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-5 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAfB0lEQVR4nO3deZhddZ3n8c/5nXMrlY3sqSxVla2SVOCx6Z5ubccBemzbUaHHltZ0iwIJm+wIgii4oCIiDtisgrKj9jwN0/bYznTLg9oiaUdwbKWHkCILZCP7SpGkUvfcc+aPG343tyqp7Z57tvt+/fX7Jrfu+erjH598rHOOE4ZhKAAAAACRMEkvAAAAAOQJARsAAACIEAEbAAAAiBABGwAAAIgQARsAAACIEAEbAAAAiBABGwAAAIhQQwXsYPuT6n3+JAWb7kx6FQA... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | square-corners | true | false | Which shape has 2 square corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEtklEQVR4nO3bTW4TSRjG8cfOx4KBmUVErABSVgNH4DA5ARISJ8gqJ0CKxAm4DDdgmE0kQuIgNglEIhOrZ2EsmNEMkO6qp+qt/v9Wsbyokt6/23F/TLqu606vpD8vpYuFdN0JGGx9It1Zk36/Jc02pcnp5657dV56W2jZ41+l9TeXyxc7m9KjX5YVAkNdLKTXn6STK+mPS2l6fr18g8iQ0p21ZVOS9HEhTRffvAGktGrqr06alt0KxoLQYEFosCA0WBAaLAgNFoQ... | 1 |
science | grade-5 | match-chemical-formulas-to-ball-and-stick-models | false | true | Select the chemical formula for this molecule. | "iVBORw0KGgoAAAANSUhEUgAAAV4AAADZCAYAAABo6VjOAABcuElEQVR4nO2dd5xkVZm/n3PvrdRVnaenZ4aZAWRgFAkDDqCIoCJJl3UNrIK7ssq6JjAgi4oKKEHAgLAgoph+oMAqGMAs67ogiChhSJKZHDt3V773/P44dapu3arqru6uqu6ZOc/nU90VbjhVdet73/ueNwgppcRgMBgMLcOa6wEYDAbD7oYRXoPBYGgxRngNBoOhxRjhNRgMhhZjhNdgMBhajBFeg8FgaDFGeA0Gg6HFGOE1GAyGFmOE12AwGFqMEV6DwWBoMUZ4DQa... | [
"He2O2",
"HO2N",
"H2O2",
"H2O3"
] | null | 2 |
math | pre-k | more | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAASYAAACGCAYAAABwryeAAAAJbUlEQVR4nO3dTWwcdx3G8Wf21Y7z1iayaWhrNSVJSxOF0iovdlEvveRALzmWliIQQiigXkBcOCC4VAJx4AQECQkRRKjT1FGaFgREUaMobWhaorYqLRJSJeK1TZ0XJ3Ft7w6H6Sq2E9szs57//Gbm+7kkUeTu5JntM7/ZmZ2/5/u+PzItfXhdutqUZn0BgFMVT1pTlraskvpqkjfyie+/fiXtzQKAwO61UuWD68Ef7qpJ23qC1gIAl642pfevSRenpX9dl0pXZoO... | 0 |
math | grade-4 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAdnUlEQVR4nO3da5QkZZ3n8V9GRt4qK7OyLl03oKGhZ4Rpx8UeL4PIRXFclFFgj3rcc3ZQFG0a2Hm1r/ec3Tczu7Oze86KgjOzu+OIC2dkHQVbXEBBGGxdERywVa460NhQVFVm5T2zsiL3RXdHZGV2XbIqMiMi8/t59USTXfmU+OLnz388T6jZbDYFAAAAwBWG1xsAAAAABgkBGwAAAHARARsAAABwEQEbAAAAcBEBGwAAAHARARsAAABwEQEbAAAAcNFABuzst4v6zb9... | [
"no",
"yes"
] | null | 1 |
math | grade-1 | select-three-dimensional-shapes | true | false | Which shape is a rectangular prism? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAU/0lEQVR4nO2d2XNb133Hv+diB1dxlbiIm0gtFC23ru2R2zhjp/bUndRLvMeOO5lOpi/9X/rUmT71wU4cyUvcKp1Jm9ZOvMR27CS1TFELRZEEN4ESQZFY7376cAAQhEiRF7zAvefifF5IAHc5uPji4Hd+53e+l1BKaVwFZrJAygB0CoHAdfgJ0OQDRqNAdxAgcYXSr5JON0sg2D8PNwP+61n24EgQON7AVC0QuI2UAVzLADdVYDoLSEmdvSBEK3AzTT6mUQBIG4B... | 0 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 5 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGcElEQVR4nO3dP2yUdRzH8c9doZDCwSBajQJhEByMiwOLiZsLKrIwkRjGDky68S8RIolMNQwSE01UNOjgn6iJaAzCBUlTDAISWtQSCnoIVtpyZ3vt9XE4Sw5sPe55fr/v8+fer8nSyP2Gd557ep9ylwuCIChVpZ8r0nhNmg4ERLYgJxU6pEe7pO5OKVeaDIK+sbiPhSxbv0xacLFS/+KhTmndknqFQFTjNWmgLP1elQYrUn5suv4NIoNLhY56U5J0qyblaw3fAFy... | 2 |
science | grade-7 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each blue ball represents one particle of solute. Which solution has a higher concentration of blue particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AABi2ElEQVR4nO2deZwcRd3/PzWzx+yVzSYhF+RYAgmQAwKGG5RgSIBwXwpGg3KIeAAi8hCV6wnIEzkEf4ABEaNRHwlCVGLCjTwiNzEC4UwIuRNy7Dl31++P7qququmZndmd2Z3u/X5er2Rnqqurq7vr09/3t7pnhnHOOUgkEolE8plCfd0BEolEIpG6IwpgJBKJRPKlKICRSCQSyZeiAEYikUgkX4oCGIlEIpF8KQpgJBKJRPKlKICRSCQSyZeiAEYikUgkX4oCGIlEIpF... | [
"Solution B",
"neither; their concentrations are the same",
"Solution A"
] | null | 0 |
math | precalculus | outliers-in-scatter-plots | true | false | The two scatter plots below show the same data set. Choose the scatter plot in which the outlier is highlighted. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAAFGCAYAAAAFAHYEAAApBUlEQVR4nO3de3RTZb438G8S2gaapBB7eQXT5kgKpx0rSiG1UkZhxoAz+s7R8VIc0bFlRqaeIo5LR2bhooMe5mRgWMrtAGvGHo/nVEEQB2cxou8odqylDdMBoUFtOYRW0F4IpezCbnrZ7x+126YkhV2yk5R+Py5Xu39J9/Okwtdn355HI0mS9LUPqD8PnOsBuiUQEdEAYzSAUQekjwNSYgHN152SVN0e6W4REY0MOSZgTN35vo1rY4Gp8X2pSkRE3zrXA3zeAXz... | 0 |
math | pre-k | circles-squares-and-triangles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHAElEQVR4nO3dy24TVxwG8G9uZIjHl/EilaUgWYKCghwuAStOskgEC1AVJC6Bp+jj9Fn6EDxAJUp3XZR2SSAVlGi6GIIiyyF2zpz/uX2/FVGkOYP92ZkZ/z9PVFVV9e4z8McRcHgMfKlApCyNgHYC/LgM/HAJiN59qqrX703vFvlsswOkb4/qHwaXgButOoVEqg6PgTcfgb8+A78fAfH7L/UvGDJqUjupMwUAH46B+PjUL4iadJKp/yogNrsrFAoGjUQwaCSCQSM... | 1 |
math | kindergarten | identify-pictures-with-symmetry | true | false |
Which picture has symmetry? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAUX0lEQVR4nO3daXAb53kH8P8CBHiIJCiKEkWLVC3Zko9YcXwfsh23cTN2XB+TsRqPJ5lek7huPjWtPW49+ZB4nDbNh6YzbWzL8iHZke3I9kxtVT4ku5V1maJukpIoiZJMiiIp8ARIAAtgsf0AQoIoglgAu/u+C/x/3yTieETyr/fFs7vPKrqu6wNR4EQICGpAXAcRWaRMAWrcwLIqoNELKAOqru8OiC6LqPTcVguUHQ8l/9DkBa6ak0wnEVkjqAFdk0B/FDgWAly... | 1 |
math | grade-2 | which-table-is-correct | true | true | Nate went to the party supply store and bought the following items:He decided to count how many of each item there were, so he made a table of the supplies he bought. Which is his table? | "iVBORw0KGgoAAAANSUhEUgAAAf8AAAFVCAYAAADhduY2AACmuElEQVR4nOz9eZBkV3nnjX/OOXfJpfaq3rfqbm0tdWtpSQgYJMAg7MEweHkZPOOZsQleeZEXZl6HI4jAxpiIsT0METAT/GLA+A97fnjMC2MPP4zA0oBly0IjqbWjllrdXb3vtXStWZl57znP7497M6uqu4UWuiqrss4nIqOqsm5Wn3P73vuc8yzfR336058WPB6Px+PxrBoCgD/4gz9o9Tg8Ho/H4/EsEbrVA/B4PB6Px7O0BK0egKcNmZlBXjmAvPgyrF2LvmMvDAy... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3sAAAFVCAYAAABW9PaMAADVg0lEQVR4nOz9eZhdV3Xg/X/33uecO9Ws0jxLnmRLHmQLY9o2EKaEOSEEXugmcRPoBEiThOYNzwMhwJMOvAQCSdMdCDz8Ag2EQAZCbMAO4MQYY1uesWxZcmmea1Cpxjucvdfvj3NrkmTkQTXdWp/nuZbq1rnX5xxVnXvW3muvZT7ykY8ISimllFowPvKRj8z2LiillJoBEcCf/MmfzPZ+KKWUUmqGaLCnlFILg53tHVBKKaWUUkopdf5Fs70DqgENDyNP7EQefRy... | 0 |
math | pre-k | represent-numbers-with-shapes-up-to-3 | true | false | Which group has 2 rectangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAC20lEQVR4nO3US4pdVRSA4XVuPRp5aEcMgXSjQ8goHIQjcw46i8wglk0hFZJWVVKQsq7HxiEg2IiPgnt/+b7OOZsNm7XhZy/ruq6XtzO/3Mxc72fu1oGjc7rMPD6Zef5g5sn5zHL5cV1fXh16LPj7Xnwxc3pxsy2ens98+3CrGo7N9X7m1YeZ17czP9/M7K7utg3Rcswen2yNzsy838/s9n/agGP2qdHf1pndYUeBf0e4JAmXJOGSJFyShEuScEkSLknCJUm4JAm... | 0 |
