghpnfHyyjI6cZuIcZ8P26Lq+ce+6578+Q7y+f+yyy2Ww2kMsKTuzHD2VFOHzmGI6ePY4TulJPl9Sj3RQ2EmMG34LbhtyKX428A3eOvMPTJVEPxFwKi7kkcp2IjZVrqmr0eGbDYuQc/sLTpTjl2v+5Io9... | [
"Kayla",
"Martin"
] | null | 1 |
math | grade-5 | points-lines-line-segments-rays-and-angles | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB5CAYAAAADDFZnAAAMaklEQVR4nO3dz28Tdx7G8ceJk9jxjG0JCbUNQkqrIsXtKl2xaryI0EJwkNrbNnvosRdW2sPCgf+AIxzSKytx3Uv/gSQEWqiydtutgG0dqRU9ROmPRUIaz4zjxL9mDyYBN45DgpPxj/frBENAH4EPD5985/kGPM/zBAAAAKAl+vweAAAAAOgmBGwAAACghQjYAAAAQAsRsAEAAIAWImADL2B2dlajo6O6ePHitl+zbVvj4+MaHR1VOp32YToAANBOCNjAC0in0xoZGVE... | [
"a line segment",
"a line",
"a ray",
"a point"
] | null | 0 |
math | grade-3 | reading-schedules | false | true | Look at the following schedule: When does the parade begin? | "iVBORw0KGgoAAAANSUhEUgAAASoAAADbCAYAAADag9wnAABg20lEQVR4nO2dd1RUV9fGn6GD9CogHRuxAWIEFSkWFOwNJZgXDVijxhYLwYrYlaBGjRhLFAQFMRiDURHFxAKKLQo2RBELNqS3/f3BNzdcZgYGg4p6fmvN0nvuPuXumdlzGucR+E45S2AwGIxGjBwAjPX98kO3g8FgMCQi86EbwGAwGHXBAhWDwWj0sEDFYDAaPSxQMRiMRg8LVAwGo9HDAhWDwWj0sED1CfH36XgM7WuMtcsnNHjZu7YtgXtneYwe2qrByxaS/eA2Qld... | [
"6:55 P.M.",
"12:55 P.M.",
"1:25 P.M.",
"12:05 P.M."
] | null | 0 |
math | grade-8 | model-and-solve-equations-using-algebra-tiles | false | true | Which equation does this set of algebra tiles represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAAKQ0lEQVR4nO3db2wbdx3H8Y/vXDudg5cuRGo6By1F6qADEm2gdDbTWP+kj4YAlQdU5BEPmIQ2UNnEk6GqQ1NRW5UnPOIBBcQTpKaVJibQUKqmkV0NiZailm6o1SLZ0hK30qLKTmbHvuPBNm/VWsif393lfn6/Hu2s9N6/n1bpvj0754Tv+74AAAAAGOFEvQAAAADAJgzYAAAAgEEM2AAAAIBBDNgAAACAQQzYAAAAgEEM2AAAAIBByagXgHhplIpqVyrGz+vmckrnC/Q... | [
"– 3x–2= – 23",
"– 3x–2=19",
"– 3x–2= – 14",
"– 3x–2=16"
] | null | 2 |
math | pre-k | flat-and-solid-shapes | false | true | Is this shape flat or solid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAFiklEQVR4nO3YsQkCARBFwTvR3EywMXuwCeuwPCtZO1CDJwfHTLzBDx+7zswsAABA4rD1AAAA2BOBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAACh46+Hz9f9nzvgo/Ppstyuj61nAAB85YMNAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACG... | [
"flat",
"solid"
] | null | 0 |
math | grade-8 | perimeter-and-area-changes-in-scale | false | true | Look at this square: If the side lengths are tripled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAACQAAAAOCAYAAABHN77IAAABc0lEQVR4nO2VLYsCURSGX4eVMYiOOl0sik0UZoLJj6JRm0mMJkHEbDOIf8Civ2CCySAIgmA1OeUWk2UE0+DXaxNcWFeGhTHs0+7hvdwHzuEeD0nig5DcFviOBABCCJTLZQQCAcTjcYxGI/eMbNtmIpFgr9fj8XjkYrFgKBTidDqlG2C5XDIYDPJ6vT6K3W6X1Wr1x0uRSITtdpvJZJKKorDRaNAwDGqaRr/fz0KhQMuyHOUxm80YDoefHpxMJkylUi+FarUahRAUQlB... | [
"The ratio of the new area to the old area will be 9:1.",
"The ratio of the new area to the old area will be 27:1.",
"The ratio of the new area to the old area will be 3:1.",
"The ratio of the new area to the old area will be 16:1."
] | null | 0 |
math | grade-1 | compare-sides-and-corners | true | false | Which shape has more corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAALZUlEQVR4nO3dXWxUZRoH8P+ZGcbW0pIClVZaaEspoVpYwECI2SKR5atAglGyKMqKQBrMYuKdxgsv9YJNvNiNkXXXTda42Wx2ExD8Xg2rIepC1gaMUPolrbQyhU6nQ2mnnbMXw8DuUaC2877Pe97z/900TemcJz1/zrzPnOec47iu6/aMAOeuAIkxYNQFkW9FHKAwDMy/E5gVBZyeYdf9YkC6LKLcW1EERFquZL4piwILCjLpJ/KrxBhwJglcGAHOXgFCA6OZHzD... | 0 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-10 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAUhklEQVR4nO3de3BU9d3H8U8SEmIIuQAJSBsTQwcQjFwlXGq5OCDWKlAlQoeRaBGLdajQh0HUTkHTgrVaHek4op1SasNwa4JoGZwBk/A05EJI4BEGqGCAmIQSQmKuJEv2+eO4G0ICycKSs2f3/Zphdvfszub7I5fz2d/5XfzsdrtdAAAAANzC3+wCAAAAAG9CwAZwy+ps0mdnpQX7pMAPpTUFZlcEAIB5ephdAADr235aeuF/pRZJNgadAQB8HD3YAG7ZwsFSzTPSySf... | [
"12–2=10",
"8–1=7",
"8–2=6",
"10–1=9"
] | null | 1 |
math | grade-5 | compare-fractions-and-mixed-numbers | false | true | Which sign makes the statement true?
5
2
5
26
5 | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAIs0lEQVR4nO3dXUhU+R/H8c+YzdHNpqexBzIIx4u0LjS3GuhJuigaLdbWSgKplIilpaC9KPZm6yYoii6WTQpyWSMKKkjMjKiuAie2HCKyIpUevLBGlFwiT63O/2L/DpnTOB6Pjtr7BYKcOb+H792XH9/z+zpCoVBIAAAAAGyREO8NAAAAAOMJCTYAAABgIxJsAAAAwEYk2AAAAICNLCfYb9++1U8//aQFCxZoxowZ2rhxo54/f27n3kZErHH8+++/OnjwoDIzM+V2u1V... | [
"<",
">",
"="
] | null | 1 |
math | kindergarten | one-less-with-pictures-up-to-10 | true | true | Count the squares in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABeCAYAAAAZpWPpAAACQUlEQVR4nO3awYkCQRRFUXswClNwMwHIwARgGMZgIq5MtszA3tyioDkngE/xVpemtzHGOAEAAImf1Q8AAIAjEdgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEDrPOry9brNOH8bjej+9/5/pTbvvs/sadl9jxu4AfOcLNgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhAQ2AAC... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA04AAAB2CAYAAAD/YcPcAAAD2UlEQVR4nO3dP04VURjG4W/kQoGijdForxY0djTGxAWwDNbgRqxchuyCHSD2YqTiXwJycywG6rdwJif3+jzNdCdfzilmfjk3uUNVtQIAACbRWqvT26of11UXy6o7X9sraTFU7WxUvdmuerlVNZRwAgCAyZzetDo67z0FU9p7WrXoPQQAAKyTk+vx+Wqr6t3j8daC1XOxrDq+qvp5W/X9uupR74EAAGCdnN+NT9G02nY2xjOsqrpcCicAAJjU8v4pmlbfwxn+acI... | 2 |
math | grade-6 | which-figure-is-being-described | true | false | Sebastian saw a 3-dimensional figure. It had 6 square faces. Which figure could Sebastian have seen? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABSCAYAAABNL9ifAAAPW0lEQVR4nO3de1RTZ7rH8W8gRAWcqAvxfp1YPWh14cLTeqNqgzCI0NapHS+A2JHBS9V6FKRVVm9qbZFajsvWUSvWliPSswCvlYUHEapWpeIqR21HFqjVUUq5iVwFzh9pcna4xCQkBJj385dJ3r33m538eJ9nJ4KssbGx8UEt3KqER/XwpBFBEKxELoOe9jDKEfopQPagprHxUrmtpyUI/3qe+wPI/1GpuTFAAaOdNOkUBME6HtXDT4/hn7XwcyXYVdRrHhgjwic... | 1 |
science | grade-3 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Amphibians have moist skin and begin their lives in water. A golden frog is an example of an amphibian. Select the amphibian below. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOy9ebwkRZX3/T0nIqtud9PdIKDSAjKANCgIsozIpoiOiIoioAhu4PaKywgPCjgPzoM66AyK4wIObgPixuAO8/KI27iAyDq4jCKKoqIMKEtv91ZmRJz3jxNV3U030OAFfZn8+SnpW5WVGRmZVXXOid/5/cTMLKVEKYUePXr06NGjR48ePXr8/xOqSowR6brO+uC+R48ePXr06NGjR4///0NV0T6479GjR48ePXr06NHjwYFSCvrnHkSPHj169OjRo0ePHj1... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6cAAADMCAYAAACPx9V0AAEAAElEQVR4nOz9ebgtZ1mnj9/vVNMa93Sm5ISYhAQwICI0yKQBkaExgBBmRbC11aYV7Chy+VUboW1sFBsQaAaRGNDQIgJBaUZlChCIaQSEgAwZz7j3XmON7/D7o9be5GQ8YBia37pz7Stn7VWr6q1ab9WuTz3P83lECCFYa/Hes2TJkiVLlixZsmTJkv83kVKiteaSayvuvWpYMeK7PaQlS26R7Sbw6a2Gr80DATijI3nywQi5FKZLlixZsmTJkiVLlvy/j/cea+1... | 0 |
