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 | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACdElEQVR4nO3UO25UQRBA0ZrxJ+CbgVgAEBGzBTbCqtgIayAl4pNjUhtbsvHoETwhEYO5g8w5Ubc6qAquerMsy3JyNfP5YuZsN3O9DPyxw83M/YOZp3dmHh/PbE4ul+Xd6b7X4jZ7+WDm8NPFenlyPPP87loh/Kmz3cyH85kvVzMfL2a2p9frg8i4SfcP1qZmZr7tZra7Xx7gJv1s6vsys93vKvwvhEZCaCSERkJoJIRGQmgkhEZCaCSERkJoJIRGQmgkhEZCaCS... | 0 |
math | grade-8 | parts-of-three-dimensional-figures | false | true | In the rectangular prism shown below, which lines are parallel? R | "iVBORw0KGgoAAAANSUhEUgAAAN4AAADyCAYAAAAiCXv6AAAjIElEQVR4nO3de1hUdRoH8C+XAHVMGCXwBioaAYaygm5oEl4iNGE3K01byy23LGkz09TY1kzErHCzNcssJZOyNBdQzLWVLNAUFXBDNEUMcZlQB5T7CLz7B82RgeF+zpwzM+/neXweHYZzXnC+83vP7/zOGRsiIjDGTMpW7gIYs0YcPMZkwMFjTAYcPMZkwMFjTAYcPMZkwMFToKtXr2Lu3Lnw9PREnz59MGXKFJw+fVruspiIbPg8nrJUVVXBz88P+fn5iIyMhLOzM77... | [
"QR\n and \nKL",
"PQ\n and \nKL",
"LM\n and \nOP",
"OR\n and \nLP"
] | null | 0 |
math | grade-8 | similar-and-congruent-figures | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEHCAYAAACUUzFiAABPaUlEQVR4nO3de3xP9QPH8deudsUWI/cx112YW0IxdHMpyv0+uVWKkFsqt0IXReSW+/1SKSQVRoWobXZxZ0hi7mzMLt/9/viy2o8yfLfz3b7v5+PRY3zP+Z7z/ub23jmf8/nYpaenpyMiIiIiIhZhb3QAEREREZG8RAVbRERERMSCVLBFRERERCxIBVtERGzCmTNnCA0NpWTJkhQuXJgqVaowf/58o2OJSB7kaHQAERGRnNCxY0dq1qzJoUOHcHFxITw8nCeeeILg4GC... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 2 − 1 = 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAABKCAYAAAB5PTAOAAAMXElEQVR4nO2cbWwb533Af3x/ESlRL7VeqkS2Y0lJ5Hi245fJ6GbHcZo5WdCi8dqu3gcCQxpsHxasTTNgA7Ks2LetHYaiLYp9iILBgdfFa7umTpHFa213oSt7jB1btmUrlmzJFiVRIk1SJCXyePvwkEeKIiVafMvE+wEE77l77p7/8XfP3fM8dzyNLMuyZxFGwhCUIC6jso7Qa8Cug24rtBpB41mQ5cFAtcNSqQR760F/MywS7UborRNHg8r6ISjB8DxMLsKNMGg... | 0 |
math | grade-7 | which-is-the-better-coupon | true | false | Which coupon will save Eve more money on an easel originally priced at $24? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAASYAAAC6CAYAAAADF+BWAAA2G0lEQVR4nO2deXxTVfr/Pzf73qb7TjcKbYGyU0AFRRDcQUDcdRzHffzOOItfl3EcvzMuo+NPZ5xxdBTHfUFUQFRQAREoa2mhFGihpfueNs2+3d8fadLcJmlu1iblvF8vX5J7z33uSZr7yXOe85znUDRN0x0moF4HDFoBCw0CgUCIKDwKkHOBiRIgVQBQHUaaPqAe624RCASCnXkKgFens79IFwCTpHbVIhAIhEgyaAVOaYF2E3BaB3DUFvsJIkoEAmGskHPtGgQ... | 0 |
science | grade-5 | use-evidence-to-classify-animals | true | false | Monotremes are a group of animals with similar traits. The following traits can be used to identify monotremes: They make eggs with shells.
They have fur or hair. Observe the animals and read the descriptions. Select the one animal that has all of the monotreme traits listed above. Echidnas are covered in fur and spine... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOy9d7RseVnn/Xl+Ye9d4cQb+4bOgabpJmNjQpIkQUYkvYCKjso44IhpHHWpy9ElLJeigI4oio7IyAyjgw4vSpAkIDY0CAjdNJ3T7ZvOPalq7/0Lz/vHr+6hL7EVCS/Up9ddt885dWpX7dp1z/c84fuVq9ZVLxnBgmXOnDlz5syZM2fOnC8Jmwmu3QbZiKpz4Tlnzpw5c+bMmTPnS81mAlFV/Uo/kDlz5syZM2fOnDlfH7i7f/CUF/4pkxjZCpEjXeR... | 1 |
math | grade-7 | rational-numbers-find-the-sign | false | true | The number line shows an unknown number, y. Is y positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAGRklEQVR4nO3db2gb9x3H8c9Z1kmV7NlKKyeM2fOTQjFhJo2jyHHoAh2sYEKjLE/yJKRP0iUEBqWQQh8UCg0L7GHyIBAGC8RLnyiU0KzdKExJ2SzZjsnQ4tCNRTjQOnL+OK1VSyfZ6gNNbl0nkZxEOp38fj3TcZiPdZb56H7fuzOKxWJRgIONjIzIMAzt37/f7iioE445AKdptTsA8LRu3bpldwTUGcccgNNUXbjy+bwmJiYUj8fV1dXFN0vAAdIzeY3HM7o9k1d6Jq+... | [
"positive",
"negative"
] | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADpOElEQVR4nOz9d7Sl2VXeC//mSu+7w4mVq9RV1VXdLXVLLaklWhICIQQy2QSTMb42YDLYgEk22NfX9r0WwR9B2GBsg43B1wSTcxICIYFybKlbnauqK1eduMP7rvD9MdfeJXuI+wnqn/uNwRmjRlefOnXq7HfPNdecz3yeZ8pbtkt59ghWLH/98dcf/6/82E3w8D5c7GDDwceu6+fNXwfuX3/8v/1jxcKzR/r7vXTr8+avA/evP/7/4WMRp3259Tn34b7w/pe8gph... | 0 |
science | grade-2 | identify-solids-and-liquids | true | false | Select the solid. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAA5RUlEQVR4nO29eZBlV3Xm+9t7n+kOOVVmzaXSQEkqJDPKGMzQWNiiA88d0M/PbTsIGp7th90WdBg38V4oxLN5YTy0cQQ06mj7BYGbxgj8bIxpdz8CY2OEmSQkIQRoQCqkKlWpqnK+0xn2Xu+Pfc7Nm1mDSqrMm7fK98s4ce459ww7z/nu2mutvdba6uvLItc3YMIwxhhDxaqFh9pwPIOZAF497ffrMSHH2C5MGLi+4T+37Np+PSbkGNuJin+5rO3T29OUMcY4N8a... | 2 |
math | kindergarten | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 2? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAmRElEQVR4nO3df2wb933/8ecdeeQdf4oUSf22LMmyLMvyb9mxEztp2iQL8qNtsKzotrYb0HX7YyjS/ehaDF1/YC02IMO6YhvaAWtRtNtaYC22tGmapPnhJP4p/7bsyJIsyfotShR//ziSd/f9Q026fJtsiWP7qPjz+CdySIr3foEv3vHuxJMsy7IWyjBWgKwBVQtBEG4QpwR+B3R7oMEF0oJuWScydi+WINx69gbAOVpY/UeTC3q8q+0UBOHGyBpwOQ/zZRgpgJy... | 1 |
math | grade-7 | make-predictions-with-scatter-plots | false | true | Based on the scatter plot below, which is a better prediction for x when y = 100? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAolklEQVR4nO3dfXBUVZ7/8U8IwTwoRMCITZ78oQmJpUk2WAIqSXBgdEmKIDOLOsiD6AqMUwIyW0wVaGawFmcHECwVHdwlau2WOsMEN1SxQrG084fJuHTRDJrQYcbpPBAQgwSFToKB/v3B0msgnRBy0vd25/36i3tP09/vwdJ8OJ57bpTf7/cLAAAAgBFDrG4AAAAAiCQEbAAAAMAgAjYAAABgEAEbAAAAMIiADQAAABhEwAYAAAAMImADAAAABtkqYLe3t6u9vd3qNgA... | [
"52",
"20"
] | null | 0 |
math | grade-8 | mean-median-mode-and-range-find-the-missing-number | false | true | Rose has the following data: If the mode is 15, which number could h be? | "iVBORw0KGgoAAAANSUhEUgAAAVoAAAAkCAYAAADIDvJzAAAGm0lEQVR4nO3df3DT9R3H8We++bahIRShpS21dK0VMI3KwUDP8kPquDq4OYaAY7JjImO3HtM59dA7NpRt3rixyWRz5zzcjulkbMJA3QkcaJ0n7UkRGSPt6Ggsc7RpgRYNSZN8k+/+qBR73K2lyyffb3vvx3/59Jt+Xpd87tVvPt98rw7TNE2AWNIgHO8mYSYxEUIIMRgOwOnQcGeMIFPTe8ZM0zQvGlEiRtTadEIIMcy4dRdu3YUeTyakZIUQQoGwESVDc6KFpWSFEEK... | [
"15",
"11"
] | null | 0 |
math | grade-2 | fractions-of-a-whole-modeling-word-problems | true | false | Meg is bringing snacks to a party on the last day of school. She wants to bring a mix of snacks, so she divides a large round plate into 3 equal parts. Meg fills 1 part with chips. Which model represents the fraction of the plate that Meg fills with chips? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAAWhElEQVR4nO2de3RU1b2Av/OamUwmCXlBEh6BEEQCKiJVAQPiA3wUtfLy3VattWK11+q17a2213tv1S7baitoa9XqFW+1XcuKb6EqREAREYTwfieQkISQ58w5M2fOuX8MtFgVA5PzGs63VhZkBTJ7znxn77N/v9/eWzBN02yMw9YodCZBN/HxsQRZgBwJhoWhXwCERs00V3Q43Syf440zckHeEk19UxqA4dkpM318rKAzCZu6oSEOm6MgduipH/ji+VhNjpTyDKA... | 1 |
math | grade-1 | which-bar-graph-is-correct | true | false |
Jack went on a picnic and brought two knives. He brought fewer spoons than knives. He brought more coolers than knives. Jack made a bar graph of the supplies he brought. Which is his bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAZgAAAEOCAYAAAC0BAELAABHoUlEQVR4nO3dd3zW9b3//8dnXCs7kIQsQgh7CiiGLQi4ULTODk+HlaM9Wv2e01ban6f2fD1f/dra2tqenvbrqLOuFvVYRx0UBFRQhsgQGSGQhISQnSvX+qzfH58khKGiIdeV8brfbt6SXPP1QXI9eW/FcRynJgZ7Q9BqgekghBBCfGG6AqkajEqCIV5QaqKO835LossSQgjRn5Smgb4n5P6Q54UxyW76CCGEEF9UqwWftEF1DHaHQG0x3TskXIQQQnRHquZmCUD... | 1 |
