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-4 | identify-faces-of-three-dimensional-figures | true | false | Which shape has a triangle as a face? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAASaUlEQVR4nO3de3Bb5ZkG8Ee25fgaO7aTOFcbxw65BwiQzYVLAzQ0tKVbaCmEme5Md7al22bbTmHa/WN3tjuz3V2YTktbKJ3dzvRCgVJ2u6VQChlouZOkQO43l9ixia84tmXLlmRZ+8crRUdHkmPJ0vceWc9vJqMj+ficT44eSeec73s/VygUCnX7gVYv4AkCEyEQUZYUuYDKQqClDFhYDLi6faHQvmHtZhHln81zgaLTXrmzqBi4tFzSSUTZ4QkCJ0eBLj9wygs... | 1 |
math | kindergarten | represent-numbers-with-shapes-up-to-5 | true | false | Which group has 2 hexagons? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAJiElEQVR4nO3cz05UdxvA8WdmVKIFgw2+L0YxExCVTXemq268Bb0AXbs0oS5gBQtL4tK1XoDegpvu6gX4ByET0cgbSSWFYkBm5l1MS9p018w854zn81lpSJ7fLxnmmznn8Jtat9vtbh5EvNmL2GlHHHYDoC+O1SLGGhGzpyL+eyKitrnf7f7yW9HbAr5235+OOLa61/vPuRMRV77p1QigH3baEa9+j/hwEPF6L6L+22HvB2ID9NtYo9eWiIjddkS9/ZcfAPTbn23... | 0 |
math | kindergarten | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJgAAACaCAYAAABVCoEqAAAG9klEQVR4nO2dzVaTVxiFd0AdWG0nXe3qBbS9BK+iF9bLUJdaGEE7KI6Y4ERHjFprmXRiKBjzR0J+vpwOgkugHPIlOT/ve979TBQQOIYHTHa+vW0451xzDPw9AHoVMHUgZGXuNICHm8D394Fv7wGN5si5193cxyIl8uhL4M67wfyF7+4BP34xt4+QVelVwNsz4P0Y+GsAbHSn8zdQLhKCh5tzlwCgXwEb1aU3EBKCTy5NHLCR9yikdCgYiQoFI1GhYCQqFIxEhYK... | 1 |
engineer | grade-8 | identify-laboratory-tools | true | false | Select the funnel. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAAoKklEQVR4nO3de3hcd3kn8Pd9f+ecOaORZNmJHdsJvoQEEtgQEihLW1IuDZSUSxIg7j7bbvdxgi3JhgDZsvu0hSIaoBeWtEuhIckD9Nm2WxoK5dKWbhfCliblspALpnEcW7ZlW/frSHM5l9/vffePkYzGVhLHkXSko/fzjz3naOZ8H8189TvXOQBKKaWUUkoppZRSSqllgVkHUM0++clPFoiolYjWiee1A0ALArSgg3WI7DHiOp/8kMG1ElGAgu2IiMwcImIRAAA... | 0 |
science | grade-3 | animal-adaptations-feet-and-limbs | true | true | European moles are found in many parts of Europe. They dig and live in burrows. These moles eat earthworms and nuts, which they find in the soil. The feet of the European mole are adapted for digging. Which animal's feet are also adapted for digging? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydeZwUxf3+31Xds7P3LrvLfYjcKIciRgVBQaMQjcEIXqh4RE08o9F4fGMSY6L+ggYTryBqxKiJIV8vNMbz64mIHOKJiBwCci/sye5Md9Xvj6ru6dldYNH1iOnH17xwZnq6q6tqZp/61PN5PkJrrT3PQylFjBgxYsSIESNGjBgx/jMhpcR1XUQ6ndYxuY8RI0aMGDFixIgR4z8fUkpkTO5jxIgRI0aMGDFixPh2QCmF/LobESNGjBgxYsSIESNGjLZDTPB... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebwkRZX2/z0RmVV17+2+vTfQTTfQNPuOICoCAiqgCKi4gYrgNq4DigM4o+8gir6C4oigiBuIvKP4AxWXYZGRVQSaVUT2femNXu9SlRkRvz9ORFbV7YVGW3Gpw6c+l3urKjMyMzI7nvM85zkSQghlWeK9pxe96EUvetGLXvSiF73oxd9nGGPIsgwReaGH0ote/EOG6QHnXvSiF73oRS960Yte9OLvP7z3lGX5Qg+jF734hw3TA8696EUvetGLXvS... | 1 |
science | grade-3 | animal-adaptations-feet-and-limbs | true | true | Red-eared sliders are a type of turtle. They are found in ponds, lakes, and rivers in many parts of North America. The feet of the red-eared slider are adapted for swimming. Which animal's feet are also adapted for swimming? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5wVRfb2v9V9JzMzZHDIOUdBUBTBCIgsCmYMYFqzsrKgGxFX3UXFhKioC4r+VIyLYUV0DYBIRqKIRMmZIUy4XfX+UV0d7tyBAUdx9+3n8xmY27e7ukLfO8859ZxzhFJKxeNxpJREiBAhQoQIESJEiBDhvxOWZRGLxRDFxcUqIvcRIkSIECFChAgRIvz3w7IsrIjcR4gQIUKECBEiRIjwvwEpJdbx7kSECBEiRIgQIUKECBHKDxHBjxAhQoQIESJEiBD... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9eZxcRbn//66qc7p7ZjIz2QnZgCSEfRVFRRBc2UT8sYkgCip+RVBANv16VRa3C4iKiCwq+1X0glxULohcQEREQkBEkH0xLNkzySzdfarq98dTdfp0zyQZMBKu3/7wamam+yxVdc7p1Kc+n+d5lPfeZ1mGc4422mijjTbaaKONNtpo438ntNYkSYJSan03pY02/iWh28S5jTbaaKONNtpoo402/vfDOUeWZeu7GW208S8L3SbObbTRRhtttNFGG22... | 0 |
math | pre-k | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAVXUlEQVR4nO2df3BUVZbHv/d1p9Ppzm+SNAmBZAgkCEiEIIii7vijXMcZnHW0qHJYdqa01l1315WpHcvBrd2aKodSy7F2h11XLaxxRVF3h5pRRx0VWNCoA0wCRIIEjBAIhPzu/OhOd7r73f3j9Xv9Oh1I3k2/X537+SOd9Lvv3tPdJ7fPPefccwmllF4aB74OAiMxIErB4VgOJwHyHMBiD+BzAeRSmNJDw2aLxeFMn7X5gPN0UPqj3AXUeSWt5nCsxkgMaAsAXeP... | 1 |
math | kindergarten | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABcdklEQVR4nO3de1yUZfo/8A+IAwKTynBwqHRABU2mrbAAjyilbQlWWin99qi239rdZNsOG2y11WLHbaG+9d1ddWsPgZVUgm1poqAGWNJpUAN1GDMHBxlPwyCMKL8/2BkZmMM9J4bD5/16+ZKZ536e5xZnXnPN/VzPdQV0dXV1gYiIiIiIvCLQ3xMgIiIiIhpKGGATEREREXkRA2wiIiIiIi9igE1ERERE5EUMsImIiIiIvCjI3xMg/ztnuoC2jk4Y2zu7/+7o/jtoRCD... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABtXUlEQVR4nO3de1zUVf4/8BeIAwLjheFe6YAKmkzqYgleUUrbNrDSSum31a7SbrWbdLNNu2yWVta2sG19d1fbLltoJZVgJRYKaoIlpQ1qoMKoOTDIeJsZhBHh9wcxcpnL5zN34PV8PHzIzOec8znqTM173ue8j09bW1sbiIiIiIjIKXx8fDw9BSKP8/X0BIiIiIiIiKhvYaBJRERERERETsVAk4iIiIiIiJyKgSYRERERERE5FQNNIiIiIiIicio/T0+APO+C8RI... | 0 |
math | kindergarten | one-less-with-pictures-up-to-10 | true | true | Count the party hats in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABAm0lEQVR4nO3dd3gc1b3/8ffM7krbd9V77y6Su2UMxg1IoQdy04Bwk/zuvSFAIOGm95ue3BTSfgmEmkaCjYlJADcwxr3LRbJ6W3WttF3aMr8/1giMTcovEpLF9/U8PA/anZ05M+Pvo4/OnjlH0TRNQwghhBBCCDEp1OlugBBCCCGEELOJBGwhhBBCCCEmkQRsIYQQQgghJpEEbCGEEEIIISaRBGwhhBBCCCEmkQRsIYQQQgghJpEEbCGEEEIIISaRBGwhhBBCCCEmkQR... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1YAAAB+CAYAAAAnS4CtAABhBUlEQVR4nO3ddZxc9bn48c8Z2fHZWXf32MazISTEkLY4hSpW+VUoUKjQAlXqpUpL770tReuFJBRaiCdI3HYj6+42Oz67I+f3xySbhIQ29yZhk+V5/5PszJkzR/Z57fOcrymAihBCCCGEEOKc2NQf4s2hMAAKKqBM7AGJ80BFRQEVLk3WsThFh26iD0kIIYQQQojJZNtQ+IRSSoqqyUmJ3VkF3hgKk2vWSGElhBBCCCHEuXSsjarcpmFxip7kOCmuJpvBMZXXBkL... | 2 |
math | pre-k | count-shapes-in-rows-up-to-10 | false | true | How many rectangles are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE0CAYAAABZ4EexAAAHSElEQVR4nO3asU0cURhG0Tcs9kYEFIIlV+AeTEQLiAjRB9FG1EDiDhy4AsuNWLIMC6txQAVIuzvW1TnxSO8L/uAGM83zPA8AACDhZOkBAADA/gh8AAAIEfgAABAi8AEAIETgAwBAiMAHAIAQgQ8AACECHwAAQgQ+AACECHwAAAgR+AAAECLwAQAgROADAECIwAcAgBCBDwAAIQIfAABCBD4AAIQIfAAACBH4AAAQIvABACBE4AMAQIjABwCAEIEPAAAhAh8AAEIEPgA... | [
"6",
"2",
"10",
"8"
] | null | 2 |