math | grade-7 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{CE} and \line{FH} are parallel lines. Which angles are corresponding angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAiR0lEQVR4nO3de3CU1f3H8c+TwBJuTWykQgiwgNBMQySESDAKSxxGQAskQgWlCLQzYtAOsTM1BeuQXn4BpzMlTkfEXjAiLbFVCIxcpSQZEAmyyWpI5eKEpWyVmhISbpFgkt8fliiyCZe9PLt53q+ZzJjnJHu+5/vXh+M5T4zW1tZWWVB9fb0kKSYmxtQ6whX9AwAA8C7C7ALMUlhYqMLCQrPLCFv0DwAAwDvDqjvYdrtdhmHo+PHjZpcSlugfAACAd5bcwS4uLtaJEyf... | [
"\\angle{CDG} and \\angle{EDG}",
"\\angle{CDG} and \\angle{FGI}",
"\\angle{CDG} and \\angle{FGD}",
"\\angle{CDG} and \\angle{HGD}"
] | null | 1 |
math | grade-1 | ordinal-numbers | false | true | The first picture is a sun. Which picture is tenth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAoIklEQVR4nO3dfVxUVf4H8M9hBplxEBANFfJZNFsNLHWzBDWtdHdJK1OzLTV3tV0T82G3VXdTUrNatXzI1HzKfrullmW0mqYJaq0tGPhQPgDlQwJSIsjADMwM5/fHnUfm6c4wAzNzv+/XazeYuXPv8XLOd86995zvYZxzDkIIIYQQQohPhDV3AQghhBBCCAkl1MEmhBBCCCHEh/zWwa7QcXQ9cAv9vqxChY5GoRBCCCGEEGnwqoP9SYkOGee1LjvOWb/ocammHvmVBkw... | [
"barn",
"tractor",
"sun"
] | null | 2 |
math | pre-k | ordinal-numbers-up-to-tenth | false | true | The first picture is a bucket. Which picture is ninth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAfm0lEQVR4nO3df3AUZZ4/8Hf3zIQkMAm/FEiyKiyBEBFQ3CRurZgTQuEuKIb4dcHd0ugqbtUtYC1gnScKJ3ffVdn9krhVEkTDbX0Fd03YPWFlL4E9XLfqEgu+RuQ74aeH6yTBlc1JIgEzM933RzOTmcn86Jl0T890v19Vlmamp58nH598+pmnn34eQZZlGUREREREpAnR6AoQEREREZkJO9hERERERBrSrYP9pUfG1H/vw61/7MeXHs5CISIiIiJrSKqD/bseD7acvBq... | [
"crab",
"bucket",
"boat"
] | null | 2 |
math | grade-4 | multiply-unit-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 2×
1
10
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHoAAACOCAYAAAD+WhzrAAAEvUlEQVR4nO3cz0sjZxzH8c8Yf7F1a4TSUhAMSNvczG1zEJJb7KHNca/5AwRzamWhJLkI7knFP0CP3sQeNLcM2j3kpLCC223AUKQWewjGldE6TA9DlqbYwjbPZEY/nxcMKsLzfJm30UB8Ynme553fAr9cA20XuPMgj8CgBTyNAV88AT4bBqzzG8+rX4Y9lgTp2cfA4Ntr/4vPh4GvPvJ/CuTha7vAm3fAb7fAz9fAwOWd/w1FflyexvymAHDlAgPu374hj0un6Z8... | 0 |
math | grade-3 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAjvUlEQVR4nO3daXRcd53m8aeuSrWoFlVpl2wHx4ntCQnZSAgJCTEh0HE2ONOnWZqEQIKznOke6Bl6+tADPTPNMHPooWdoGiZ76EC6G5qeQ3cccNhMNrKQAAkkJLYTx/GizZKqVFVSqUqle+eFTN0qyb5eVMutqu/n1b1HUtVfil889c//Pj+PZVmWAAAAAFSEUe8FAAAAAM2EgA0AAABUEAEbAAAAqCACNgAAAFBBBGwAAACgggjYAAAAQAURsAEAAIAKOqaAvfe/jmv... | [
"no",
"yes"
] | null | 1 |
math | algebra-2 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $6 x^{2}+9 x+3=(2 x+1)(3 x+3) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAQAAAAFyCAYAAAAamASsAAAWsklEQVR4nO3dbXCU9b3G8Su72fCwMQEJkJDQxADyTCGodCi1VMOAWNuh0hd2rMy0zhk7Ip7OeMY6HGf6NPqq9rSd0xmmRzrTDsOooK3PGOkgtFBLTCBCAIGUNIFEWA4kJsSQ7L3nRUxOiIDJ7ia39//3/byh3CH7+881m2vvXSy/jEQikWi+LJ24JH0Ul7oTAuCozAzphrA0baxUkCVlNHcmEv9o9ftYAEbaLTlS5vFLPb8pyJJmRnvaAYCbPopLx9qlpsvSyUt... | 1 |
math | grade-2 | symmetry | true | false |
Which picture has symmetry? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAVx0lEQVR4nO3dSYzk1n0G8I9ksbauXqdnNCONBpasRMoGOQoSIQlg5BYdkkt8yCHXnJJjjOSQa+AcEuRkyYLsg5wASi4y7DiCIPsgOIEVaInsBBrNtGasEXqkXqa3WtjcyZdDTfX0wiqSj3x8jz3/HyBAM7XwTZEf+VZSY4yxLR+4bQOjCAgZCCGCNDRg3gB+qQs80gS0LY+x94ayi0XIw+f5BaBxyx7/4UoTeHpunE5CiBijCFg7BDZ94BMb0Ifh+AUKHyHizRv... | 0 |
math | grade-2 | greatest-and-least-word-problems-up-to-1000 | false | true | An environmental agency examined how many trees were planted by different organizations. Which organization planted the fewest trees? | "iVBORw0KGgoAAAANSUhEUgAAAeMAAAC9CAYAAACAhBULAABXLklEQVR4nO3deVwU5R/A8c9y34sKHogK3kcq3uIJCN6p5FGZeaR4H6il9vMAS81UzCvU8sDKMLXQshJFhLwPAq1UPAEPQFFB5doF5vfHysjGfSiaz/v12tdrd+aZZ57Z3ZnvPMfMKA4OmCAhCIIgCEK5cA3wRQ/Aedzw8i6LIAiCILx2Dm/8BgCdci6HIAiCILz2RDAWBEEQhHImgrEgCIIglDMRjIVXQqKkQ920OrROtydREn9bQRD+W8RRTSh3ezPN+CTDqsAgG5p... | [
"New Planet",
"Let it Grow",
"Mission Reforestation",
"Plant It"
] | null | 1 |
math | grade-1 | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAG2UlEQVR4nO3dX09TZwDH8V9BvXC63Sxb9gK2vQRfxV6T3JQrdoV6hVFJCsl6gXWJqMnaeMOFkiCJUCwE0hqCp1uAlLahQHt2cWQriNA+5/n//D43Gzr1SfaN4vmR82TiOI4/HQEbbeCgC5zEIErtWga4PQr8fBP48QaQ+dSJ4zcN08cin935Fri23k4++OkG8Os3SYVEaR10gQ8tYOcIqLSBkcZJ8h2MjGS6PZo0BQDNLjDS7fsOIplOmzqOgRGzR6FQMDTSgqG... | 1 |
math | pre-k | represent-numbers-with-shapes-up-to-5 | true | false | Which group has 3 hearts? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAKy0lEQVR4nO3dPXAU5xnA8UeHjjOHPkE6YDyRmMkkGbvFM6lCjYs0qDVpndq1aeMyky5qg1tSJEWoVWbsmslHoyJjRcj6QOiIfKBLcSMSG8mW7vaeXd39fo0tg149r8X+b1nd3U50u93uxjcR/2xH7L+OeNUNgEJMTkRMX4r4STPixuWIiY3Dbvevz8seCxh1P5+JmPxHu/fBrcsRP7vaqxFAEfZfR/ztIOKrbyL+3o6oPX/V+wWxAYo2fanXloiIF68jaq//7xc... | 0 |
technology | grade | font | false | true | Identify this font type | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABQCAYAAAAwa2i1AAAJ9klEQVR4nO2dzWrbThfGT8p7Fdl0lZVk30Og2DLkBrrrqqs4UEKuwhIB41VX2fUGAolEoPcQSauuAiGXUb2LIv2PjkfSjDSOpczzA1E5lUfz9cycOfPhk6IoCgIAfGg+HTsCAIDDA6ED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKED4AAQOgAOAKE... | [
"Westminster",
"TypeWriterTwo",
"Van Dijk",
"Eraser Dust"
] | null | 1 |
science | grade-3 | animal-adaptations-skins-and-body-coverings | true | true | Camels live in dry places such as deserts. The camel is adapted to be camouflaged in a sandy desert. Which animal is also adapted to be camouflaged in a sandy desert? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9d7xcVbn//15r7T0zp5eck15IJaGFXpVLKFJFvBSpalBRERS5IIjgvZQrERRQRFQsgBSVK1Uul1CkBIQAgRhaQkgh/SQnOf3MzN5rPb8/1p5JhRzgKH757Q+vvMg5s2fvtddeM3meZ30+n0eJiMRxjHOOFClSpEiRIkWKFClS/L8JrTVBEKCiKJI0uE+RIkWKFClSpEiR4v99aK3RaXCfIkWKFClSpEiRIsXHA8459Ec9iBQpUqRIkSJFihQpUvQf0gA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9ebwlV1nvj7+fNVTVHs453Z3uAGGSJIQEkUAcmC5cEJApIl7CEMJgcpGrEQT5gggKXgQlDAKKCIIiIkEBZQq+kFGQoBAgkAsIIiaBAJnTfc7ZQw1rref3x6p9ujvppDuhEeS3P69Xv8jZu3bVqlWrivo8z+f5PKKqGkIgpcQSSyyxxBJLLLHEEkss8d8Txhicc4jID3ooSyzxIwmzJM5LLLHEEkssscQSSyzx3x8pJUIIP+hhLLHEjyzMkjgvscQ... | 1 |