science | grade-4 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAABBlUlEQVR4nO29Z5Bl6Vnn+Xvf95jr0mdWZZfprnbVTu3URq2Wn8YsoxUjlh5hZpeJ0fQKF4MIgtWXYRGxAWghCAhEgD4wqxkIFBMEMSYYiWDYYBeNtCCNhNRCptW2qqu6q8tkpbn2mNfsh/eemzczb2ZWVVZWZVaff8aJe/Occ4/9n+c872PFV1acu6sOY4oSJfYkWgae78AbGUwF8M5JP1+WxC2x1zGm4K66/942q/NlSdwS+wEFT3O3Oi8YteJSL91yQ0KIq3Z... | 2 |
engineer | grade-6 | evaluate-tests-of-engineering-design-solutions | false | true | Which of the following could Carla's test show? Gophers are small mammals that dig tunnels underground. Carla wanted to stop gophers from digging tunnels into her garden beds because the gophers disturbed the soil and ate the plants. She thought that burying wire mesh around the garden beds might block the gophers. But... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAESCAYAAACW6uzYAAEAAElEQVR4nOz953ed93nnC392772hbfReCQIEwd6bKFHVtiTLjuPEdmI5dto4zuQk8WQmySQzjk/sOLE9TuLYluSiTokSO8VOggALeq+79973fl5smuc5f4HmrDX3WniLvbFw39f9u75V8PLLL5f4P9f/uf7P9X+u/w9d//AP//CxfK4YoKl5DYvFglatwh/w4nG6EIqKiIoQCgc5cvAAUqkUqUiKVqslk8zgcDjIprKkc3k8oRANjc3IRFLcbjd6lY6jR48yPTnJrVu... | [
"how long it would take to bury mesh 30 cm deep",
"whether wire mesh buried 15 cm deep would keep gophers out"
] | null | 1 |
math | pre-k | represent-numbers-with-shapes-up-to-3 | true | false | Which group has 2 circles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAGn0lEQVR4nO3da2zV9QHG8ee0pZRSWlu1thMYDBUvmCrWIU5eaJziMhNigpcxTIxmmcYImhCDidmUzImZqZpoNL7xssaUReMlMS6KmhBFUEvdEKnVraKGo1yKp/RySpv/XpyVHFsObfG0v/9Tvp83vf9/T5pv2nOa9jQRRVGU7JO+6JY6B6T+SEDsFCWkGYXS6aXSKcVSIpmOoq2p0LOA0VtULhW1dWdeqC2W5k/PVA3ETeeA1Nol7e6TPu+WClL9mTcQLeJsRmG... | 2 |
math | grade-3 | angles-greater-than-less-than-or-equal-to-a-right-angle | false | true | Is this angle greater than, equal to, or less than a right angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAALyElEQVR4nO3dW2zT5x2H8a+d2Dk4R5I0ISFJgdISDoEREAVUddpa0RXWom5ataEdpE2qBjuUTtWAau1WlbZrp2ms7W56Me0C2DRVWkvoqCohWhqgI5AmkFIOocQOJIaAY8gJ2/F/F2nCIYEcnOS1nedzA7aD85OvHl69fl+bZVmWAAAAAIwJu+kBAAAAgHhCYAMAAABjiMAeB4G2oNobO02PAQAAAAMI7HGwf121OtwdpscAAACAAQT2GKtaVy3P+82mxwAAAIAhBPY... | [
"greater than a right angle",
"equal to a right angle",
"less than a right angle"
] | null | 0 |
math | grade-7 | front-side-and-top-view | true | true | If you look at this object from the side, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAE2CAYAAABbdeVqAABIJElEQVR4nO3de0CUddo38O8wDMjAcAhEDBXDLbAnBMUOrq5ij/pYuS9sbj216itY5tprAW6htRoY7K7gPgG7bqU9CS2adtCgWnXFYjJNExU0A6xEQCflJDDAKIdh3j/GuZWjHGbmnhm+n39WmMN96brud35c93VJdDqdDkREREREZBR2YhdARERERGRLGLCJiIiIiIyIAZuIiIiIyIgYsImIiIiIjIgB2wzee+89eHh4YPbs2SgsLBS7HCIiIiIyIQZsEyosLMTs2bM... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3gAAAE2CAYAAAAzozB7AABQIklEQVR4nO3deXjU9bn38c+QDbIjYVHEILQSPIbdhUoleICDS5+kWntU4CFBKbUPmoTWoC1IEE4LsTVJy1HBI4kFim1Fk+oBSqgZEWSJQkQlQQsMkRFCAmQdyDrPH0OmrCHLJL+Z8H5dl5dMZrsjEefjff++t8lut9sFAAAAwCVMJpPRJeAa1s3oAgAAAAAArkHAAwAAAIAugoAHAAAAAF0EAQ8AAAAAuggCXid488031bNnT02YMEH5+flGlwMAAACgiyLgdaD... | 1 |
math | grade-8 | multiply-polynomials-using-algebra-tiles | true | false | Which area model represents the expression (2x+3)(3x+2)? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAR0AAAE4CAYAAABmCyf+AAAUs0lEQVR4nO3df0zV973H8df5AQIH+aEwEXBa8FdtZxRmrLFuS1tbbWybZckSmyaNyf2jyWrbmOUmmm1/rvcu2a/emBqTbunazax2XbTZRImz1Wtr6zhI/VEVQYHyQzyKBw8w4Py4f1CosIpyzpfP957v9/n4h/K1nPc7r3Be5/s9HDieRCKR6BqSLvVLt2JSNCEAsIzfI830SYtypDmZkqdrMJH4tNfutQC4weo8yd/YP/LJ3ExpSWCkkQDAKrdi0oU+qXNIutg... | 1 |
science | grade-8 | identify-ecosystems | true | false | Select the hot desert ecosystem. This ecosystem has:
warm summers and warm winters
a rainy season and a dry season
soil that is poor in nutrients This ecosystem has:
a small amount of rain
dry, thin soil
many different types of organisms This ecosystem has:
year-round rain and warm temperatures
soil that is poor in nut... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOy9eZwkR3nm/42IzKyzu6d7eu4ZaS7dEgKJW4BsIQ6DbbDByAeXBb5YA8YGjA0/sHdZEIsxMiBfy0qWYGHFYoNYA0YcAt0SkpjRrZnR3Gff3dV1ZmbE74+IzMrq6WMkAcIoHz6p6Kq8IjNrqKee932fV/xw2pjTKtCnyJEjR44cOXLkyJHjJ4JaDI/UQcxExuTEM0eOHDly5MiRI8dPGrUYhDHGPNkTyZEjR44cOXLkyPHUgJd94X8yAkAIAYAWvRs... | 0 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAnqUlEQVR4nO3dZ3zUZb7+8WuGMEBISEILNXQS6VVFaYIgKq6IK4qI7roqTSyIZd1z9vz3bLGCrihgWVcUBAuKYEFYJAIWagAJkCAloRlCCRACCcnM/4GcO4FEaZO5Z+b3eT/63kyYuQQfXOT1y/d2+Xw+nwAAAAD4hdt2AAAAACCcULABAAAAP6JgAwAAAH5EwQYAAAD8iIINAAAA+BEFGwAAAPAjCjYAAADgR+dUsLt9eJ/avDtcK7M2lXceAAAAIKS5znbRTLcPRuj... | [
"2 pairs",
"1 pair",
"no pairs"
] | null | 0 |
math | calculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x=4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB9Y0lEQVR4nO3deXhU5d0+8Hv2TCYrCSQhmLBHAwlr2KNQEKygFVxA69ZaW22ttr+3i130fWsV7VuXV6vW2lrXVoUKLkDYZDUIkQCBBISwhQTIvs16zpk55/fHmEhky8B5mExyf67Lq80k5ztfzpl55p5nnjnHoGmaBiIiIiIi0oUx3A0QEREREXUnDNhERERERDpiwCYiIiIi0hEDNhF1sG7dOvTv3x+zZ88GAFx33XVYunTpGf9WURRMmDABW7duvZQtEhERdWkGfsm... | [
"no",
"yes"
] | null | 0 |
math | pre-k | represent-numbers-with-shapes-up-to-5 | true | false | Which group has 4 squares? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAEoElEQVR4nO3WMW4cdRyG4d/aaxchSYVAFC7BR8gpOEHO5wvALXIDE7oUMYLKTizFeDUUq0hUKcjqHWt5nmZmNBrpm+bVf7Msy3LzMPP7/czdbuZxGYCD2G5mXpzO/Phs5vvzmc3Np2V5c7v2LODYvXo5s317v3/44Xzm8pt9jQAO4W43c/1x5v3DzG/3Mye3j/sXYgMc2ovTfVtmZj7sZk52/3oBcGif2/L3MnOy7hTg/0RwgIzgABnBATKCA2QEB8gIDpARHCA... | 0 |
science | grade-7 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each green ball represents one particle of solute. Which solution has a higher concentration of green particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AAB410lEQVR4nO2dd3wcxd3/37t36pIl25JcsGzJxjauVBuwgYAJzfQSWh4SkxAIP0IghCQkJCSQQAohlJCQUALheRIg9ADG9BaKMRjHlWq5F7mqS3e3O78/dmd29u4ky1axdZr3C3O6vdPe7Gk/+607YwkhBAaDwWAw9DLs3T0Ag8FgMBh2BWPADAaDwdArMQbMYDAYDL0SY8AMBoPB0CsxBsxgMBgMvRJjwAwGg8HQKzEGzGAwGAy9EmPADAaDwdArMQbMYDAYDL0SY8A... | [
"Solution B",
"neither; their concentrations are the same",
"Solution A"
] | null | 2 |
math | grade-7 | identify-linear-and-nonlinear-functions | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABjdklEQVR4nO39e3BU953n/79a3a3WXS0kkDC2hDEGGyzAGGyDwcaDx2ZM4gkkWZx8J4mzmZl1dnKbmpqqqanZ/HayXld+NZOZSibJZrObjZ3d7Dcz/sV2xsaCYBsbLGIwMshIvskYdAF0aUnd6vvpy/n9gcUgg0AN50Or0fNRlYrVrfPSm/PpPv3uT3/6HJdt27YAAAAAOKIo3wUAAAAAVxMabAAAAMBBNNgAAACAg2iwAZxx991369lnnz3z87/+67/q5ptvVjabzV9... | [
"nonlinear",
"linear"
] | null | 1 |