math | kindergarten | addition-sentences-up-to-10-which-model-matches | true | false | Which shows 6+1=7? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAXYAAABKCAYAAACvkX8HAAAM00lEQVR4nO3da4xcZ33H8e+5zWV3xmuytjf2rsl6YxsHcnFxLTd5kWLJscQLXgRkRKS8olJpBUHiIl7yDgkEIhKtqr4rEqiBVu0L6EWk0ASQGpTIBUJKim15V/iSXa8neHfu5/bw4uzsxd7Mzpk9z5kzk/9HWo3XM+c55zdn9T+35zzHUEqpRReuNKAagK8QQggxRGwDyhYcG4OpHBiLbaVeXR30YgkhhEjCmT1gX25EvxzMwfvGo6ovhBBieFQD+F0d3nLhUgP... | 0 |
math | kindergarten | fewer-more-and-same | false | true | Are there fewer goldfish than fish bowls? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACgCAYAAAA2PRuAAAAo70lEQVR4nO3deZgc933f+Xcdfff09NyYCzO4CeIieICkKIqURWdtyrFsypbXkmzJkiJnnciJJGez8WPtKsn6Sda2tElWju2NFcmU7KwlS6RkcSWvQ5EUKYoESQAEcRPHYDD33T191/HbPwYgCRI3ekBg5vN6HjwEODPV9a6qfp5v91R1WcYYg4iIiIiI1IX9dq+AiIiIiMhSogFbRERERKSONGCLiIiIiNSRBmwRERERkTrSgC0iIiIiUkcasEVERERE6kgDtoiIiIh... | [
"yes",
"no"
] | null | 0 |
math | grade-8 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABrCAYAAABNEvX3AAAQOElEQVR4nO3dfXBV9Z3H8c8599x7bkIIRBJAwlMK6MIi8qCRIoGgrhRrtYuzat211tmhPuzWbmeddh8cdzq7OnRod4fWaaWt1rpi13YU3aJdFCugPGhNBQUfwPIUAvJMQgL3+ewfSTj3QnjMvfece+/79Vc4czPzS7hn8jm/+/3+vobjOI4AAAAAZIXp9QIAAACAYkLABgAAALKIgA0AAABkEQEbAAAAyCICNvzt1Ve9XgEAAMB5IWDDv1pbpRtvlPr3lxYt8no1AAA... | [
"no",
"yes"
] | null | 1 |
math | algebra-1 | identify-linear-functions-from-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAfwAAAH8CAYAAAA0Uh0TAABw2ElEQVR4nO39eXRU95kn/r9LtWovIaEFgSRjtgACjMEshhg3jnEbx21IMjhO4nji6dPOtJN05nTPN5OT6V8nx/FkTifpicdO4sxkbKe/PVn8DbZjg8DYZrMIi2QkkMwiY7QBJamkqlJtd6m69/dHUWUJSagK1UdVpXq/zsmJVVQ9enRv3fvcz/0s16Drug4iIiKa0XJSnQARERGJx4JPRESUBVjwiYiIsgALPhERURZgwSeiUX7729+isbEx9nMoFMIzzzyDQCCQwqy... | [
"nonlinear",
"linear"
] | null | 0 |
science | grade-5 | use-data-to-describe-climates | false | true | Which statement best describes the climate of Sydney? Hint: Summers in the Southern Hemisphere occur in December, January, and February. Winters in the Southern Hemisphere occur in June, July, and August. Sydney is a city in Australia. It is located in the Southern Hemisphere. It has a humid subtropical climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAEAAElEQVR4nOzdeViU573/8fcMMyzDMuwgAuKCCC6AG4pbjNGYmGhc0sQmaWzSnCRtTm2brmnOr+d0SXvaJj3N0iVdYpamSUw0RhQTNYpLFDcQUXDBhcWFnWFYZr1/fyAjCCrGgcHk+7ouL+GZZ+b5zszDzGfuuReNUkohhBBCCCGEcAutpwsQQgghhBDii0QCdi/JyclBo9Gg0WgYO3asp8sRX0IrVqxAo9GQlpbmltt75513mDlzJtHR0ej1esLCwpg9ezbbtm1zy+1... | [
"Winters have lower temperatures than summers and there is more precipitation in the first half of the year than in the second half.",
"Summers and winters have about the same amount of precipitation but summers are colder."
] | null | 0 |
math | grade-1 | match-analog-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABO4UlEQVR4nO3de3RU9b0//Pfee265zCQhRCCJcq2Q0AriKYmitI8aPBXreo6hPVI97cGe1nat44muil2/1UJXwfasCl1C7VqteoT21KO2Ep9ntWIfifT0xCIJPY1AZVKsXFImQAghyc5tLnv2fv6YZMiQuXxnMve8X2u5yOz5zsy3SXbz2d/9+X4+kmEYBoiIiIiIKC/ImZ4AERERERElDwN8IiIiIqI8wgCfiIiIiCiPMMAnIiIiIsojDPCJiIiIiPKIKdMToCzgNwC... | [
"12:30",
"2:00"
] | null | 0 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-18 | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAABkCAYAAABwx8J9AAAfAUlEQVR4nO2deXRU152gv1evSrVqBQFCiF1gDEZmsUBOjAmTxEl3Tki8YDpu24rdJ+f0dDLT0336n5kz/885OU5Pp3tOJpPFytg4OA5x7D7pyWJskyYWCCOxLwYb0L6grUq1v2X+KFGSqBIq1QJP8u87R6d4272/T9fWr+57992rmKZpIgiCIAjCnMZ2rwMQBEEQBCF3Cp/QowH0tl+iX32/4FUVFPGwFuJhLcTDWoiHtdCimJ2nMAeuFLQae0FLB/QLv0XvaMUc7QY... | [
"13 − 4 = 9",
"12 − 4 = 8",
"12 − 5 = 7",
"13 − 5 = 8"
] | null | 0 |
math | grade-7 | apply-multiplication-and-division-rules | false | true | The number line shows an unknown number, d. Is d – 4 positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGcElEQVR4nO3dz0/TeR7H8de3+G1LC8PggIZ1pWw22WSIWaNgBWM2HicxHvDHwUziejKDMTFzMtm9GifuwZMmS+LJyRI9LB78C6qbbFuoDpEVM5MMoJPMhA4KoaU/vqXfORTKsANiQum3X/t8XEq/fA+vpC288un7+/katm3bAlxseHhYhmHo/PnzTkdBlfCaAwBq2S6nAwDb9fr1a6cjoMp4zQEAtey9C7ZlWUokEorFYtqzZw8rR8AOspLLmhtZkJUsaGkyJ1/IlD/... | [
"positive",
"negative"
] | null | 1 |
math | algebra-1 | interpret-a-scatter-plot | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAk8UlEQVR4nO3df3BU1f3/8VcCQogbsgXRbEJ08w0UAjoEkpYkzJDE6RBRYtG2YmnHil+Q6LSW2F/YmWJU7OTTQaFW+QRRRIsW2xRtZRC+WlnQTALNQhiFhJaaRQhsAMvmB0mAwH7/QLYEkkjKyd5l9/n4i3vPsu/3EWfy4nDuuVF+v98vAAAAAEZEW90AAAAAEE4I2AAAAIBBBGwAAADAIAI2AAAAYBABGwAAADCIgA0AAAAYRMAGAAAADAqpgN3R0aGOjg6r2wAAAAD... | [
"positive trend",
"no trend",
"negative trend"
] | null | 1 |
science | grade-3 | classify-rocks-and-minerals-by-color-shape-and-texture | true | false | Select the brown rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACaOUlEQVR4nO29Z5Mk53UlfLLSlfeuffdYDDwNCCwhkTIRa7S7sfq4G/th/9j+g33FVSwpiRQlcgmCACgCIIDxPTPtu7z3VeneD1nndtYQHEAEaKTtJ2ICaFeVlflcd86591E8z/NwuS7X5frUFfp9X8Dlulx/yOvSQC7X5XrGujSQy3W5nrEuDeRyXa5nrEsDuVyX6xnr0kAu1+V6xro0kMt1uZ6xLg3kcl2uZ6xLA7lcl+sZ69JALtflesa6NJDLdbmesS4N5HJ... | 1 |
math | grade-2 | equivalent-amounts-of-money-up-to-1-dollar | true | true | Look at these coins:Which group shows the same amount? | "iVBORw0KGgoAAAANSUhEUgAAASMAAAA/CAYAAACrQ655AAA0mklEQVR4nO29d3Sc93nn+3nr9IbeO8EOEqxip0QVq9iW3GTLRfbaSdY3ztrJ5ibek2yc9cb3ZG82Nyebu2e9d+Mi27FjdUuURFGiKJEUewUIEiBANKIMMMAMpr/z1vvHUIi1UbyUrOqdzzk8OCQGg/d9+M73PL+nCo7jOJQoUaLEe4z4Xl9AiRIlSkBJjEqUKPE+oSRGJUqUeF9QEqMSJUq8L5Df6wv4TcTQ8mSzWQoFjXw2i6kXyMVn0C0HWZZxBSN4vT78gSCq24M... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAc8AAABoCAYAAACXFnvJAABrhklEQVR4nO39d5hdd3Xvj7/26b3MnOl9NFXSjNqod8lN7gVXsI0pJgSuSYDfJTckPxJuEu4NJHAheSBgmmMMtnGTbVmWi3ovI03TNE3v5Zw5ve69v38cnY0UDJFs2TKwX8+jZySNdM7en7Nnv/dan7XeSwBkVFRUVK4ysiwzkYDeCARFSKl3JpUPEToB7FqotkCeAQRU8VRRUfkQMBGXORa42kehovLfs9IBuqt9ECoqKioAPZH01wID1FrTT/kqKh8WgiJ0hWE... | 1 |
math | grade-8 | identify-linear-and-nonlinear-functions-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAHJUlEQVR4nO2cbUhTbx/Hv8tSMkuplI3yYQ100eNG9kCYZLLihl60MnRQGlYYhATKlMgQswdxLzaKjQbLSIfi3cw3/8IFlZU1X1VUuC3aMqzBpiXqSFqb94s/Dsas3PxttdvrA77YdY6/7+XHs3OOOz8vdP7TMxULxMo8F4BBChNKDBNKDBNKDBNKDBNKDBNKTESEWiwW8Pn8n365XK5IxM6I1+uFQqEAn8/HjRs3ZtynpaUF+fn5yMnJQWFhIbq6usLOWxj2d/6C9PR... | [
"nonlinear",
"linear"
] | null | 0 |