math | grade-2 | interpret-bar-graphs-ii | false | true | Russell went shopping for a party and bought some gift bags, pink baskets, and red balloons. He made a bar graph of the supplies he bought: Did he buy more pink baskets or red balloons? | "iVBORw0KGgoAAAANSUhEUgAAAgEAAAFfCAYAAADXih97AABgiElEQVR4nO3deZxUxbn4/0+dc3qfFYZh32QRQRAcReMWFnG5xut6o4kmrkGvmqgxan6axPiNuRpjopirMWoM5kajiV4wkLhxCWJcSBzZFA2CsjoIsy/d093nVP3+OMMAEYYZZobumX7er5ev6eX06aebceo5VU9VKWOMQQghhBA5x8p0AEIIIYTIDEkChBBCiBwlSYAQQgiRoyQJEEIIIXKUJAFCCCFEjpIkQAghhMhRkgQIIYQQOUqSACGEECJHSRIghBBC5ChJAoQ... | [
" pink baskets",
" red balloons"
] | null | 1 |
science | grade-8 | identify-how-particle-motion-affects-temperature-and-pressure | false | true | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | "iVBORw0KGgoAAAANSUhEUgAAAmwAAAGZCAYAAAA0Im0SAAB4NUlEQVR4nO3deXxTVfo/8E+WpmmatKV705adFtmhlUVRCo6OCkVnHL9KcRl/ajsu44bOOC5DGZ3FkarfcS34dUEFHZlRKS6DjlRQAUnZt5QdSsvWNV3TJOf3R8ml6d6SrTef98va5Obmnuem7cNz7z3nXIUQQiCAlZefxZEjR9HU1AiFQuHrcIgAAEFBQYiNjcPAgQN9HQrJGPMf+SPmv46pfR2ALzkcDpSVlUEIBzQaja/DIXJRXn4WCQkJCAoK8nUoJEPMf+TPmP/... | [
"sample B",
"neither; the samples have the same temperature",
"sample A"
] | null | 1 |
math | grade-3 | identify-multiplication-expressions-for-equal-groups | false | true | Which expression describes the model? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADXCAYAAAAgGib5AAA+b0lEQVR4nO29W4wj13nv+68iWWSz2SSbze5mkz1jayQ5iRVftrQtB37ZhhTEedmJH4TAB/DJQxwEMA7gPATySQAnUbaFnGxjI0AecnnbyJtyhe0gQCJDQRIEceKDOFaOHI2k0cia6Qv7xm6SzTur6jzQrKki2d1kdxVrrcX/Dxioq9WXtXrVb9VX6/ItzbZtG4QQQgghhBBf0MMuACGEEEIIISrBAJsQQgghhBAfYYBNCCGEEEKIjzDAJoQQQgghxEcYYBNCCCGEEOI... | [
"3×4",
"2×4"
] | null | 0 |
math | grade-5 | points-lines-line-segments-rays-and-angles | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAyCAYAAABmk6zIAAACmUlEQVR4nO3cIVLrUBSA4dM3WLqBxFSSDYCpramtAAkboGtAI6jEVCOqEUUiaDfQSkxW0A3kKZhhpk+8926bae73udyYI/+5c5Je0zRNAAAASfxqewAAAOgSgQ0AAAkJbAAASEhgAwBAQgIbAAASEtgAAJCQwAYAgIQENgAAJCSwAQAgobO2B2hLXdcxHA6/n8uyjKqq4vb2Nq6urlqcDACAU5ZtYK9Wq4iIeH5+jn6/H3Vdx3w+j5ubm3h/f4+yLFueEACAU5RtYG8... | [
"a line",
"a point",
"a ray",
"a line segment"
] | null | 1 |
science | grade-2 | classify-rocks-and-minerals-by-color-and-shape | true | false | Select the black mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAABacklEQVR4nO29aYyk53Wefb1r7VtX792zk0OJEjdxiajVtAQplqMISGLBSIDYsAH/EBDAyI8kgBMESIJ8n4EECRDEhh3FiKDQ0GLLFC3qcySaikiJkkjRnCGHnOHszZnel9r3d/l+vHWeeqrYw6FgidPdUwdodE8v1VU9z/2c7T73McIwDBnb2Ma2q5m3+gmMbWx72cYAGdvY3sbGABnb2N7GxgAZ29jexsYAGdvY3sbGABnb2N7GxgAZ29jexsYAuc3M9308z0N... | 0 |
math | grade-1 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABWd0lEQVR4nO3de1yb5303/o843BwscZCwQfIB4QMkDgQS0qR2myDi1E6XEOMkzZ6k3WO8ttm6Pqvx2qXtus24XZ/1sP2Mu7V72q6N0rVuu9k1Lu7BzsEiaUybmloEO7bwAeGDMDbCAmEOAqHfH0SqAB0unZCAz/v14mWQvvd1X7alF19d9/f+XjKXy+UCERERERFFRVK8J0BEREREtJAwwSYiIiIiiiIm2EREREREUcQEm4iIiIgoiphgExERERFFUUq8J0Dx55wcw8T... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5AAAAEJCAYAAADiusiGAABhiklEQVR4nO3deVib15k3/q9YHhZLICNsQF4kvEDiGENCmtRuYiBJ7cw0xDhJM2/SuMbTxDOdpg2eJmk7bcdOl3e6zc+4TTvvJJ2GLPV0sWsc3MVksYgb06amFsaJDXZs4UUYB2GBMItA6PcHkcqi5TxakBDfz3VxGaSz3LFFq1vnnPsonE6nE0REREREFBIKhSLSIRCFTVykAyAiIiIiIqKZgQkkERERERERCWECSUREREREREKYQBIREREREZEQJpBEREREREQ... | 0 |
engineer | grade-7 | identify-control-and-experimental-groups | false | true | In this experiment, which were part of an experimental group? The passage below describes an experiment. Will was a chef's assistant in an Italian restaurant. One of his coworkers told him that adding salt to water would cause the spaghetti to cook faster.
Will gathered six pots that were the same size. He filled each ... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAELCAYAAACyM7+LAAEAAElEQVR4nOz9aaxt23Xnh/1mt7rdnfY2r7uvueR7fOzEXhQpkSJLKkkUVXBJrirHNoKU7RiFMhIEyZcAhhE4QBAHiB2gkiBwHBtJbNgVOB9KqipJpZKrJFESJbEXyUfy8bW3v6fdZzermV0+zLX2Ofe+90iqSlVPAWpeLJxz9t177bX3mnPMMcb/P/5D/O2//bcj/2r8q/Gvxr8a/380/tP/9D99W95XA/zh7/3TH/gkIcQbfr/4mJTyB74+xnOb/MbXSzKRg+jwcoV... | [
"the pots with salted water",
"the pots with pure water"
] | null | 0 |
science | grade-5 | animal-adaptations-beaks-mouths-and-necks | true | true | Lesser noddies live along the coast of the Pacific and Indian Oceans. A large part of their diet is fish. The shape of the lesser noddy's beak is adapted to catch fish. Which bird's beak is also adapted to catch fish? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9d7xlRZW3/6yq2nufc+65oW8HmoYGbIKIoIAYBoURFQMvMqIYABM4JkYREQT0HR3EgIJgQiS8KAiOioIM8+oYXwMiIk0YQB1kQEIDnW84YYeqWr8/9u07NDR0Cz3o+DvP59PQffY+e9eOZ1XVd32XqKp674kxMmDAgAEDBgwYMGDAgP+ZGGNwziFVVekguB8wYMCAAQMGDBgw4H8+xhjMILgfMGDAgAEDBgwYMOCvgxgj5s/diAEDBgwYMGDAgAEDBmw... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebwlVXnu/33Xqqq99xl6biYBERAnnIcYr3AdYhyuMdEQDc5iosZrHIiIwy8ah6gRBaNBnD5OQaMxUQn3xjhejUoMyhRxuGrAiamBHs60d1Wt9b6/P9aqOqehoVvsiMndD5/+cPrs2jWsGrqe9Tzv84qZWQgBVWWKKaaYYooppphiiimm+M8J5xxFUSAit/auTDHFf0m4KXGeYooppphiiimmmGKK//xQVUIIt/ZuTDHFf1m4KXGeYooppphiiim... | 0 |
math | grade-4 | compare-fractions-in-recipes | false | true | Does this recipe call for more mushrooms or onions? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHMCAYAAADvfN8VAABtk0lEQVR4nO3deVzU1eL/8dcMu4gi7uJ1SbPc7cpPTU0RNcvlZopLhWVZml63crletcSlstyoLxXkcg3NXLpmaZmWZWYpioaKhltuCIiAiBvLwPz+QOY6sgg6I2jv5+PB496Zz/mccz4z9pj3nDmfcwxms9nMdWazmezsbEwmk+XPaDTi5OSEo6MjDg4OGAwGROTeYTabycrKwmQykZmZSXZ2No6OjpY/o9Go/65FRERsyJAbsLOzs8nKyiIzM5PMzEycnJxwc3PTB6/... | [
"onions",
"mushrooms"
] | null | 0 |
math | grade-1 | simple-fractions-what-fraction-does-the-shape-show | false | true | What fraction of the shape is green? | "iVBORw0KGgoAAAANSUhEUgAAAU8AAABkCAYAAAAG0bKzAAACIElEQVR4nO3YIU5kQRSF4fs6bxPQmyAZhaAVauRsAUcyniWgEbjeARaHwhDczCII7KLGtGjJO+bOS3+fK3eSSv5UahpjjAJgkbmq6tfz73r/+tu95aRdnl3U08+H7hnAN22qSjj/A2+ff7onAAvMx4ePm9euHSdtu991TwAW2nQPAFgj8QQIiCdAQDwBAuIJEBBPgIB4AgTEEyAgngAB8QQIiCdAQDwBAuIJEBBPgIB4AgTEEyAgngAB8QQIiCdAQDwBAuIJEBBPgIB... | [
"1/4",
"1/5",
"1/3",
"1/2"
] | null | 2 |