math | pre-k | name-the-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB9CAYAAACYnRRxAAACtElEQVR4nO3asQ3CQBBFQYzcD51QAgGFEdDoUgIOnmXpNBNv8MOn020zMzcAACBxv3oAAACsRGADAEBIYAMAQEhgAwBASGADAEBIYAMAQEhgAwBASGADAEBIYAMAQGg/fPl9nzgD+Ov1uXoBAHCAF2wAAAgJbAAACAlsAAAICWwAAAgJbAAACAlsAAAICWwAAAgJbAAACAlsAAAICWwAAAgJbAAACAlsAAAICWwAAAgJbAAACAlsAAAICWwAAAgJbAAACAlsAAAICWw... | [
"triangle",
"circle",
"rectangle"
] | null | 2 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-1-dollar | false | true |
A cookie cutter costs 32 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAB3CAYAAAB2WzTHAABth0lEQVR4nO3dd5xU1fn48c8tU3Z2drb3vssCu/SmIIqKvYBGE1u+liSWRNPMN79oEr8xamKKqaZoEjXGKGowNkBEBRVRivTedtldtvfZ6eXe8/tjdkdWFlgEBPG8X699wU65c885d2afe+Y5z1WEEAJJkiRJkiRJkk4K6vHeAUmSJEmSJEmSjh4Z4EuSJEmSJEnSSeSoB/g9EUHpol4mLPHQE5HZP5IkSZIkSZL0aTqsAP/l5gj3bQ8eNHB/pyNKrd9kvdvgK2v8R7y... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | one-less-with-pictures-up-to-10 | true | true | Count the daisies in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABm/UlEQVR4nO39Z3BcWZqmCT5Xu3YA7tCaAqAAGJRBEYKMCIYWmZGRldVdXV091mM9tmtja7a2Ozv7Z3b3527bzo81mzUbs52una6u2qqsqAyRGVpSRASDDGqCCqCAIDTcAYfre939nv1xQScZOjMpwIjzWKYF6PLec/jivPzOd75PEUIIJBKJRCKRSCQSyW1BvdcXIJFIJBKJRCKR/JSQBlsikUgkEolEIrmNSIMtkUgkEolEIpHcRqTBlkgkEolEIpFIbiPSYEskEol... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7sAAAB+CAYAAADlVwZsAADHAklEQVR4nOz9d5AcZ5boi/3Slq82VW2qutEGphumG54EAZIAvSfHcHZ3du/e3efulQtF6CkUCoXiSfpD8eKFFAqFQu8ppFDsDe3O7tud5QzN0A49QQIgvLfdANpXu6rq8lWZlZmf/sjuBppmhrNDgD1k/oKMblRnVX2Zp07lcd85EiDw8PDw8PDw8PDw8PhWEEIwY8L1ChRtsDxr28PjrqBKEFFgQxDadJDwnF0PDw8PDw8PDw+Pb40ZQ3C88F2vwsPjh82eKKj... | 2 |
math | grade-7 | similar-and-congruent-figures | false | true | Are these shapes congruent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEbCAYAAADgR/OCAABtd0lEQVR4nO3deVzUdf7A8dcw3MilgIIXCCiXCB54lJnmlZp3npla3rbbYduWW3a57a7tttVWHmUeeWua952mlgpyy6ByqGggoAgqcs/8/hgZ44clKvCdgffz8eChzPf7nXl/M+DNe96f90el0+l0CCGEEEIIIaqFmdIBCCGEEEIIUZdIgi2EEEIIIUQ1kgRbCCGEEEKIaiQJthBCCCEeyvbt23nyySdxcnLC3d2d5557jszMTKXDEkJxkmALIYQQ4oH961//4q233uK... | [
"no",
"yes"
] | null | 0 |
science | grade-4 | identify-magnets-that-attract-or-repel | false | true | Two magnets are placed as shown. Will these magnets attract or repel each other? | "iVBORw0KGgoAAAANSUhEUgAAAZEAAAC6CAYAAABvPXAWAAAH3UlEQVR4nO3df6jddR3H8df9temm25y/QLdZc5stzF+kmSYsC6JATaE0EkOZhAuXQRGIQZllJKHNpD/KpWkxqAjzj0DSIH9hqYXMXyxnt+aUcMOuth/e3Xv64yhXo+49971zzzkXHw843B879+wNn/F53ns+537X12g0GgHa6o7tY1m7ebTbY7yj3DB8Y9a/tKnbY7zj9Hd7AABmLxEBoExEACgTEQDKRASAMhEBoExEACgTEQDKRASAMhEBoExEACgTEQDKRASAMhE... | [
"attract",
"repel"
] | null | 1 |
math | grade-3 | identify-three-dimensional-shapes | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEbCAYAAADgR/OCAAAmoklEQVR4nO3de4xb53nn8d97Du/kXHQdy5Y0alwZrq3YsR0nabLrdBunQBoURVOgLbYF+scCG2ADtEC6XTRx0jQ3o9gWQRtgi20X3d0usgUSYJumQFJsEwipvU2T2JLjxElcC04kXzQzkmY0F5KHt8N3/yBnhuSQIx6KHJLnfD9AwhnO4eHLQx3zOS+f532MtdYKAAAAwFA44x4AAAAAECYE2AAAAMAQEWADAAAAQ0SADQAAAAwRATYAAAAwRATYAAAAwBARYAMAAAB... | [
"pyramid",
"cube"
] | null | 1 |
math | grade-5 | fractions-of-a-whole-word-problems | true | false | There is a beautiful painting on the wall in the natural history museum of Frontier Town. The painting is made up of 6 equal panels. Each panel shows a different native plant or animal. The painting shows native plants on 3 panels and animals on 3 panels. Which model represents the fraction of the painting that shows a... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU0AAABKCAYAAAA/ggbIAAACFUlEQVR4nO3XvU4UYQCF4bMLWChoY2K8AGNnixW1jRWXwHVxCTTaWFMZSjvUXhKt+EtANmMxEjE0HCMua56n2Z3MTnKqd7+ZDMMwHJwnn0+To1lyMQSAn5YnydpS8ux+8uReMjk4G4a9w3nPArj71h8my59Ox4un95LnD8aiAjA6miX7J8mX8+TjaTI9vBhvCCbAdWtLYx+T5HiWTGdXbgBw3WUfvw/JdL5TABaLaAIURBOgIJoABdEEKIgmQEE0AQrL7QNbm7u... | 3 |
math | grade-5 | range-find-the-missing-number | false | true | Kaylee has the following data: If the range is 12, which number could c be? | "iVBORw0KGgoAAAANSUhEUgAAAVkAAAAkCAYAAAAjOUlwAAAGYUlEQVR4nO3dWWxUZRjG8f+ZmXaG6TKltMVaFqEtKHtrxRpQwi6KGjEYMEaN4UKjCS6Jy43RC5fEC/XGqHGJxrgFDSqVRcEaUBCBylZoG4pAF+xGO4PaM50zx4u2EyelMDDno5/N+7uCMx89T57O984wpzM1bNu2ASIR6O6GaBSwEUIIcbEMcLnA5wOPp++Qbdu22Q2mObTZhBBiOPF6wesDjxWRASuEEE4zTXB7wCUDVggh1Aib4LKsoY4hhBDDk2WBy5aLXEIIoYR... | [
"50",
"56"
] | null | 0 |
math | grade-5 | median-find-the-missing-number | false | true | Duncan has the following data: If the median is 35, which number could c be? | "iVBORw0KGgoAAAANSUhEUgAAAVkAAAAkCAYAAAAjOUlwAAAIVElEQVR4nO3da1BU9xnH8e9ecFfuIiwSQUVQERUvUYtFTbyi1dRoU8e0neSNnWYmdhqbmUza6XTSF20z0xfttC/qZDSmmSTVaDI2ahSrERMv1YAoCEZU8LKI5bbIInCWPWxfLKCr4hzrnnMW83xmePPfP7u/OQ/7nLP/c/ZgCQQCAQC/H7q6oKcHCCCEEOJRWcBqBacT7PbeoUAgEFC6QFHMzSaEEE8ShwMcTrCrfmmwQggRbooCNjtYpcEKIYQ+fApYVdXsGEII8WR... | [
"38",
"26"
] | null | 0 |
science | grade-3 | identify-rocks-using-properties | true | false | Select the one substance that is not a rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEYCAYAAADPtGNgAACZrElEQVR4nOz9Z7Bt23XXi/56GGGmlXY6+0QrWpIxlpz1iA+uCy7gCy6DeTwooOCLKYLLUATjLxRQhiqgCEXhKgp4D7AxuhRlHlDYOIBxwLZky7Jk2ZYlGeVzzg4rzDhS7/196GGMOfc6Qehs7bWt2ar2mWfNNMYco7feWvu3f2tNvOfCuS+ewEyxl73s5X9DFgY+tILnGzjW8BuP/PNyr1h72cvnJjMFXzzx/780/fNyr1h72cvnLlGPWtc/Jx/NqexlL7/2Za9... | 0 |
math | kindergarten | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 9 − 1 = 8? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAagAAABKCAYAAADuScD9AAAQlUlEQVR4nO3dfWwb93kH8O+98E2i3i1ZjvyuOG4cv8Q2IEdpsyVG3HVY0hRO0HQI2hkdCqzAhq1DugXr0GBDsf2x/TU0Q7tmaRrbRbIlyMvcNEjTrlgSv8ZK/Zr4RbItyXoldSLvhfd++4MWKVIkRUs83pF5Pv9EJI/08xWY59HveHdkHMdxJnTgqgKIFmA6IIQQQqqOZ4AmDtjUAKwMAsyE5jgnk16XRQghhGTtaQb4K0r6xqogsLkxPb0IIYSQahMt4JIMjOv... | 1 |
science | grade-4 | identify-magnets-that-attract-or-repel | false | true | Two magnets are placed as shown. Will these magnets attract or repel each other? | "iVBORw0KGgoAAAANSUhEUgAAAOgAAAIGCAYAAABeeMOjAAAtBklEQVR4nO3deZQU5b0+8Keq1+nu6dkXGFZRWVQExA1QcbkI7tG4BTfy0xu3qFGT3Bhzzo1LFqLR6xaNJhojXkWMCkbcxe2KgisOoIAizACz9yy9d1f9/miWYZx9uup9q/r5nOOBkZmq78z00/Vu9Zai67oOkk58axKJbSkkdiShhTVocR1aTIcW16B3+rsW13d+rEGLZn6Vap4C1atC8ShQPQpUjwrVq+z8OPN31aNA9atwV7rgHu6EZ6RL8HdM3VEYUHHSbRoS2zJ... | [
"repel",
"attract"
] | null | 0 |
math | grade-7 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAMoAAADNCAYAAAD5YO8QAAASk0lEQVR4nO3df1SUdb4H8PfDMAQyIFMKlKKb4xZXCvVg/riX0qzl7KIn8SdKyBpRhrWEsf3U457jOVTmr6SC2C1ckWPKcVdw7+pebqveZE1ELzcTxdXxR6MR648HxkGGgeG5fxgoI9gz4zDf7/fh8/qTM87zrsOb5/t95vk8IymKooAQckd+rAMQIgJ/1gF8zWw2o7S0FAAwb948mEwmxomICKT+tPTauHEjsrKyYLPZAAAGgwF5eXl47rnnGCcjvOsXSy9ZlrFw4UK... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUYAAADNCAYAAADE19lfAAAmmElEQVR4nO3de3iMd/7/8eckEkEiSYsEJYjTsnXYtLT7pcl21dUlKkqL1Ckoq7WSVLVVviR2dXtCYluWXYRaluUrWtX+rG6SRrsO1YSWOoUQGqnDjCRkhMn8/khnRCSRTGbmvu+Z9+O69nJtTGbemnr1877v+/P+6MxmsxkhRI10Op3SJQgn8lC6ACGEUJsGShfgbDk5OWzevBmA559/ntDQUIUrEkKojc6dWuk1a9YwY8YMiouLAfD19WXp0qXExMQoXJlQO2m... | 0 |