math | grade-3 | identify-multiplication-expressions-for-equal-groups | false | true | Which expression describes the model? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACHCAYAAAAslC4OAAAfA0lEQVR4nO3dy28jyX0H8G832XxTpDgcvR/HHPMvJNf8BfkP8lcYgR1gfVrnYiDXONjEAxgTGHYOxl42gCeOD/Zhgizi7GTWO9JIlMSR+BDfj2YOMnu6mxpJJKu6q7q/H2AAUeNhV5Pf/XW5qrramM1mMxARERERkRBm2A0gIiIiIooSdrCJiIiIiARiB5uIiIiISCB2sImIiIiIBGIHm4iIiIhIIHawiYiIiIgESobdAJls28Z4PHb+jEYjjMdjTKdTzGYz2LYN27a... | [
"1×4",
"3×4"
] | null | 1 |
science | grade-4 | animal-adaptations-skins-and-body-coverings | true | true | Dead leaf mantises are found in forests. The mantis is adapted to be camouflaged among dead leaves. Which animal is also adapted to be camouflaged among dead leaves? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd3xcxbn+vzNnVytZlmRLcu+94IaxMWAwGEIH01voJCEXAgR8aSE3JJQL3JAACaFjOoTeHEIghlCNccUFjHtvsmWrlz1nZn5/zJyzK9uAAFF/5/l8BKvdU+bMOWs97zvP+7zCGGOCIEBrTYwYMWLEiBEjRowYMX6YkFKSSCQQvu+bmNzHiBEjRowYMWLEiPHDh5QSGZP7GDFixIgRI0aMGDF+HNBaI7/rQcSIESNGjBgxYsSIEaPlEBP8GDFixIgRI0a... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d5xlVZX2/917n1u3cnXOCTqQmywI2ogBAREDSBjMzjijo77AC6LOO84ojjqiomNAEBwxzSiKvjDzMiCgKBIaGmxy7ACdc6ruqnvO3uv3x9r73FvdDTTQivo7y09J1b33pH32ub2f9TzrWUZEpCgKQghUUUUVVVRRRRVVVFFFFX+eYa0lyzKMMS/1qVRRxV9k2Ao4V1FFFVVUUUUVVVRRxZ9/hBAoiuKlPo0qqviLDVsB5yqqqKKKKqqooooqqvj... | 0 |
math | grade-6 | similar-and-congruent-figures | false | true | How are these figures related? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB4CAYAAADIUIXCAAAFBklEQVR4nO3dsWpkZRjH4Xc07FokJoUWukIGEWwDWjsJ5AKmtgqIfUAvIHeQK7DIDcg01k56hbGwsJEpNFu4xZhYTCAwVhELRSHvOd8333keSDvnhSXw4/Cf7Giz2WwCAABI8VrpAwAAoCUCGwAAEglsAABIJLABACCRwAYAgEQCGwAAEglsAABIJLABACCRwAYAgEQCGwAAEglsAABIJLABACCRwAYAgEQCGwAAEglsAABIJLABACCRwAYAgEQCGwAAEglsAABIJLA... | [
"neither similar nor congruent",
"similar but not congruent",
"congruent"
] | null | 0 |
math | kindergarten | times-of-everyday-events | true | false |
Sam is biking home from work. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHQAAABzCAYAAABJnyafAAAMoElEQVR4nO2de5AUxR3Hvz2z792723vuvbjjOBAQRbwoRwURgkiqrFCmIqkECSSKiVFTlSrFKmNREYzGWIUm+UeNFa0YBfMQqlAjFbQ8EqImqLwUjsfBcYfH7b33Hvvemc4fy+3u3O3j5rG73Fx//rmemf79ume/1z3T3dPdhFJK3SGgzQeMCkCEgjGNMBCggAfm2QCXCSDuIKWHR/KdLYYWNBcChnO+6EGVCZhvj6rNmD6MCsAZL9AdAs76AG4kEr3AxJyeFPB... | 1 |
math | grade-4 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACQCAYAAAAyRxwtAAAe+UlEQVR4nO3de1SU9b4/8PczzMAwjNyR64iAeIUQE8VU1LyUmYVWmpiG1W53OatzMjtrtdVzVidt/9beWuvX2lanXUle8JKptb3lXUJFMRBFRVAQuctFwAFhGOY5f4hPWloOzMwzDO/XX32epc+8abFW777zPN+vIIqiCCIiIiIisgiF3AGIiIiIiBwJCzYRERERkQWxYBMRERERWRALNhERERGRBbFgExERERFZEAs2EREREZEFsWATEREREVkQC7YMfiw5gegN85D... | [
"2 pairs",
"1 pair",
"no pairs"
] | null | 0 |
math | kindergarten | one-less-with-pictures-up-to-10 | true | true | Count the triangles in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABeCAYAAAAZpWPpAAAGUUlEQVR4nO3du25UZxSG4U2apKfLxYarwFQuAk16KIhouANI6QgC2E6KUGGBCMJ4UiBks8an8fx7r//wPJ0PMx6t6pP2K/nWarVaTQAAQBE/ZH8AAADoiYENAAAFGdgAAFCQgQ0AAAUZ2AAAUJCBDQAABRnYAABQkIENAAAFGdgAAFDQMAP74eud6e3H/eyPMRx3z+HuAJBniIH94t2z6fH+7nR/7850svqS/XGG4e45Dt/vnd59cncAWFr3A/v45PP0YO/OtJpOppd... | null | [
"iVBORw0KGgoAAAANSUhEUgAABGgAAAB2CAYAAACUGaXIAAAL8ElEQVR4nO3dzY9ddR3H8d/QwgLFh8Ro/APExLUJ8Y/wX9K/omVjE4WFri2JKAtZs6FLW2io7aAobJg+WZjpdXEZ2n7n8c4953zOw+u1mZTSmZMPCXPnO/OGndbaqgEAAJ1YrVbts69a+/hRa/cPWtv3ahuAY1zeae21S6397NXWfvJKazvNgQYAADrz2ZNV+2Av/RQATMkb32vtcvohAABgTj56tH7701da+/l31t8dBYDq/kFrNx+29u+vWrv1qLWX0g8EAAB... | 1 |
math | kindergarten | fewer-and-more-compare-by-matching | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARIAAABeCAYAAADv2puAAAAFLUlEQVR4nO3dv1PbdhzG8UeWzIU0MTTXM1eGOEubxUO3jPwFIVumtFPYClv+im7QDTJl7QL5C9IxUwYWkg64Qwq01/AjgcZIqIPwFYxtbH++kmz1/Vo4zpw+30fcPSfL8JUXx3G805R+O5aOIimMBQA9BZ5025e+uSnNTEjezuc4fn2Y97IAjKsHFSl4d5x88/WEdP+LpGUAoJejSNr6JP3RlN4eS6XDMHmBEgHQr9t+0hmS9DGSStGFFwCgX63OOI2lUr5LAVA... | 0 |
math | grade-5 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAl2ElEQVR4nO3deZxWdd3/8dc1Mww4jiyDqIMbIIISIKssI8qulqVpmZrmWr/K0ty6Let33/dPu7Ncqrvl/v1K01Kz5dZb28wNLQXZXBADxQVcYCw2RRxhhLl+fxzgXOiMcw1zXed7La/nX58D53Gdt0SPx3sO5zqfVDqdTiNJkiQpJypCB5AkSZJKiQVbkiRJyiELtiRJkpRDFmxJkiQphyzYkiRJUg5ZsCVJkqQcsmBLkiRJOWTBVmFrWge3fR5+cgK89nToNJIkSe1... | [
"yes",
"no"
] | null | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAY4klEQVR4nO3daXAb530G8GcXu7h5k+JNkZRo3Zasw3JsKZYjqfURJ45dJ07ixO1Mk+lMp/2Q6df2ezudTj+008l0xk3q2I7rKz4iybakyDosiZIoibpJipfAGzxA3MAe/bAkKIikTIvgLkg+vxmNzSWwfIHFPnjf/74vIOi6rvcngLYIEFQBRQcRUUZIApBjAxrcQKkdEPrjut44bnWziGip25kLSK0R44dyO7DGY6QREVEmBFXgVhjoSwAtEUAcV4xfMGyIKNN... | 1 |
math | grade-8 | identify-linear-and-nonlinear-functions-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAHC0lEQVR4nO2cb0hTaxzHv5u2Ef1lWbm09BQ1oxD8u6IkcKMXmZTWzf680BgUo5iMYkQRQtQQMqyorSA1WFB4yYropns3CpICZ6NMFGa2uWJFiG1I6Hbui8u87Lp059zf0evl+cBe+Dzj93v24ZxnY/v6oPVZBz8XmCvrlINBChNKDBNKDBNKDBNKDBNKDBNKjKRCI5EIGhoawHEcmpubpWw1JcPDwzAYDOA4Dj09PZPme3t7odPpkJub+697SSY0GAziyJEjaG9vR0p... | [
"nonlinear",
"linear"
] | null | 0 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed line is a vertical asymptote. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABt9ElEQVR4nO39eXhU150u+r81V2kWkpCEQMKYGCOMwGIygwyOSUxMQgfcPjjd6QzdyU3nOEPn6e4Mvumc38kh7tzkODnp4+TYfTttO3Fu0qE9JWCBcRgtjAEBAsRgLINGNJRUKtWwaw+19+8PUTJiLKG1VCXxfp6HB1Ta9epLqWrXd69aey+bZVkWiIiIiIhICHuqCyAiIiIimkjYYBMRERERCcQGm4iIiIhIIDbYRLeRnTt3Yvr06Vi7dm2qSyEiIpqwbDzJkej2sXr... | [
"$\\lim _{x \\rightarrow 5^{+}} f(x)=-\\infty$",
"$\\lim _{x \\rightarrow 5^{+}} f(x)=\\infty$"
] | null | 0 |
math | kindergarten | subtraction-sentences-up-to-10-what-does-the-model-show | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAAAyCAYAAAB1V8bkAAAVHUlEQVR4nO2deWwd133vP+fMcu/lJe/lvoiUZMuitVgL5V1OnK1t8to0NpI4adq0qF9f4falr2haFAVctGjQBW0RtE0QwEiCtE94eXb68Kw6r03s2mmf11iy5EiUbVmStVALJZKiLsl7eZdZz+kfw0UUd4qUXGm+ACFczcw5v8/85ndmzpnfOSO01ppYsWLd0JLX24BYsWKtvOJAjxXrJlAc6LFi3QS64QP9vRM919uEaVqKTTHHyulm4DCvoR3XXLue3M2efQfYee+... | [
"6 − 4 = 2",
"4 − 4 = 0",
"5 − 5 = 0",
"5 − 4 = 1"
] | null | 3 |
