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-1 | which-bar-graph-is-correct | true | false |
Grace went to the snack bar and saw one pretzel, nine chocolate-chip cookies, five ice cream cones, and one banana. She made a bar graph of the items she saw. Which is her bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAjYAAAEOCAYAAACad11oAACSl0lEQVR4nOzdd5hdVbn48e/up7fpJTPJpBfSK5BACE0gQZp6L6KIUmz489oVEKMCyr16EREUEUGkqDSB0AwkQCCBJATSe2Yyfc7MnDOnn7PL74/BUS4tQHKGTNbneXicU/Za77s8mfPO2mvvJTmO47TnYVcaEhaYDoIgCIIgCIcFVQK/AqM9UKGD1J5znJf7BjssQRAEQRCED2dOANSd6f4HVTqM9fZXPYIgCIIgCIeDhAXbU9CWhx1pkPvM/hdEUSMIgiAIwuH... | 1 |
math | grade-6 | which-model-represents-the-ratio | true | false | Which model represents the ratio
3
8
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAmUAAABRCAYAAACT+9G1AAAJkklEQVR4nO3d628c1RnH8d/M7H1trzc2NbEKAUJIW6S+4FIglCKKhNQXoEh91T+ziUSp1BcoJQGRkra0qjCJgN5yj9dee3a9l5nTF4spDSX27s7l8fD9SFZieT3nmX0U7S/nnD3rOefczaF0rSftRNLYCQAAACkredJiIJ1qSGsVybs5cO7Dbt5lAQAAfHe9sCSVrvYm3xyvSKebk8QGAACAdO1E0kYo3RhKn/Ykvzue/IBABgAAkJ3FYJK/JGk3kvzoaz8AAAB... | 1 |
math | grade-3 | read-a-thermometer | false | true | What is the temperature? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAZOElEQVR4nO3dQWhkd34n8K8cn9pzqb5MkgkZKMXQp7ibKod4Dj5VGabxKUYFznpPMaUx2cMavJTW3oGBWWdVbMCHwdgq9uiNoYXDHowHrHfyxSHWw5rsIQ1OF0yIs5nLFISxF5ZktIfueq5qSW61+rXqyfl8QND1f6/q/fr25c/v/f5rh4eHhwEAAGrxaF0/dPPmzXzwwQf56KOPcnBwkH/4h3+orv3O7/xOrl69mqeffjrXr1/PlStX6nosAAA0ylodO9hvv/12JpN... | [
"35°F",
"25°F",
"50°F",
"30°F"
] | null | 0 |
math | pre-k | count-pictures-up-to-10 | false | true | How many ducks are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE0CAYAAABZ4EexAABnwUlEQVR4nO3deXhT94Hv/49sLbZkbcgb3rANBrMYmy1ACGEJSbOHtum0SScpuXNzO50mTXLvdH73ttMMmfa209xOCtPpkk4Xk5nsJIgmYUkCFWENDo3AQAwOtsA2WLaEZVmSrf33h0BB8YIXfS3J/ryep88DWo6OkndOvzrL90jC4XAYREREREQ0IUgTvQI0NLPZjOPHj8NisUQfW716NbRaLWpqahK2XpT62BaJwrZIFLZFoky0tiTcg59cHA4HNm/ejHff3Y1Dhw4... | [
"4",
"9",
"5",
"8"
] | null | 1 |
engineer | grade-6 | identify-control-and-experimental-groups | false | true | In this experiment, which were part of a control group? The passage below describes an experiment. Pam wanted to find ways to save water. She learned that people can reuse greywater, which is water that has been used in sinks, tubs, and washing machines. She wondered if her plants would be less healthy if she watered t... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEhCAYAAAAUBJnbAAEAAElEQVR4nOz9WbAkWXrfif3O4ltsd8uszKysrasXdAMgFgLcZ2g0aMwkakTTaEakjJQ4Rpn0xhdptJie9CC90vgkM3GML5JpmZFoI5NMmiExJFYC1SAAAt0AGo1uVHVVZVbletfYfDuLHo4fD4/IezNr7axq1GcWduNGuHu4+zn+nW/5f/9P/MN/+A89X8gX8oV8IZ8j+cf/+B8/l9/VAP+7//3/tv/Ae3/p+w/yffzfe9+/ANq2xXuPcw7n3NZ+QgiUUgghEEIgpex... | [