math | pre-k | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAG3klEQVR4nO2dy05bVxSGl7mpTZNW6qBVK3XYVOoLZNIH6TNGIJDIAAagZECAGJwooKI0IBEVCcrAx5djMPgcnw5MUsIlvu299l5r/Z8UKcYY78AHMfv8a/+loiiKk0ui/TOiZk6UFQTA2EyViB5NEv36gOjHGaLSyUVRvGqEXhbQzJNviaben/Vu/DRD9Ns3PQsBGJdmTvSuRXR8SfT3GdFEI+vdAcmASx5N9pwiIkpzoon82h0AuOSjU52CaCLsUoAVIBpgAaI... | 2 |
math | grade-7 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACSCAYAAAB/j70mAAAZhUlEQVR4nO3de3CVdZ7n8c9zbjnn5B6SkHAJJOFiEjPC2KXIdI8WTNeuWzjdM1MoZXsrhikQS9rGUqxpmmIZZ0vWsgfjilBFW20zPeWld91p2HJ2HRztsUW7egQ7kHSEJBACgSTknnNOci7P/pELnDQol3OeJzl5v/7RenIun/Pfh199n+9jmKZpCgAAAEBCOOwOAAAAAKQSCjYAAACQQBRsAAAAIIEo2AAAAEACUbABAACABKJgAwAAAAlEwQYAAAASiIINAAAAJJD... | [
"quadrilateral",
"rectangle",
"kite",
"parallelogram"
] | null | 0 |
math | algebra-1 | describe-linear-and-exponential-growth-and-decay | false | true | How does h(x) change over the interval from x=7 to x=10? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABucklEQVR4nO3de3xU9Z0//tdkZnK/TO4JgQQBQUGCgKBBUCxWXbWuYLvY/hTitdra22+/21+32+13t1+/rt9vb7+6aq9CAO23W3+iu4qBYkGhoXKJEEhAwAi5ksskM5O5nDmXOef3xzghw3UGzofJJK/n49GHzWVeeXNO5sxrPjlzxmIYhgEiIiIiIjJFSqIHICIiIiIaS1iwiYiIiIhMxIJNRERERGQiFmwiinLPPffg9ddfP+fXPvzwQ9x0001QVfWcX3/jjTfwhS9... | [
"h(x) increases by a factor of 3",
"h(x) increases by 100%",
"h(x) increases by 3",
"h(x) increases by 4"
] | null | 2 |
math | kindergarten | compare-sides-and-corners | true | false | Which shape has more corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAIxklEQVR4nO3dy28TVxQG8G9s5+HEcRDiEXZQqUQqopRWLf9AVbWVWv7GIqFWXXTTDQuEWgkWYUM3WRAqsWiAAAlO40fs+DFdOKbGicfzuHdm7jnfb8crjMefT+7cOXPi+b7v7xwBf7eAeh/o+SByVskDVorAx0vAxXnA2+n4/uODrA+LyLxbVaD0rDX8xaV5YH15mH4iV9X7wNMm8OoI2GoBhYPe8A8YbpJgpTjMMgA0+kChP/YHRBKMstz1gUK2h0JkFwNOojH... | 0 |
math | calculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x= – 2? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB82ElEQVR4nO39eXhU150n/r9rr9Ja2iUEEmBAWCCxGIHZDARiO8Yb2G6Iv1mcTqfbmaQz3c9Mz+Tp6clvutvjJzOddE/Sjjud6bSXTtKOmWA7BgsMZrXACAQISWxCgBZAS0lVpVrvUvf+/pAlI7Op4B6VSnq/nscPVqnupz66t+6pzz117jkmXdd1EBERERGRIcyJToCIiIiIaDxhgU1EREREZCAW2EREREREBmKBTUTD7NmzB1OnTsX69esBAE888QTeeeedmz5XURQ... | [
"no",
"yes"
] | null | 1 |
science | grade-5 | use-scientific-names-to-classify-organisms | true | true | This organism is a bobcat. Its scientific name is Lynx rufus. Select the organism in the same genus as the bobcat. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOydd5glZZm377fiyaFz7pnpyTkwQ5wRRKIEEVxR1pxQWVlRUfFTl/X7TCBGDCioq64gqy5iIOc4OTO5p3Puk2OF9/vjdDeTiM6uu1j3dZ1rTp2qeuutNP2rp37v8wgppbRtG9d18fDw8PDw8PDweO2iKAqapv2tu+HxX4ziiXsPDw8PDw8Pj78PXNfFtu2/dTc8/otRPHHv4eHh4eHh4fH3g6f9Xvsof+sOeHh4eHh4eHh4eHgcPzyB7+Hh4eHh4eHh4fE... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOy9ebglV1nv/1k1V+15n/mcPj3PSbozQUImyA2BECDMl9kgIDJdc0EExYuI+hPuZVCEqCBiUBAQFRGvjCE389jppKf0fLrPPO+x5mH9/jjdJ91JSBqIorg/z3Oe3rWratWqqnftrm+9wxJSSpkkCVmW0aFDhw4dOnTo0OEXF0VR0DTt592NDv/GCCF+3l3o0OEpUToitEOHDh06dOjQ4b8GWZaRJMnPuxsdOnTogNYRoR06dOjQoUOHDv916Dz7/eJ... | 2 |
math | pre-k | fewer-more-and-same | false | true | Are there the same number of cats and toy mice? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABgG0lEQVR4nO3dd5xcd33v/9c508vO9q4t2iatumTJliy5SG6AyQ8MoeX+jIkTfBNaAjc3NxcDCSGF8osDBkKwcQghNrYJ2BiwYxn3ot7bStt7L9P7Ob8/RjvSelV2V7PSHvnzzINYmnbOnPfjzPerb1V0XdcRQgghhBBCZIR6pU9ACCGEEEKIq4lUsIUQQgghhMggqWALIYQQQgiRQVLBFkIIIYQQIoOkgi2EEEIIIUQGSQVbCCGEEEKIDJIKthBCCCGEEBkkFWwhhBB... | [
"yes",
"no"
] | null | 1 |
science | grade-7 | compare-thermal-energy-transfers | false | true | Scientists in a laboratory were working with insulin, a protein often used to treat diabetes. They left two identical vials of insulin in different places. This table shows how the temperature of each vial changed over 15minutes. During this time, thermal energy was transferred from ____ to ____. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAgiElEQVR4nO3deVSUV7ou8KfmIoKK4IxDiWEUSrQdSIwDenL7IImhPJpEvblqjLZBxSRK0o16UYxTk8FjPJ6OEofWRNqrsq42ndhxCs52qpXWVlREcYotAjIV1Hj+IBKhCqgRiuL5rcVarm/Y37t3fS++fLVrl0BzWGoCEdUhf/ESqk4OaOkwiFo15hGRdeQx1S0dAnkYYUsHQEREREREzsMCn4iIiIjIg7DAJyIiIiLyICzwiYiIiIg8CAt8IiIiIiIPwgKfiIiIiMi... | [
"each vial . . . the surroundings",
"the surroundings . . . each vial"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAbQUlEQVR4nO3dfYxdd33n8c95uM/juZNx48TjOCFxnRLiKKWQgJqElFWXJQW1KhViFXUr9WFZoGH/abtUu0BFQwtUVGpRu6illVZiF7TVQrYVkDTij5KkhZaqBRwT1MTd4IfBD/GMZ8Z37tx7z8P+cTPO2J6x78N5+J3feb8kS5Y99/x+39+D/TnnnnuuE8dxLAAAAABWcPPuAAAAAIDkEPABAAAAixDwAQAAAIsQ8AEAAACLEPABAAAAixDwAQAAAIsQ8AEAAACLEPA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAgDUlEQVR4nO3df4wc533f8c/Mzv643ePu6S46ikedaImmKlkkZNeWHESilRSpa/1Ai7owHBBugLSpo1/uP0krN7EdOHIiK3CA1IiiNk6AAHakNqitJpAsRTCCWmQsxzYi2RQlw5RsiT9O5FG84x25t7e786N/rI46knfk7u38eGbm/QIEyKfd53m+zzMzns/O7KwVBEEgAAAAAJlgWVbSQzCSnfQAAAAAACBqBB8AAAAAmUfwAQAAAJB5BB8AAAAAmUfwAQAAAJB... | 1 |
math | algebra-2 | describe-linear-and-exponential-growth-and-decay | false | true | How does g(x) change over the interval from x=
–
8 to x=
–
6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAByBUlEQVR4nO3dfXRU9b0v/veeh0yeH0hCAoGE52ggAVFUEBSKVasWDSigokVte+y5tqtdt6fX1XNu1z1nWetdpz391aOeHs9RQKFavaJWMVBUFAoKEiGQgBgC5IGQZCaZmczj3ntm798fcWICAWZgfzMzyfu1lqudyezPfNh75rvf852990i6rusgIiIiIiJDmOLdABERERHRSMKATURERERkIAZsIiIiIiIDMWATUdQ+++wzXH/99VBVdci/v/nmm/jud787zF0RERE... | [
"g(x) increases by 2",
"g(x) decreases by 1",
"g(x) decreases by 3",
"g(x) decreases by 2"
] | null | 3 |
math | precalculus | outliers-in-scatter-plots | true | false | The two scatter plots below show the same data set. Choose the scatter plot in which the outlier is highlighted. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAAFGCAYAAAAFAHYEAAAod0lEQVR4nO3dfXRU9Z0/8PedSTIpzAMMIazgmKxMoIlElMjEkHiOYdvRdvW09vgQW7WaWHXjgrg9WtlDD1mWpWcKyyoCK/zaZj27mxWkxWKPFj1bMN0QJoMpCAlgkjISgk1ChiRc4M5Dcn9/DLnmYSZwYW5mYN6vc3RyPzO53+9Mkjff+/gVZFmW/xIAWi8A5waAkAwiIhomRQBMeiBnEjAjDRD+4pflhv54d4uI6PpQaAZSWi6EF25KA+ZODqcqERF95dwAcPw... | 1 |