math | grade-3 | 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? | "iVBORw0KGgoAAAANSUhEUgAAANkAAACRCAYAAABOtR13AAAezklEQVR4nO2dfVBTV/rHv0ggkpQokays122Q4k9w0lIXGLVuL6udFap1eJsBaXW0Tqeg7WxHmR216Lh/8KLbLXanXevL1I46rHYsi3Q7AzrFbUHHF2DU2YxgRV2B8CKa8CLhLeT8/mBzSyCEJNx7A8n5zGQmLzfnnHuT7z3Pc87znONDCCGgUCiCMcvdDaBQPB0qMgpFYKjIKBSBkbi7AWO5dOkSfvzxRzQ2NqK5uRk6nQ46nQ5SqRQMw4BhGCxcuBBhYWFYv349Xn3... | [
"unlikely",
"impossible",
"certain",
"probable"
] | null | 2 |
math | grade-2 | compare-sides-and-vertices | true | false | Which shape has more vertices? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAMf0lEQVR4nO3dXWwc1RUH8P+dj3Xs9UfsJF4n0ASaBBTUitAmoD4UJNqiSlAemqIqoDQCSguIAA+Ip/AET5QHaPhqKaCUQkSBqhJRqdIWqWmliiQtQa2wILGAAMk6TuzYXu/GOzP39mHHJiSO7LF37pl75/zeUOK9R/Bn9/j6nLFQSqlyHThcBcYjIFRgzFieADpcYG0bUCoAojyp1L4x6rIYa76rOgHvULXxD8sLwKXFRvoZM9V4BHwwARyrAx9WAWcsbPwBh5v... | 0 |
math | grade-3 | choose-the-appropriate-measuring-tool | true | false | Which tool would you use to find out how tall you are? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACnCAYAAADzJ6XqAAAbKUlEQVR4nO2deXRUVaKvv30qU01JyEgFSBgkIFMgjALiDDxFrsuhvTTNVbn30r5le3ku7dUu7bdWd6ut94naioqKgqAg4HsgwQEFQWxAwhwCZiBkJjOZqlIQkqr9/jhJkQIUUCpVFfa3FutQJ/vUOSd8/PY+++yzj5BSyqqzUOAEuwvaJQrFFRMiwGqAwSZIDANR1Srl3mZ/H5aiJzExEkKOO/UPtjAYYtatUyiuFLsL8lqg8izkO0Frbtd/oKRS/BqsBt0hAIc... | 0 |
math | algebra-1 | identify-functions | false | true | Look at this set of ordered pairs: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABaCAYAAACCNCH/AAAQtElEQVR4nO3dfUyV9f/H8dc5HgE18VhAF0zL8ia6mQWSaer0WDmVbqixoYHRpmXZ3dYfbmLZvcJGq6auzCbSrLSTrJpgtWVUSCl0Km6yosiCOGdF7AitiR24fn+U1+/Ll6Ny4MDh656P7fzB5+b9fl/89d6167o+NtM0TQEAAAAIC3ukCwAAAADOJjTYAAAAQBjRYAMAAABhZDXYLS0tMgxDu3bt6rWotrZWI0eOVE5OTkjBv/jiC9lstqA/n8+n5uZmxcfHa8+ePQO... | [
"yes",
"no"
] | null | 0 |
math | calculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABwkElEQVR4nO3de3hU53ku/HvNeXQWkpCEQOJksIUlDDbYYDC4EJuaxAkkrp02Bzdtd5s6TrJ3253DTvO1CfXO19TJTuKk3tn1tp3DVydOfEjAMsZBBiwZAzIIJDAIGYSE0GGk0WiO6/z9IY1AgGAkrVczI+7fdXEJzay559FoZs0zr971Lsk0TRNERERERGQJW7ILICIiIiKaTthgExERERFZiA02EREREZGF2GAT3UB2796NuXPnYvPmzckuhYiIaNqSeJAj0Y1j48a... | [
"yes",
"no"
] | null | 1 |
math | grade-2 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAiYAAAFvCAYAAAB+cQB/AAEAAElEQVR4nOz9eZRd1XnnjX/2PufeW6V5AEmgEo4lhJEBiTi2EVPbFnHiGHmtvB7yM9hxd/ImbbB7ddrtZMXxkPX+7G5jJ+k3dtKxgd9a7RkcG7qzlhlsEogNiNGxkQQIkDAglSZAJWq8de89Zz+/P/Zw9rlVJVVJVaWSVM+yuXWvajjn7P08+3m+z/BVIiLMyqzMyqzMyqzMyqzMAElP9AXMyqzMSlmk3ovZ+xQAqnMBeuWFJ/iKZmVWZmW6ZFb/Zx2TWZmVEy75ri1... | [
"about 40",
"about 70"
] | null | 1 |
science | grade-8 | identify-rocks-and-minerals | false | true | Trachyte has the following properties:
not made by living things
no fixed crystal structure
made of light and dark mineral grains
naturally occurring
solid
not a pure substance Is trachyte a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAADmWklEQVR4nOz9d5Rk93Xfi35OnVM5567OOU335IgZJCIIYIBE0SLlpytKsiVTlu+TbTk+L18/L1/Lsn3X87t6pizJtAJpUiIJBpEAiYzBBExOnXOu6so5h3Pq/XG6iwADKBkEgzR7rVmYhJqqU7/9++3f3t8gNJvNJvfjftyP7xqaH/UbuB/348c57ifI/bgf7xD3E+R+3I93iPsJcj/uxzvE/QS5H/fjHeJ+gtyP+/EOcT9B7sf9eIe4nyD34368Q9xPkPtxP94h7if... | [
"mineral",
"rock"
] | null | 1 |
math | kindergarten | count-money-pennies-and-nickels | false | true | How much money is there? | "iVBORw0KGgoAAAANSUhEUgAAATsAAACDCAYAAADyMrxrAACX8klEQVR4nOy9Z3Rk93Hm/buxb+eARs45TM55yGGmRImSqGDJlmRbydleOWlX79redTh77HXS2itbK8myvMoSKYo5DifnnDDADIBBjg2g883vhwaa5EqWhxymEfGcgzMYHExP17/vrVtVT9VTguu6LktYwhKW8DMO8c1+A0tYwhKW8EZgydktYQlLeFtgydktYQlLeFtgydktYQlLeFtAfrPfwBLeHNi2TTKZJJPJkEwmSSaTZLNZbNtmbGyM2dlZQqEQlmWxfPlyYrE... | [
"12¢",
"13¢",
"15¢"
] | null | 1 |
math | grade-3 | am-or-pm | false | true | Patty is shopping at the toy store with her parents. Her watch shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABcd0lEQVR4nO3de1yU55k38N8w8HCa4TQoMB4YPEBUCCTYpNikQNJq0mjEJE03Jq24TbNv27cbbLNpk9191W03abe7FdNuT9ltsAebtlqx2CTaJA6xlcZIBNEoeGDwMIgyODAjh4Fh3j/ITEHmcM95gN/38+ETZuZ+7udKMvPhmvu5nuuW2Ww2G4iIiIiIKCCiwh0AEREREdF0wgSbiIiIiCiAmGATEREREQUQE2wiIiIiogBigk1EREREFEDR4Q6Aws86OoSR0cFxPwM... | [
"11:25 P.M.",
"11:25 A.M."
] | null | 1 |
math | grade-2 | symmetry | true | false |
Which picture has symmetry? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAUX0lEQVR4nO3daXAb53kH8P8CBHiIJCiKEkWLVC3Zko9YcXwfsh23cTN2XB+TsRqPJ5lek7huPjWtPW49+ZB4nDbNh6YzbWzL8iHZke3I9kxtVT4ku5V1maJukpIoiZJMiiIp8ARIAAtgsf0AQoIoglgAu/u+C/x/3yTieETyr/fFs7vPKrqu6wNR4EQICGpAXAcRWaRMAWrcwLIqoNELKAOqru8OiC6LqPTcVguUHQ8l/9DkBa6ak0wnEVkjqAFdk0B/FDgWAly... | 1 |
math | grade-1 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABWEUlEQVR4nO3deVhU5dsH8C8urDKKawgKYi5guQuoiZaiJaAl7lsuuZWG5lZvabm0KJqi9nPBXXNJcMcSWoxSWcxcclBTYHSQDBUYBGZwe/8wRpBZzuwMfD/X1RXDec5z7oi5uOc597kfmydPnjwBEREREREZRRVLB0BEREREVJEwwSYiIiIiMiIm2ERERERERsQEm4iIiIjIiJhgExEREREZUTVLB0CWJ5fLUVhYiMKCAhQWylFYWIDCwkJUrVYNjg4OcHBwgIOjIxz... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5AAAAEJCAYAAADiusiGAABhNElEQVR4nO3deViUZdsG8BNFVkFwTUFBrBQscAXUxErBUtASd8VS06w0NJfqKy2XFkVfRe1VwV3TSrAUtYAWo1RQM8XXQU2B0VEyVGAQmEGQ7w9iBJlhnhlm5/wdR4fMPNd9P5c0U3PNvVlVVFRUgIiIiIiIdMLKysrYKRDpTSNjJ0BERERERETmgQUkERERERERCcICkoiIiIiIiARhAUlERERERESCsIAkIiIiIiIiQayNnQAZn0wmQ0lJCUqKi1FSIkNJSTF... | 0 |
math | grade-2 | read-a-calendar-ii | false | true | What date is 1 week before September 18? | "iVBORw0KGgoAAAANSUhEUgAAAssAAAF2CAYAAACYtNXtAABe7ElEQVR4nO3deVyVdf7+8dc5LKIoILu7uG+ISuaCRKnlli3mOKPTfJvM9pwa+1kOky1T5pTVlDVlM9WYtljmlKgVLg0ouKSiuC+Iioi4ISj7cs7vD+Iowa0HBQ7g9Xw8Sj33fR/e5819zrnO53zu+zZZrVYrB2IgKR7OpyMiIiIi1cAjEDqFQZebHV2JXAOTdf//rJw7Bt1HgMkJrFZH1yQiIiJSv5lMYC2BPdHQvDV0vcXRFclVMpMUXxqUMSsoi4iIiFQHqxUwQ48... | [
"September 11",
"September 4"
] | null | 0 |
math | grade-3 | select-figures-with-a-given-area | true | false | Which shape has an area of 8 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAAD+CAYAAADWI0D/AAADk0lEQVR4nO3bzW5SURhG4ffwZ1KpOqph6EB7CR22F9Db8A6dW6e9A6yJw+IUKAkI2Q5OiCY2ccL2rMB6RiUkex+y+oUJX1NKKbNN8m2VLHbJtkQdGjTJeT95f5a8HSXNbF3K/bzrx9Jzrl4lg4dV+2IySi5ftvXUncUumT4lj5vk6yrpzbftG8ZhOO+3LZJkuUt6uz/eEMO+xc+S9Lp9FP2LgeAMBGcgOAPBGQjOQHAGgjMQnIHgDARnIDgDwRkIzkBwBoIb1Dj... | 1 |