science | grade-8 | identify-ecosystems | true | false | Select the tropical rain forest ecosystem. This ecosystem has:
year-round rain and warm temperatures
soil that is poor in nutrients
many different types of organisms This ecosystem has:
a small amount of rain
dry, thin soil
many different types of organisms This ecosystem has:
a small amount of rain or snow
dry, thin s... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOy9eZwkR3nm/42IzKyzu6d7eu4ZaS7dEgKJW4BsIQ6DbbDByAeXBb5YA8YGjA0/sHdZEIsxMiBfy0qWYGHFYoNYA0YcAt0SkpjRrZnR3Gff3dV1ZmbE74+IzMrq6WMkAcIoHz6p6Kq8IjNrqKee932fV/xw2pjTKtCnyJEjR44cOXLkyJHjJ4JaDI/UQcxExuTEM0eOHDly5MiRI8dPGrUYhDHGPNkTyZEjR44cOXLkyPHUgJd94X8yAkAIAYAWvRs... | 2 |
math | grade-4 | transportation-schedules | false | true | Look at the following schedule: Lila just missed the 9:00 A.M. boat at Palm Tree Island. How long does she have to wait until the next boat? | "iVBORw0KGgoAAAANSUhEUgAAAi4AAACiCAYAAABmp0ZVAAByRElEQVR4nO3dd1gUx//A8ffRRQVRREUEBBVR7KioqFQbqKiICBaMNXZjb1ETY0k0GnuJio0SRAGxYUOxAPbesBewIVWR+vuDcObkgMOW8P3N63nuebjdmbnZZXbvszOzexL7oedyEARBEARBKAFUAKYMafxv10MQBEEQBKFAC9adB0DpX66HIAiCIAiCwkTgIgiCIAhCiSECF0EQBEEQSgwRuAiCIAiCUGKIwEUQBEEQhBJDBC6CIAiCIJQYInARBEEQBKHEEIGLIBT... | [
"15 minutes",
"1 hour",
"30 minutes",
"45 minutes"
] | null | 3 |
science | grade-5 | identify-magnets-that-attract-or-repel | false | true | Two magnets are placed as shown. Will these magnets attract or repel each other? | "iVBORw0KGgoAAAANSUhEUgAAAakAAAA0CAYAAAAwo8dyAAAGC0lEQVR4nO3daWwUdRzG8WdmZ6dLKT0oBZGiFFu0piggUM5AjFQxQeMrjFFIEGMUj2D6AhIIRyBo1EDknQGMJiaakIDxFZdRKAlRIGiQoxWhoSpUylGg7V4zvtiWIwLtLjt0lv1+kr4hs+WfdHafZ35zrJG/o93tcATct8YXGNpTndPbywCQAtNxe3sJgLfYx4HMZfb2AgAAuB1CCgDgW4QUAMC3CCkAgG9Zvb0AANnlZLurugtcUozuBQxCCsA99vMlR/MPR3t7Gcg... | [
"repel",
"attract"
] | null | 1 |
math | grade-7 | simplify-expressions-by-combining-like-terms-with-algebra-tiles | false | true | These tiles represent the expression x+7+8x. Which expression is equivalent to x+7+8x? | "iVBORw0KGgoAAAANSUhEUgAAAYYAAABoCAYAAAD1uVejAAAHwklEQVR4nO3dT0xc1x3F8fNmhuIyEEgJYztQu7YVpUBSFVKwlIUVWbWUpKtqNllY7saKIqWolYo3kbthYZedNywiudlVja0gr9xKpWxcqUi4wk0qQyuMxSg2TAciJMxgELx3u7Bl9YbBieb9gXnv+9l5Fr9zLV3dMzPvju0YY4wAAHgqtdcLAADsLxQDAMBCMQAALBQDAMBCMQAALBQDAMBCMQAALBQDAMCS2esFhMEtjcqUZwKf62Q7lc7lE5cHIFmc5/3yeWppTIv... | [
"15x",
"7x+8",
"9x+7",
"x+15"
] | null | 2 |
science | grade-3 | identify-solids-liquids-and-gases | true | false | Select the gas. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAqy0lEQVR4nO2dWYik2Xmmn3+PfcvIvSq3quqSutUtaSQPNvTM3BgbGQ0I60LYagwW7hsvko3wnbExMgLbIDBqsK9kpAtjkMHgARt6GBirfaPpltTaLHVXb1W5bxEZe/zLOWcuTkTknlnV2VUZkfk/kJWVEZmR8Ue8+Z1zvvc73zFerSl1Nw1Zi5iYJ0pDwBstWA+gaMPzBX27GQsy5rLIWnA3rf/fFPu3m7EgYy6Tvv5CtX+beTlPJSbmdGJRxgwdsShjho5YlDF... | 2 |
math | pre-k | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAALuElEQVR4nO2dW3BdVRmAv7X3PidpcpI01ya90RKgBXHwAlYol7Gt43AVBvEGI+M4ziAO6siTDzLM6PiAbzCC48ioOIxjO6L4oNwqIAUsoKLQ0pRCQ0uTNM2laU7SnJOz1/JhN2NFLs2+733+b6aTZtLkrHR951//+tdlK2OMGanCvlmYdqFmEITAOApabDizCZYVQY1UjHnhWNLNEvLMhlZwXp/1Pukrwrpmz0JBCMq0CwMzMFyFvbNgHat5XxDJhDBpsT2nAMo... | 2 |
math | calculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed lines are vertical asymptotes. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACI70lEQVR4nO3de1xU950//tcwM8BwHQQFRAGJEYMRjYrGRKMmJrExTaptanpLu9+022bbtN3fbnrfft2uzfbb9LJt0jbbbdqkTXabuM3VhJiLeAlGUVRUvKMgggMCM8PMMPdzfn8cBkW5zMD5cObyej4ePg4MZ97z5jhzeM9nPufz1smyLIOIiIiIiFSRpHUCRERERETxhAU2EREREZGKWGATEREREamIBTZRAtm2bRtKS0uxdu1arVMhIiKKWzpe5EiUOFavXo3Pfe5... | [
"$\\lim _{x \\rightarrow-3^{+}} f(x)=\\infty$",
"$\\lim _{x \\rightarrow-3^{+}} f(x)=-\\infty$"
] | null | 1 |
math | algebra-1 | identify-functions-vertical-line-test | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAcFElEQVR4nO3dbXAT950H8O9asrSyjC38gJ2QlPhCsHAItoMJNgnQQgBL5InMpcMkXBsamGmunU57Ly53Ly7tNU0mN5MXdyUJpc3loZ1ruOs1Q+tUMk8BEqgE2FgU15HbpMZHAzbgJ2J717Il3YuNJMsrbNaWrafvZyZTYimbf235m93VT/+vEAwGgyAi0iAr0QsgotTD4CAizRgcRKQZg4OINGNwUEyyLEOW5UQvg5IUg4Ni8ng88Hg8iV4GJSkGB8Xkcrngdrtv+Pi... | [
"no",
"yes"
] | null | 0 |
math | precalculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the left at x= – 1? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACJcUlEQVR4nOzdeXxcZd3//9eZM5O9adIkTdKk6UKhUmwLhYKFVkBWQZBFLHorooiiIt6Lfr/+/Kr3fSs3t/et6C0CIoKyuN2gILIUZCm0tkJpgW4UKKVNk7TZmm2SzHaW3x9pQkO3pJ0rJ9O8n49HH5DJnM+8c87Mmc+cuc51LN/3fUREREREJC1CQQcQERERETmSqMEWEREREUkjNdgiIiIiImmkBltEBnnuueeYOnUqF154IQAXXXQRDz/88D7vm0ql+MAHPsCLL74... | [
"yes",
"no"
] | null | 1 |
math | grade-5 | points-lines-line-segments-rays-and-angles | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACLCAYAAABbVu51AAAWmklEQVR4nO3df3DU9Z3H8ddmN782+01QQgEJv/wBEhHrDyQDgrUIFJBfCdZqr1axd3rntXJcoVYQAhHlCsdAPdrRVuXuOj2rQPjZlkDuTgFnGQGdCuEM9ISyDFDAI/luNtmf3/tjGyQSfoRssr+ejxnGmV2SfU8mjK/97uf7ftksy7IEAAAAICYy4j0AAAAAkEoI2AAAAEAMEbABAACAGCJgAwnoyOlwvEcAAADXyBHvAQBEvbunSTs+9evY52FFItL4Ibl65oHceI8... | [
"a point",
"a line segment",
"a line",
"an angle"
] | null | 3 |
math | algebra-2 | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the domain of this logarithmic function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABwgElEQVR4nO3de3xT950n/I+sm++WsbENBpsQwMRgQwBzNQ0ZaMKEJA1kOkn79JJOZjvpNCXbebbzdPtMu9M+aba7M+28yqTdTnYzSTqvzLbNliQNxFASzCWmYHDA2ObmGPAFR5ZlS7Ku5xzpnOcPV44FNlhwfpZkf97/JJatr76cIx199NPvnJ9B0zQNRERERESki7REN0BERERENJUwYBMRERER6YgBm4iIiIhIRwzYRBSjtLQUx44dG/n5ypUrmDlzJjo7OxPYFRE... | [
"all real numbers",
"$\\{x \\mid x \\geq-6\\}$",
"$\\{x \\mid x \\leq-6\\}$",
"$\\{x \\mid x>-6\\}$"
] | null | 3 |
math | pre-k | count-pennies | false | true | How much money is there? | "iVBORw0KGgoAAAANSUhEUgAAAH4AAAA/CAYAAAAmJ3xBAAAcm0lEQVR4nO2dd5Dd13XfP/fX3u/1fWV7xTZgsegASYBNFEUVihIl03Jsy4qdcZPtuEljzySxJ3bkJJNJ4sR2PLYjS4pKZNFWcWRKlESYogR2kOi9LrZh69u3r79fuzd/PBC2ZyAJAIF9tskzs7OzuzO79/P7/u6559xz7l2hlFK8aW8405o9gDetOfam8G9Qe1P4N6i9Kfwb1Izb/QeUDKhVq1RKRcqlIoXVVaqrOSp1Bw2Ip9LEWzLEolHsaJRksgXTshBCgBC3e3i... | [
"2¢",
"1¢",
"3¢"
] | null | 0 |
science | grade-5 | compare-magnitudes-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, but some of them are different shapes. | "iVBORw0KGgoAAAANSUhEUgAAAhAAAACBCAYAAACRpYNGAAAWWUlEQVR4nO3de1STd5oH8G8SLiGJ3CQolFpEQBQLKkQu2hkHqmK37bhdtZft7h6342qr0xk77bTdttNjrXOs47SjPe14Tm1dK97qKE61tj0iaASrgkWsVh1RGAwEuYMIQUiyf1hyShXIC0neN+H7OYdzSHgvz5u8z8OT/N6LzGq1WkFEREQkgFzsAIiIiMj9sIEYhubNmweZTNbrR6vVIjMzE3q9XtCyzp07B5lMhoKCAsFxmM1mvP7665DL5fjLX/4ieH4icjwp1Ae... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is greater in Pair 2."