math | pre-k | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAACf0lEQVR4nO3UPW5VVxiG0e9e/xTEhC6IiirJEBiSJQaElCkxA8dpqDCtDZZwfHVSHCHRuMJ6jnDWqvbWbt7i0d4ty7Jc3c38cztzc5i5XwZ+2PFu5vnRzO/PZl6ezuyuvi7L++utZ/GUvfl15vjydr28Op3585e1QvhRN4eZiy8zH+9m/r6d2V/frw8i4zE9P1qbmpn5fJjZH757gMf0ral/l5n9tlP4vxAaCaGREBoJoZEQGgmhkRAaieOtBzzkrw9vt57w0zl... | 0 |
science | grade-4 | 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. The engine on a garbage truck burned natural gas. Wood burned in a fireplace, heating a house. Wi... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAADOCAYAAAB4pWlzAAEAAElEQVR4nOz96a8sWZbdif32OcfMfLjTm2PKyMihMmsuNqvIAodusptNSP1BAgQJAgR91/+jf0FoCdCHbjVEsYUWCIlszkMVax6ycoyM8c138MHMztlbH84xd/P77nsvMuIVikXaSrzw6+5m5uZmlvBla++1tvzbc7PvLuHYM2HChAkTJkyYMGHCnwsuE/zpCuQimk3Ec8KECRMmTJgwYcKfNy4TiJnZX/SOTJgwYcKECRMmTPhPA2H8RJy8eumX0NTXrPWF8To... | 1 |
math | grade-4 | compare-fractions-using-models | false | true | Which fraction is greater? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAA8KElEQVR4nO3de1hU9b4/8DeSbbwxcCq8lA6DdkxBAbMsBWF077OTINBtW03dgOmWQg9QeUlN8R52Ebai0CEdUh+E+m25pe1TwRhkktscBcqeIzJYXmKfs12YRNtL/P4Y12pAxBlYay7wfj1PT8rMrO8X5vM8fvjOZ30+Ls3Nzc0gIiIiIiJZ9LD3BoiIiIiIuhIm2EREREREMmKCTUREREQkIybYREREREQyYoJ9S2NjI5YuXQo/Pz/07dsX/v7+2L17t723RU6qubk... | [
"3/6",
"neither; they are equal",
"9/12"
] | null | 2 |
math | grade-2 | more-less-and-equally-likely | false | true | If you select a marble without looking, which color are you more likely to pick? | "iVBORw0KGgoAAAANSUhEUgAAAMYAAACECAYAAADLC1Q6AAAh0UlEQVR4nO2de3AU153vvz0PjWYGvUYaIxhAIAsQlGywEdcQ7NEaykh+LUgkPJxgbNYVMOVKylZShgB27i0kTLxrnEouDs61CVAYvLIjcGVXkNjENhABQgHWKvM2RtKAQI8ZzUjz7O5z/+ie1sxoJM37pf5UqXq6p9V9Wjrf/p3f+Z3fORQhhEBERMQLSbwLICKSiIjCEBHxgygMERE/yOJdgFTmr3/9K7788ku0traivb0dBoMBBoMBCoUCOp0OOp0OEyZMQGFhIZ5... | [
"black",
"light blue",
"neither; black and light blue are equally likely"
] | null | 0 |
math | grade-5 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADmCAYAAADvPPLxAAAc/klEQVR4nO3dfZjVdZ3/8eeZGebOAQbkRtTUNMIls2LTzLtf8lMrWjWxEBHdK1PUNVIDze3y126uWyjiTWQ3kF4bIGEWdiearuAd6eIudmNuSt5A6SRyMwwjMwwzc35/HOhzjjJyM2fO55zveT6uq6v3+3iY87oM7OV3PvP9ptLpdBpJkiRJeVERO4AkSZKUJBZsSZIkKY8s2JIkSVIeWbAlSZKkPLJgS5IkSXlkwZYkSZLyyIItSZIk5ZEFW72zrQ3unAwPzoydRJI... | [
"yes",
"no"
] | null | 1 |
math | grade-8 | identify-linear-and-nonlinear-functions-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABjx0lEQVR4nO3df3Bc9X3v/9dqdyWtfsuSLMkykjEGg4xtMDbExgZTEyCQcGPTXNNOktJJ25Db/Gyndzr99mZucymTmZb0Gxpyk9ybG0ibmdzyhdACkR0TDHbkgLGwZSQTMMbIkm39WP1Y7e+zu+d8/5AlJP/Akn0+Xq31fMx4rP1xXvvWObtn3/vRZ8/xOI7jCAAAAIAr8rJdAAAAAHA5ocEGAAAAXESDDQAAALiIBhvAhNtuu03PPffcxOX/+I//0HXXXSfbtrNXFAA... | [
"linear",
"nonlinear"
] | null | 0 |
math | grade-4 | acute-right-obtuse-and-straight-angles | false | true | Is this angle acute, right, obtuse, or straight? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAAHDklEQVR4nO3dMWyc9R3H4a+tQOyAwTgZkJpwZinqQO2wkckoHamaDO2KGelkWqbSikCrVqragCdGjJjaDnEEypZyMETdeENZgOWMU7FgepEjxyEl18H4IHC++I6/U73leSbfeyfrN3700/v+35FOp9MJAABQxOj/egAAAPh/IrABAKCgbxXYrbVW2hvtQqMAAED9favAXrqwlOVqudAoAABQf0MHdnujncXziwIbAAC+YujAfnb52bSvtnP24tm01loFRwIAgPoaKrD... | [
"obtuse",
"acute",
"straight",
"right"
] | null | 2 |
math | kindergarten | square-corners | true | false | Which shape has 4 square corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAE8ElEQVR4nO3bv2udVQDG8ee9NwkhaZMhog1kCIq1BSmRgqlUJEsXwS5CFykddBD0v1HBoUspXQSXCC4ZDFKxDYihCOkPlQ6BRDRDb5qQXnP7OhwuuNy+B5r7nPO+/X6WNAR6zvDlJnmf3KIsy3K7K/2+L+32pMNSwHMbKaTjben1CemVManYflKWa53U10KTLU5JIw/2wyezY9Ibk6FC4Hnt9qR7e9JWV7q/L7U6h+ELRIajdLwdmpKkxz2p1fvfF4Cj1G/q31J... | 1 |
math | algebra-1 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABkwklEQVR4nO3de3xV9b3n//fO3rkHSEggiYEEEcGCBEXRglCxWLXa2kLbg+30YsczPXZq7XR+0/PrnEfbOe3Dn9PHnNOe33Gs03Gm42Ue/T069VRthQaKgkKhgkQIJCpiwFyAXHau+772Zf3+CImJBNg7rC87O3k9Hw8fJjtZ73xYa+21P3vtz17bZdu2LQAAAACOyEp3AQAAAMBUQoMNAAAAOIgGGwAAAHAQDTaAMaqqqrRv376R70+ePKk5c+aopaUljVUBAJA5aLA... | [
"$\\{y \\mid y \\geq 0\\}$",
"$\\{y \\mid y>0\\}$",
"all real numbers",
"$\\{y \\mid y<3\\}$"
] | null | 0 |
math | grade-3 | scalene-isosceles-and-equilateral-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADMCAYAAABJC9ShAAAoGUlEQVR4nO3de3TU9Z3/8ddkwhAGcCAmSowRQg0aIEGTotBqhJZYiEIjdZvtJdt2Mba/bc6vv3oIdXsEtyjdswuuW+ju73CqNdbN/uyJiibUFGgcJiEQwk1AAYNLIIRbAoRcxtzm8vsjZNopKpdM8p3L8/FfmG++n9d4+OPll8/3/TF5vV6vAAAAAARElNEBAAAAgHBCwQY+w44dO7R69WotXLhQ48eP14MPPmh0JAAAEAKijQ4ABIutW7dq27Zt2rp1q2pqatTd3e3... | [
"isosceles but not equilateral",
"scalene",
"equilateral"
] | null | 2 |
technology | grade | parts | false | true | What kind of computer component do you see here? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAEsCAYAAACLwdvQAAEAAElEQVR4nOz9eZxdx3Xfi36r9nTm0316HtBozAQIzhRHUbMoyZLHOHHs2E5iP9uZ7rs39o3vc+LYse99yfvEzn1xEttRPM+WbMuyJEskRYojSIIgSMxooLvR83jmec91/zjdYKPZEwBSlGOsz+d8zj5n71qrdu21f7Vq1apVIggdxU2QCLwtz4dhuOV5Ddk6UOqtb6VQK7+3K+8HzZ1VdDPygquHakXuqmyl1LbyEf41Zdcfb8UbQHk+Qoi32K079n3/2uvX8dCF2vD... | [
"Heat Sink",
"Processor (CPU)",
"Display Adapter/Video Card",
"SATA Bus"
] | null | 1 |
math | grade-8 | mean-median-mode-and-range-find-the-missing-number | false | true | Terrence has the following data: If the mode is 17, which number could g be? | "iVBORw0KGgoAAAANSUhEUgAAATQAAAAkCAYAAAAHIMawAAAGa0lEQVR4nO3ca2xUdRrH8e9c2hk6M+U2nd4LUgoFlSLgbdloBKFBRfASg/G6iRt2s9lLNjHGF6u+0Ve+URPXGFdURFFjomIBSUyIRKBcCqWKdIpV6UyLMJ1ehrYz0zlzfFFgHVptgTnn/Jk8n3c9l84vz/nPM+fyn7Hpuq4DpFIQj0M6DegIIYTabGC3g9sNTufZRbqu64k4JBLWZhNCiEvlcoHLDU4tJc1MCHFlSyTA4QS7NDMhRC5IJsCuaVbHEEKIy6dpYNflAYA... | [
"17",
"13"
] | null | 0 |
science | grade-2 | identify-animals-with-and-without-backbones | true | false | Select the animal that does not have a backbone. Hint: Insects, spiders, and worms do not have backbones. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9V5Bk2X3f+37Te++zsrKyvK/qMt1d7Xu6e0yP9wMPkARIiEa0IiUeURQkkRQlUgQJEiRAgiAGbgwwHuN62ntT3rssn957n+cBceNE3IBuIDQv50bw/7J3/GM/7fjEL9baa++1BXeT9XqnCjQi/rX+tf5fWekqLGfBXwKDGI7qf9oX/ivcf63/t5dGBJ2qn55nqv9PX/ivcP+1/v+h/j9Oy/X/pyf+WRf+51/8FJSjVCRa4oFtPrpyhzwKDg11YNE... | 0 |