math | grade-4 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADuCAYAAAADb3CcAAAkBklEQVR4nO3deXxU9b3/8feZOTMJYbKwE/awgwtKpVq3aqmtV3/V4rXWqtUiINrWapV7fdje2/XX9ue9btRaZVG5/LRW26vV3nK5rbSKuFUFQQUi+xLCFpJMJtvMmTn3j4ScGRiykNnn9fwrJ48MfJEcfM/J+/v5GrZt2wIAAACQEK50LwAAAADIJQRsAAAAIIEI2AAAAEACEbABAACABCJgAwAAAAlEwAYAAAASiIANAAAAJBABG1mjul669YlG/cfrreleCgAAwAk... | [
"1 pair",
"no pairs",
"2 pairs"
] | null | 1 |
math | grade-3 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD6CAYAAACbKDARAAANh0lEQVR4nO3dT28V1x3H4UMMxAniVhFRuw2BdNV1MOSVdNf32HVXVYjJS6ggZNEuqiZVY0LkAI67sM/YN7nXnrlzZub8eZ4dFhIjVl//9NHMjdPT09MAAAAk8d7SDwAAADUxsAEAICEDGwAAEjKwAQAgIQMbAAASMrABACAhAxsAABIysAEAICEDewJv/vU2/OMv/wz/+9uPSz8KAAAzM7An8MPfX4fTt6fhv389WvpRAACYmYE9gaOnP4UQQnj7n5Pw88u3Cz8NAAB... | [
"no",
"yes"
] | null | 0 |
math | grade-3 | purchases-do-you-have-enough-money-up-to-10-dollars | false | true | A kickball costs 6 dollars and 25 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAFbCAYAAACgQvo+AAEAAElEQVR4nOy9e7gkVXnv/xkQWM11FSB0KeAsMEpt8dItaLo14PQxQRsSzR6jZkYTYWs0Z3h+Js4k4mFMjjqoMXA8MUw0l000ccZ4me0FaEWxQSO9Y8RuTkx2RSMu9GiqvdZChV4gUL8/Vt26954LSsIcUt/nmdnd1VWrVq1bvet9v+/7rkuSJKFChQoVKlSoUKFChQoPCxzyUFegQoUKFSpUqFChQoUKDx4qAb9ChQoVKlSoUKFChYcRKgG/QoUKFSpUqFChQoWHEX5... | [
"no",
"yes"
] | null | 0 |
math | grade-3 | reading-schedules | false | true | Look at the following schedule: At which stop does the train arrive at 12:15 P.M.? | "iVBORw0KGgoAAAANSUhEUgAAANwAAAD3CAYAAAB2MTp0AABbA0lEQVR4nO2dd1jU2NfHv0PvSJeONBUBQQUFFAR7xYoV64pl197L6upr74q6upa1/BQVBQt2RFCwIAgKqFgRRUVBEAHp5/1jdrKEGWBAGcvm8zzz6Nyc3HuSyUlObsj38IausyFwcHBIBBkAGNln2rf2g4PjP4HUt3aAg+O/BBdwHBwShAs4Dg4JwgUcB4cE4QKOg0OCcAHHwSFBfpiAiw5PgP+iQ9i/6dS3duW7Yf+mU+jnNA3njkZ+a1cQtDcU/osO4fLJW3U2xpG... | [
"Elm Boulevard",
"Willow Boulevard",
"Jackson Avenue",
"Lake Boulevard"
] | null | 2 |
math | precalculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x= – 9? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABcVklEQVR4nO39f3yU9b3n/z8nM5PfP0kgiWCCiGLBBAVRQVA8WLXaegrWxXb7w948PWu3v2+7Z7e3bre3PT0eP909/fGtR90e93SrntPdbr3VH0cxUBQUGiqRCIEEBERICJAfkx+T+X3NzHV9/6DJIQKSwPV2MvK4/8Mtk7mevHJdM9c855prZjyO4zgCAAAA4IqcTA8AAAAAfJRQsAEAAAAXUbABAAAAF1GwAYyzadMmzZ49W3fffbck6VOf+pSef/75M143mUzqxht... | [
"yes",
"no"
] | null | 1 |
science | grade-7 | use-scientific-names-to-classify-organisms | true | true | This organism is a Sasanqua camellia. Its scientific name is Camellia sasanqua. Select the organism in the same genus as the Sasanqua camellia. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOydd7xdVZm/n7XWbqfdXtJJI6E36U3BQhHBglJEFGZAYBgZUWQGRxhsOIKKIihSxDbAT4ERLCOCIE0IkJCEGFp6v8nt97S991rr98c+5+TeBDBAkNHZTz7nc+/Zfa+97s673vV931dYa20cxxhjSElJSUlJSUlJSUn520RKieM4iCiKbGrcp6SkpKSkpKSkpPztI6VEpsZ9SkpKSkpKSkpKyt8HxhjkW30RKSkpKSkpKSkpKSnbj9TAT0lJSUlJSUlJSfk... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOy9d5xcVf3//zy3T5/tNZvd9EZC6IJ0kSJiQxGsYEH5YEMRP9YPVhQUFLFhQcWPoiAKNnpHSEJCSEJ62WT77vR66/n9MbubhGZQ1M/X3zx5zIOdOzPnnnvPe27mdd9NSCml53kEQUCdOnXq1KlTp06dOnX+30RRFDRNQwjx755KnTp/E6UuQuvUqVOnTp06derU+X+fIAjwPO/fPY06dQ4IrS5C69SpU6dOnTp16tT5zyAIAlbmJPMjEFP/3bOpUwc... | 2 |
math | grade-2 | which-shape-illustrates-the-fraction | true | false |
Look at the colored part of each shape. Which shape shows two-thirds? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAARHUlEQVR4nO2dfVRTZ57HPzchIUASQN4LiIgQkFqt1fqGqPVlz4473RlntmNnq6PW6fRlZ+fs7h975sw5e3bPnj17znamO+fM2dnuKO3Ubhnbam1tx66t7ThO1aqoRaDIm4gQgfAWEgghL9z9IwmiBgwQyA25n3+QG3LvL37z3N/L8zy/K4iiKHY4oNEGVje4RGTmEFEC6JSQHwtpahA6hkXxoiXUZsnMBqv0ENVg8/ySoQZDnOfbIDN3sLqhbhDaHVBvA4XF5Xl... | 0 |
math | grade-7 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{NP} and \line{QS} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAfaklEQVR4nO3df1TW9f3/8ccFwmUFAQn+wAKKjhpkYeBEcwdYmtgvwZ1ZuZbk1umYLq5tWdnG0c0PZ7M6C+aa/RriOXMOU7kWbtIPU+bKq43L0PSKrBxSixKUCy/SXRLw/aOvLKcoP97wvi6u++2c6xx7v+D1fnhO1/HJk+f7dVk6Ozs7BQAAAMAQQWYHAAAAAIYSCmwAAADAQBTYAAAAgIEosDHkuN1usyMAAIAARoGNQXPo0CFZLBZNmTLlnOt79+7VsGHDNHbs2D7... | [
"\\angle{SRO} and \\angle{SRT}",
"\\angle{SRO} and \\angle{NOM}",
"\\angle{SRO} and \\angle{QRT}",
"\\angle{SRO} and \\angle{NOR}"
] | null | 3 |
math | pre-k | name-the-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAFf0lEQVR4nO3YsQ3CUBAFQYyok8CFOaDRowWCRd+2ZuILXri6bWbmAQAAJJ6rBwAAwJ0IbAAACAlsAAAICWwAAAgJbAAACAlsAAAICWwAAAgJbAAACAlsAAAIvX6+/Ox/nAGcwvtYvQAALs8HGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgI... | [
"square",
"triangle"
] | null | 0 |
math | grade-6 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABoCAYAAADLhodZAAAQxklEQVR4nO3de4xUZZ7G8eecOlVdTTc9jYAg9xFRUC6Nu+rshs1onAmGxRFkZEZnjApxNV5Hdy5mTUzW9Q93hFUzyxDDSMIYdTSK4GUdkpnVNWYuS1ZoLmODMthAcwexG5rqU6fOu38UnO4DLXKp6rcu388f5q3TQD/YTfJ01anfzzHGGAEAAAAoCNd2AAAAAKCSULABAACAAqJgAwAAAAVEwQYAAAAKiIIN9LRzp7Rxo+0UAACgjFGwgZ4WLJCuuEKaMYOiDQAAzgo... | [
"no",
"yes"
] | null | 1 |
math | grade-3 | coordinate-planes-as-maps | false | true | What is at (8, 4)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFjCAYAAAAHNnwuAABaU0lEQVR4nO3deZhU1Z3/8fe9t/be6W4QRBD3XQQFl2AEiXGLMWqi+cXEJG5INC5jEp8ZZ/KbMb8nJhONk0TNqBMnURyzOMioWVBxicYwsUVFUPbFFmjotbrWu/7+KChtu1m7mu6mPq/nqYfqvvee+61quupTp889xwiCIED2OR1dKXJ5p89tjuOyYtUGml5fyecuOpXKRAwA23Z4b+UGnn/1XWZ9eTrxWBSAAFi+cgOrV2zg7LMnYxjGds9bWRGjqiJe8scjIiIiMly... | [
"radio tower",
"magic shop",
"pet store",
"science lab"
] | null | 1 |
math | grade-4 | angles-of-90-180-270-and-360-degrees | false | true | What is the measurement of this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAUCAYAAAC3ZkrjAAADYUlEQVR4nO3dP0wTfRzH8U+fOPknuhhjHLQMwtLQJhIdq7g40LooQUgo0QEXioMjD/VxdLDogIOJR4IYdeFq4kSxIwYSj3QBhrYOjWlcamqf9Z6Bh+bh0WKfPMeVu75fQ4e7312+19/y6a933wvYtm0LAAAAgCN+a3cBAAAAgJ8QsAEAAAAHHWp3Ae1SKZf0MWeqsGGpsGmpuGkp2B1WV3dYXT1hXYzGderMuXaXCQAAAI8JdOI92OZ8Wq+ePVC9Vm065sixE7p1N6X... | [
"270°",
"360°",
"90°",
"180°"
] | null | 3 |
math | grade-1 | compare-vertices-edges-and-faces | true | false |