math | grade-3 | reading-schedules | false | true | Look at the following schedule: Which stop does the bus depart from at 2:30 P.M.? | "iVBORw0KGgoAAAANSUhEUgAAASQAAADbCAYAAADESuyUAABgSElEQVR4nO2dd1gUxxvHv0eX3pGuFEVUimLBgiJYQcWCoGA3dkGNBY1d7CV2sUZJFARBrBGi2LsIKhZUUBEFFEHpfX5/XG7DcndwBxjPX+bzPPfozc7Mvvvu3rvTmC/HZs8EAgqFQpEAZADg5/5jvrMZFAqFAkh9bwMoFAqFBw1IFApFYqABiUKhSAw0IFEoFImBBiQKhSIx0IBEoVAkBhqQ6knS7QSMM+mGcSbdkJP+qU51xBwIx++//IpbJ/5qYOtEpyGuAwAyX6f... | [
"the art museum",
"the baseball stadium",
"the football stadium",
"the airport"
] | null | 3 |
math | pre-k | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAHFklEQVR4nO2d21MbVRzHv5t7AkmAEAgJZWyxFyxaC0Kn1rFVSpEq0hv0QZ2ptl6mM8440+lMpy3/h6Mv+uS7PnWcqQ++Va3j+FRLACu1NOEyQLI1m2zXh22mgYZLErJnz/7O54WGbHK+00/2t2eX89tImqZpMwowLgPLKpDTILAQDgnw24GdPqDZBUgzGU27tcQ6lsAIDgQAx11Zf9DiAnbX6J8GgXVYVoE7aeCBAvwlA7alnP6EkG1N/HbdLQCkVMCmFjwhsCZ... | 2 |
math | grade-4 | what-decimal-number-is-illustrated | false | true | What decimal number is illustrated? | "iVBORw0KGgoAAAANSUhEUgAAAKQAAACkCAYAAAAZtYVBAAACSUlEQVR4nO3bsU3DUBhGUQcxESMwAS0rMBAr0DJBRmAlp6WwncbkXZtzStAvpbh6ofi4zPM8TxDxNPoDwG+CJEWQpAiSFEGS8rz1y5eP66M+B//Mz+fr4s9XX0gxMsLmCzlN0/T+tlzyPV/fV7duF++2+BuSFEGSIkhSBEmKIEkRJCmCJEWQpAiSFEGSIkhSBEmKIEm5rP3XofkZf2ltD2l+5vaht+ZnHIogSREkKYIkRZCkCJIUQZIiSFIESYogSREkKYIkRZCkmJ8... | [
"0.49",
"0.73",
"0.94",
"0.84"
] | null | 2 |
math | kindergarten | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABTmklEQVR4nO3deViUVfsH8C8u7IxaLikoiJnOWO4CamJl4JvgkrhvueRWGZpb/UrLpUXRFLVXARW3XBIsFyyhxSiVxUztdUhTYGSQDBcYBGZw+/1BjCCzPLMxA3w/19UVw5znPHfEXNxz5j73sXv48OFDEBERERGRWdSxdgBERERERDUJE2wiIiIiIjNigk1EREREZEZMsImIiIiIzIgJNhERERGRGdWzdgBkfUqlEsXFxSguKkJxsRLFxUUoLi5G3Xr14OzkBCcnJzg... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABdtUlEQVR4nO3deViUZdsG8BMXdgYtlxQUxEoZyF1AfaPFwBLUEnfNUtNsMTC3+kpNsMUtQe11QUXNXBIs1xJajBIBzVdNhjRlkUE0NGUQmEGR7w9iBGFmntln4Pwdh4fMPPd9P1c0U3PNdS82lZWVlSAiIiIiIoOwsbExdwhEZtfE3AEQERERERFRw8JEk4iIiIiIiAyKiSYREREREREZFBNNIiIiIiIiMigmmkRERERERGRQzcwdAJmfXC5HWVkZykpLUVYmR1l... | 0 |
math | kindergarten | identify-pictures-with-symmetry | true | false |
Which picture has symmetry? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAgqklEQVR4nO2daZBc13Xf//ctvXfPPoNZsQ4WEgQJggIkh6QWSnFolz5oic1UIkVKolRcSapUrlT8yUk+ROVitg+xozipLHbZcklxJVQoV1EuJXYkSiQBkiAJgsQyWAezYnqm9+1tNx96me7p92a6e970fY05v2IT8+7bbi//d88999xzGeecr2jArTyQMQGDgyCIPUJhQFQGZkPAmA9gKyXOL6VFV4sg9h8XYoAyly9vjPuAE+GyOgmC2BsyJnAjByxrwM08IKW... | 0 |
math | kindergarten | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEvElEQVR4nO3dvW4UVxxA8TOzXhcEHOQiURpAkZJU7pCo/C6UFDR5FwpK3oUOuXNFSAE0cRpk2WAJ27tDsYxAygeGvfO/H3tON9rmzs5Ps3vvXO12wzAMR+fw5xmcLuBywGzttjq4MYNfrsGP29AdvR+GZye5h2Utd28Htl6crQ5+2obfvlspNFu30wU8fwd/ncMfZ9CfXK5eEJml7MZsZQrg7QL6xWcvmKVsNHUxQJ93KLYpCc1CEpqFJDQLSWgWktAsJKFZSEK... | 2 |
math | grade-8 | compare-linear-functions-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABQ20lEQVR4nO3dfXxT9fk//ldumzRtaSmUuxZoYUWwlaJAi4gIyr1OUW6mDpFN+Xw2mTdTP3O64ZxOnZOpmzp+yLxBnUzGxp1fxY8FBITS4U0taKuSFlpqUygNbXpyn/P7w0+yFtom6TnJSdLX8/HwgeScXudKuPLulSsnJypRFEUQERERJQi10gkQERERyYnNDRERESUUNjdERESUUEJqbgYMGACVStXtf5999lmE0wzdq6++CpVKhaKioqgf+8MPPww8JhdffHHUj09... | [
"The y-intercept of Function A is less than the y-intercept of Function B.",
"The y-intercept of Function A is greater than the y-intercept of Function B."
] | null | 0 |
math | pre-k | one-less-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAb30lEQVR4nO3dfayddYEn8G/fK20B+4JAkZba8rKCKI7FrSmsVbLo/qETECZdk438YfAP2RgddZ3EP9zsOBMBFRJJjGZWd9m4I5KME1ZBrPKqBMVk60iBVlpNtdgXq9wybaG9+8eRSBfuveee8zv3eft8kub+cZ/zPN+vktzvffr0nFnj4+PjAQAAiphddQAAAGgTAxsAAAoysAEAoCADGwAACjKwAQCgIAMbAAAKMrABAKAgAxsAAAoysAEAoCADGwAACjKwAQCgIAM... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAAuKUlEQVR4nO3dfbSeZX0n+m+SnRfzQtIkIBAkEAngSNXCkTjhhBxBrdDl0hmkWtR2oNXBmcG2R/s6rWu1njMzZ0Sscs6iU7FTqmjXCMyqmtOCiCIvVnRw5kQlkKCJXdFIdlKEHUwCYZ8/HjOQQu79dj/PfT/39fmstdfzR5593b/fr3Yvru9zP9c9K8l4AACAWoyPj2fXwWTbE8njh5Kn/Nc2wLSMzEqWzEnWLkxeOC+ZFQEGAADUZteB8dz3WNNVAHTLumOSkaa... | 0 |
math | kindergarten | match-analog-clocks-and-times | false | true | Which clock shows 1:00? | "iVBORw0KGgoAAAANSUhEUgAAAvUAAAEJCAYAAAAU+thyAABWpElEQVR4nO3dd1hUV/4/8PdQhjZDBykqYwMsCIqaiAVs0RiNGE0zxpKm6bjpvzRNvslmUzaaze4mm6YpxsQYMWqMGiMkamJBUGxgYUQZRBnaUIdyfn+QmTBMYegMvF/Ps89m7jn3nnMvfJwP5557rkQIIUBERERERDbLrrM7QERERERErcOknoiIiIjIxjGpJyIiIiKycUzqiYiIiIhsHJN6IiIiIiIbx6SeiIiIiMjGMaknIiIiIrJxTOqJiIiIiGwck3oiIiIiIhv... | [
"Created with Snap",
"Created with Snap"
] | null | 1 |
math | algebra-1 | describe-linear-and-exponential-growth-and-decay | false | true | How does f(t) change over the interval from t=2 to t=5? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAByuUlEQVR4nO39fVhU970v/L+HmeEZBHk0KKAx2mgERdFoNDHVqBE11bTHtL+2O/ukTTRJ291z3bu/Xnt39z7tnZM7+9q77WmamIe2p0326b56ml/NgyAajUQtRlFUFEyUIAygzhMMMM9rZtb6/YFMwCdmdH1ZM/B+/ePFMOvNx7Vm1vrMh8VaOkVRFBARERERkSoStC6AiIiIiGg8YYNNRERERKQiNthERERERCpig01EIxw4cAClpaWoqqoCAGzcuBHvvvsuAODKlSv... | [
"f(t) increases by a factor of 6",
"f(t) increases by 8",
"f(t) increases by 6",
"f(t) increases by 2"
] | null | 2 |
math | grade-8 | identify-congruent-figures | false | true | Are these shapes congruent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEQCAYAAACKgANBAABWWklEQVR4nO3deXhM5/sG8HtmMtn3lVAheyyJpQi1xb6EUqFK0LRaS6tapfUlqKXaH60qVa2t9tYSamkiQqmdiiUhIiIIiSWJ7Otsvz/CVKyJTHJmJvfnulxkcs577tNlPPPmPc8rUqlUKhARERERkUaIhQ5ARERERKRPWGATEREREWkQC2wiIiIiIg1igU1Egps+fTpGjRoldAwiIiKNYIFNRIKLiYlBkyZNhI5BRESkESywiUhwMTEx8PX1FToGERGRRojYpo+IhJS... | [
"no",
"yes"
] | null | 0 |
math | algebra-1 | compare-linear-functions-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABQt0lEQVR4nO3de3xT9f0/8FeSJk2btLQEUi4t0MIKaKFFwBa1VlBuIt7GxcsQmZN9/crUKU6dDuf06206nRPnwOF9oh0OhP2UzQJShVL9fqVWhepIAy216YWmbXpyz/n9URsptE3SkzbJ4fV8PHhAk5N33gmffPrK55yTKERRFEFEREQkE8pIN0BEREQUTgw3REREJCsMN0RERCQrQYWbYcOGQaFQ9Prn4MGDA9xm8F555RUoFArk5eUN+n1/9NFH/ufknHPOGfT7J6L... | [
"The y-intercept of Function A is less than the y-intercept of Function B.",
"The y-intercept of Function A is greater than the y-intercept of Function B."