"the plants watered with tap water",
"the plants watered with greywater"
] | null | 0 |
math | pre-k | one-less-with-pictures-up-to-5 | true | true | Count the party hats in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABBWUlEQVR4nO3dd5xcdb3/8dc5M7PTy/bee8puejYJJY2iQiiC1wbIVW8BEUG5Kna5FhSvBRV/CtKiKEpCMFyBNBJCerJJNsn2vjvbd3an787MOb8/JlnSULxu2Nnl+3w8eDzY2TOn5p3zyfd8z/crqaqqIgiCIAiCIAjCpJCnegcEQRAEQRAEYSYRBbYgCIIgCIIgTCJRYAuCIAiCIAjCJBIFtiAIgiAIgiBMIlFgC4IgCIIgCMIkEgW2IAiCIAiCIEwiUWALgiAIgiA... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAACChklEQVR4nOzddYBc1d3/8fcd95l1d9/IxoWQEEPa4lCeGlb5PX1KW1rqUOrUndL2eVqK1iglCdJCPIEQTzbJuvvurI3Ljt3fH5NsWBKkbZKdLOf1D2Tm7p0r+9k753vvOUcCZARBEARBEARBOCdkWWYoBG1+8EQhIr5tC4IgCAlEJYFZCWUGyNCAhCgMCYIgCIIgCMI5MzQhc8A93VshCIIgCG9tqQVU070RgiAIgiAIgjCTtPrj/83SQIUxfldWEARBEBKFJwr... | 2 |
science | grade-5 | use-evidence-to-classify-animals | true | false | Placental mammals are a group of animals with similar traits. The following traits can be used to identify placental mammals: They give birth to live offspring.
They have fur or hair. Observe the animals and read the descriptions. Select the one animal that has all of the placental mammal traits listed above. Cobras ha... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOz9WaztWWLf933XWv952PMZ77lzTV3VE7ubFEmJkyxRUSTHdgIlgSzHSOxECQLEj35JjCAP1lMAvyRRYAOBgQiBkiCU5UCiLCmWKJLdZLOn6qruGu6tuuMZ9/yfh7VWHq4Q+ObdVYD5/7ztl4N9zv7/sH9njeL7O2vfjiFVDAaDwWAwGAwG/7XINHxcgNj31g7FczAYDAaDwWDwX7dMg7DW2i/7jQwGg8FgMBgM/nRw/qsv/tHf+ndxXIvjGrSIUFL... | 1 |
math | kindergarten | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 5 − 1 = 4? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARIAAABKCAYAAAB3ndsNAAALN0lEQVR4nO3dbUwU+R0H8O/s8/LoAgKKHj6Uo0I9RAWPS4yctabt2TY+xITQU5uLb9rkkta0vdqkiW9srsmpb5r6qrV3sSat+NRYe9ekcq0VhQsg+HCwIojrsYA87hPLPkxfjPsE+zCzM7O7jL/PGx3m6f9N5veb2dnZXYZlWdY6Dzx2AjYf4GVBCCFxaRggVw1UZAElOoCxulm2fTbdwyKELFXb8gCN2clNrNABldlclyGEkHhsPqDPAYzMA/1OQDXr5WZQEyG... | 2 |