Which figure has more edges? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAASrElEQVR4nO2de1SU5b7HP3MFGRjk7qAooOZ9pUVlnrCb2wyzbSpmIVmcc8otpbbL3LpT91bJjro6Xlbr6LK26PKUl9NqbXfY0WJ3MuyCYmzbjaEojoggIspluAwzzPljmGmAAQaYG7zvZy3WrJn3fZ/nYd7vPO/zPs/v+3slZrPZXGaAwjqoMYHRjEg/Ri6BIBmMDIAoJUjKGs3m3GpvN0vEGzygBvnFOssbjRJGqSzqEOm/1JigQA+lBrhQB9Jqo2WDePKFQZD... | 1 |
science | grade-7 | identify-chemical-formulas-for-ball-and-stick-models | false | true | Select the chemical formula for this molecule. | "iVBORw0KGgoAAAANSUhEUgAAAUAAAACoCAYAAACR8DfxAABC5ElEQVR4nO29eZBkx3kf+Mv36ujq+56+ZnpOzA0QJEQBJEiaICERJCUKWpkEaVlkrBWWKa60ZGxsiJLlDYVWpCzKDmkdYTrsVcgOeyVT0mohcpcWRZMGLEoAQfHGYC7MgZnB9H3V0VXVVfUy9498+fLLfK+6e2b6nM7fRE9VvcqX76jv/fK78ksmhBBwcHBw2IPwtvsEHBwcHLYLjgAdHBz2LBwBOjg47Fk4AnRwcNizcATo4OCwZ+EI0MHBYc/CEaCDg8OehSNABwe... | [
"N2H4",
"NH3",
"N2H2",
"NH2"
] | null | 1 |
math | pre-k | count-pictures-up-to-10 | false | true | How many flowers are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAACbCAYAAAAX3e8+AAAzw0lEQVR4nO3dd5Cd133m+e9535tDh9s5IDcCQQIkAVIEJVIklZhkSraCJdmmJSdN2euxrZXt3a2yPTPWjkczu7LHs1VbzpKjbK09ClSWSImiAnMAQCJ2A+h8O9zbfXN437N/3EaTVKBAsoHue/F8qrrYfcN5A39VfOrw955jrLUWERERERFpCc56n8BG4mWXqC8srvdpSItSfYmIiMiloID/Aqf/j//AkZ++l/S//Cu2Xl/v05EWo/oSERGRS8GoRQes7zP6v/8+C/d... | [
"6",
"2",
"9",
"4"
] | null | 1 |
science | grade-2 | identify-solids-and-liquids | true | false | Select the liquid. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AABMbElEQVR4nO29d5wdZ33v/54+c3rbXqRVL7ZlW27gCgZMb6HcCwQCNyTh0kt+BJMAiXMJIeEaQ24ol4RLgMSEjoMBGxtsg427rWJbbbVaaXs5/Uyf5/fHaFeWaba0ktb2eb9e+9rd2bMz3+fM5zzzlG+R7q4KsT4JaYU2bU4q9RB2NWHCg7wKF+Xi43JbkG1OFWkF1ifjnxvhkeNyW5BtTiUL+vPFkWPyqTGlTZvfTluUbZYdbVG2WXa0Rdlm2dEWZZtlR1uUbZY... | 2 |
math | grade-8 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADqCAYAAACY/jKKAAAhzElEQVR4nO3deZhcV33m8ffce6u6Wr1osfZdtrUZGbtFHI/HNgQSIGAgQHBYQuI4kBAcIBhsAiQDM4QlYBYvbBNCQhiSISyBBBwCJh5sHDzg2DK2bFmSZWtr7dbWW3XVvffkj2qdamEtLfWtOrV8P3+dn57uuq+ex7LeLp06x1hrrQAAAABkIvAdAAAAAGglFGwAAAAgQxRsAAAAIEMUbAAAACBDFGwAAAAgQxRsAAAAIEMUbAAAACBDke8AQF0Vdygdflh2aLPSkSd... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | fewer-and-more-compare-by-matching | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdoAAABeCAYAAACEstXVAAACwklEQVR4nO3YTWqTURiG4fdL0w76oyD+4EwQdQXSmTtwH+7IfegKnBY3UKsDR1YqCE0baG04Dj6kdtJBcx6C9bomSQicnCeTm2RorbXD86rP86rZouqiFQBwQ9Ohamet6tlm1aONquHwrLW941VfCwBun907VdOD+fji8UbVi62xwgDAzcwWVfunVd/Oqz7NqybHF+MbIgsAy9tZG5taVXWyqJos/noDAFjen6b+alWT1V4FAG43oQWAIKEFgCChBYAgoQWAIKE... | 0 |
math | grade-2 | match-addition-sentences-and-models-sums-to-10 | true | false | Which shows 4+1=5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARIAAABKCAYAAAB3ndsNAAAMAElEQVR4nO3dSYwc133H8e97tfTeM+RQ0pC0KEHUSKboRUoQUbKsmyHHSRzAMKwYhiHk4JsRGILhHHK0Dwbsg2HYByO35JA4DowglqNccrIjSBESwICsCFxCw1yGw2Womem9uuq9HGqanCZHPV3dVb3p/wEELt1V1T8V59dVrzZlrbUbAVxoQi2C0CKEEAO5CioOrBXhIR/URsfat3em/bGEEPPqTBXc8834D0d9eLIUt4wQQgxSi+BsA64FcK4JeieMX5ASEUI... | 0 |
math | grade-7 | identify-complementary-supplementary-vertical-and-adjacent-angles | false | true | Which angles are complementary to each other? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADBCAYAAAD1lcd/AAAi/klEQVR4nO3df1TcdX7v8dewU8luZw1Du4K9mwXMOZJtdcXoOa0kHgKn00BXTpiYH+JYMkmaeu6WJPDHKp5GIU3ObnJuz4JCt9uNISNuQxPRiZIa0rkNGZcQt6cHJ2Z7Dtx6NsPqaWGPB1AnSuII94/sjDMJhAAD3/nxfJzjHxmYmfd4/OOZt5/5fk2Tk5OTAgAAABATaUYPAMzG2NiYnn/+eZ09e9boUQAAAKZkNnoA4Fb4/X7t3r1b3d3dSktL09jYmNEjAQAATMk... | [
"\\angle{2} and \\angle{4}",
"\\angle{5} and \\angle{1}",
"\\angle{3} and \\angle{4}",
"\\angle{5} and \\angle{3}"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAfJUlEQVR4nO3de5SkdX3n8c/z1P0y3T09Q89MzwWcHuQ6gxg0CCLuqiDrZo3hBAg5ZOUSc0Q87lkQSBZEgnviejDhxIlZyQUTNTHxcHENAiq6KIi3QAQGxsCsMJdmpmemZ/reVfXU8+wfbc30TFd3V3XVc/vV+3WOx+PY9fy+v998e+pTT/3qV5bneZ4AAAAAGMEOuwAAAAAA7UPABwAAAAxCwAcAAAAMQsAHAAAADELABwAAAAxCwAcAAAAMQsAHAAAADELABwAAAAx... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAj4UlEQVR4nO3de5ScdZ3n8c/z1P3Sl3SS7iSdBCRBQEgQB1FBxF0vyLIzjnIGGTy4chnnCHjcsyCgCyKDc8b14CyrWRxxHLyhzHiQOIpcFBwUBG9kBAI4JEtu3SSdpDt976rntn+0lXTTlb5VPZd66v06x+MBup/f9/fjS6o+T/2eXxme53kCAAAAEAuGYYRdQiSZYRcAAAAAAH4j+AAAAACIPYIPAAAAgNgj+AAAAACIPYIPAAAAgNgj+AAAAACIPYIPAAAAgNg... | 2 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAZAAAAC6CAYAAACA/xsoAAAvhElEQVR4nO3dd3Qc5b038O/M9pW2adUlq9iSbFUbyw2MwQaMAZsOpoaQAAFCbgpvCiQh91JyD6kQQi4hphowmN7BgG0M7r1JtiVZlmXJ6mW1vc28fwiBwGq7O7PPzOzzOYeDj7Xa/WpXnt88neF5ngdFUZTEdfta0O1rRbe3Ff2BDnhCTvhDbvjCHvjCLrjX3AkEDODVXnAqN1hNEEWp5dDpWGh1DHQ6FsYkFjabGtYUNWwpKmg0DOkfS9YYWkAoipKKVncd2j3H0O1... | [
"repel",
"attract"
] | null | 0 |
math | grade-3 | match-mixed-numbers-to-models | false | true | Which mixed number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAi70lEQVR4nO3dd3xU553v8c+ZplHvDdEkgYQA05sBg40bLsS4x3GL4xQnm3LXuZvNxskm2dxcZ3P3JvZ14iSOHcd24njdEhdwMGBsqjEQMEaAJCRAEuq9Tj/3j9HI6prRnGni9369XDQ655nf8P1jfjznnOdRVFVViTBt1k56HL30Oix0293/TYyKJzMmleSoxFCXJ5CMIoFkJIQQQgSGIdQFjOdEcymHG4o5XH+Cw/UnqOqqHfecnLhMMqNTyYhJJTMmlRkJOSxJn8v... | [
"1 2/4",
"2 2/3",
"2 2/4",
"2 1/3"
] | null | 1 |
science | grade-3 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Reptiles have scaly, waterproof skin. Most reptiles live on land. A Galapagos giant tortoise is an example of a reptile. Select the reptile below. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOzdd7gkVZ34/3elrs65++Z8504OzAww5CQZEWSQJCK44sqaYFWUXXX94hoWFFdFF8GAiq6iKILLOgTJYYAZJod75+bcOXdVV/j9wY+7DAwwg4O6bL+eZ55nuruqzumqT5/7qVOnTgm2bduGYWBZFnV1dXV1dXV1dXV1/zuJoogsywi1Ws2uJ/d1dXV1dXV1dXV1//uJoohYT+7r6urq6urq6urq3h4sy0L8a1eirq6urq6urq6uru7gqSf4dXV1dXV1dXV... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6cAAADMCAYAAACPx9V0AAEAAElEQVR4nOy9efQlZ13n/3qWWu5+v/va+5JOd1b2TSDAsIksEgREYeCMzJHhjOJBwX1fEXBUGBEHQQkz6giiIBowY4AQSAghe9Ld6f3b3325ey3P8vujOj0kBOhgUIfffZ3Tp/vWvVX13Kc+9+l612cT3ntvjME5x5AhQ4YMGTJkyJAhQ/7fREqJ1povt+GiCtTUv/WIhgx5eDoW7uvBYgYjGp7WLLbLoTAdMmTIkCFDhgwZMuT/fZxzGGOGwnTIv3tqqniAAtC... | 0 |