] | null | 1 |
math | pre-k | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACJCAYAAADUvSEiAAACUUlEQVR4nO3cu24VVxSA4TXHl8Lh0gXR0QQegbdLxOvxBg40qTCtDY5wfDQpRkjpffQf6eT7qtna0tYqfq1ylnVd15uHmc/3M3f7mcd14MnOl5nnZzO/Xc28upxZbn6s68fbY4/FKXv/Yub80/12eH058+6XrUJ4qrv9zPX3mS8PM3/ez+xuH7cLkXFIz8+2pmZmvu1ndvv/XMAh/Wzqn3Vmd9xR+L8QGgmhkRAaCaGREBoJoZEQGgmhkRAaCaGREBoJoZEQGgm... | 1 |
math | grade-3 | coordinate-planes-as-maps | false | true | What is at (7, 3)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAE7CAYAAADn6/a0AABoUUlEQVR4nO3deXxU5d338c9ZZs1GSMIWQAQFEVQQBaVAESlWi2DVVm3trVVbFavWre2jdrvrc7tUW7VVW2v1sXVpra1aq95QxYr7goiICCjIGpbsyexnef6YMBASIMCQBP2+X695kZkz51y/mTAz31xznesyfN/3EZH9SjKVpqEp3unt2pZFWWlRp7crIiKyP7G7ugAR2QM+OI7b6ibP80mlMxiGAUAgYGOZRldUJyIi8rmmgC2yH/J8H8f1ctcTyTSbGxM0ZTxcHyw... | [
"art supply store",
"bicycle shop",
"flower shop",
"art gallery"
] | null | 1 |
math | pre-k | count-sides | true | false | Which shape has 5 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFV0lEQVR4nO3c/2vUdQDH8dfdNkPTgoKifk8JgiAo/48IRPzFIPZLGEEFBf0gNDSQWsT6oYiEQYSggRAy8RdF8Ms2A+cqbyt3qHgXY7Xtbhu3+/Lph+MTMyJnu3u9P5/PPR8/OU53b91zn8/dXmAuiqKovC79uipVmlIjErBl/TlpV5/03A7p6W1SrlyLovHl0MdClu19TOqfXW1/8Mw2ac+j7QqBrao0pcKKVFqXZlal/HKj/QCRoZN29bWbkqRqU8o3NzwAdFL... | 0 |
science | grade-2 | identify-plants-and-animals | true | false | Select the plant. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADeCAYAAABL7FARAAEAAElEQVR4nOz9Z7Rkx3Xejf+q6qTOfXOeO3kGk5EGmQDBnKNEiaIkyqJlBVvBppUcJNmUrWCLtiwqUCIpkiIpRjEIDACInCdgcp47c3O+fTv3SVXvh9P3YkCC/kMvv7z/tXTWmtCn0zldT+3a+9nP3iUOlY3ZkYGc4p+Pfz7+P3lUYzhfh9kAOiy4s5icl/8M3H8+/r9+5BTsyCT/r8UvnJf/DNx/Pv7/4VjDaWheOGe91As/99BVtBEIIhwp8SxBPm2QUrK0GpJ... | 0 |
math | grade-1 | compare-clocks | false | true | The clocks show three things Jenny did Sunday before bed: Which did Jenny do earliest? | "iVBORw0KGgoAAAANSUhEUgAAArIAAACZCAYAAADTjdlcAAAudUlEQVR4nO3deVwU9f8H8New3KCAIgiiiEci4pkngqHgkVZqaZZmX880NTXTstMOu9X6/tLUb5ffNLvU7DAzETywUtNUxLwQxZPjKyj3cnx+fxAD6+7CnuwOvJ6PR49mZz8z81mc1857dj8zKwkhBMguiTVPAXs2WWx9l264oVDtaJF1OXm4ovVX8XDwbGyR9REpBXNJZH+Yy4bLwdYdID0yL1k0lJZWkl+Em5vW2bobRHWLuSSyP8xlg8ZC1l5lXrZ1D2pVdOqErbt... | [
"did homework",
"watched a movie",
"went for a walk"
] | null | 2 |
math | grade-5 | multiply-unit-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 2×
1
5
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHoAAACOCAYAAAD+WhzrAAAOYklEQVR4nO2df2wT5x2HPyYBJSnlzMqGhwp2lgCq1NQGaaoWUOIxhFAZsgfSklbtkixQFfpHUtFJSaXJZrRbEOsIkyrK1FQEqi5WtcSQUSE6ZKdBIFF1Pho2lTXBl3hbEkFqB0JMabJ3f5j3sB0nsZ279y65eyTUguN7X9/j9/O+3/sVAyGEDD0AeseBu5PABIHOAiDXADyeA6wtAFYuAQxD3xBy9Y7S3dKRk2eXAblfjcf+8v0lwPrHYt8CnfnP3Ungxj1g8AH... | 0 |
engineer | grade-8 | identify-the-experimental-question | false | true | Identify the question that Tori's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Tori prepared ten buckets, each with one gallon of boiling water and three tablespoons of black fabric dye. Tori soaked white linen fabric squares in five of ... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz9eY5kSZbmi3130lnN3D0iozKz+EhwI70DgtxH76UX8MCt9E4KaKBZ9V5lZoSH26DjnfiH6E/kE1H1yGqAnRYE+gYszFyHe0WOnOE7gxyp/vN//s+z/tf1v67/df2v6/+Prv/yX/7Lhzy3laT//X//f0uSqqpSXddqmkZVVcUPXa/X7EtVValtW3Vdp7ZtNU2T6rpWVVUahkF934eb3z4zjqPmOehl7l/XteZ51jzPGsdRTdNoHEddLhdN06S2bSVJwzB... | [
"Does fabric turn darker when soaked in a mixture of black dye and water for 15 minutes compared to 30 minutes?",
"Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?"
] | null | 1 |
math | grade-8 | apply-addition-subtraction-multiplication-and-division-rules | false | true | The number line shows an unknown number, t. Is 5t positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGMUlEQVR4nO3dT2iTeR7H8c+TNn8mSacTajtTdtU6hzkUF3GssRUZPM0OiANxvLgwIjgIiufxtDcRvHjSXQUZBgeLp3gQZOY0mwpLk1rdQmgHhtVO6+Jq25Fx8qdp2jxzqIkt9o+aPPnl0ffrkjzpc/hAEvrpr9/n91i2bdsCABfp7++XZVk6dOiQ6SioE95zAG7SbDoAALyqyclJ0xFQZ7znANzkpQt2sVjU8PCwksmkOjo6WEUA1lDK2nryw+/Kjc4qN1aQd0OT/Jt... | [
"negative",
"positive"
] | null | 0 |
math | grade-5 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEPCAYAAAB4ALMPAAAoXElEQVR4nO3deXSc9X3v8c88mlWzaLQYW5Y3yXYcCA4meMlGCMYNcVh625Pbc25ZknM4HAqhuNdtQmhwIS3QsCTN0obe0xvubU9ozrlNSm6AAHawE4dgdkOuY8JiY4xkWUj2SLNoRqOZ57l/COZ5BizLsmef9+uv53k8j+bnR/989Dvf5/t1WZZlCQAAAEBJGNVeAAAAANBICNgAAABACRGwAQAAgBIiYAMAAAAlRMAGAAAASoiADQAAAJQQARsAAAAooaYP2Gbc1MG... | [
"yes",
"no"
] | null | 1 |
math | grade-2 | which-tally-chart-is-correct | true | true | Jane went to the farmers' market. She bought this food. Which tally chart shows the right number of each food? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADhCAYAAADyOcJJAAA7J0lEQVR4nO3deZwU9bkv/k9V9TYLDDBswzjsBHTUIcQYjQsQr1s0URMT8/qdGzExJLn5xWhujvuNmOPJMQkmHk30kJijUbzR4wISN0Q54gKCIgIqDAzLwGw9a2/V3dW13j/a2eiaYYbu6e6a/rz/gflWd/Uzw/B6fbr6qecrWJZlgYiIiIiIMkLMdQFERERERKMJAzYRERERUQYxYBMRERERZRADNhERERFRBjFgExERERFlEAM2EREREVEGMWATEREREWUQAzYRERE... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDIAAADrCAYAAACb17bUAAB33UlEQVR4nO3dd3hUZfo+8PvMOVPSgSSQEELoVUlERRBB0BVUmr2tYlnsiroutv2udRUVXcuuyqoLKlh+FhBBBBuI0hSVKD2UQHrP9HbK748xIcNMGplkZpL7c11eJO9pz4QQkzvv+7wCAA1ERERERBQSmqah1APsdwBWBZD53TYRUZtIApAgAoNjgV4GQACDDCIiIiKikCl1a/jREu4qiIg6p9MSASncRRARERERdSZ5Dt+f6QZgaJzvt4hERHT8rAqw1w6UeIB... | 1 |
math | algebra-1 | multiply-two-binomials-using-algebra-tiles | false | true | Which multiplication expression does this area model represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFaCAYAAAAkQypLAAAbuElEQVR4nO3dX2zd9X3/8dc5dhJjE5NAXBwnAxpT/qRdVOLRgijb1DZdqFCrqdrUVpUqpF1UWv8JoV1E6y7RNmn/OkVFSGjq2m1tKZ2YtJFhsbRhtGlZHFKS8CdNSFxiO3Yg/01i+5zzu8ivAUNoFfiar8/J43F3vlb0fvubm6c++p6vK41GoxEAAKAQ1bIXAACAViKwAQCgQO3nuzg0PJWx4/V3epem19tdzdqrFp73Z0MTgxmd3Ff4zOWdq7K2Z928mQkAcLGrvP4... | [
"(x+2)(3x+3)",
"(x+2)(2x+3)",
"(2x+2)(2x+3)",
"(2x+2)(3x+3)"
] | null | 0 |
math | grade-8 | identify-lines-of-best-fit | true | false | Which graph shows the line of best fit for the data? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAWYAAAFtCAYAAAA04cDVAABIyklEQVR4nO3de3xU5b3o/89kZnIPSSCQC5CEiAQCCYSrCOGitrJFwKAVOGVbj9a9cbfqr3vX1tNXj6e1lNp2q9Vaa93VoltPKfkJCgIiUggaCiQxBBIg4ZYbISEBQq5zWTPr/LFyIVwkkJm1Jsn3/XoNmVmzZn2fGdZ88+RZz8Wkqqpa44ATrdDkAkVFCCGEjiwmCDPD7cEQ7Q+mGruqHmg0ulhCCCEAZgwCy/FW7UGsPySHaFlbCCGEfppcUNICZx1Q2gp+jYr... | 1 |
math | grade-3 | compare-fractions-in-recipes | false | true | Does this recipe call for more red onions or tomatoes? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHMCAYAAADvfN8VAABos0lEQVR4nO3deVjU5f7/8ecMqwKKqOCWaS7lgmhycskUzcpUOnTSSqXiZImSW6nn61FLcylPmtuPTuBWYRmpxyzNNJfM9LihoXkUFxITBFEEQdlhfn8Qkwgo6Iygvh7XxXU5M/fc93s++Mdrbu7PfRtMJpOJP5hMJvLz88nNzTX/GI1G7OzssLW1xcbGBoPBgEhlZTKZyMvLIzc3l5ycHPLz87G1tTX/GI1G/R8WERERqzIUBuz8/Hzy8vLIyckhJycHOzs7qlSpojA... | [
"tomatoes",
"red onions"
] | null | 0 |