] | null | 2 |
math | kindergarten | count-sides-and-corners | true | false | Which shape has 4 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEC0lEQVR4nO3du44URxiG4W9mD0gY7AzkC8AWV8AdcJHch52SEBEjJBbnu053YQQz2yoH7V8GvIc5dH91et+oW6Wu/oNHnbVqkVJKF2vpr5V0NUjXSUQHd7yQHh9Jzx5KT0+lxcXXlN5e5h6LWu7Fz9Lxx9V48+up9PtPo0KiQ7sapA+fpfO1dLaSlpfX4wLIaMoeH42mJOnTIC2HbxaIpixMbZK0zDsK9RLQyBLQyBLQyBLQyBLQyBLQyBLQyBLQyBLQyBLQyBL... | 1 |
math | grade-7 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAK4AAADNCAYAAAAhbEsaAAAabklEQVR4nO2dXXBT552HHz5s82VLxjIxdqjttI5daJBg7XwgZ2zosF2YbmSms+3OlhmLbXdw9sa62ZSLTVDavSjZmUbcLGY2WcQM3ZlupoOcdKCdzhp5a9MQU5AJZAXOYtFEwrFlfCTHDpID7IV8Tizb+FMf50jvM5MZV5zarw8P//N7/+c9513x6NGjRwgEGmNlugcgECyF1bN9aDKZKCsrw2w2Yzabee6551izZk2qxybIQu7fv8+lS5fo7u6mu7sbv9+Px+OZcdy... | null | [
"iVBORw0KGgoAAAANSUhEUgAAASoAAADNCAYAAAAPDD2hAABIOElEQVR4nO29f5xU1X3//zzn3ju/9iewID9UFg2CGmE1IEYwgImJmkSwaWNSNawxiSZp6n7SxPhIk0Ca9tMkzTfBtKnamrq2pvk2JnVRA6ZpYE3AX0t1UTEYrCwqC8Kiwy4sOz/uvZ8/zjl37iyogLs7szv35WOZ3zNn7sy8fL9e53XeR/i+7xMhwiiDEKLUQ4gwgpClHkCECBEivBXso13Z1NTEtGnTWLhwIQsXLmTBggUkEomRHluECsTAwACPP/44mzZtYtO... | 0 |
math | grade-8 | parts-of-a-circle | false | true | What is \line{QR}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAsBUlEQVR4nO3deVxVdeL/8ReXy2URUTY3VBZ33NLUVNxNJ83UxGzRqRxLW+xbzVhmU5nTr3FqZppstTKzRds009RcMlwzlwrBPRRQQUFBFASEC/f3B3aCQVxG5Fwu7+fjwaPz+Zxz732D94/3PX3OuW4Oh8OBiIiIiIi4BKvZAaqCm5vbNX1+fUYSEREREWdRIwq+CriIiIiI1BQWswOIiIiIiEjlsbi5ubFu3bpyO3r27EnDhg3LzSclJeHm5sbs2bOZM2cObm5u2O3... | [
"diameter",
"center",
"radius"
] | null | 2 |
math | grade-1 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAACnCAYAAAA4/EEUAABdVUlEQVR4nO29eZwd1Xnn/T1Vt/d9E1I3kkAtkMQqVhswYBsQwWTxGgixYZLXH8d28sZ2nMybecexjWMyxpPYSTwJceLXdjLgEBtiSBxnLGwMiMSAzK6FRa0FqbvV6v32vX23qnPeP85SVbdbgKRe1f18bEpVd+lb59Sz/p5FKKUUy7RMy3RSkzffP2CZlmmZZp+WGX2ZlmkJUGq+f8AyLdPrUW92kF2j+xnIjdI/OczhyRHSxSwdNc2cUtPKytpWVtW2cW7rOlqqGub... | [
"probable",
"impossible",
"unlikely",
"certain"
] | null | 1 |
math | algebra-2 | describe-linear-and-exponential-growth-and-decay | false | true | How does f(x) change over the interval from x=2 to x=4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABws0lEQVR4nO3deXhT950v/rcsybuNjQ02GGwgBBMb22BCEgjGJhAgIaGBNEPa22TSJ20DgaTtMzP39vZ2+pvp5Ob23unyNA1k6XSyzPROp9yShcUQFmM7psHggLHNGgNeAC+yZVn7kXTO7w/hjc0SnK+PZL9fz8OjY1nnw8fnSN/z0UdfnaNTFEUBERERERGpIkLrBIiIiIiIRhMW2EREREREKmKBTURERESkIhbYRDTEwYMHMW3aNKxevRoA8OSTT+Kjjz666WM9Hg8... | [
"f(x) increases by 2",
"f(x) increases by 400%",
"f(x) increases by 4",
"f(x) increases by 6"
] | null | 2 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAbXElEQVR4nO3da5BcZ33n8d85fbqne9Rz0dgeaUaWZXkky5YtO0aaUhzfYGNckLIhUAlQjkPlQpmsK65QXOR9Adi7sC+2gN28gqhqU6mEdTmbql2IYwKYhNiBYLBxAF0skCXba0uj+2g0157u0+fsi/FoZqS59HSf63O+nyoXVdKc8zz/53no+emcp8+xfN/3BQAAAMAIdtwdAAAAABAcAj4AAABgEAI+AAAAYBACPgAAAGAQAj4AAABgEAI+AAAAYBACPgAAAGAQAj4... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAg00lEQVR4nO3df3AcZ53n8U/39IxmxqORrCS2JcdxHFs4cTCssVXebH443EIKrhK4pO6AMrmtuyMX9ihSSyXBuT8gCQf3xxWEu79gzR51dcua7G7VbdjgXSDshXhhCXHwArEdE8dOcoktyb8kWdaP0UxP9/0hZMn6OZrp3/N+VaVSkdT9PN/neSLNZ/rpHsN1XVcAAAAAEsEwjLC7EElm2B0AAAAAAL8RfAAAAAAkHsEHAAAAQOIRfAAAAAAkHsEHAAAAQOIRfAA... | 1 |
science | grade-7 | predict-heat-flow-and-temperature-changes | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAWWUlEQVR4nO3de3hU9Z3H8feZyUxmkgAJhKsEUQEFEfB+K4hKa71gq/XSumv32W4vT7vrdrd96vr0sm2tvVm3z/Zi2921+lSr9dJHLRfRKhURUIMoIIhyJ1wSIDeSTOY+Z//4ZTK5AQMzOWeSfF7PwzPkN2fO/CZn8jnnfM/vN2PZtm3XxWB7O7QmIWEjIpIXRRYM88LUEhjrB6suatvVLW53S0QGu4uHQ9G2dvPDeD+cWWrSSEQkH1qT8GEIamOwtR08LQlzh8J... | 2 |
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? | "iVBORw0KGgoAAAANSUhEUgAAALEAAAB2CAYAAACHxHLJAAAu9UlEQVR4nO2deZRdV3Xmf+fc9+rVPGqokjxqsLFlG9vYhOABmWASyGocA+lOY8wQegVImoQQhg5ZTUMSG+g0SRjSdDusXovBwY5NgjPQiUPH2GYQ2BAsy8iyNVhzWVJVqcY3nrP7j3POHV6VbKuqXkklv72W1q379F7Vu/d+d9+9v733d5SICE1r2jI2faq/QNOatlBrgrhpy96aIG7asrdco37xwZEKT+wr8uzxKofHqgyPVZmYMazsyTPYm2ewL89Qf55Lz22jr7N... | [
"impossible",
"certain",
"unlikely",
"probable"
] | null | 0 |
science | grade-8 | use-punnett-squares-to-calculate-probabilities-of-offspring-types | false | true | This passage describes the shell banding trait in Cepaea snails: Cepaea snails live on land in many parts of Europe. The shells of Cepaea snails can have different colors and patterns. Banded shells have dark bands, or stripes, that spiral around their surfaces. Unbanded shells do not have bands. In a group of Cepaea s... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAAeiElEQVR4nO3de3TU9Z3/8ddcMskkk0kCgQQCISC3gqiRoFWsFxQt670Vf79V19a6hVPZevacrZfWas/qKlix3XJwu23R34/V2l9FaaW4tvZUqLSrYpRruQYNQQIh98llLpnL74+RSWIyM1EmmeST5+McTr/5fr/5fj9+P805r/nM5/v+WCKRSEQAAAAAjGBNdwMAAAAApA4BHwAAADAIAR8AAAAwCAEfAAAAMAgBHwAAADAIAR8AAAAwCAEfAAAAMAgBHwAAADCIPd0... | [
"4/4",
"1/4",
"0/4",
"2/4"
] | null | 1 |
engineer | grade-6 | evaluate-tests-of-engineering-design-solutions | false | true | Which of the following could Spencer's test show? Spencer wanted to build a bridge across a creek. The bridge needed to be 3 m long and able to support 150 kg. Spencer was not sure what type of wood he should use. He found affordable boards made from either pine or fir. But he was worried they would break too easily. S... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz9V69s65rfh/3ekXPlqpnDynvtdFKf0H1Od4tUk2w0RZmETSvcG4QbggkJvvMHsC9MGBIgA4IBQwZsQCLQBpsWRYHdrQ48fdLe++yz88prpppzVq6R8/DFWN3WJ+CWAb4382bOqllj1Pi/z/s8/yB+//d/v+Hfrn+7/u36t+v/j9Y/+Sf/5Gt5XwVAmfzXTHZGUBasVnOQJRabhMPTCReLW0Y7+7y4vGJ3t08Qrsh8OD0CDZB0jeeXOTcbODq2UdSK9SZ... | [
"if a pine board would support a 150 kg weight",
"if a pine board could support more weight than a fir board"
] | null | 0 |
math | grade-8 | perimeter-and-area-changes-in-scale | false | true | Look at this square: If the side lengths are doubled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAABoAAAAOCAYAAAAxDQxDAAAB/klEQVR4nL2Su2tiURjERxNQuIogCmnEiwha+QA7OxEUEoJ/QdAmSMRW7CzEQgRfhQq3sRFbQZAUYpEyokVIGfFCyiBEERFfs8XuhpVoSJbsTjnnDL9z5vsUJIn/oNN/Dbi4uEAoFIISACqVCtxuNwRBgMlkQjab/XagEgCGwyEymQwmkwlub29RKBTQ6XS+l8QDury8ZCqVOnTEYrFIr9e750UiESYSCZKkLMsMBAIUBIF2u50mk4mSJHEPtFqt2O12qdVq2Wq1DoJ... | [
"The ratio of the new area to the old area will be 1:4.",
"The ratio of the new area to the old area will be 8:1.",
"The ratio of the new area to the old area will be 4:1.",
"The ratio of the new area to the old area will be 2:1."