math | pre-k | represent-numbers-up-to-10 | true | false | Which group has 8 circles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAR4AAAEcCAYAAAARAdvdAAAP8UlEQVR4nO3dS2xU9fvH8c+Z6dw6rVyEUjUYoUgxEmIM8NPICjAhRhM3rpSFiQvjpmBCCCSYuPCCkZSViTsTMQaNicHEuJDEHYYQJHItVFG8UFJSLuXX6dx6fotaBfrHP8qc53zheb82hZTM+T4zc94zPWc4jeI4jodq0uCYNNqUGrEAoKXaIqkzKz3YLs3LS9FQNY73X057WQC8+M9dUtupscm/3JOXesuTVQKAVhptSgP/lc7WpJNjUuZyY/IbRAdAUjqzk42... | 1 |
math | grade-3 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAF40lEQVR4nO3dz28UdRzG8Wd3m/5YLN3WuinQALViCFF+JKIeaBiIGjgQNT0ZQmwTPXjQv2F79048tYl68ADpgUSihtoDUTmQjXLgQhMIpYZt6bZgaUu3Xw8ICF12pmXamd3P+5Vwab77zLe786Szvz4kDh8+7DzPUxhGR0flnBN5a88bGRkJJStqnufF+n62llfneZ5yuVwogQMDA3LOkfcCebWC8ypeeclQkgDEGkUHDKDogAEUHTCAogMGUHTAAIoOGEDRAQMoOmA... | [
"translated",
"reflected",
"rotated"
] | null | 2 |
math | grade-1 | comparing-review | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdoAAABeCAYAAACEstXVAAAGc0lEQVR4nO3dP5Nb5RnG4Ucr7Y5NYO0wzHrigqUJNFvQ0eFPYNO5IqlIF/uLpLPT2VR0mTRefwIoqSjcACm8KYi9MMF/wIZF2pNC0czKq5VWOu9zzrHnuhpjzJz3/OTilmRh9aqqqh4cRPzrWcTTUcSwCgBgRYNexBv9iD++FnFhI6L34Neq+vJJ27cFAK+eDzYjBt8+G//kDxsR7/1uvMIAwGqejiK+/jniPwcR3zyLWHsyHP+CkQWA+t7ojzc1IuKnUcTa6Mg... | 1 |
math | pre-k | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAUV0lEQVR4nO2de3Bc9XXHv7+7T2ml1cO2ZBvLNlaxwHIswDbGlBKSAsFDQjLtwLQDE/qEmueUKU3DtM1MIZ3OZJgE8xhI6VAgpZNJmTaQ1CmYFIKxa2ODkWXZsvFDtmw9V7ta7Ur7vL/+cfc+dqWV9969u/fe9fl4xrva+7u/37mro989v3POPT/GOecjKeCLGWA6C2Q4CMJ2uBnQ6AKuqAfavQAbSXK+P2q1WARROluCgPvEjPTDMi/QFZC0miDsxnQWGIgDwyn... | 0 |
math | grade-3 | scalene-isosceles-and-equilateral-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC6CAYAAACUcDp9AAAZ1klEQVR4nO3df3DU5b328Ws3ZBOzxGQDWIRIlIBAiCYUbYehR6QDU51hhrEthz7FOkqnT0XrtAWL9bfVCoLFojhAPYWOR/QckRZoqYDAA8oAAlogioycI5BfmwVCEgxJSLLZff6AXbLkd7K793d3369/SDbsN59M05mL2/u+bpvf7/cLAAAAQFjYTQ8AAAAAxBMCNgAAABBGBGwAAAAgjAjYFvDOO+8oPT1d69atC3m9pKREd955p/r376+CggJ9+umnhiYEAABAdxG... | [
"equilateral",
"isosceles but not equilateral",
"scalene"
] | null | 2 |
math | grade-6 | mean-median-mode-and-range-find-the-missing-number | false | true | Aubrey has the following data: If the mean is 8, which number could t be? | "iVBORw0KGgoAAAANSUhEUgAAAH0AAAAkCAYAAACkATUaAAAEZ0lEQVR4nO2cbUxVdRzHP+fBc7sICwR5CggQIRRKA6NA59PmfIEVUsnm5lrMNQpta/qiWWvIbG3Nlq7Ulq62aECmNtsSehAWiRMnxChEGQsfhvIgiMC93Mu95/TCvAuGW9s5cPWe83n5e/H9/rbv+Z3zP///2RE0TdMA3KoHx8Q4Xk1FwyJQEABJEAma8wiKKN+taZqmjXlcOD0u/3ZnMeMEyTaCZBuy2+uxAjcJDo8LWZAQnV63v3uxmEWcXjeiR/X6uw+LWcSjehE... | [
"11",
"19"
] | null | 0 |
math | precalculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABuTklEQVR4nO3de3iU5Z0//vdkDjknExJIQjAB5CBBAkRBQSJYaEVoLWARu9tW7OG73361ir/dvdra3a52qe23XbdqqXX7XQt23auutIItEBAkQAxiJJBAImAIEHIgh0lmJnN+5pl5fn/EGQnHCdx3ZiZ5v67LS2bmmfd8GGae+Tz33HM/Ok3TNBARERERkRAJ0S6AiIiIiGg4YYNNRERERCQQG2wiIiIiIoHYYBONIHv37sX48eOxfPnyaJdCREQ0bOn4I0eikWPJkiX... | [
"yes",
"no"
] | null | 1 |
science | grade-4 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAAD3/ElEQVR4nOz9d7hk13mfib5r7Vg5nRz69OkckQMJEKBIgkGkAiUxWZI9snyd7jwO1+Hxcz3X8vXMeDwjXwfJY1uyrWjZijTFnEkEIjaAbqBz7j45Vw47rXX/2HVOd4OZBNBEY794CrWrzq5dO6ze9Vvf+q3vE1prDdDr9VhcXKTRaBCGIQkJNxvTNMnn84yOjuK67mv6XUn7T/hRI2n/CW9mXs/2n5BwKyK01rrb7XLx4kWmpqZwXRfLsm72fiUkEAQBvV6PK1eusHv... | [
"smooth",
"blue",
"bumpy"
] | null | 2 |
math | grade-7 | classify-rational-numbers-using-a-diagram | false | true | Use the diagram to help you answer the question below. Which of the following is a rational number but not an integer? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEuCAYAAAC08GWcAACFoElEQVR4nO3dd3hUZfbA8e/0mfQeOgRC71IVERARBRUUEAXbolix666ufUX92XUtq2sXRVlBAUFEsNC79F5CCSW9zGT6zP39cZMBpEMyLefzPHlmMpnyziS599xzz3tejaIoCkLUInl2PwcqfBQ7/VR4FOxePw6vgt2jYPcq6vXK7wPXq273+I9zm4LVo/4bxeo1mPUazDoNZj1YAtcPX/71NkvlbYkmLUkmDckmLclmLUkmLckm9TLBqAnxpyaEEEKI06WRAFtEi2K... | [
"144",
"–87",
"–142",
"–2.4"
] | null | 3 |
math | calculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABwxUlEQVR4nO3deXiU5aE+/nv2yZ6QhCQCCZsgwYRNwCAIFqpU3MBS7Gbtcr6t1dae0/Z0OW2/57TUb89pbX+21tqeWrW1rRXXKgZEQcAgAgECCYshQBZClkkmk9nf9fdHTCQsMoHnyUyS+3Ndva5m8s6dx2Hmnft95pn3tZimaYKIiIiIiISwxnsARERERETDCQs2EREREZFALNhERERERAKxYBONIJs3b8b48eOxYsWKeA+FiIho2LLwS45EI8eyZcvw2c9+Fp/73Of... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAU70lEQVR4nO3dTYxd53kf8Oec+zHD4ZAzGlCkOLQl26NKsStKgBU5XlgS8oHQGzvOImiMFgbqnZNlurRRJNa2y6Iu0CKLLlS0XTgt0Epp0UCOU8dSFMCWFSkM6ciUSPFLQ9LkkJz7cU4XI36I4gzn3rn3fPH3A7QR55z3fR68M+d/33vuuUme53kAAACNkJY9AQAAYHIEfAAAaBABHwAAGkTABwCABhHwAQCgQQR8AABoEAEfAAAaRMAHAIAGEfABAKBBBHwAAGgQAR8... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAXqUlEQVR4nO3dTYwc55kf8KeqP+aDw5nRgCI5Q1uyPYq0dvQBWJbtgyVhvYulLvY6hyBrJDAQ3+Q9eo82gsS65hjEARJsgBwUJDl4EyCRNkEW0npjW1otYMuytFrSK0vkiF8akqaG5PRHVQ6jISl+DNk93VXVxd8P8MHSVL/v8+BVd/3fqq5O8jzPAwAAqIUkScqeQiWlZU8AAABg3AQfAACg9gQfAACg9gQfAACg9gQfAACg9gQfAACg9gQfAACg9gQfAACg9gQ... | 1 |
math | grade-3 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACVCAYAAABiio2eAAAjA0lEQVR4nO3daXRc93nf8e+9c2fmzgIQJESCiwhDFBeRFEktlBwrSVXRsqs0apu06anEbLWdreaRfVy7L5SjKhLVlE6iMG560lY5USRbbo91LFVsIimKqlqJm5i1VooUxX0BuIgACWKbudvcpS8GBBeRIIacAUDg93mF2S4eUuDRD//7/J+/kSRJgoiIiIiI1IU50QWIiIiIiEwlCtgiIiIiInWkgC0iIiIiUkcK2CIiIiIidaSALSIiIiJSRwrYIiIiIiJ1pIAtIiI... | [
"yes",
"no"
] | null | 1 |
math | grade-4 | identify-faces-of-three-dimensional-figures | true | false | Which shape has a circle as a face? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAYc0lEQVR4nO3de3TU9Z3w8ffkMuQyuZmEEEggYAiiKIEUBAsKpmWhiKAV9mx33Yrtedbu00ftc+w50p629vFYuqd7amlVutuua8/u8+yu7SlRrFQW5CpYEIhCgVwMQ+63IZOZyWQyt9/zx1xMuGaSSb6/mfm8zvFI7l+RN9+Z3/x+v49B0zSt0w2NTrD7wKshhJggKQbISoa5GVBkBEPnkKadsKlelhCJ595sSGlwBt4oNsK8zECdQoiJYfdB3QB0uKHeCUk2b+A... | 0 |
math | algebra-1 | compare-linear-functions-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABQlUlEQVR4nO3de3xU9Zk/8M/MZCYzSQiBQEIgJCTY4IVgUCBBBQRLAS+7iiJqtV620t3VKnhpq21p7bZ2a6Vqq9b1Ulu84SItF1fRbZCCYsgPWzAoCcpkICFkAiGTzOTMfb6/P9gZM5BkJjln5szl8369fMVMvvmeZw7PfPOc85wzoxFCCBARERGlCK3aARAREREpicUNERERpRQWN0RERJRSWNxQXD399NPQaDQD/nf11VerHWKYSZMmQaPRYOPGjXHf9vz580P7ZfP... | [
"The y-intercept of Function A is greater than the y-intercept of Function B.",
"The y-intercept of Function A is less than the y-intercept of Function B."