math | pre-k | represent-numbers-with-shapes-up-to-3 | true | false | Which group has 2 triangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAFCUlEQVR4nO3cvU8bdxzH8Y95iNQ0abu0VdaqTbeuWapKXTp36NY/IlEiJRPZ8rCFKFIymCXJAoywJAKWJEK6EKQw2FLqDgiGYiEhhBMjG47rYIEITz6bO84f+/2aMMan7/DWyTK/r3NRFEUrdenfqlQJpe1IQMcZyEkX+6Wfzkvfn5NyK7UoeruR9VhAfFe+kgZK1caDS+ekn79sVA10mkooffgk/VeX/qlKfRvbjSeIFp3sYn+jUUn6GEp94b4ngE622+hWJPV... | 1 |
math | grade-2 | correct-amount-of-change | false | true | You pay 15¢ to buy a red bead costing 10¢. You receive the following change:Is this the correct amount of change? | "iVBORw0KGgoAAAANSUhEUgAAAisAAABECAYAAABAk3WOAAA4RklEQVR4nO3dd3Dc9Z34/+f23qRVWclqtiRLtiw3uRfAgLEBQ+jkEiCkQC7hSCZkwl3I5TvJXS5zOQI5ICFHIJkQQk0gYDDgBi64yd2WrWKrS6tVW23vu78//Pu8z76QnDE2ODfvxwxj2ci7n/3AzOel1/tVVLlcLockSZIkSdJFSv1pX4AkSZIkSdJfI4MVSZIkSZIuajJYkSRJkiTpoiaDFUmSJEmSLmraT/LNstksmUyGTCZDIpFgYmKCbDZLNBolEokQCoUwmUy... | [
"yes",
"no"
] | null | 1 |
math | grade-7 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAGEAAAB+CAYAAAA0hn/tAAAHRElEQVR4nO2dX0xbVRzHv6Ut0j+3LW03FgNL3IywuAhsxkRKfFiCgCai2YPbXtAs2V7mgw9ifDD64sOc0YftxSUmEk02H5aImv1N/JOsi1ETmLI4MlyWMh1gC9z+oRttqQ+9t8Bg0HvOr+xKf5+nk5tyezife37nd+49t8eSz+fzYB4qVQ+7AoxBCdHIeLnqUdEYknCi910WUQZKlhCNjGPs2k0MHOsvZ30qkpIlXDp5BgBw5auL3BuIKVnCtR9+LZa5N9BSkoRoZBx... | [
"no",
"yes"
] | null | 0 |
math | grade-8 | identify-complementary-supplementary-vertical-adjacent-and-congruent-angles | false | true | Which angle is supplementary to \angle{1}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD5CAYAAAAdvEK/AAAtR0lEQVR4nO3df1TUBb7/8ReIRS5ejEplU4G0lFt3wWitLixirJBQAmKMmm24hXl3t9K7lXhut5/3rrh1T7nbd5crteJm5oyyDiVTsBcbWah0o8bd7Y65toOaTbiGQ1JNgfD9o+uk+YsfAx9meD7O6Zyc+czn8549/fHyva/5fEK6urq6BAwAh8OhxMREo8cAAADoV6FGD4ChwePxKC8vz+gxAAAA+h0BG/3O4/HouuuuU1NTk9GjAAAA9DsCNvpdXl6e3nvvPaPHAAA... | [
"\\angle{2}",
"\\angle{4}",
"\\angle{6}",
"\\angle{3}"
] | null | 1 |
math | grade-1 | match-analog-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABPNElEQVR4nO3deXAc5Z0//nd3z6VjRpeND8n4BFtygo3ZWDIEhw3IVDBLfReZLA7ZZA1JSKqWldnYUN9N7K3YZDdgp7BDqsKx2MlCgCwWvy2CyRcJshsFY8lJjO3gESY+0QjZyLak1jVHT/fvj7HGGmuOZ0Zz6/2qoqyZfmbmiaSOPv305/l8JMMwDBARERERUV6QMz0BIiIiIiJKHgb4RERERER5hAE+EREREVEeYYBPRERERJRHGOATEREREeURU6YnQFnAbwB+A8a... | [
"1:00",
"1:30"
] | null | 0 |
math | precalculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the right at x= – 4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB1NklEQVR4nO3de3QU550n/G/fW1JLaiEJCWQkjLkZkAQyMggkg4NjE5M4BieD4zOJ7fFkxtlkksy7M7tzsrN5d2a93uzOJHnj2J4kMxlfdpNJ4hNsj8EyweYuGQQCBBI3WYAuQEtqqe+Xqq6uev9oWkYgQA310Gr0/ZzjY7rV9dNPVd3V3376qSqDpmkaiIiIiIhIF8Z0N0BEREREdCdhwCYiIiIi0hEDNhERERGRjhiwiWiU7du3Y+bMmVi3bh0A4Atf+ALefvvtMR8... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | purchases-do-you-have-enough-money | false | true |
A plastic straw costs 15 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABpCAYAAABPh1csAABeqUlEQVR4nO3dd3gc1dXA4d/MbNfuqvfeLMm94YI7GNMSDA4YTMdAKAk1hNBCC/lIJQESEgIkhNBCNx2MDS5g3HsvsprV+0raNnO/P2RtLFQsuWHMfZ9HD3h2Zvaeu7OzZ+/eOaMIIQSSJEmSJEmSJJ0Q1G+7AZIkSZIkSZIkHTkywZckSZIkSZKkE8gRT/AbAoLMT5oYsbCZhoCc/SNJkiRJkiRJx1K/Evx3ygM8tM3ba+L+RU2Qva0G6xp1rlrdetgNlCRJkiRJkiS... | [
"yes",
"no"
] | null | 1 |
math | grade-8 | identify-linear-and-nonlinear-functions-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABjoElEQVR4nO39f3Qc9X3v8b9mf+i3ZMmSLQnZ8g/ADjKSwWATGxubmgCFQGIn1LTfhNJL05vckqQ9ae/p6UlybhMuJ9/T0n5LSG5u2twQenNObmgICRDhmGBsxw4YC1u2BAFhbFmyrZ/WSrvS7s7Oznz/kCUs/8ASno/Xaz0f54C1K81Lb81oZ187mt21PM/zBAAAAMAXgUwPAAAAAFxOKNgAAACAjyjYAAAAgI8o2ADG3XLLLXr22WfHL//yl7/UNddcI9d1MzcUAAB... | [
"linear",
"nonlinear"
] | null | 1 |
math | pre-k | count-scattered-shapes-up-to-10 | false | true | How many stars are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAFkCAYAAABVbk9GAABIv0lEQVR4nO3daXxU9dn/8W/2BBICyCoSCKbEEhGFsgSDLLKJCFIBS9CK+9rFu9Uba0VLrWhta1d7yx8rFQSBsIiI7IsQZZdNBJKQEEAMQgIkJiHJJP8HGJUly8ycM2fOmc/7kcyc+c31kiG55ne+5zpBVVVVVQIAAADgCMFWFwAAAADAODT4AAAAgIPQ4AMAAAAOQoMPAAAAOAgNPgAAAOAgNPgAAACAg9DgAwAAAA5Cgw8AAAA4CA0+AAAA4CA0+AAAAICD0OADAAA... | [
"7",
"10",
"4",
"8"
] | null | 3 |
math | precalculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x=5? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACDsElEQVR4nO3de3xU5Z0/8M+Z+2QmyUzuIZAgVwsCCqJyU6wUL6gtqKu2tdV1u2uv2+7V7cW21lp3a9utVdu127X2sr+utl4qGBAFhYYKEiGQgIIIuZLLJHO/nTNzzu+PISnhmoHz5Mwkn/fr5atNMvPNl3MyZz7zzDPPI2mapoGIiIiIiHRhMroBIiIiIqKxhAGbiIiIiEhHDNhERERERDpiwCaiYTZt2oTJkydj1apVAICbbroJL7zwwilvqygKrrjiCrz11luj2SI... | [
"yes",
"no"
] | null | 1 |
math | grade-1 | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGNUlEQVR4nO3dT1NTVxzG8SeALlTaXTu+gLabblvfXNkIC+gKR1fO6Apn6nQhG7tCXoDZM7V2hoCQ3AAmMdcbyJ/L7SLQohXIvTn3d37nnOezUhmHM+NXEvKEeytZlmXRAPi7B8QpMMpANLW5CjA/C3x3C/j2JlCJ+ln2umv7WOSze18Bc29749/cvQn8cHtcIdG04hR4kwCNAfBXD5jpjsYfYGRk0vzsuCkA+JgCM+mFDxCZdN7UMANm7B6FQsHQSARDIxEMjUQ... | 2 |
math | grade-3 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines perpendicular? | "iVBORw0KGgoAAAANSUhEUgAAAFUAAABnCAYAAABxRw78AAAKs0lEQVR4nO2dfVRUZR7HP8OIQ+BhNHmJaoF0WbdIsdJSF69QyTZIRSX2nqC7rVkk6a6WW4bma7sixTmutYW4m9tZ8aS7RxGJXcFYw9UUZK11EQROiSCdGAXkbXj2D5hxgAGGYV7uwHzO8RznMs/L+T7Pvb/7u8/3uaMQQghcWBU3R3dgOCJLUesbGhzdhSEhS1GLyktJSNnk6G5YjCxFBcjIzWbBxjWO7oZFyFLUay0tAGQW5DvljJWlqDeoVIb/Z+RmO52wshT1OgK... | [
"yes",
"no"
] | null | 1 |
math | grade-2 | which-tally-chart-is-correct | true | true | Maria went to the farmers' market. She bought this food. Which tally chart shows the right number of each food? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADhCAYAAADyOcJJAAA7J0lEQVR4nO3deZwU9bkv/k9V9TYLDDBswzjsBHTUIcQYjQsQr1s0URMT8/qdGzExJLn5xWhujvuNmOPJMQkmHk30kJijUbzR4wISN0Q54gKCIgIqDAzLwGw9a2/V3dW13j/a2eiaYYbu6e6a/rz/gflWd/Uzw/B6fbr6qecrWJZlgYiIiIiIMkLMdQFERERERKMJAzYRERERUQYxYBMRERERZRADNhERERFRBjFgExERERFlEAM2EREREVEGMWATEREREWUQAzYRERE... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDIAAADrCAYAAACb17bUAAB5l0lEQVR4nO3dd3iUVdoG8Pudng4pJCGE0KuQiIgggqAriiAqdnfFstgVdF1su/ZVVHQta2HRBRXbZwGxIFgAUZqiEqWFQEhI75ne3vL9MWbIMJNGJpmZ5P5dl1eS87ZnYozJnXOeIwBQQEREREREQaEoCipcwEEbYJYAkT9tExF1iEYA4tTA0GggVQcIYJBBRERERBQ0FU4FP5pCXQURUfd0SjygCXURRERERETdSb7N8zZdBwyP8fwVkYiIjp9ZAvKsQLkLOGA... | 0 |
math | precalculus | outliers-in-scatter-plots | true | false | The two scatter plots below show the same data set. Choose the scatter plot in which the outlier is highlighted. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAAFGCAYAAAAFAHYEAAAsBklEQVR4nO3df1RTd5438HcSQxBDoqnCozbKaRNdmKF2RKG0cJ7aH7FnbM8806c/sNt2ptCZaelq7c5pp93HObJu1z0ZXc/UqtN6Zobts7vMaO2Psa1nbJ+ulpViiIe1RbAtuOZgtQNo5EeEmwS4zx+3BJAEciE3uYH36xwP5JOY+w3q2++93+/9fjWiKIp/CQAtvUDPANAvgoiIRpilAdJ1gD0NyEwBNH/xi2Jdd6KbRUSUHApMwKzmXunBwhRg+RwpVYmIaFj... | 0 |
math | pre-k | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAATPklEQVR4nO2de3Ad1X3HP+fsXunqZT2uJINx7QTzCIFgkiYBN4ESm0cgL5K0/3TS6X+lM0zTaZo/0rR5NGlDUkJI3BKSTENaSEgZ6jwgkGQApwN0IAE6AzRDbMu2ZF1syXpgybJe+zj949xd6VqyLVn33rO793z+8Wh3tefnO1+du3v2nM8KpZQamoe+aTgegK+wWBKHK6DNgQubYX0DiKE5pX4zabosi2XlXLkO3H3T+odzG+DiFp1qiyVpHA9gzwk4Mg97p0F... | 0 |