science | grade-3 | use-climate-data-to-make-predictions | false | true | Which month is the wettest on average in Cairo? Use the graph to answer the question below. | "iVBORw0KGgoAAAANSUhEUgAAAcMAAAFJCAYAAADnrUZgAABkTElEQVR4nO39eVyU5734/79mhn0HQVlkcQNEWVVAcYlrTNS4pomNTWzSNEnbTz09Wdqk6e+0OSdpzjmNTbP0NPacahKzaaIx4hb3XaLIqmyygyIgO8IMs3z/4Dd3RUAxzoDK+/l4+Ejmnvu+r2uGe+73fe0qk8lkQgghhBjE1AOdASGEEGKg2Qx0BsTN5efn89ZbbwEQGBjIq6++OsA5Gpw2bNjAyZMnmTVrFo888kifjztx4gQffvghw4cP53e/+53F82Xt8/fk5Zd... | [
"July",
"September",
"January"
] | null | 2 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAhGElEQVR4nO3deXxU9b3/8feZDJPJAAEFwSibyFINuASVIgER3AWkatVeFbTWpa33/m4X7b7e9tfW3trf79Hb29a6tvantxXFBXcFoqggoAiCIgqCSlkiEMJkZnJy5vcHZL5DNhIyy1lez7/OwEhOhvzx5u3nfL5WOp1OCwAAAEBOhIp9AwAAAICfELABAACAHCJgAwAAADlEwAYAAAByiIANAAAA5BABGwAAAMghAjYAAACQQwTsQ/Sjhxo05w/12rm32HcCAAAAN7E... | [
"2 pairs",
"1 pair",
"no pairs"
] | null | 2 |
math | grade-1 | select-three-dimensional-shapes | true | false | Which shape is a rectangular prism? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAiX0lEQVR4nO2deXjT15nvP9osyZIlW94XjG1sgw2YgNnDlj0pgYYkTVPa3HbuTaeZzLRNO53pM52m7bS36b2daZvp9KbJpDNPp520JCEroQnZSAxhMTZgbMALXvEuy1ptSdbyu38Iq0AIYFvST7J/n+fJk9jIv/M6fHV0zvme931lgiAIgxNwbhycAfALSEjEHUoZpCigLBmyk0A26BWEWofYYUlIXD9rDKBsGw99kZsEC3UhVUtIxBvOALSMwcAEtI6D3OEP/YE... | 0 |
science | grade-4 | compare-strengths-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | "iVBORw0KGgoAAAANSUhEUgAAAmYAAACXCAYAAAC/fZcfAAAOuklEQVR4nO3dfWxU9Z7H8c902umUsi2FFmlv61bbXpo7dRUfYyAgtkKKIKZi1GsjdJUgV9AsMVk3y7ok6gaM68O9a8CH21hUuAkxRiASyRLrUvxDba4FLQKlULUtl4e2YGunzNP+QRjt7QPTdjrnd6bvV0JCT8/8znfO75zvfObMaesIhUIhAQAAwHIJVhcAAACASwhmNvb111/L4XD0++dyuVRcXKxnnnlG3d3dIxpv2bJlKisrG1Uthw4dUnFxsaZMmTKqxwOYuEz... | [
"The magnetic force is weaker in Pair 1.",
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is weaker in Pair 2."
] | null | 2 |
math | kindergarten | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAZHUlEQVR4nO2d629c93nnP+d+meFweNH9rlCUbclRfEkUO3Ysp8BmgyZYbLIIkkXbLPZNW6Rpi77ZP2HfbmME2GJvKdpmu9sXWzRtF80Wazn1xpYS23FMWRZFS6IsUaJ458y53/bFISlSN0okNXPOzO8DEIJGIvmbc758+Pye7/N7jpRlWXYzhDEXGgnEGQJB4VAl6FHgiA07dJBuBll2drHdyxIIHp6TNVAvuvlfdulwtJKrWiAoGo0ELjhwI4RRF+TFOP8HIVp... | 0 |
math | kindergarten | fewer-more-and-same | false | true | Are there more ladybugs than leaves? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACgCAYAAAA2PRuAAAAlC0lEQVR4nO3daZxcdZ3v8c+pvapr631PZ19JIOw7uOGGQVlFBhARlXHmjst1xqvjOKKOM3eZcVzGUbg4o4IL4KgIEhYRCBCRPWQlSSe9ptNbLV171TnzoEnHFtAkfbq7uvr7fpSqrjr9/1SqT/9ep6tOGZZlWYiIiIiIiC0cs70AEREREZFKogFbRERERMRGGrBFRERERGykAVtERERExEYasEVEREREbKQBW0RERETERhqwRURERERspAFbRERERMRGGrBFRERERGy... | [
"yes",
"no"
] | null | 0 |
math | grade-7 | identify-linear-and-nonlinear-functions | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AACFbUlEQVR4nO39eXRc1Zkvfn9LVaV5tCRLsoxkjLGMjOQJ43jCJiZAIEBMQkyn0wl9SbLgdsbVK32zeqXz3qa5/HI7ne5f6ITk0jc3hE7um8ZvMxthDB4jgwdhy5Y8ybKtwXKVVBpKNZ8azvtH1ZGqZA017F1Hwt/PWixK5apHW3vvs89z9tnnHIOqqiqIiIiIiEiIDL0LQERERET0ScIEm4iIiIhIICbYREREREQCMcEmojF33XUXXn/99bGf33zzTdx2220IhUL6FYq... | [
"linear",
"nonlinear"
] | null | 1 |
math | kindergarten | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGfUlEQVR4nO3dzU4bVxjG8ccQskiTdlO16gW0vYRcRW+23WFh8MJGMkiOkIzkxt5ZKnUrxjDg72G6mLgiYIx95ny855znt2lJ2mYW/4KZx8yp5HmeX82B3hhIM2CZg6i0NxXgwz7w8zvgx7dA5WqW561b15dFIfv4LfDm87j44Ke3wK/fFBUSlZVmQPce+GsO/DkG9m6XxW8wMtLpw37RFADcZcBe9ug3iHRaNbXIgT23l0KxYGhkBUMjKxgaWcHQyAqGRlYwNLK... | 1 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-20 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAXNklEQVR4nO3de1BU590H8O9ykyJXFVRSwoqtGA2KSgS0KV5Gc49aI9VMJmJrTEz72mjGMSZ2ogmtpuaiEzqZ2MzU2hTHW8GY1tH3NQKOyEUErTqaRl2ULBgXBLkKK/v+cTwLiAi7HPZ5zvL9zDC77DKb3zfgPr99znOeY7DZbDZQv3K1Dlj4f8CJH4DCeUBcqOiKnMMccmEOuTAHEZE4HqILINfabwJi9yqDlp4xh1yYQy7MQUQkFhvsfuRWMzD/f4FV44DNCaKrcR5... | [
"9–7=2",
"10–7=3",
"10–8=2",
"9–8=1"
] | null | 0 |
math | grade-3 | identify-equivalent-fractions-on-number-lines | false | true | Each of these number lines shows a fraction. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAAAjRklEQVR4nO3df2zU+X3n8df4J8bYHu94svZ4WRM2OX6tCwVjPCiGpqHXJIi9lkCxuC1H77gkOqErVCed2kp316vSHn+c1HRbzkZinaurq0qgZ9qDNlqIahNkr202CQsBsvFi2DD+Md4dD/45fMfM/WHGsXcBm+Vrf77fmefjHzPfsdBL4/nx8tuf7+frSSQSCQEAAACwRYbpAAAAAEAqoWADAAAANsoyHQCAfS5/8GN94a/+/fTtvKxcLS98UfvW/pr+89YDys/OM5g... | [
"C",
"A",
"B"
] | null | 0 |
math | grade-1 | purchases-do-you-have-enough-money | false | true |
An orange lollipop costs 16 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABuCAYAAABSgmeUAABdyElEQVR4nO3dd3hUVf748ff0kslMyqSSTkIChI4UIRQLWJcVFVTsgrpW1sou1l1396uua/lZ1921Y1uliCIoKkWl9xJaCOm9TDKZPuf3R5i7hCSQUFTwvJ4nj3jnzi1n7pz7uWfO+RyVEEIgSZIkSZIkSdJpQf1zH4AkSZIkSZIkSSeODPAlSZIkSZIk6TRywgP8Bp8gfbGDQd800eCTvX8kSZIkSZIk6afUrQB/XrmPx/PdRwzcv6vxU9gSZFNjgBvWtxz3AUqSJEm... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 10 − 9 = 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAgwAAABKCAYAAADXGAxXAAAQ/ElEQVR4nO3dW3Mb533H8e+zuwB4AEnwINKyaEu2ZVquj2IaRUzdQzJpU0/sRBM7R49j5KbTmb6OvoteSMn4ojNxmknaJJ52kkzTKRlZoqzYrq2DbcqUTIoUKZLgAafdpxdLkAQJETwAWHry+8xwIIgLcL98ePEfYLFrrLV2Mg/XlyHjQ9EiIiIif+I8A20uPNoCfXEwkzlrzy9EvVsiIiJyUH2hHbxry+Gdw3F4rDWcJkRERORPW8aHK0swkYery+AsFMNvaFg... | 0 |
math | grade-6 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAExklEQVR4nO3dP2wTZxjH8SeQCCV1WqOCkItU6v5RKUENQyp182VjQ10z2RJDR9SVDhepXatu7YBkL1XWsHRMlExFMJxQQalQQ0GiUUWkGDmxcUn6doA0JXfOnc9n+717vh8JRTqff3c5vz9iksvDSKlUMo7jSBJWVlbEGCPkxc9bXl5OJGvYHMex+jpryxt1HEdc100kcH5+Xowx5PWQlxWsK7vyjiWSBMBqFB1QgKIDClB0QAGKDihA0QEFKDqgAEUHFKDogAIUHVC... | [
"reflected",
"translated",
"rotated"
] | null | 0 |
science | grade-5 | animal-adaptations-feet-and-limbs | true | true | Painted storks live near marshes in southern Asia. They eat fish that live in shallow water. Painted storks hunt their prey by walking through water, or wading.