science | grade-3 | identify-plants-and-animals | true | false | Select the animal. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADZNklEQVR4nOz9Z6xsW57Yh/123rUrx5PTzS+Hfh2mw/QMhz0ccigGESRtwRJgypYFwaRsy/ZH27D8yTD8yTYMGCBpUxQEUqJEUZwZhhnOcLp7Or1+/eJ9N58cKqedw/KHXXVOnTp17r2vuw3IABdQqKodVviv//qvf17SjwdC3M1CXuHflH9T/ntZRjE8sOEkgLIK3yyl1+V/g7j/pvz3veQVuJtNf4/ji+vyv0Hcf1P+/6FM8TQUF9fURQ/+5//gdxBCIEnSpeu... | 0 |
math | pre-k | ordinal-numbers-up-to-fifth | false | true | The first picture is a moon. Which picture is second? first | "iVBORw0KGgoAAAANSUhEUgAAAaUAAABdCAYAAAAFZHluAAAfqUlEQVR4nO2de1STV9r2r4QkkIQYEAgIiKAiKlg8VUXRUm2hji+KVoXRWo99q9O15sXDHL53Zil2Ou+0Mx76ftOp9qvW2o4dlWpbsSpW0Vaq6HhABREVQU4iiCSEkJCQ5PvjIZFAIAeeJE/I/q3VVUz2s5/N9ce+uPe+971Zer1eDwKBQCAQGADb1QMgEAgEAsEAMSUCgUAgMAaHmZJUo0dUbjPG5ckh1ZAVQgKBQCBYxi5T+vaxBlvvqno1m/NP21HRqkOhTIuV11r... | [
"star",
"rocket",
"moon"
] | null | 2 |
math | kindergarten | represent-numbers-up-to-10 | true | false | Which group has 7 hearts? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAMrklEQVR4nO3dP2yTdx7H8U+ABqmXPwzWHREDpgp3ZHKuQ7qQ/lFZSHUCVwJlI8BcAiNlwB2AkQSyAu52CpUId1K6gGopTBkae6K9IAhDFKrLkEtSpHBFvsG41zQxsf38/P39Huf9WtqE+uH7ra23HedJnpZisVh88Up68lJaeS39UhQAOLGrRWrfKR18V/pTq9TyYq1YnF72PRaAZvdBh7Rr9mXpg65W6S9/KNUIAFxYeS39+LO08Er610tpx/IvpT8gNgBca99... | 0 |
math | grade-2 | read-a-calendar-ii | false | true | What date is 2 days before January 4? | "iVBORw0KGgoAAAANSUhEUgAAAssAAAGvCAYAAACthZgKAABdDUlEQVR4nO3de1iUdf7/8SfDgCgIyNmzeD6fyEyRKLPUzI5um9auu2VHbWvtZ/ll1w5r5pYdrd1st1qzk2ZuippR6oKCSh5REQ+Iioh4QlDkzMzvD2KU4LZBgWHo9bguL3Xue4b3vLnnntd87s99j4vVarWyPxZSE+BcFiIiIiJSC7xDoHM4dL3B0ZXIVXCx7vuflbNHocdIcHEFq9XRNYmIiIg4NxcXsJbBnhho0Qa63ejoiuQKmUhNKA/KmBSURURERGqD1QqYoOd... | [
"January 3",
"January 2"
] | null | 1 |
science | grade-2 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Reptiles have scaly, waterproof skin. Most reptiles live on land. A box turtle is an example of a reptile. Select the reptile below. | "iVBORw0KGgoAAAANSUhEUgAAAtMAAADMCAYAAACx6y9WAAEAAElEQVR4nOy9d7hdVZn4/1lll9NuzU1PgEASWgAp0gQFlCYgKAiCijCDjuioYEFRxoKKI81R1EEZBREbI4ii/EBE6RBIQgstISE9uUluOXW3tdbvj53cLyEBkhjUmTmf57lPcvbZe6+11373Ou9691uEc85lWYa1ljZt2rRp06ZNmzZt2rw2Ukq01og0TV1bkW7Tpk2bNm3atGnTZsuQUiLbinSbNm3atGnTpk2bNluOtRb59+5EmzZt2rRp06ZNmzb/U2kr023atGn... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA4IAAADeCAYAAABorb5wAAEAAElEQVR4nOz9ebAl2V3Y+35Xzpl7ns481amxq3ru1jxgjSCupIuMQICuTZgwjmvCYcAhQibu4+EIwvYL24gbjyHCEgHGtuxnuJaYZEASElJr7JbUU3VVV52qOvOw5zHnYb0/TtNGgFGDS4Dt/EScqDp7Wrlz/zLP/uVa67cEIMnlcrlcLpfL5XJ/bk+MJRcLUFL/qrckl/vTTVO44cJxBDUNXls9vV35K92qXC6Xy+VyuVzuf2B5Epj7666knsYpwCz9r7fniWA... | 0 |