math | grade-1 | read-a-calendar-ii | false | true | What date is 3 weeks after March 7? | "iVBORw0KGgoAAAANSUhEUgAAAssAAAF2CAYAAACYtNXtAABaAElEQVR4nO3deVyVdd7/8RcHRFxBdnfBDRfEJXNBpExzSysz77TuqdTKtt/M2FgO0zbTmHdaTdlM2UyLqZlrBmqG24CKS664gKYiIiJuiIqses7vD+MkwaXnKHA49H4+Hj2qc13n8DkfrnPxPtf1/V6Xi8Visaw4d4o1WWdIL8hHRERERG5fk5oe9Pf2Y6hPgKNLkdvgsvxspuVoQR4PBTSihqsJi6MrEhEREXFyLkDRVTNLMk8QVLM2Q30VmJ2VaU3WGUYGNMJNQVl... | [
"March 10",
"March 28"
] | null | 1 |
math | grade-5 | range-find-the-missing-number | false | true | Lisa has the following data: If the range is 7, which number could m be? | "iVBORw0KGgoAAAANSUhEUgAAAdUAAAAkCAYAAADfAKD/AAAJwklEQVR4nO3da1BU5x3H8e9eYAHZJeFmYFcySRAWUTGIqEk6HZOo1WiundTm0phObF4knU6avvBNm+lMO5NXTe+1mURrxuY2adoklRQbG2NMIBgiBiUCXggsYGBRQHdh732xgC63XdhnwcX/551nzz7n9xw8z3/POc+e1QQCgQCA1wuDg+D3AwGEEEIIMRkNaLWQlAR6/dCiQCAQcA2CyzW72YQQQoh4ZTCAIQn0Pq8UVCGEECIaLhfo9KCVgiqEEEJEz+0Crc832zG... | [
"912",
"267"
] | null | 1 |
math | grade-2 | identify-multiplication-sentences-for-equal-groups | false | true | Which expression describes the model? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADXCAYAAAAgGib5AAA1PUlEQVR4nO3dfWwj530n8O+Q4vBFJEVSpESJkla78XadXbt2ktb21f0nPjSugSQ1UtwfBxt358DtpXVi4Jq2VwRt74AWPbjn/OOec8GlSS5pg8v13ENQN3DcBEnbSxokceIs4qx3vd4XvVOiRIrv1JAc3h8qZznUCyVyhs/M8PsBFtbQsvgbL7/kT8888zxSq9VqgYiIiIiIDOESXQARERERkZOwwSYiIiIiMhAbbCIiIiIiA7HBJiIiIiIyEBtsIiIiIiIDscEmIiI... | [
"1×3",
"2×3"
] | null | 1 |
math | grade-1 | time-and-clocks-word-problems | true | false |
Roy went to watch a parade. It started with a marching band at 1:00 and ended with a float 2 hours later. What time was it when the parade finished? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAEo0lEQVR4nO3d0UuTexzH8fczszCbJ3TbSQ2KZOdcCEFhDC8soZswD6OQIi+6CkqEIiq6TQz/gLooim6FoJs65o2LwsALEbrOeRGBOTOnzWVuZ8/zPRdr4+yMkz7K7wjPvi8Q9Pv7Pl+ewYdnzzbczxIRSWRhZhVWbMgJSrm2wwJ/FYR3w687wUpkRCZT231ayksidbAjvpr/o3En/F6bT51Sbq3Y8P4bzGVhehV8qVx+QUOltsJflc8QQNoGn/2PBaW2opChvwR... | 2 |
math | pre-k | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAAMIklEQVR4nO2d649dVRmHf2vf97nPtZ0ytLW00FKs2NYCNWiMXISieEk0Ev87jYQvgighDRECqGhDBYwtpTMQCp1Op9NzZs5t3/defjiMFoLUs++X90mayczk7L06+znvetd611qHcc75dQdYNYChD3gcBBEZiQFNEThUA3YpALtuc35ukHWziDLzQAuQVozJN0sKcE99YiFBRGXoAx+MgXUHuGwAwsCb/IIkI+KkKU6cAoCRDwj+Lb8giDjZccrlgJBtU4iqQKI... | 0 |
math | grade-2 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAUUUlEQVR4nO3dS4xc130n4H/denT1g91Uh6YelOyF7EjA5GEbkRPAzmgWiidZCQmQILF3cZZyNgE8GxuZxN4ka28MRNkFySoTYYCRJzOLUWLDAyQYIw8nUhwBhiwRMkk1KbFf9bp3Fq2mmhbZ6kfVfZz7fYA2Iuve8zuHVfj16VNVnaIoigAAAJKQVT0AAABgfhR8AABIiIIPAAAJUfABACAhCj4AACREwQcAgIQo+AAAkBAFHwAAEqLgAwBAQhR8AABIiIIPAAAJUfA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAWlElEQVR4nO3dS4xd930f8N859zF37gxnKIYZiqJsLxRHAho3sWHZAaxUXShusxISIEFq7+Iu5W6KuhsbSWpv2nU2BqLsimTVRghQuWkWVWJDAVrUSBrFUh0BgkIOKJIaUiLncV/ndDEaihRf87j3PD8fwAuLvOf8v/8/Z+793vO/5yZ5nucBAAA0QpIkZQ+hktKyBwAAALBoig8AANB4ig8AANB4ig8AANB4ig8AANB4ig8AANB4ig8AANB4ig8AANB4ig8AANB... | 1 |
math | precalculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x= – 1? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABtN0lEQVR4nO3deXgU950n/nffLal1IQlJCEuAOWxhCRAWIIFsGBzbMbFjsB2wJ4eznsw6m3OendnNk83m2cl4/Mvu5Ng4tjeb3ayPmcQHCbZjsCDYYMCSQSBAIIFBFiAhQEdL3a0+6+iq3x9Ny2pOCepLq9H79TwOUanrrY+quqs//dW3qky6rusgIiIiIiJDmJNdABERERHRzYQNNhERERGRgdhgExEREREZiA02ESXYtm0bpk2bhlWrVgEAHnzwQbz11luXfKyiKFi... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | addition-sentences-up-to-10-what-does-the-model-show | false | true | Which addition sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAQeklEQVR4nO3dT2wdx30H8O/M7r637x//SjJFlqLqP1IStzUgGbB8kIyiQAwYAeJDDi0coE0D5No/pwKF4wQ95N5DkKOKAr4lRYG2KHII0Dp21LSQ69hBY0uxLImkLIr/35997+3uTA9Lik8SSfORu7PL3e8HECRSjzvz5QBvf5g3Myu01hpERERERBQLmXYHiIiIiIjyhAU2EREREVGMWGATEREREcWIBTYRERERUYxYYBMRERERxYgFNhERERFRjFhgExERERHFiAU... | [
"6+1=7",
"8+2=10"
] | null | 0 |
science | grade-4 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAACif0lEQVR4nOz96a8la5beh/3WO0TE3vsMeTLzznWr61Z1VQ/V1QPFyaIsThZFm9BgGx4EGbJh+N/wP2B/NeBvBmzYgAHDskFKBCnSNsXJZLPZbDXZXVPXeKe8NzPPuIeIeIflD+uNfU4WS3azUh9koM9FIvNmnmHviBXrXetZz/Ms+Sc3qr+wgVPPH3380cd/LT/uCnx7B5/OcBHg33hkf+/+KHD/6OO/7h+nHn5hY3/elvu/d38UuH/08f8PH0ucJr3/u/DTPvH... | 2 |
math | algebra-1 | multiply-two-binomials-using-algebra-tiles | false | true | Which multiplication expression does this area model represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEgCAYAAACO+gTsAAAXPElEQVR4nO3db2zddd038M85bVnpaNcOKm03GHTjr0DYKpci4v9xDyEmhmiQkBiemXhPjfHRUB+S+zIxwdwht5jwQFECIl7RoFQanG43t4OLdQy24YCVtXNdaQdbt7asf8459wMu5joGF+u+5XdOz+v17PwWzu/N+0nf+/Z3znKlUqkUAABAEvmsAwAAwEJiYAMAQEK1p7rYOzAVQ0eKH3aWitfWlI81F551yj/T6dzoNL337XSkJw5M9CW/Z3tDZ6xpXZv8fQGgHOV... | [
"(3x+2)(3x+1)",
"(3x+1)(3x+1)",
"(3x+1)(2x+1)",
"(3x+2)(2x+1)"
] | null | 1 |
math | grade-2 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAMJklEQVR4nO3de2xT1x0H8O8ljpPa19i8AoFSHmVABSRsAVVNUXEYottUVi2tOhWqhmjVVIQmtZ2U/LERmVJtWqatWqeN7gmpKFK1pmpLN7V0IskKXdsQ6hAYhPFISkmahkCMbeLYce7+cB3izI9zHd/cc+/5faSAbB+fHNv3a59c3/s70saNGxW3241caGlpgaIooP6y76+pqSknfenN7XZz/TyL1p/F7XbD4/HkpMM9e/ZAURTqbxL9mQVtV3z1Ny0nPRFCuEZBJ0Q... | [
"slide",
"turn",
"flip"
] | null | 2 |
math | kindergarten | one-more-and-one-less-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABeCAYAAAAZpWPpAAAOcklEQVR4nO3dW3Cc5X3H8d+uDquTdbRkZMeybGMsn3AyQ+uE4LHbpoUMBXKgA1MuQoEMCTmMO51MSVvCRT2TNjPptDATi8m4QBJnetEMzcRDSTBOoDZtSYMPSLblDLZky9g6rXXelVa72wthqIss2Xif5/++u9/PjX31PA/feXj113pXimSz2awAAAAA5ETU+gAAAABAPmHABgAAAHKIARsAAADIIQZsAAAAIIcYsAEAAIAcYsAGAAAAcogBGwAAAMghBmwAAAAghxi... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6wAAAB2CAYAAADMdh6QAAAUe0lEQVR4nO3da3Bc5X3H8d/qfrMtW7KNDPiK7zcyQ2uuhYS0kCFAEujAFGZCuAyEBOJOJ1OT1mamdSZNMskk0IKZ1OESYDrTZEhqDyHBOAFs2kADxki2ZYot2TK2Ll7buq60Wm1frBUjWGtla5/nf87u9/NGvDrn4euj55y/VruKSEoKAAAAQFYkk0kdGZD+r1fqSkiDPG0DY1YUkSYUSvMrpOklUkQMrAAAAEDWHOlP6s1O61UA4bdqolRkvQgAAAAgl7zfm/p... | 2 |
science | grade-8 | identify-how-particle-motion-affects-temperature-and-pressure | false | true | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | "iVBORw0KGgoAAAANSUhEUgAAAmwAAAGZCAYAAAA0Im0SAACTh0lEQVR4nO3deVzb9f0H8FcIgSQkQIFyBOhNUlt7WLCX1cZ2Og9S3TyhXvtpwTq3qaC/bR5Np5tuQufmCfU3a1XQrlPX4LF6NNXZQ0NPewR6A6Gl5QwQjiSf3x803yYQypWLb97PhxXyzff7+X6+Kbz7/n6ur4AxxhDE6uvP4cSJk+js7IBAIPB3dQgBAIhEIsTHJ2DcuHH+rgrhMYp/JBBR/HMv1N8V8Ce73Y7a2lowZkdYWJi/q0OIi/r6c0hKSoJIJPJ3VQgPUfw... | [
"sample A",
"neither; the samples have the same temperature",
"sample B"
] | null | 2 |
science | grade-3 | compare-strengths-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | "iVBORw0KGgoAAAANSUhEUgAAAnYAAACtCAYAAAA9MjI8AAAoPElEQVR4nO3deXhU5d038O9smclk3zcSCFnYUQiyCIqAsik2FaIitbUF7au2r7WvtfrU9vHpJvpULeW1dtHyqKBFCrhSFQREUmSTfQ9L9oXs62TW5w9MqhiSmck55z7n5Pu5Lq9LYmbmF3L7Pb9zn/vcx+Dz+XwgIiIiIs0zii6AiIiIiKTBxo6+Jj8/HwaD4Sv/JCQkYNasWdixY0dA73X06FEYDAbs3Lkz4Do8Hg+eeOIJGI1G/P73vw/49UREvVFD1nk8Hjz33HM... | [
"The magnetic force is weaker in Pair 2.",
"The magnetic force is weaker in Pair 1.",
"The strength of the magnetic force is the same in both pairs."