The painted stork's legs are adapted for wading. They are lightweight and keep the bird's body above the water. Which animal's legs are also adapted for wading... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydeZyUxbX+v6fqfbtnGGbYQRFQdlEUxQVFRUGNO1GDu4lb1Gjcr8YlidFgjFGjuSruSdyNS9ww8YpLrhsiCoi7iCCLsm/DrN3vW+f3R1U3DOugqLn59XM/3Djd/VbVW1Vv9zmnnvMcUVVNkgTnHCWUUEIJJZRQQgkllFDC/00YY4iiCMnn81oy7ksooYQSSiihhBJKKOH/PowxmJJxX0IJJZRQQgkllFBCCf8ZcM5hvu9BlFBCCSWUUEIJJZRQQgkbDyU... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d7wlRZn//36qus+5d3IGBgaBGQaGqGRBUJKSRNEhCUoSXFERWBTUNbC4Jgz7kySCCoIRF0RcXeKuShwcMkjOYZg8d+aGc7qrnt8fVd3nnJvmDgzi7vd8Xq8zc2+fDtXV1X37U8/n+TyiqprnOd572mijjTbaaKONNtpoo43/nTDGkCQJIvJmN6WNNv5PwrSJcxtttNFGG2200UYbbfzvh/eePM/f7Ga00cb/WZg2cW6jjTbaaKONNtpoo43/G2i... | 1 |
math | algebra-1 | special-right-triangles | false | true | Find y. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACCCAYAAAB8Wb+9AAAelUlEQVR4nO3deXSU9d338fc1S9ZJZsk2AQsJVlA8RbD2AXdqXcp9uyNaCgKl8Vh76rmrj8dHe/u43VgttWK9e6wLbiBWK6JWn3JbFxahSoETtYIVheASsk9mJjOZzHo9f0QDyBbCJDNJPq9zOE7ItXwT+eMzv/n+rq9hmqaJiIiIiIikhSXTBYiIiIiIDCUK2CIiIiIiaaSALSIiIiKSRgrYIiIiIiJppIAtIiIiIpJGCtgiIiIiImmkgC0iIiIikkYK2CIiIiIiaWT... | [
"16 inches",
"$4 \\sqrt{6}$ inches",
"8 inches",
"$4 \\sqrt{3}$ inches"
] | null | 2 |
math | grade-6 | interpret-graphs-of-proportional-relationships | false | true | Kimi has outgrown the bike she rode when she was small. So, for her twelfth birthday, her parents surprise her with a five-speed Blaze Rider 2000! Kimi has never had a bike with multiple speeds before, and she is eager to learn how it works. She starts by testing the middle speed. The graph shows the proportional relat... | "iVBORw0KGgoAAAANSUhEUgAAAioAAAI0CAYAAAAz7AJYAABtjklEQVR4nO3deXxTdb4//lf27k2btKUttMhSECggKosIirgg+6aAOuodx4fO4KhzddbvOPeO20/vjDqj4MKo473jCILgxiICCkUUREBkLxRaCqFL2iRN2yQnJzm/P1ICtSm0pck5p309H4/7uDZpklfPhPTV8z7nczSSJEkgIiIiUiCt3AGIiIiIWsOiQkRERIrFokJERESK1eWLyvjx4/HRRx+Fv/7kk09w+eWXIxgMyheKiIiI2qTLF5WhQ4fiwIED4a+fffZZ/Pn... | [
"The wheels rotate 4 times when she pedals 6 times.",
"The wheels rotate 6 times when she pedals 4 times."
] | null | 1 |
math | grade-7 | rational-numbers-find-the-sign | false | true | The number line shows an unknown number, y. Is – y positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAGJ0lEQVR4nO3dXWhTZwDG8eekJo1Ju9p1dTrw425QHEVaY1vc5tUu5lyJOMFdVDeZoAgTBnq7C5F554aCDjeGwyIOIp1DtssoQpO2SiDY7Wa2ytT5gaL9StL27CImtdbanGnyNsn/B6E9J4fylNw8ed/3vMeybdsWABSRzs5OWZalrVu3mo6CAuEzR7FbYDoAADh148YN0xFQYHzmKHY5F65UKqW+vj5FIhEtXry4PL9lxLqk2K/S7b/Sx0velhrbpcaPzeYCAAAF1dn... | [
"positive",
"negative"
] | null | 0 |
math | kindergarten | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 4? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAqdElEQVR4nO3deXRU9f3/8eedPZN1sieQjRB2SBBFw2IIUFsxJFKRVkW26rdfvyJaes7X2v5shR7bntPTHqAu39ayKn571C87KFUxyGowhLCvCUkIIftkMsnsc39/jIkgARIg3HH4PM7xqJmbuXPf+bw+c5fP/VxJlmX5khPOtkOrB9wygiD0Eo0EoWrIMEKcDqRLDlkusij9sQTh7nN/GGjOtPv+J0EHA4N96RQEoXe0euBUG9Q44XQ7qCxu3wsifILQ+0LVvqw... | 0 |
technology | grade | peripherals | false | true | What kind of computer peripheral do you see here? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAEsCAYAAACLwdvQAAEAAElEQVR4nOz9aZBl2XXfi/32cM65U85ZWXN1dzUaczfmgYQAcBQogCQokRTfI0VaFCWZlh0SLYUsK8ISQyGFQ4wXDlmOoKQP/PQUL/xMPT9JDMsSJRMESIAYG93oubu6qmvMqpzzjmfagz/sc+69mZVV2Y3qGbk6buetO5x7hn3WXvu//uu/xKPf+ZbnHsz7u39dSnkvm39VTQix5y8cvv/Tnz3s/Xpb09ucfn7Q79+rvZrbeiO275y7p9+X9zR6wb22h/cDb4fdH/f... | [
"Slide scanner",
"Ink cartridge",
"Game cartridge",
"Mouse pad"
] | null | 2 |
science | grade-3 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADETUlEQVR4nOz92a9tWZbeh/1ms9rd79PfLvqIbCurTxaroUiRlmzDFASRMkDAfvCT4f/AgF/04kdbDwZkGDYhGpAEd6AoShAlFk2yilVFZlZWVmUTGdlExO1Pf3a79upm44e59r7n3rhViKrggwxwAQf7tPvsvdZYY475je/7hvj2wvsPejBQ/Jvj3xz/gzxWFn5cwGkDEw2/MQ7fl/8mcP/N8T/0Y6Dgg174fG1ffF/+m8D9N8f/PxzbOG39i+/p1/3ip//k/4y... | 1 |
math | grade-1 | comparing-review | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAagAAABeCAYAAAB2DoBwAAAGVUlEQVR4nO3dP29TZxiG8duxISa1C8JRI0g21IShqhck6FZ7DxMTEXTtB2jXRmEtUj9DIyVTprDbHRGigzsFaLY4gIgrhMFJqK3TwbUah3Mc/3mPz+PT67dQSvW+53KGWwEXJzzP8159lP5sSPWW1PQEAMDYpRJSNil9OSPNnZcSr44978m7qB8LAID/3PxcSr1otH9y5by09Fl7vQAAGLd6S3r2QXr5UXrekKbeNdu/wDgBAKKUTba3SJLet6Sp1olfAAAgSp0... | 1 |
math | grade-1 | compare-vertices-edges-and-faces | true | false |
Which figure has more faces? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAAWaElEQVR4nO2de0DN5x/HXx2dnElibgtbGfITK8PIj63wG21G2KJ+bk0Xy7IsptrmV7aZ2ahsyyVMjWHGsGFuIzOhqMNWyKVoqVR0Uet6vr8/js6yodu5fI/O6x+XznmeD8/7PM/3+Tzv53OMBEEQssrhcgkUVUGlgIFHGGMjMGsGPVpARxMwyioThLhCXYdlQBcMagXGl0qUf7AwgZ6mSnUYeHQpqoKLxZBZDiklICmsVP7AMPhNA7NmyrEGuFMFkqoaPzDQNKg... | 1 |
math | kindergarten | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABYrUlEQVR4nO3de1zT590//lc4JIAJhwSFxAPBA1gLlRbXVXcA2k67u1Kx7brWbhN36P3r1rW47u6O9y2u9773dm+7xe5ed17pDu5UJxa3VVZnaO/J2kkNjVWDVYOHAEowkMghEPL7gyYLksOVE+Hwej4ePIrJdV2ftzU8eOfK+/O+JC6XywUiIiIiIoqKhHgHQEREREQ0mzDBJiIiIiKKIibYRERERERRxASbiIiIiCiKmGATEREREUVRUrwDoPhzjg1jdGzI62sQo2P... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5AAAAEJCAYAAADiusiGAABjG0lEQVR4nO3dfVzb5b0//le4+XDTBCihhaQ3hNaC1lJQus12U0Bd645iqTo3nbV0057ftqo4nds583xb53bObtwp1Z1tp7qJtqe7a1cq3SZM16Bn5eiKDU21hdo29CaBSmgglJtAyO8PTAaFJFfuSAiv5+PBo5C8r+t6lwbNm+tO5nA4HCAiIiIioqCQyWThToEoZGLCnQARERERERFNDywgiYiIiIiISAgLSCIiIiIiIhLCApKIiIiIiIiEsIAkIiIiIiIiIXH... | 0 |
engineer | grade-6 | identify-independent-and-dependent-variables | false | true | Hint: An independent variable is a variable whose effect you are investigating. A dependent variable is a variable that you measure. Which of the following was an independent variable in this experiment? The passage below describes an experiment. Read the passage and think about the variables that are described. Kurt w... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAF7CAYAAAC5EbJKAAEAAElEQVR4nOz92Y4tWZKmiX2yRlXdg5mdyd0jIrOyqrPI7ovmJV+q3qWeiA9BEGgCBFFDZGSED2ewYe+tqmsUXqztHokG+5IZSaAUMJwT4X6Om+lWlSXyyz/If/pP/0n5H9f/uP7H9T+u/z+6/vN//s9/k/+uA/i//T/+70gQWKAvjXboyEmxDxZ3cDx9eM88HXh3/MTT8o6zfY/vAZKl9sy37c9cb898+fMXPv/pR/afb+S3nf3Lje3lRtCAEQdYuhHi4cjp3SPH04k... | [