] | null | 2 |
math | grade-4 | fractions-of-a-whole-word-problems | true | false | Whitney has spent the winter planning an herb garden for her backyard. It is finally spring, and she is ready to plant herbs. She divides her garden into 8 equal sections. Whitney plants basil in 7 sections. Which model represents the fraction of the garden that Whitney plants basil in? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU8AAABKCAYAAAA7d9b1AAACMklEQVR4nO3XP04UcRzG4Xd2FwoEbYzGA6iFB6DgCngDT+CBPIEnUK5AQ2+B2IvRij+bgGx+FpNN1EjCfgOZwTxPszuZmeStPvlN11prx5fJl3lyukiuWgD4y6xLtqbJ843k6XrSHV+0dnAy9CyA+2P7YTI7mvcXz9aTlw/6sgLwp9NFcniefL1MPs+TyclVf0M4Aa63Ne07mSRni2Sy+O0GANdbdvJnSybDTgG4n8QToEA8AQrEE6BAPAEKxBOgQDwBCmarvtD... | 1 |
science | grade-3 | identify-solids-liquids-and-gases | true | false | Select the liquid. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAzb0lEQVR4nO2debAc1X3vP6d7tjt3ru6q7SJdhAAhAQKEjEBsNjHEBIrYrmdiOwQHTFykHs5SMZZNOVUpG0iel0AIccU2xMZ4wYkfMWDKjh84gBcJWWITYhPa9/Xu28z08v44fWbO9O3Z7p3tKvOt6uqenp7ununvfH/L+Z1zxKYh1z2rFdpMmmiiphix4Z0xOJSCzhBc3iH3G01CNlEvtJlwVqvcHrWz+40mIZuoJxT/0m52n1GfW2miifxokrKJhkOTlE00HJq... | 0 |
math | pre-k | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAV1klEQVR4nO2d3W/bVpqHf5JISZRNyZZcSVvHsd00jrtxJunAzUcbTAq0QItmBwl2LnbQq/5rvSkwN4NmZlNsgQ2QzCZbN/Egzjhd2LFTf8UdWbVkS7RFUSTFvTg6tGQp8RcpktJ5buzIikzrPHr5nq/3+AzDMDIVYLEESDqgGWAwXAfnA8QAcDYCpIKAL6MYxuOi05fFYByeK1GAWyiRf/xLEDjXQ6xmMNyGpAPzu8A/K8CLEuAvauQHTFqGmxEDxFEA2NEBv17... | 1 |
math | grade-2 | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAAQu0lEQVR4nO2dXXAcV5XH//d2z4c+RhpZH0h24iiABQS8KszGdmrLcVEbL4VdrhAKKIoK5gVTVPFVsDztkieyT7tbBFJQS2XzgnmggCrYpGQKSB6wC4gF2GXzYWIlOI5lJFmSLWmkkWamu+8+3Jnp7tFY6u6Z7ntbfX8PVqvnTvcZ68y993/PuacJY4zNloHXikDBBAwGhSIUdALkNGBfJ/CWNEBmS4xNrog2S5E0DvUA+lSR/zKSBt7RxT1ToQiDggm8ugbMlIF... | 0 |
math | grade-3 | compare-fractions-in-recipes | false | true | Does this recipe call for more ginger or garlic? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFwCAYAAACCdAwbAABviElEQVR4nO3deVxV1f7/8dc5jAoIgoJzmqY3Q3EgNU1T0yyVrmalpRllv0xzKu2b1yxxKm/OXrxBqZWWY4OmOZQamiWKAxo5j6GCCAgyj+f3B3GuRwYRD4L1fj4ePh5y9tprrb33YfM563z2WgaTyWTiTyaTidzcXLKzs83/jEYjdnZ22NraYmNjg8FgQERE7i4mk4mcnByys7PJysoiNzcXW1tb8z+j0aj7u4iIlRjyA+zc3FxycnLIysoiKysLOzs7KlWqpBuuiMh... | [
"garlic",
"ginger"
] | null | 0 |
math | grade-1 | ordinal-numbers | false | true | The first picture is a bear. Which picture is fifth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAnuklEQVR4nO3de1xUdf4/8NeBIRlABoNFWi5iYqCJgOUVLHtsWqal29Z629Zb+9sVrbV1Ra2+Cfu1xEtlG6Lf389r369pWm2Zlpd2s69iaiYIKrgO2wCaqOgyMgwoM3N+fxxmmIG5nDOcuZ3zfj4ePR7BnDnn8HFen/M5cz4XhmVZFoQQQgghhBBRBPn6BAghhBBCCJESamATQgghhBAiIo81sBvbWPQ9eBtZ/2hCYxv1QiGEEEIIIfLgVgP7s6ttKKhqddpwPtJggEZ... | [
"bear",
"train",
"plane"
] | null | 2 |
math | grade-1 | compare-clocks | false | true | The clocks show three things Josh did Monday morning: Which did Josh do latest? | "iVBORw0KGgoAAAANSUhEUgAAArIAAACZCAYAAADTjdlcAAAuXElEQVR4nO3deVxU9f4/8NcZGAZGdkHEBQEjEQkV9xRzX7Bc0sooKy3TW+qvDJe+6dWWe8ublvd365eWdbVu1jdzKwt3MynNFhfcShElFQEXkH2Z+fz+4DLDcWZgVmYGXs/Hg4fMmbN8zjgvzvuc85nPSEIIAXJJf9lUjvVHqu22vlbXfoF3RYFd1qXy8cHeN4fAX620y/qI3AVzSeR6mMvmS+HsBpBxF28Ku4bS3irKyrB250VnN4OoUTGXRK6HuWzeWMi6qOwCrbO... | [
"got dressed",
"packed a lunch",
"watched TV"
] | null | 1 |
math | pre-k | classify-shapes-by-color | true | false | Which circle is pink? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGjklEQVR4nO3d+09TZxzH8fdpqQJyDQxQ8DrBzM1Nt2wmu/nDsv26v3fZL7tmickubvOOWZzc1SEUSktbzn547GIMOKDt9+nznM8raaIhxm/Lu+fW03OSNE3TpW2YLUGxDrUUkaZ1JdCfh+leGD8CyVIlTa+v+x5LYnZ1ALrul9xfjh+BC8dchSLNKtbh7iYsbsO9EuTWa+4HikxaqT/vmgLYqEOu/sIPRFqp0VQ1hZzfUSQrFJqYUGhiQqGJCYUmJhSamFBoYkK... | 0 |
math | pre-k | one-less-with-pictures-up-to-5 | true | true | Count the snowmen in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAwS0lEQVR4nO3deXxb1Z3//9e52hdLsuXdsZ3YibMnZIEQErayhK0UaFlapixtma5M+ZV2vi3TZaBTZpgW6DZtaSntFFrKnmlpKXvJVgJkJXuc1XZix4tkyZIlS7rn94cSJw5ZbAhElj9PHg8eWL736l7Zb87H5557jtJaa4QQQgghhBAnhHGyT0AIIYQQQoh8IgW2EEIIIYQQJ5AU2EIIIYQQQpxAUmALIYQQQghxAkmBLYQQQgghxAkkBbYQQgghhBAnkBTYQgghhBB... | null | [
"iVBORw0KGgoAAAANSUhEUgAABCEAAAB+CAYAAAAa5QvPAABe9klEQVR4nO3dd3xb5b348c9ztCXbkve2Ezs7IYFMMtgjjLJKGW1/ZXbTFgodt+OW0nVvby8USksHlNJ12aPQskcZCSQkZG9nOd5TlixZsqTz/P6Q7dhk2SFxZOf77utVE1nn6Ax/j57n+ywFaIQQQgghhBBHhNaahm6oCkMwAXEpbQshjlNWBekWGO+GfHvyNYUkIYQQQgghhDhiGqKa5YFjfRRCCJFa5mVAnh2sx/pAhBBCCCGEGE22hZM/C+0w0ZNsBRRCiON... | 0 |
math | grade-2 | which-bar-graph-is-correct | true | false |
Stacy went grocery shopping and bought three kiwis. She bought fewer oranges than kiwis. She bought more lemons than kiwis. Stacy made a bar graph of the fruit she bought. Which is her bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAZwAAAEOCAYAAAC976FxAAB6rklEQVR4nOzdebhlVX3g/e9aa09nuFPNIxTFJIOAUAyCTKKiLThEjWPiEO1ov7Z507bBPHbUGDF0THeCIa++YqIYQIMRedWOoiEigwIyCiVDUUVR83Dr3nvmPazh/WOfukXFgRKoc+sW6/M896l7ztnn7LVXVe3fWdNvCeec25bD411oGdAOz/M8z3vWAgFDCo6swsIIxLbMubuaM10sz/M872B2+jAEa7rlg8URHF0ro5HneZ7nPVstA492YGsOj3VBNnX5gg8... | 0 |
math | pre-k | more | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAACGCAYAAACR4WX4AAAOfklEQVR4nO3dSXMbZ37H8W9v2DeC4iJSIkXRokhLMTXe5GW8zFS5ckg5OaQq8w7yYvIScsspuSQHz2UmlTirKxM5iS27bJWslTIlgRsAYm30mgNIiKtKj4UGRPn/qWJJ2Lob/4e/Xp9+qIVhGJYcuN2Cug9eiBBih6lB1oALKZiIgVbqhOG12rAXS4gX39UcmLda3QenY3Ax3U2TEKKr7sPNJjx24IcW6DWv+4KERYjDskY3GwANH3R/zwtCiMN2s+GGoA93UYQ... | 0 |