] | null | 0 |
science | grade-8 | compare-amplitudes-wavelengths-and-frequencies-of-waves | true | false | Select the graph of the wave with the greater amplitude. The graphs below describe two waves. The waves are traveling at the same speed. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAASwAAAEsCAYAAAB5fY51AACDcElEQVR4nO2deZgU1dX/v+dWd3X3LAwwDPsOiopsXT0ouASMK4pm05hoTDSbJibRmESTvG8kZnvNanazmmi2F03eDCBOg4q74kwPuOCKIArINjBrV291z++Pqh6GYWa6qru6e8ivPs/DQ0/Xrbrndt177nbOPYCHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh0e5aGxsHLl69erPO7ln9erVK5ykX7NmzU0NDQ3VdtM3NDTMXLNmzZX... | 0 |
math | pre-k | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 5 − 1 = 4? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABKCAYAAACiqlhpAAAQOklEQVR4nO2deXAcVX7HP93TM+PRfVmSL9nG8ilsIxt8sMbmhvXCwgJenBAbV7mKbGKy1G4l2WSrUimSkGVrCbsEakmgUgXOsgFiQgwLa4yNWShiYbBsWT50+JKt+x7NSJqr++WP0e25pBl5TOt9qlSu1/2ur+v7637v9etpRQghmn1wtg9cOgQEEolkktAUSLfAwhQosIHS7BXiSE+yuyWRTD3WZoBW2xdMzLDB4tRgdEokksnBpUN1LzT5oKYP1J5A8IQMPol... | 1 |
math | grade-1 | equal-sides | true | false | Which shape has 5 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAF2ElEQVR4nO3dzW4URxQF4NMz47HcmYktUIiyDHKSJwjOFl6JB+MR2EZkyQZCZCmrmA0xHnvAY7c6i2ZEGcW4urvq1r1V59vxY9yePtOnjoTlqm3b9mQD/LUGVg1w3YJotFkFLKfATzXw/RyoTi7b9sVZ6suinB19C8zerLtf/DAHfvmmSyHRWKsGeH0B/LMB/lwDk7Pr7g8YMgppOe0yBQDnDTBpnD8gCmmbqasWmKS9FCoFg0YiGDQSwaCRCAaNRDBoJIJBIxE... | 2 |
math | grade-2 | match-analog-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABWDElEQVR4nO3de1yUddo/8M9wGkBhBjmJpxnwgGDKiGcrwFNpZmLWbm1tYJvtPvvUhru19XtqE3e3PdTuE27t89Raj3TejqJplmaOmBqmOGiCeIAhURwBmQGFGY6/P5AJmNM9wwxz4PN+vXg1zP2977kC5uV1f+f6Xl9RV1dXF4iIiIiIyCf4uTsAIiIiIiJyHib4REREREQ+hAk+EREREZEPYYJPRERERORDmOATEREREfmQAHcHQO7X1tqBNkM7Wg3taDV0oNXQjjZ... | [
"5:40",
"5:30"
] | null | 0 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAIYUlEQVR4nO3dT0wb2R0H8G+CbbBxwJDERMAGTEKiZJVaFZGq7aFxVFqpraKme8hhdw9Ye1j10MNuq7anylFPvWzUSw+9wKXSHlYVhx6SdkOE9rDbNtk10O22ZUOWhCwQ89dgO/hPXw+EFILNzNgznjfzvh8pUsDPPz+b95XHY7+fD126dEnEYjGYYXx8HEIIsF719e7cuWNKLbvFYjGpH2fV6nlisRgSiYQpBa9fvw4hBOvVUM8tuK7kqnfYlEpEJDUGnUgBDDqRAjx... | [
"flip",
"slide",
"turn"
] | null | 1 |
math | algebra-2 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlT0lEQVR4nO3dfXyU9b3n//dkJvcJJCSQQCBBRKggQVFUEBSLVY+2Vmy72J7e2OM5rd1a3e5vuz/3PE67bX8et7un7fnVbXuqu55q99c9bj31pqKBgiDQUEEiBIiKMUJIwNwMmSQzmZtrbq7fHzQpgQRm4PpmMsnr+Xj0YTPJ9c6H6ztzzWeufOYal23btgAAAAA4IivdBQAAAAATCQ02AAAA4CAabAAAAMBBNNgAhqmqqtKuXbuGvj5y5IimT5+u1tbWNFYFAEDmoME... | [
"$\\{y \\mid y \\geq 0\\}$",
"$\\{y \\mid y<-15\\}$",
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y \\leq 15\\}$"
] | null | 0 |
science | grade-4 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAACToUlEQVR4nO39ebh1SVUfjn9WVe29z3CHd+6JbpqxkSYgoAIhoDKosRnyBEGDc1DjEAOC5uFB80CiJk4kBhVUiKigBDVOUUDR70+BCA2NNDQ2g9gN9PjOdzrD3ruq1u+PVbWne84d3rcv/Tac1X3fc+85++xdu3atWmt91kQfWme+bggsayxoQQu6ANp0wKdGwD0FcNgA/+KQvK8WjLWgBV0cLWvguqH8vuXq99WCsRa0oIunyEcl1++p+2coC1rQFz8tmGtBCzo... | 2 |
math | grade-2 | read-a-thermometer | false | true | What is the temperature? | "iVBORw0KGgoAAAANSUhEUgAAALkAAAEOCAYAAADVFbYlAAAPyUlEQVR4nO3d33Hiyp8F8MPWvt+eDWDdbAIWvwSQIkBEgIgAE4FwBDIRCJ5238AJrETV7utFk8AiIkAR/HofsDTIxp4B8/fb51PlsscztvveOrQbqQ/dMMYYEAn2L9ceANG5MeQkHkNO4jHkJB5DTuIx5CQeQ07iMeQk3r+e6xtnWYb5fI7FYoEsy1AUxYd/o7WG4zhot9vwfR9a63MNhyzWOOUdz6IoMJlMMB6Pkef5wV/vui56vR6CIDjVkIhOF/L5fI5+v1+bsbX... | [
"60°F",
"70°F",
"55°F",
"65°F"
] | null | 0 |
math | grade-5 | angles-of-90-180-270-and-360-degrees | false | true | What fraction of a turn is this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABsCAYAAABQF8VPAAAIOklEQVR4nO3dfazVBR3H8c8hzTQUDQy2hFUjbYEJmZqQmz04n5qmabLafGiWWy4186ZN64/mZox81pxpPg6DKWrovD5gm0tcbjn5A7dY/EGIExjXvHjkcrnC6Q/3u4Jc4N7LPed3zzmv11+Me++53z/f++zc36nUarVaAACAETGm7AN2ZVN3tewTAABgyEZlYC+47vYsXdBZ9hkAADBkoy6wbzr3V1lyz6JMmT617FMAAGDI9in7gMKm7mpuOP3SvP2f/yZJ+jb3lnw... | [
"1/4",
"3/4",
"1 full turn",
"1/2"
] | null | 0 |
science | grade-8 | classify-symbiotic-relationships | false | true | Which type of relationship is formed when an Alcon blue caterpillar lives in a Myrmica ant nest? Read the passage. Then answer the question. Alcon blue butterflies spend the first part of their lives as caterpillars that live with Myrmica ants. When a caterpillar lives with the ants, it mimics, or pretends to be, an an... | "iVBORw0KGgoAAAANSUhEUgAAAX4AAAEiCAYAAAD+lrlwAAEAAElEQVR4nOz9yZYsSZKeCX7Eg4ioqpnde909Ajkis7J3vejTL4BVL/AEves3wLvgebCo0w/RXag+VUigKpGREeHDHWzQQUSYmXpBzKKiamrXI5HI8FxA3O2amZqqqCgLMzHRTz/9JP/u3/075X8c/+P4H8f/OP7H8Uc//v2///e/yPsGgP/X//P/AYCIt0fFIyL1McEhqCpoRlUJKM45vPcEcTipL8NRvIBEsgDOk8XOoU4QsddBQUQQzfgS8CngSwDnwAkqjuIAlIz... | [
"commensal",
"parasitic",
"mutualistic"
] | null | 1 |
math | grade-7 | identify-trends-with-scatter-plots | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAqTUlEQVR4nO3dfXCU5b3/8U8CRCC7kEPA5k6IJ54QoAGneWqbLHNicVqIQuyD5Qft6dhaoGJLlYc5LbZTDFU7qSM+9CAnFFMrxSOMOc60phqH1kKUBDxswhkJRsLRaAgbkEDIrjyEwP7+oGyNyUYert17s/t+/cXe33W/37vWyScX131tnN/v9wsAAACAEfF2DwAAAABEEwI2AAAAYBABGwAAADCIgA0AAAAYRMAGAAAADCJgAwAAAAYRsAEAAACDIipgnzlzRmfOnLF... | [
"negative trend",
"positive trend",
"no trend"
] | null | 2 |
science | grade-6 | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAWzklEQVR4nO3daXAkZ30G8Ke7Z3ouzWgkzUhaSXt6d70sLtvYVLDBgAHbYMBejgqQSqpS/pBKXIHkQ0ioYFKpSgUochVHiqMqDnfFxIC9u2B845gQH5jDt3dXq5W0ukYaSXPPdE93v/nQ0mh17qxm1N0jPb8vW5rpab2rfvvpt//d77QkhBBTOjBYAvImYAgQETWFTwKiCnAoDPSogDSlCfFszu1mEdF296YY4DtTsn/YpQKXR+w0IiJqhrwJnCoCkzpwugTIOcN... | 2 |
math | grade-8 | describe-a-sequence-of-transformations | false | true | What combination of transformations is shown below? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AABByElEQVR4nO3dd3RUdf7/8eeU9EqAQIJ0CTWhhCYde1kFEcUFBLFQ1ooo+LMtihVl1V1XXV3dr7quuqtYVkFBQQRZQINK0UiAJJSEkEB6z8z8/phMAAlkEu5Mksnrcc6esxnuve9PEA4vPrzv+2NyOBwORERERETEEObGXoCIiIiIiC85IWBnZmZ6fQEtpWZj1VVN36rZWHVbSk0REREjmI5vEUlKSmrMtYiInCAxMbGxlyAiIlJv1t9+4O0/0JKSklpEzcaqq5q+VbO... | [
"translation, then rotation",
"rotation, then reflection",
"translation, then reflection",
"rotation, then translation"
] | null | 2 |
science | grade-5 | identify-earths-land-features-using-photographs | true | false | An island is a piece of land that is fully surrounded by water. Select the island. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOEAAAC0CAYAAABi8Es+AAEAAElEQVR4nIT9WZMkyXbnif2OqpqZu0dErlVZ292AC6ABdKO7MT1Dzsg8kY984wiH5PehCB9IETb5WSjCB1KmhxRy2DK9XOy4uGvd2rIql8hY3d0WXfhwVNXUIwtNL8mKCHdzM13O8j+ryv/if/u/SylBTIn2JYCI4Kyhd5bH2y3PH51jRbg9HLg7TPgEPgViSjhr2bgOZy0iEEIkIBymER8iiAAQYkSABKSU9F9+ZiJRhpFICPqdVN4sX8xjO/ms+T09mEu9Y6L... | 2 |
math | kindergarten | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAS+klEQVR4nO2dWW8bWXqG39q4SaSojZKthVop2d2ZSQOddGcCeIBxgEmAJECukotggAGCIDf5TbkKggBBLjoOOj292JZsS5ZleZEX7ZZsSbbU2riJS7FYuTg8EmlS1kaytu+5M0WaheLLj6dOfec5gq7r+ocssHQIxDUgp4MgTIcsAH4JGPYBHS5A+JDR9amY0YdFEGfnqwAgLx6yf1xxASMNLNUEYTbiGjCfBN5ngYVDQIzl2B8otISZ8UssowCQ0ABRK/oDQZg... | 0 |
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