"the temperature of the heating pad",
"the number of days until a seed germinated"
] | null | 0 |
math | calculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval (1,7)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACC7UlEQVR4nO3deWAU55kn/m/fLal1S0ggkDCXbGFJnOYw2Bw+iK8JJF47ycTxTMaJs7lnkt35ZWc8OxmvN7tJJhPnGCeTbGzPejYTZ3xjgbERh4U5JEAggYUQoBMdLXW3+qyq7qrfH1I3NCDUkupVS/D9/GHc1V1PParqrn7q7bfe16BpmgYiIiIiItKFMdkJEBERERHdSFhgExERERHpiAU2EREREZGOWGATUZzdu3dj7ty5ePDBBwEADz/8MF5//fVrvlZRFKxevRo... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | which-picture-graph-is-correct | true | true | Emma went to the farmers' market. She bought these foods. Which picture graph shows the right number of each food? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADhCAYAAADyOcJJAAA7J0lEQVR4nO3deZwU9bkv/k9V9TYLDDBswzjsBHTUIcQYjQsQr1s0URMT8/qdGzExJLn5xWhujvuNmOPJMQkmHk30kJijUbzR4wISN0Q54gKCIgIqDAzLwGw9a2/V3dW13j/a2eiaYYbu6e6a/rz/gflWd/Uzw/B6fbr6qecrWJZlgYiIiIiIMkLMdQFERERERKMJAzYRERERUQYxYBMRERERZRADNhERERFRBjFgExERERFlEAM2EREREVEGMWATEREREWUQAzYRERE... | null | [
"iVBORw0KGgoAAAANSUhEUgAABK0AAADwCAYAAADCZpfoAAB9fElEQVR4nO3dd3hU1dYG8PdMTwcSQkLoRToJTVFEwAIqIKBwxXbBAlYuehVsV8WKftjQq2IvYEGQcgWliCACgqIC0kNJCCGTnuntlO+PMZkMM4GETDKT5P09j0+Sfc6cs2aBZGbN3msLABQQEREREVFIKIoCoxs4YgcsEiDy1TYREdFZaQQgTg10jQZa6bxjAli0IiIiIiIKGaNLwa/mcEdBRETUcF0QDyTrAE24AyEiIiIiakwy7d6vqTqgW4z3U2MiIiI6M4s... | 1 |
science | grade-2 | compare-properties-of-materials | true | false | Which would stretch more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAs+ElEQVR4nO2dW2xj2XWmP14lShRFUlLpfld1V6cBz0z7DntgI7A9gIFxP5SNIGgYQWAgQPKS5CF5ywXIix8S5CF5SfIQIEicBAgCxGPEQNz2jMfumXi6Hbedjt11UelapdKFEilSJMXLOfOwzubZZJHSOSRFUSJ/gNCN3Drk+c/aa/3r3/t43k6Z5svDMOKjjz46inQZHpzBXgFifvhkVH7v7ROyj+vCiA9eHpbvM2X7994+Ifu4Tij+FU37d97rOZQ++miMPin... | 1 |
math | algebra-2 | classify-variation | true | false | Which equation shows inverse variation? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA6CAYAAABS36B3AAAF6klEQVR4nO3db0hTexgH8O/x2Ml29wdCrlsvjEV6BwqbRBqE4AoqghuOaG96IxWUVKM3EUVRvYigCKJIKBCDFGtgkbdcpFH2wtroRSKSmzeEIvTiKMq55d/nvtid9+6mqZu/c9Z6PjCc5/zOs2fw5Xf+7LBJRERD48CfUWBkCpgkMLZouRJgkIEiHVCgANLQGFHgi9ZtsWxSYQRy+6PxfywK8Nsv8dQxtlgjU0BwFBgcB0JRIOfLZHwFh4qlwyDHMwQAkSkgZ+o... | 1 |
math | algebra-1 | identify-functions | false | true | Look at this set of ordered pairs: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABaCAYAAACCNCH/AAAVeUlEQVR4nO3dfUyV5/3H8TenB0Ea4CC0HujBWqdAdRIfmSikghUQosWHxbSALupKfVibLbM6u9gmdit2LDEdTSDGp2rTIugaKjglqGRIVawJAmphEjv1QAc6wBaxHLj3R+f59Qx1oAdtfvu8Ev7gez197/PXN1eu+7o9DMMwEBERERERtzA96gRERERERP4/UYEtIiIiIuJGKrBFRERERNzIWWDb7XasVit79uwB4Pr166xatYrQ0FB8fX2ZOnUqRUVFLoO/+eYb1qx... | [
"no",
"yes"
] | null | 0 |
math | pre-k | represent-numbers-with-pictures-up-to-3 | true | false | Which shows 2? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAWC0lEQVR4nO3deXCc52Hf8e/77n3gWIC4CIAHABIQb4qXKOqMKEp0JlFcT2MnbiZ1MtOZKlWm0+lkkvSPdlq3/qeTNp0mM8mME8d2dMSxbCexHV2WREqyxFu8L4AUCZC4iGux9+779I8FCEGieIXLh6l+nxkOCbzvvu8uyC/fd5/3WMcYYwbzcDYNyRIUDSJSIX4HqnywLApNQXAGc8bsmbL9tEQ+f7ZUg/9MuvxFSxC6Y+U6RaQykiU4lYLLeTidBneqWJ6g+EQ... | 1 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-10 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAUmElEQVR4nO3de1DVdf7H8RcgSIhcTNDYNQh3hDTymnip9dLYZdvStjTdcZJas7Vt3XJ/jlnNrBabtq1tTe40Wc26buF4W9BqHZvRAH+LXETQXzraJqES4IoIchVOnN8f384hBJWDR77ne87zMeOcc77nzOH9kQPfF5/v5+Jnt9vtAgAAAOAW/mYXAAAAAHgTAjaAa9Zgkz47Jc3fKwW+L60qNLsiAADM08fsAgBY37YS6dn/ldok2Rh0BgDwcfRgA7hmC4ZJdU9KXz1... | [
"9–1=8",
"10–1=9",
"13–5=8",
"9–2=7"
] | null | 0 |
math | grade-2 | find-the-next-shape-in-a-repeating-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAUpUlEQVR4nO3dzY8c95kf8Keq+m04MxySlijJY9krEzakIIh0sOWDJSy8NiJg9+RTsJfdPyEQcrURZK1Dbj4HSO4+BMgpsRFoYxirwIm8B8mALcIbObZFEpIokSKHQ06/VNUeRiO+iEN2z3TXGz8fQBdxuqqeR0+L3/rNr6uTsizLAAAAOiGt+wIAAIDlEfABAKBDBHwAAOgQAR8AADpEwAcAgA4R8AEAoEMEfAAA6BABHwAAOkTABwCADhHwAQCgQwR8AADoEAEfAAA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAXRUlEQVR4nO3dzY8l5b0f8F/Vee33mTHMgNvgCyMjiKLAAsPCoCvHVpDuXbFKssn9EyKUra0oMYvsWEdK9ncRKavkWhE3lnWJuMFZgCUM4gYHw0yLmYEeoOmePi9VlUXTzDCvfbrPqbf5fCQWzPSpen6Pfn3mfKue81RSFEURAABAKyRJUvUQaimtegAAAACLJvgAAACtJ/gAAACtJ/gAAACtJ/gAAACtJ/gAAACtJ/gAAACtJ/gAAACtJ/gAAACtJ/gAAACtJ/g... | 1 |
math | grade-1 | name-the-three-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAENCAYAAAA1yBIEAAAp7ElEQVR4nO3d6U8de57f8U/VqToLmw3YgNm3A3b3dKtb6m51j5IeaTrKpmiiZCJleZA8yj+UJ1HyIJpH83QiTSJl7r22AWPAxpdrX294v/a18XINhrNw1qrKg+JgsLGN8TmnzvJ+SaPpi1m+BiN9zqe+9SvD8zxPAAAAAMrCDHoAAAAAoJEQsAEAAIAyImADAAAAZUTABgAAAMqIgA0AAACUEQEbAAAAKCMCNgAAAFBGBGwAAACgjKygB0D1/M3//Ekvnxf0b/9Dl+L... | [
"rectangular prism",
"cone",
"cylinder"
] | null | 1 |
math | algebra-2 | linear-functions-over-unit-intervals | false | true | How does f(x) change over the interval from x=8 to x=9? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABzQ0lEQVR4nO3deXxT550v/o8syfsib9jGxAbCFhsbcOIQiB1IoElastkkQ9pX06Q3006ahaTTdqa/3k7vtE1zM7dJmhBgMu10ssz0Tm8WIE2IIRA2xzQYHDDYJCw2eMHItmztyzlazu8PKtcymwXnsST78/4nsezz1ZfzSEef8+jRkUZRFAVERERERKSKuEg3QEREREQ0njBgExERERGpiAGbiIiIiEhFDNhEFGLHjh2YOnUqVqxYAQC4++67sXHjxgv+rdfrxU033YT... | [
"f(x) increases by 100%",
"f(x) increases by 1",
"f(x) decreases by 1",
"f(x) increases by 200%"
] | null | 1 |
math | kindergarten | count-scattered-shapes-up-to-10 | false | true | How many rectangles are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE4CAYAAAAuIofKAAAHMElEQVR4nO3asW0iURhG0efVJM7cgUktOYWUzHIrdEQ9hFRBJ7MBgRuY5Xkv50gv/8I7v+ZlXdd1AAAACX9mDwAAALYj8AEAIETgAwBAiMAHAIAQgQ8AACECHwAAQgQ+AACECHwAAAgR+AAAECLwAQAgROADAECIwAcAgBCBDwAAIQIfAABCltkD4OndrmNczrNXzPf6NsbH1xif37OXAMB/TeA/ioj7cTyN8b6fvQIAIMkvOgAAECLwAQAgROADAECIwAcAgBCBDwA... | [