math | kindergarten | represent-numbers-with-shapes-up-to-3 | true | false | Which group has 3 stars? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAFb0lEQVR4nO3cPWxTVxyG8dc3cQw3n0BwEqGYSFVbeS4SUzMzlzkzrGUOK9mQurVz5+6dGVEzU0qXVELQJv0gTm4w/rgdLFcmtYPvzbGc1zy/KZYV+8h5dPKX77ELaZqmr99JvyZSrSU1UwEXznRBmp+SPo2llRmp8Lqepk8Px70sYHi3F6TpF0nnxtqM9Plsp2rgoqm1pOfH0qt30i+JFB02O3cQLS6y+alOo5J01JKiVs8dwEXWbbSRStF4lwLkQ7iwRLiwRLi... | 2 |
math | grade-1 | more-less-and-equally-likely | false | true | On which color is the spinner more likely to land? | "iVBORw0KGgoAAAANSUhEUgAAAc8AAABkCAYAAADg1LuyAAAO70lEQVR4nO3dfXRTZYIG8CdtmiZp2tyUFnFta1tcUD5aSFJlFPkS+VhFwC+atqCoMzisyHEVQRxl5cxZmKo7s3Pm7O7MynqOTltwoLqe2TNnlU9n9uBIE2hpV2Dsx9DO7gyl5KZtCKWd3P3DwaM0/Uh6kzc3fX7/cCi3933y18Ob+77v1SmKooCIiIhGLUl0ACIiIq1heRIREYWJ5UlERBQmvegAkfD7L0P2yZC9MryyDJ8sAwCskgSbJEGySZCsEtLSzGKDEhFRQtL... | [
"green",
"white",
"neither; white and green are equally likely"
] | null | 2 |
math | grade-4 | sides-and-angles-of-quadrilaterals | true | false | Which quadrilateral appears to have exactly 1 pair of parallel sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAE/ElEQVR4nO3dP28cVRSG8Xd2104UHIglBKKIqEI6StzwR0rPV6HjU1DxVUC0SCAq0yC6EHqMABl5HYs1Xl+K0QpjbO/s7D1zz5n7/JrYsjQ7xaPJK3t3pkkppaNz6eczab6ULpIAd2aN9HAqPXkgvbkrNUeLlA5PSp8W0N3Bq9LsxVn7zVu70tNX2qoBb+ZL6flL6Zdz6aczaXJy0f6AaOHZw2nbqCSdLqXJ8soPAM9Wjf6dpEnZUwH6IVyERLgIiXAREuEiJMJ... | 0 |
technology | grade | logo | false | true | This is (part of) a (former) logo of which computer related brand? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAEUCAYAAABj6F4QAAAoCElEQVR4nO3dZ3hU1fo28HtPJpNk0icJaSBSAqF3EKUKKgge0IMoCAhiaJEiiCgiTQTEAqIUEbHhUf9HPaJYQEBQlBpChxACBAjpk5AMKZPJ3u8HiC8gSBJmrbXL8/vI5bWf5+Rk7qxZexUpYc9REEII4cckugFCCDEaCl5CCOGMgpcQQjij4CWEEM4oeAkhhDOz6AaIOjidTuXHn76H01nstmd2uqcboqJqSlf/26VLDmXDxvVwucrdVud2de7cHZERUdf06XAUKj9... | [
"Nintendo",
"Amiga Inc.",
"Atari",
"Nintendo Switch"
] | null | 2 |
math | grade-1 | names-and-values-of-all-coins | false | true | Which coin is this? | "iVBORw0KGgoAAAANSUhEUgAAAJkAAACZCAYAAAA8XJi6AABP70lEQVR4nO19a2xU57nu45vs8fg2ZsaxZzwe2yGOYww4CRYuoCoNQlEAJTSbvSt+RDSp1I0qFXp0EI10VJ2eUx2prXKkJpWq7ko7TZQf0d5lJ6QCosoijSqgIJPGhonruMT2eBjb8RiPb+OLbI/PjzXvO+/3rW+NTUIS0p5XQozXzKxZl2e9l+e9fDlra2v4/2LJ6srKp74Yefn5OXfzWP6eJP/LPoAvS3RALX/yMSLTywCA+cEbvH0oNob6QLXyf/OWFgDA4tQkihu... | [
"dollar coin",
"dime",
"quarter",
"penny"
] | null | 3 |
math | grade-2 | which-shape-illustrates-the-fraction | true | false |
Look at the colored part of each shape. Which shape shows two-fourths? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAKEklEQVR4nO3da3ATxwEH8P/d6WFbyMgvjE14GEIIgTQwhaZhSptAWgzGyZC0ZTrT6ZdkOm2HPmg/dDqTyVAyfUwTJi9eEyaZFuNSk4BrA4G245ROSFIgHUqAhEdJoBDAjlUbyZZtIWn74bTnO0lgybrbk2/3/8V63GNPv9vV7p3uLBFCyPUo8J8IEI4DMQIRB8UlAX4FmFkCVHsA6foQIUdDdhdLhEXuLwVc5yPqkxoPMMun7g0izkk4DpztB65FgXMRQA7F1Dc... | 3 |
math | grade-6 | rational-numbers-find-the-sign | false | true | The number line shows an unknown number, s. Is – s positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAGZ0lEQVR4nO3dUWwT9wHH8d9dYieNnSZZZjq2JSJFW1eLKaIEkyDa8dA3xiozVo09MCpWOhDatO0BTWo1aYuQ2NO2ggRbNk1IpLzMqKKjD53UOlRT7CQgFy+pNHWJwqquCWxAnMSxHd8eQgxJSBPjXi6Xfj8v1p1O0S+6l9/9///7n2FZliUAcJHOzk4ZhqF9+/Y5HQUrhHsOtyt3OgAAFOv69etOR8AK457D7ZZduLLZrPr6+hSLxbRu3TqeMpZgpRLKXX9V+bGErNR... | [
"negative",
"positive"
] | null | 1 |
math | calculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x= – 4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACJRElEQVR4nOzde3RU53kv/u/cR/c7khAWAgSyhQEbG2Mu4mLwFV+4OUDapEnTNE6TZqXrtOdk9fRk/dqT45OeJu1Kmrg5adPYaXNwbIOxDZYJNjchIQkECBA2FxmQBOg+kua+r78/BsnIXDQj9qs9I30/a3l5aWb2Mw97z+x55pl3v69F13UdRERERERkCKvZCRARERERjScssImIiIiIDMQCm4iIiIjIQCywiWiYvXv3oqSkBGvWrAEAPPfcc3j77bdv+VhZlvHoo4+... | [
"no",
"yes"
] | null | 1 |
math | grade-7 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{BD} and \line{EG} are parallel lines. Which angles are adjacent angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAf3klEQVR4nO3dfXBU1eHG8ecmBlyRvJRQacNLMjQQAiQrxBBASTKjEKpIMpYXSW3iOEXAOkTSqgO+UPsDbUdg7bSY6TiyVGkNsSbSdKTglGiVl5SFFQSCdJKFJC2WlA1RusXMkt8flAwIQcne5GZ3v5+ZnZE9ybmPTO7wcDnnrNHR0dEhAAAAAKaIsDoAAAAAEEoo2AAAAICJKNgAAACAiSjYAAAAgIko2AgZb7zxhgzD0Ny5c3vleg6HQ06ns1euBQAAgofBKSIIBWf... | [
"\\angle{BCF} and \\angle{EFC}",
"\\angle{BCF} and \\angle{BCA}",
"\\angle{BCF} and \\angle{GFH}",
"\\angle{BCF} and \\angle{GFC}"
] | null | 1 |
math | grade-8 | identify-congruent-figures | false | true | Are these shapes congruent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEaCAYAAAArGyAnAABZ9ElEQVR4nO3deViUddvG8e/MALIpq4gboOCagkuuLa5pKZqaGVqWWxmmZfm8VqamZVk9PaVtVqaVVi65VeZSmeVS7gq4iyi4IMgmuSIw7x/EKGnlAszC+TmO9ziaG+ae637lgXN+c93Xz2A2m82IiIiIiEixMFq7ABERERERR6KALSIiIiJSjBSwRURERESKkQK2iIjITXj33Xfp1KlTkWNDhgyhc+fORY4NGDCA0aNHl2ZpImIlTtYuQERExJ4FBgZy8uRJy+O0tDT... | [
"yes",
"no"
] | null | 1 |
math | grade-8 | compare-linear-functions-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABPAklEQVR4nO3de3xT9f0/8FfuSZNCS6Dl0gItrIgWKQq2iAVBkZvOG5fppsh3yr6bTPHudMOvl69Tp9Nt4nyg84I6L4yN276KvxVQEEp1ai23qqSFltr0QtM2Pbnn/P5giRTaJuk5TdLD6/l4+ECS03feCe98+so5J4lKFEURRERERAqhTnQDRERERHJiuCEiIiJFYbghIiIiRYkq3AwePBgqlarb/7788ss+bjN6r732GlQqFQoKCuJ+2x999FH4MTnvvPPifvtEFJu... | [
"The slope of Function A is greater than the slope of Function B.",
"The slope of Function A is less than the slope of Function B."