] | null | 2 |
math | kindergarten | addition-sentences-up-to-10-which-model-matches | true | false | Which shows 3+4=7? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAagAAABKCAYAAADuScD9AAANpUlEQVR4nO3dS4wb92HH8d//Py++d6WV7ZUUy4bltSOrSe0Wtew4vgVO8wSCIE4QBEYPuQVFYATtocf2ECA9FEF7CHprD22aIigap+6lp6SGXaMBAjiuoUcURI/V6rHy7vI5w5n/P4chV0uJy+Vw+R/+yf4+gKBdkZzhV8DMf14cCq213oiASy2gngCxBhERUe5cAVQdYK0EPOIDYiPU+t2dWb8tIiKie87VAPdiK/3luA88XU5HLyIiorzVE+B8E7gRARdagNy... | 1 |
math | pre-k | addition-sentences-up-to-10-which-model-matches | true | false | Which shows 6+4=10? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAgwAAABKCAYAAADXGAxXAAAOvElEQVR4nO3dT4wb12HH8d9784f/uSut7KykWDYsrxRZSWu3qGTHMdBD4DRtUyBI7QZpYPSQW1CkRtEeemwPBdJDETSHoLf20CYpgqJx6l56SmrYMVoggOMa+lMF0Z/V6s/Ku8u/M5x5r4chV8sVl5wh+YZD7u8DGNoVyRl+BfjxzR/OCK213vCBq02gFgKBBhERER1ytgAqFrBWBD7mAmLD0/q9nVm/LSIiIsqqi1XAvtKMfjnuAmdL0WyCiIiIDrdaCFxqALd... | 0 |
math | algebra-2 | describe-linear-and-exponential-growth-and-decay | false | true | How does h(t) change over the interval from t=1 to t=4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABxIElEQVR4nO39e3RT950u/j976+6rjC+yMZa4BVoIkJCQFAJNMkmTTNJmCm0Pab+nncyk00lP03bm+1vTk5KEW2lOz5ppe5qTdjo900nS+XZNT5kmmQnEUNKQQCEJwQFzSwk1INuAJcuWbN339feHkLG5BAv2B1n281orq7WwHr+9t7T16OMtSTJN0wQREREREVlCLvYARERERETjCQs2EREREZGFWLCJiIiIiCzEgk1EIzzwwAPYuHHjRf/t7bffxsc+9jGoqgoA+Ld... | [
"h(t) decreases by 3",
"h(t) decreases by 4",
"h(t) decreases by a factor of 3",
"h(t) decreases by 2"
] | null | 0 |
science | grade-3 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADoKUlEQVR4nOz9d7wk11nnj7/PqdT59s1pcg4aSTPKsiQH2bJkY2Njs8bGLODFhGVhl+W3+AtfYF/wW2Dht9iwLMGAAQMLJtjG2JYlW0I5jcJETY4359u5u9I5vz+q+4YJSlacqbdepe7bXV3VXV1T/TnP+TzPI7TWGqDRaDA+Pk6pVCIIAmJi3mhM0ySXy9Hf308ikXhN9xWf/zFvNuLzP+Zy5vU8/2NiLkWE1lrX63VOnjzJ6tWrSSQSWJb1Rr+vmBh836fRaHDmzBk... | [
"scratchy",
"sticky",
"salty"
] | null | 1 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADYCAYAAADRTJQsAAAcIklEQVR4nO3df1TU973n8df8AGRQBn/GRBggiQZRC1ETNeEWsntDbpLulWzMbpvtHjE/d+/uafSkObe9exuxvedsd0/vDek/u/fWKO3e2203phnbbruS3hvMtdGkCRlrJBg1HQF/I86MAgLz/X73D2ACgor6Zb7APB/nzPmOzOi8B/558vEz36/LsixLAAAAAGzhdnoAAAAAYCrxOj3Azdq9e7ckKRQKKRKJJI5Djfa1QRUVFVf82uCxpKREOTk59gwMAACAKc01Wba... | [
"octagon",
"decagon",
"triangle",
"circle"
] | null | 3 |
science | grade-4 | identify-and-sort-solids-liquids-and-gases | false | true | Are the bubbles in soda a solid, a liquid, or a gas? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAABFXUlEQVR4nO29SWxk2Zrf9/++c84dY+CUU2XWPL6x+/XrlrvVkjXYsg0Ylm1oIy28si0b0N4bAzYMCPZCCy+8MGALNixYS0OGFrIaQmvqVr8e3livXlW9mqtyYHIKBmO44znf50UEmcwskknWkPWKET8gkmQw4t4bzPO/55xvBJYsWbJkyZIlS5YsWbJkyZIlS5YsWbJkyZIlS5YsWbJkyZIlS5YsWbJkyZIlS5YsWbJkyZIlS5YsWbJkyZIlS5YsWbJkyZIlS5YsWbJ... | [
"a liquid",
"a solid",
"a gas"
] | null | 2 |
math | grade-8 | compare-linear-functions-tables-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAARAAAACZCAYAAADnwmWxAAAZAUlEQVR4nO3dfVwVZf7/8ddB7lFR7hTEFKVFUxMFQ01hvU9pM0V0tTDTdfdnbt78Ujc1NdvWRDM1S6stLS0zw6R+Lt58CxCt8KZE1CRv0swbQlGQg9zI4fr94ZeTJCBnmAOc9fN8PHg8YM7MXJ8DM2/mmplzjUEppRBCCA3s6roAIYTtkgARQmgmASKE0KxaAeLl5YXBYKj0Ky0tzcplVt/777+PwWAgODi41tvevXu3+XfStWvXWm//XnD06NEqt8UmTZrUdYnljBs... | [
"The slope of Function A is less than the slope of Function B.",
"The slope of Function A is greater than the slope of Function B."
] | null | 0 |
math | kindergarten | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 3 − 1 = 2? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABKCAYAAACiqlhpAAANa0lEQVR4nO2dfWwb533HP+Tx+CZR1Asl2ZKtOJIVRVnixG4dL5G3enMWA0OGNU2a/JHWC7oCNfpPgQLt/m32UqDY0K7oAgQbAhhGU6RGijgbUK92tboNZNmyJdeyLUuRLVvWGylLpESKr0fq9gdFihKPkkyRonN+PoBA3T33vHyJ7++e5+4ePmdQVVV1x+BWCAIJiKsIBIIiYTKAQ4JWO9SbweCOqmqPv9TNEggePQ5UgGk4lNzYboa2smR0CgSC4hBIwFAQpmL... | 3 |
math | grade-5 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAkl0lEQVR4nO3deZBjZ33u8eeotbakbvU2PVv3GJvBLDYBgwEbcADjGDs2YDCVSqVyufdWhSSQXHJDWBxv44Wd3MS5mLDculW5FElcLAPYGIMJmIkxNsaGYANewJ7pZWZ6lVp7q0+fc/8YW0fS9PT0dEs6R0ffz196VWr3Ox5N1dPq5/29hm3btgAAAAA0RcDtDQAAAAB+QsAGAAAAmoiADQAAADQRARsAAABoIgI2AAAA0EQEbAAAAKCJCNgAAABAExGwsWXlx5Z16AM... | [
"no",
"yes"
] | null | 0 |
science | grade-3 | identify-ecosystems | true | false | Select the tide pool ecosystem. Hint: Tide pools have animals that can live both in and out of seawater. This ecosystem has:
year-round rain and warm temperatures
soil that is poor in nutrients
many different types of organisms This ecosystem has:
daily flooding and draining of seawater
water that is rich in nutrients
... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9d6A82VXdi3/2CVXV4aZvmjyjGY1GCQkkEU3O2GATTM5gG/uHeX7v8cBkTDTJCTAYMCYbgw0YbOOAbbDJYDBZBAlJo0nf+cYbOlQ45+z3xznV915JCPAPgfym10xP39uhulLPXbX3WmvLv3htq299wXPghS222GKLLbbYYosttnhT4Pag/NKtAXnFIuqWeG6xxRZbbLHFFlts8abG7UGRG13SP+sV2WKLLbbYYostttjimQF39pcf+rkTrh2fcBw... | 0 |
engineer | grade-8 | laboratory-safety-equipment | true | false | Select the gloves. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AABAqUlEQVR4nO29d7xkV3Xn+1t7n1jp5tutbrWkVkAoWiCSQTIIcCAZbEsyfgSPnGTGHzx+DoOfx++N7LE/H489Hg8ef5jBCLAxPH9o0mOwwRpjJIxsgxCSLBEkJNTKHe69fWPViXuv98epqlvh3Bwq9P7yaVTnVNU5q+456+y1116BsEucDoK/JOCdu3W8Nfgr5XnvOkhU3ePzGAxDBe3GQWaq1WshxD0AxG4cbz0Y+CYR3TjleY/s9bkMhmFhdxRTiD/YtWNtAAF... | 0 |
math | grade-1 | rhombuses | true | false | Which shape is a rhombus? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGk0lEQVR4nO3dS2xUZRyG8ef0llppSRMqKaQhFLAo0ki5qUGJkKAhSuIlSNi4cuXKlQs3bFy4cuPGlTujxFvUkIi3KCqmoRVBxApUsSI0JWlooUA75bg4HC1JaTudc/7nfN95fwmLoWTmS/OETmfemQnCMAwvjMPpMRidhFKISMVqAmishlUNsLgOggvXw7B7JOtjic82N0HNqbHoQmsddNwZVShSqdFJ6LsC58fh9zGoGilFX1BkkqTG6qgpgMuTUDU55QsiSYq... | 0 |
math | grade-6 | interpret-graphs-of-proportional-relationships | false | true | Trisha has written her own recipe for pot roast. The graph shows the proportional relationship between the weight (in pounds) of the pot roast, x, and the total cooking time (in hours), y. What does the point (4,2) represent? | "iVBORw0KGgoAAAANSUhEUgAAAioAAAI0CAYAAAAz7AJYAABWz0lEQVR4nO39eXzU9b33/z8nM5MQkswMmQHCjrigyKLIKosgal3YAnqqrT31tIcuV7dzLnuu06vHX6+rarl6/Vptq21PL69qPV1OvaQssogWQRZB2QQE3FDKTgKTZZYss36+f8wkEAOShCSfzyd53G+33s7JJ8u8+DhJHnl/PvP5OAzDMAQAAGBBOWYPAAAAcDGECgAAsCxCBQAAWFaXD5Xp06drxYoVjW+vXLlS1113ndLptHlDAQCAFunyoTJ69GgdPHiw8e3Fixf... | [
"Her recipe says it should take 2 hours to cook a 4-pound roast.",
"Her recipe says it should take 4 hours to cook a 2-pound roast."