"5",
"8",
"4",
"2"
] | null | 1 |
math | algebra-1 | domain-and-range-of-square-root-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABc1klEQVR4nO3df3RU9b3v/9f8ym9CQgIJRhJEhBZMUBQsCIoHqx5ttdDTi+3qD8/ynB57a+3t+t7e1e9Zbe85/bq8Xfec9nzrsb293uOp2u9Zq7feqqeCgWJFoKGCRAgk/ooRQgLkx5BJMr/3zOz9/QOTEn5IBvaHYeD5+EdnMvuVN3vP7HnNzp4Zj+M4jgAAAAC4wpvrAQAAAIBLCQUbAAAAcBEFGwAAAHARBRvABHV1ddqxY8f45QMHDmj69Onq7u7O4VQAAOQPCja... | [
"$\\{y \\mid y \\geq 1\\}$",
"$\\{y \\mid y \\leq 1\\}$",
"$\\{y \\mid y \\geq 0\\}$",
"$\\{y \\mid y \\leq 0\\}$"
] | null | 2 |
math | grade-3 | read-a-calendar | false | true | What day of the week is November 8? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAF2CAYAAAAbcOzWAABeKklEQVR4nO3deVxU9f7H8RcDIoqCAgLu4ooLoqK5IJn7li1m3qvXX5ZaWdat7GpeSrNbZmm3W1ZXu2mplWlqJWqKW6CSmopiKq64Ee4IimzqzO8PYpJAHZRh5PB+Ph4+hDlnZj7z4czMe77ne844WSwWC9fZdT6avckxXMg6jYiIiIjcucpl/WjiFUpz706OLkVKAafrA/6uc9EkZ52gjX9fyjiXASw3uaqIiIiI3JoTV65d4ZdTy/EuW4PmPvc5uiAxONP1v+y9EEM... | [
"Monday",
"Tuesday"
] | null | 1 |
math | kindergarten | compare-sides-and-corners | true | false | Which shape has more sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAEZElEQVR4nO3ava4VVRjH4f/eZwMJgiYWGG2s0Mae3lB6CVZegAU3wB1YWFp6HcYLoKbBY41IyYGTgOc4FjsHJHydjz2zZt71PNWeTLLyFr+szKzZq2EYhkcvkj8Pk4Pj5GgILNZmlVzfS25eTT67nKwePR+Ge09ajwW7d+vjZLN/uL34/HLy9Ufb+mGpDo6TB8+Sv14kfxwm6ydH2xvipoLre9uWk+TpcbI+/t8NqOCk5X+GZN12FBiXwClN4JQmcEoTOKUJnNI... | 0 |
math | grade-8 | identify-linear-and-nonlinear-functions-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABioklEQVR4nO39fXSU9b3v/7/mLvcJCQkmEUkAEWowQVCwIChurLq1tYXeYLt23e5ju489tXer355vf3u1XafdHk/X2rX7W7d6erp3T9V9ulZP3bW2ipFiRaBJJRIhkGAlIoQEyM2Qu5nMzTUz1/X7IyQSAUnk+jAZeD7WYpGZzPXKO9dn5jPv+eSaazyO4zgCAAAA4ApvugsAAAAALiY02AAAAICLaLABAAAAF9FgAxh300036bnnnhu//Pvf/15XX321bNtOX1EAAGQ... | [
"linear",
"nonlinear"
] | null | 1 |
science | grade-3 | identify-rocks-using-properties | true | false | Select the one substance that is not a rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAAC6ZElEQVR4nOz915dl+XXfCX6Ot9fb8BHpqrKqAMKSIEFKFCVKLWk4rW6x5039qGf9QzPzPmuWXno4M6JEidLQwaNQqKzKysjM8HHjene8m4ffiVtZRYAEKVQhAcVeK1eYjLgRce/ZZ//23l8jfWdRFG84UFG4i7u4i79HrDJ46sF1DA0VfrsuPi/fJdZd3MV/X1QUeMMR76+zjz8v3yXWXdzFf3/c5lFSfPw5+Rfzq9zFXfzqx11y3cVdfEZxl1x3cRefUdwl113... | 2 |
math | grade-2 | place-value-up-to-thousands | false | true | What is the value of the underlined digit? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAiCAYAAABlRa5TAAAHGElEQVR4nO3dW0hUWxzH8d9M0/E2VGNqD0UZFVoU2gUiMoagIBPKHmygiEyELLtApD5UJhGEBdWLlVhYUFFpCVFkF7pAqBSTNQlqSKFJIFpOaYWaM+fB09Ck5qjjOXT6fmAe1tr/vdZ/v/1ns/ZaBrfb7RYAAAAAvzD+1wkAAAAA/ycU2AAAAIAfUWADAAAAfkSBDQAAAPgRBTYAAADgRxTYAAAAgB9RYAMAAAB+RIENAAAA+JFRkrq7u2UwGAb87du3b8gTPX/+XDa... | [
"1,000",
"100",
"1"
] | null | 1 |
math | grade-6 | similar-and-congruent-figures | false | true | How are these figures related? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB4CAYAAADIUIXCAAAPuElEQVR4nO3dbXCV5Z3H8V+eSQgUNCIJCQQyFiFRExU0EMyxSgTBgMvqrI3txOzQ3bG2uJRu0bAj08Gwlbg7oqzO6JhdmeZFp6xiYVAjck61hAzhSdHsLHki5xAyIbPJYAIkMWZf4Ik5SBGS+9zXnXO+n5fcIefPw4svf65zrojBwcFBAQAAALBEpOkBAAAAgFBCYAMAAAAWIrABAAAACxHYAAAAgIUIbAAAAMBCBDYAAABgIQIbAAAAsBCBDQAAAFiIwAYAAAAsRGA... | [
"congruent",
"neither similar nor congruent",
"similar but not congruent"
] | null | 0 |
science | grade-5 | animal-adaptations-skins-and-body-coverings | true | true | Armadillo lizards are adapted to defend their bodies against a predator with sharp teeth. They have hard scales covering much of their skin. When frightened, the armadillo lizard bites its tail and rolls into a ball. This helps the lizard protect the soft parts of its body. Which animal's skin is better adapted for pro... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5gcxbX2f1XdM7NpNuekDdIqZwkBQgKRJWSiAAuwQWB8jQMGDAZ8P4wxtsFXNjiAMcGAMNhgbLKNASGjiFjFRTntarU5593Zmemq74/uGe0qoBUWxtd33ufZR6Oe7urqquqaU6fe8x6htdbBYBClFBFEEEEEEUQQQQQRRBDB/05IKTFNExEIBHTEuI8ggggiiCCCCCKIIIL//ZBSIiPGfQQRRBBBBBFEEEEEEfxnQCmF/LwrEUEEEUQQQQQRRBBBBBG... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9d5hkV3nuDf/WWjtUruocpyf19OSknBBICAFCiCQMQhgQGL8+2MfGNmDz2ufYGPvY3yHIBkfANhiTj8lREgIJxZE0ypNDT0/nXLlqh7XeP3ZVz4wkzAhk48NX93X1Nd1Vu/Zee4Wafa/nfu5HGGNMEARorWmhhRZaaKGFFlpooYUW/u+ElBLLshBC/Lyb0kILv5CQLeLcQgsttNBCCy200EIL//dDa00QBD/vZrTQwi8srBZxbqGFFlpooYUWWmi... | 0 |
math | grade-3 | fractions-of-a-group-unit-fractions | false | true | What fraction of the shapes are triangles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAEA0lEQVR4nO3dv25TZxzH4V8sO5Wpg11Eg4glFDFE7UClsrGxsjJ24iJ6Aey9CTN0rdKpa3oFRUzIIOOU0FTBiiJDgkQGd6CNUBHhEL/O+fc8TGGwXr06ij46+iZZms1mswAAAJJo5H0AAACoEoENAAAJCWwAAEhIYAMAQELNlB/280+TeP7kbcqPnMu1jeX44cfLeR+DM/I8ZeOesnFP2bgngPklfYNdpG/KERF/Dot1Hj6P5ykb95SNe8rGPQHML+kb7P98893Xi/j... | [
"1/6",
"1/3",
"1/2",
"1/8"
] | null | 0 |
math | kindergarten | count-sides-and-corners | true | false | Which shape has 5 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAADBklEQVR4nO3Zu3IVRxSG0X2OLgFGJsKUQwWGR+DBeC4C534CcgcYB04oS1Uk6IaQznETTKnKOeKfnp61ounqYO/gq05m01prZ3dVf99UXe6rdq3gux1uqk4Oqn57UvXiuGpz9rW1dxdzr8XIXv9cdfjhZjr8elz16qepQvhel/uq99dV/95V/XVTtb3YTRci4zGdHExNVVVd7au2+/9dwGN6aOq+VW3nXYW1EBoRQiNCaEQIjQihESE0IoRGhNCIEBoRQiNCaEQ... | 0 |
math | grade-2 | name-the-three-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEoCAYAAABiqYaBAAAt2UlEQVR4nO3dSYwc993m+ecfEZmRkZFJUqQokVooiRIlShR3yvYMZtwY4G1gut/GoBt9MNDAexi8GGAwxwb6MBjMaQ5z6wa60ei++PTCtkhJ1L7YkqVXXrRYlmTpld6RrKH8kq/NoquysnKr3CIjog+RWWRWFckqMqsil+/nZCdLmT/WAj751C/+YeI4jgUAAABgJKy0BwAAAACmCQEbAAAAGCECNgAAADBCBGwAAABghAjYAAAAwAgRsAEAAIARImADAAAAI0TABgA... | [
"cylinder",
"cube",
"cone",
"sphere"
] | null | 2 |
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