] | null | 0 |
math | algebra-1 | identify-linear-and-exponential-functions-from-tables | false | true | Is this function linear or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAcF0lEQVR4nO3df5BX9X3v8RfsysY44CpIoIoBiYDG4I9AsFC0BpGYXnVuRGBNlh+iZjSQyqQiExnNtRB/poJA3GuLqRUiEUx7R0sETeOGqxfiXNKIP9hwg2BRU8wSK6AmC8v9g5u93RBh15wvy8LjMcMMnHO+5/Pmv+f3zGfPdui04r09aQc2nP+RnFr7fluP0WK/uegjbT0CAABtoGNbDwAAAIcTgQ0AAAUS2AAAUCCBDQAABRLYAABQIIENAAAFEtgAAFAggQ0AAAU... | [
"linear",
"exponential"
] | null | 0 |
math | grade-5 | interpret-bar-graphs | true | true | Look at this bar graph: Which table shows the same data? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAGrCAYAAAD6jeD3AAB6A0lEQVR4nO3deVzU173/8dcMq+yrgKwqLiAK4oK4YeISE2MUo1lu08b2Nm1tbdM2aZPm/np729umzU2b5rbaNTe1xjSLFWMVzeK+JaiIIIKoUUFEBAVE1mGW3x/WaVBR0dEZ9P18PPJ4dL4bn/n2gO85c77nGGw2mw0REREREXEIo7MLEBERERG5kyhgi4iIiIg4kLuzCxBxhoqKCpYtWwbAd77zHXr16nXT17TZbPz2t7+lurqar33ta8TFxd3wtQ4fPswrr7wCwM9... | null | [
"iVBORw0KGgoAAAANSUhEUgAABEwAAAGrCAYAAADaeAInAADKQUlEQVR4nOzdd3hTZf/H8XfSvcsoLVDKHi0FSlE2lA1aEAFBcSKKgg+KuAV9nA8ORPkpqIgDERdgUYEishHUyobKFMooUFpooXSmTfP7ozaaDmgZTYDP67py6bnPfe58z8lJaL65h8FisVgQEREREZFLwmAw2DsEERG5BIz2DkBERERERERExNEoYSIiIiIiIiIiUoyzvQMQsYfDhw8zZ84cAMaPH4+Hh8dFt2mxWHjvvfdISkpi9OjRhISEXHBb+/bt4+233wb... | 0 |
math | grade-4 | acute-right-obtuse-and-straight-angles | false | true | Is this angle acute, right, obtuse, or straight? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABPCAYAAADRL7LXAAAJnUlEQVR4nO3dW3BU9QHH8d9JQhJIMFEkkGAuG5FgLRLAcRhfoNVatDpIL4MGRVAadbQoakqUWoPciSC2TqfTqTVeEknEajr2MlOcwc4wo22VQFSaiGTZbICgxQV2EzbZs6cPa3MFEnCz1+/nheHsPvwff/Odf84almVZAgAAABAUCeE+AAAAABBLGNgAAABAEDGwAQAAgCBiYEcJe7tX9e8fD/cxAAAAMISkcB8Ag9nbvdrb4lHDQY/++u+vtLfFrdPdlp6+I1fzZ18... | [
"straight",
"obtuse",
"right",
"acute"
] | null | 0 |
math | algebra-1 | multiply-two-binomials-using-algebra-tiles | true | false | Which area model represents the expression (2x+1)(3x+3)? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAQAAAAFyCAYAAAAamASsAAAWUElEQVR4nO3da2zUdb7H8c9cCi1TesFWSikLtiiILgEqUaLsblQUDNFsNtkEY2JMzgOT9RayOQlkdx/KOSZ784RoTNyNq7tmvZ2wyS6FhkXhoLhupyC3IlJpay+UgTJlSm3ndh5ga9tVtp2Z8nd+3/frkR3T+f7yofOZ/0za+fr29sbT759PSJJ8SkvyCYCr0krLJ6WluyqCCn5wPjHmIc+DH3Cb78qj3CcdOJ9QcOQ5f+lsv9ZWFqhiBiUAuCoynNb+c3G1XEo... | 3 |
math | kindergarten | count-to-fill-a-ten-frame | false | true | There are 7 squares on the frame. A full frame has 10 squares. How many more squares do you need to make 10? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACQCAYAAAAyRxwtAAAEFElEQVR4nO3dQUobYRiA4X9qFsHuuvEa0Z7Ao3oRb6DtMVy5axE0TNdiIQ68Q5rmeXYDw/B9q7wMP5Pp/ul1HgCM26vNsUcA4D/w5dgDAADA/0RgAwBASGADAEDow4HD798ujjHH0Tw8799d29/+58T++8M3AcBC3mADAEBIYAMAQEhgAwBASGADAEBIYAMAQEhgAwBAaNH/Al+8/BzTr8e1ZlnF/PVm7Le75Fn2t7/9z3d/APisRYE9/f4xNs93a82yirdpGiP6gbW... | [
"9",
"8",
"5",
"3"
] | null | 3 |
math | grade-5 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADrCAYAAABTouEvAAAd4ElEQVR4nO3deZRU5bnv8W83syCiCAREQQQJCIKCojFxNg5xHlGiRlExifGcOGW4Ofe67j1JTsxgYoZ7BJSgIopGRbwRNEGQqBiZo42ANIMIAjIoc9N03T+KZlc1PdJV9dbw/fzj+2yK7me5XMtfb37sXRSLxWJIkiRJSoni0AtIkiRJ+cSALUmSJKWQAVuSJElKIQO2JEmSlEIGbEmSJCmFDNiSJElSChmwJUmSpBQyYCv7PT0CJvxb6C0kSZLqpcgXzSirPfRV2LU... | [
"yes",
"no"
] | null | 1 |
engineer | grade-7 | 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. Sean l... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAELCAYAAACyM7+LAAEAAElEQVR4nOz9Z7ctyXnfCf4iIu32x59zfd1yQBUMQYKAKDZJuZZpqTWjV7NmVk+/mLf6LlprPkSvGY16Sa0WJZISQdDBCIYoAOXN9ebY7fdOHzEvInO7e8w1VaiClp67zs3caSMzI574P178y3/5Lw3/nf47/Xf67/RrRP/qX/2rz+W+DsD/+//1ldkGY8xsKc1s49J+YebHAWitl/YbUe430m6UarZfCIFGIIRYbgSAnG8DMOUx1bFmeff8mi/I8s3K861uO+3Yxf0... | [
"the type of mosquito repellent used",
"the number of mosquito bites"
] | null | 0 |
math | pre-k | one-more-with-pictures-up-to-10 | true | true | Count the rainbows in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAA8IElEQVR4nO3deZxk51nY+997aj21V3VVL9N7z9KzaZ2xLcmWLNmAZWNj7GCuiX3JZScEcHBIchNfbiCfwA0BwnI/AUxuiIGAMdjG2MayjC3JttbRjDTS7Fv39L7Wvp9Tdd77x+npmdE6M+ru6Rk9349ljbqrzjl1Tj/9PvO8m9Jaa4QQQgghhBBrwrjeFyCEEEIIIcTNRBJsIYQQQggh1pAk2EIIIYQQQqwhSbCFEEIIIYRYQ5JgCyGEEEIIsYYkwRZCCCGEEGINSYI... | null | [
"iVBORw0KGgoAAAANSUhEUgAABCEAAAB+CAYAAAAa5QvPAAB1IElEQVR4nO39d5xc13nY/3/Ond7bzvaOsigECRAUe1WvliWXqDhybMux7NhRLNvJL1Fsx/7Fjp24xP5+46I4seUmy5ZkWV0yRVISKwiABWXRF9vLzE6vd2bu+f5xBwuAFQCxgyX5vF+CQOxOOXPvPPee85ymAI0QQgghhBDiqtBas2TCqQoUW9CU2rYQ4nXKqSDkgC1+6HHbP1NIEkIIIYQQQoirZqmu2Ve41qUQQoiN5ZYwdLvBea0LIoQQQgghxGvJyYr9d58... | 2 |
math | grade-6 | understanding-percents-strip-models | true | false | Which model shows 20%? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVAAAABLCAYAAAAmjt81AAACK0lEQVR4nO3cMU4UYRjH4Xd2FwoEbYzGA6hHIOEOHsDa0oaj0Fha2+sdKLgBYi9GKxY2Adl8FuMmJiLZ/QcyWfM8zWYyO/ne6rdvM9u11trpVdWXWdV0XnXdCoAbTLqqnXHV862qp5tV3ella0dnQ48FsF52H1ZNTmb9xbPNqpcP+roC8LfpvOr4ourrVdXnWdXo7Lq/IZ4At9sZ962sqjqfV43mf9wA4HaLVv5sVaNhRwFYXwIKEBJQgJCAAoQEFCAkoAAhAQU... | 0 |
math | kindergarten | select-two-dimensional-shapes | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFf0lEQVR4nO3bS1JcRxSE4WxeA1myZzgcjG0vQZtiOVqVdiDLU4WxhiARIUzH9eCKEGrR9H1U1ck8lf9IBAOqzvmiEf3YDMMwXN0Bf98CN1vgfoBzqzvZAK+Ogd9fAL+eAZurL8Pw9jr6WC5zr38GTt7fjl/8dgb8+dOo0Lm13WyBd5+Bf+6Av26Bo+v78RtG5kr26ng0BQCftsDR9tE3nCvZg6n/BuAo9iiulwzNNcnQXJMMzTXJ0FyTDM01ydBckwxtZm8+fsC... | 1 |
math | grade-5 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle scalene? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAlcElEQVR4nO3dfVzUZb7/8feMg0A0hI3hT9ZFSSnCJFctUWNNyTpsqWWSJUoJuoWWd2lbupZpWpaB6Um7Eetodrxp9ejJh490lYxYUHE13SMm5l3mXbAgNwIOzPz+KN218n5mvjPwev7nwHyvt4/64+31+Fzfy+R0Op0CAAAA4BJmowMAAAAA9QkFGx5z8uRJDRo0SK1atVJ5ebnRcQAAANzCYnQANAwLFizQuHHjVFJSIkmqqamR1Wo1OBUAAIDrUbDhVvv379eTTz6... | [
"no",
"yes"
] | null | 1 |
math | grade-5 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEaCAYAAAArGyAnAAAwTElEQVR4nO3deZSU9Z3v8c9TVV1dXd303vTCLquighhcIGpcwBFFcQvqjJmb3MTcLMyYxTi5au6ZGJOJaMwk5uZG4x2dO1dBFhESggZznRgTDIqgoOw73Q29b9W1Ps/9o6GfLoSmm66qp6r7/TonJ1XFU9VfsPqcT/3q9/t+DcuyLAEAAABICJfTBQAAAACDCQEbAAAASCACNgAAAJBABOw09vrrr2vhwoV64403nC4FAAAAfUTATlPNzc1asmSJDMNwuhQAAAD0AwE... | [
"no",
"yes"
] | null | 0 |
math | grade-1 | times-of-everyday-events | true | false |
Brad is playing on the playground during his lunch hour. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAHyElEQVR4nO3da0iTfxsH8O82nU2nbTrnzOVhob7oYAfrXy8Ew6L+6ZNp2dF8IUoJSfUmMnpRQfkuwowiCUI6QBJk/wo6UCGB+agjraiZWnTQ0rCcecjH+X1e+GxPa9N0eivF7wNi/n7XfV/Xtq9rtyKTkeTHfqCxB+iyAQOEIIyZlwzwVwDRvkCIEpB9/E7+2zrVYwl/kr8CAK9XPUNfhCqBWL+h1AnCWHXZAEs30NoPNPQAcuvA0IYIlTAe/oqhDAHANxsgt/2... | 0 |
math | grade-2 | match-addition-sentences-and-models-sums-to-10 | true | false | Which shows 3+1=4? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAABKCAYAAAAi2W96AAAK7UlEQVR4nO2dS2wd1R2Hv3ndh++9sYNjO06cJs7DJDTBEWkUkQUlVciuCwSpQIJFVaksoEiRKEvWoVVh0aqlu0pIRbQqi9INCArqgqqgFEgCFMeKLZyHH7nB9n3N+3QxtmPHjnOvPef6zjCfZF3bM3Nmfvf85sx5/M8ZRQghxm0YrkLJA1eQkNBy6AoUNNjXBj0pUMYtIT6e3ejLSkion2ObQL9UDf7oTcG9ucDVCQmtRsmDrytw3YahKqizbrAhMW1CK1PQAo8... | 1 |
math | kindergarten | count-money-pennies-and-nickels | false | true | How much money is there? | "iVBORw0KGgoAAAANSUhEUgAAAQYAAACDCAYAAABvP7XjAACLj0lEQVR4nOy9d5Sc53Xf/3nrvNPLzvbeG3qv7FUkRTWr2ZZiS7LsxC2S4/JzEjtuJ8eOSxzHcuTIVpcsyaIkNpEgCRIAAaJ3YAuwu9heZ3b6vP33x2BHpEnJAEVKcrjfc+YsOARm5973Pve5/Qqu67qsYhWrWMXLIP64v8AqVrGKnzysKoZVrGIVr8KqYljFKlbxKqwqhlWsYhWvgvxm/wLXsSnk8+QyabKZNKnlZfLLS+SKOiIQjMYIRioI+P1ofj/hcARFVREEAQT... | [
"11¢",
"15¢",
"16¢"
] | null | 2 |
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