] | null | 0 |
math | grade-2 | skip-counting-stories | false | true | Each laundry basket has 2 shirts. How many shirts are in 3 laundry baskets? | "iVBORw0KGgoAAAANSUhEUgAAAX4AAACLCAYAAABm8vLiAAAgLUlEQVR4nO3de1zN9x/A8dfpTlJJQkpEJW1ioW0ukZnbzH2YTZgZuc1c537ZZi7DsjEiGuG3CzPE3CtCKCy3SMgtTMpU1Dm/P+LQEt3PqfN+Ph49Hud8z/d8v+9zzvu8+3w/38/5fhSqq9dUCCHybc+I0QC0XDRPw5EI8Wp7RoxGT9NBCCGEKF4lsvAnpkONk2WoH21CYrqmoxGieMWlKST/RYFoXeHflKjP9OuGL03ofQ/0iUtTEPVQj36XjIsvOCGKWG7yf9M9yX9... | [
"4",
"6",
"9",
"8"
] | null | 1 |
math | kindergarten | count-money-pennies-and-nickels | false | true | How much money is there? | "iVBORw0KGgoAAAANSUhEUgAAAIMAAABECAYAAACicIZqAAA3FElEQVR4nO29d3Rc53nu+9t1+gxmMAAGANEBAiDYu9isSomSJbnIsi3H8nWRnJybk+TYSpwc5cZJHGdl2SmO7kmc+LhEclxkxZJlWZIlqlKiKJIiwU4QIEEQHRi06bP7/WM4W2Qi26REn5yzrt61sECAILG//T37Lc/7vN8WHMdxeNfeNUD8z76Ad+1/H3sXDO+aa++C4V1z7V0wvGuuyf/ZF/D/B7Msi3Q6TS6XI51Ok06nyefzWJbFxMQE8/PzhMNhTNNk6dKlxGI... | [
"5¢",
"6¢",
"1¢"
] | null | 1 |
science | grade-3 | classify-rocks-and-minerals-by-color-shape-and-texture | true | false | Select the white rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAADF7ElEQVR4nOz9d7Sd13nei/5W772v3Qt6J0ES7CJFqlAWKdpWtXNy3Mvx9T2uGdfDvr5nOIlPTpxixY4TW5LVTFXKEkVSbCBIECSI3nfvZe3Vey/fd//41pwAJJt2FBc5xhyDgyCxN7D2Wt+c832f9yk6VVVVbq1b69b6K5f+H/sF3Fq31g/yurVBbq1b6x3WrQ1ya91a77BubZBb69Z6h3Vrg9xat9Y7rFsb5Na6td5h3dogt9at9Q7r1ga5tW6td1i3NsitdWu... | 1 |
math | algebra-2 | describe-linear-and-exponential-growth-and-decay | false | true | How does f(t) change over the interval from t=
–
6 to t=
–
4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB00klEQVR4nO3de3wU9b0//tfuzmzuISEJSQgkXAKRYIKiaEGoePCoR7yUS4u0ar3016OnVWsfR09Pq57TyuHQIz21arXaYyu29iJf0RYwUhAEGqpIhNywGLkEAuSyySbZ+8zszO+PJYFw3YX5MLvJ6/l49GGz2Xntm5nd2ddOZndthmEYICIiIiIiU9itHoCIiIiIaDBhwSYiIiIiMhELNhERERGRiViwiWiAjRs3YsyYMZg7dy4A4NZbb8Xbb78NADh69CjWrVuHt95... | [
"f(t) decreases by 1",
"f(t) decreases by 3",
"f(t) decreases by 2",
"f(t) increases by 2"
] | null | 2 |
math | kindergarten | subtraction-sentences-up-to-5-what-does-the-model-show | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAAAyCAYAAAAZUZThAAAK4klEQVR4nO2de1BbVR7HP4FCAiShUB4RaqlYSqnutPXBjuuudcUO3elup6+ZZbQz1j9WZ3RcXcfVWh1XnXHGYX3sdnbty7HWka3dPmyxdtSiLWO1C/KqRSjQB48QUx6BPMgDaNg/IIGQhCQQSG7mfv5p77nnnPv7Tr6/e889596LZGRkZAQRERGPRIU6ABGRcEZMEBGRKRATRERkCsQEEQjNl6+FOgQ3phOT0HTMm8M4RKbJhyVHOV9Zwz35d7Dt4c2hDgeYXkxC1CF... | [
"4 − 3 = 1",
"3 − 2 = 1",
"4 − 1 = 3",
"4 − 2 = 2"
] | null | 3 |
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 | [
"iVBORw0KGgoAAAANSUhEUgAAAIYAAAD+CAYAAAD/CH09AAAEEklEQVR4nO3dMW5cZRSA0TvGoUCiQHIKNkBYABWKRRpYCVsIi2BHgSJBhrCFhA0gkbhKRRxlKDyDLPSR0u+XfE7lkYs7lj/d6l293dO/rvbPL9/NzMxu9jOzG+6i/exnN7OfeXh2Oqe/X767kYIo7q7d9X9/N/Pb5bs5Pe6ILz89mfP79+bsY3HcRa/f7ufi1dW8ePN+9jNzcsxAFHfb2ce7Ob9/7/rDfubk5i+4244N7HY3woCbhEESBkkYJGGQhEESBkkYJGG... | 0 |
math | pre-k | addition-sentences-up-to-10-which-model-matches | true | false | Which shows 5+4=9? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdoAAABKCAYAAAAc9ZVYAAANrklEQVR4nO3dTYwb533H8e+88WXJ1VpavdmSI61kq1EqV6jQVMmhgFPIvuWSxEAOCXppL24RwBf3lmNgoKe2aIG2QC45BDn0kqAFEjgwmlvSNoHt2G5qxZIjS9VK2rV3l++cmaeHWWpftFpyyHnI2fHvAwgrieQMv8bIf3JmOHSMMeZuD663YCOC0CAiIiJj8h2Y9+DZOThRAudu15hfrM/6aYmIiBTP1UPgv99K/vBkCX6vlkxhERERGc9GBL9pwv/14H9b4K6... | 1 |
math | grade-6 | identify-complementary-supplementary-vertical-adjacent-and-congruent-angles | false | true | Which angle is complementary to \angle{4}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADKCAYAAACfUje8AAAmuElEQVR4nO3df1RUd37/8RewhEJcwF1M0mAWLJxuW2LUXbOBr+4OEKpAJAwRajyWMmIT96TbCJrdPT3dCthut2ldHXe7SY5GHI61ux7wMIQsAynB4UQLcTkrCUtPswsVG8zZBM5mhkYooQPfP1wmYvzBj4E7A8/HX2buzJ33nOMfr3z8fF43aGJiYkIAAAAAfCJ4ph+wWq2qqqqaj1kAAACAgDfjgJ2amiqLxaJ7771XL7744nzMBAAAAASsoNlsEYmOjpbb7ZYkxcf... | [
"\\angle{5}",
"\\angle{2}",
"\\angle{1}",
"\\angle{3}"
] | null | 0 |
math | algebra-2 | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the range of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABoUklEQVR4nO39e3hU533v/X9GM6PzEQkkIZAwYLDBCAMGm5MPwbEd23ECaYKTncTu4+zUadwc+vyyn7RPkjapf27aHLrjOtmp2zR2urObxo3t1GCZYBsbImwwMggQNsgCdEDofJrzmsN6/iCSEUcJ1s1o4P26rlyOhrU++mrdM/d85541a1y2bdsCAAAA4Ii0ZBcAAAAAXE5osAEAAAAH0WADAAAADqLBBjBKRUWFtm/fPvLzkSNHNHnyZDU3NyexKgAAUgcNNoBRqqu... | [
"$\\{y \\mid y \\geq 1\\}$",
"all real numbers",
"$\\{y \\mid y<1\\}$",
"$\\{y \\mid y>1\\}$"
] | null | 3 |
math | grade-3 | am-or-pm | false | true | Jessica is watching a Saturday morning TV show. The clock shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABaCAYAAACCNCH/AAAIo0lEQVR4nO3dT2ybdxkH8Kdtti6D7X2l/UGCsQAHGGKy4TAqMZqxqW0uwI1xibshmlxIuSzOBa5IaB0c1h4g6SmOBOq4kOyAM3Fg0xAdXGyJIZUdMJPY0DbNpquydevMoU3kpk1qu6/tOv18pB4avz8/j336+qfnfX+7ms1mMwAAgEzsHnQDAACwkwjYAACQIQEbAAAyJGADAECGBGwAAMiQgA0AABkSsAEAIEMj7V74r7Vq/P1/f4oLzY962Q9D7Nbdo/Hgnd+K+25... | [
"11:00 A.M.",
"11:00 P.M."
] | null | 0 |
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