math | algebra-1 | domain-and-range-of-square-root-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABmVUlEQVR4nO39fXSU933n/79Gc6P7e4EkBBLGGGIwwsbGNhhiXFzbtRMnkGbt5DSJe9xtk02abM/Z7snptvm2PT7efLdNepIm2Wx2s7HT0983G28dt8aRCY6xISI2RgaBZBtjGYSE0M1Io9HcXzNzXb8/hGRk7iS4PgwDz8c5HFsjXS+9dV2aa15z6Zq5PI7jOAIAAADgioJcDwAAAABcTSjYAAAAgIso2AAAAICLKNgAZmhqatKePXumPz569KjmzZun3t7eHE4FAED... | [
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y \\leq 1\\}$",
"$\\{y \\mid y \\geq 1\\}$",
"$\\{y \\mid y \\geq 0\\}$"
] | null | 3 |
math | grade-3 | open-and-closed-shapes | false | true | Is this shape open or closed? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAJq0lEQVR4nO3dT2yV153H4W+iWQESrGyywkCyBMyuTIswAkRY4UjQGQUkfDVRWUwIhi4CaauYZmZKFwP2wCyCOuUiDdFUWOr1ikRQjSvIODvfwNI2OCtjVjfSdbaehcsttEmUmbz3j+3n2WHj857lR0fn/b0vLS4uLgYAACjEy+3eAAAArCQCGwAACiSwAQCgQAIbAAAKJLABAKBAAhsAAAoksAEAoEACGwAACiSwAQCgQAIbAAAKJLABAKBAAhsAAAr0N+3eQKer1ev... | [
"closed",
"open"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAf/UlEQVR4nO3de5Ad5X3m8ef0uWrmzIwuMLoAkkAXDEgCLDAbhCGGrLjF2OZicHZjedeupBJ7K6yTOHYVdmoXXNmkdo0pG5ItYwfsWhOn8Ga9WTCwC2swMvGau7gLObIkJI0GjUZzP5fu3j/GR4w0t3PpfvvtPt9PVSplabrf9/fyezXP6dOnT8r3fV8AAAAAEsGJegIAAAAAgkPABwAAABKEgA8AAAAkCAEfAAAASBACPgAAAJAgBHwAAAAgQQj4AAAAQIIQ8AEAAIA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAkcUlEQVR4nO3deZAmdZ3n8U/mc3bVU1V9QPUF3UgfKHY3KCgzNMKIsw3KeAEKuDvirsZMzOjGsM6MoxE6E7tg7M7Erkp47G54oiGME+3OurMgsAsrCOIBcjQ0QtNO20d1V1d3VXXdz5NPZu4f5dNU1/kcmb88nvcrwjDorvxdfPnV88nMJ9Pyfd8XAAAAgFSwLCvqIcSSHfUAAAAAACBsBB8AAAAAqUfwAQAAAJB6BB8AAAAAqUfwAQAAAJB6BB8AAAAAqUfwAQA... | 2 |
science | grade-4 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Birds have feathers, two wings, and a beak.
Birds are warm-blooded. Warm-blooded animals can control their body temperature.
A white stork is an example of a bird. Select the bird below. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOzdedwtR13g/09V792nz/rsd01ucpOQECCsEgkGBA1iZElkkZHNDRmUILgObjiKgoAKIgQUFBwdFJHIMKw/ICHEmAAhCUu2uz/72U/v3VW/P655hkCQJddRMv1+vZ5XnvOcc6qq61TffLv6W3WE1lqXZYlSilqtVqvVarVarfbdSUqJaZqIoih0HdzXarVarVar1Wrf/aSUyDq4r9VqtVqtVqvV7h+UUsj/6EbUarVarVar1Wq1U6cO8Gu1Wq1Wq9Vqtfu... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6cAAADMCAYAAACPx9V0AAEAAElEQVR4nOydd7xkZX3/389z+pk+t+7dCksVBERUIgrBjhpsYM9PxWgs0YjBaExMYkjsUWNX1EiiRmOJSoxKUWkLIogISmf73n6nz+nn+f0xO3fnzs7dXWRT1Hm/XvPaOec852lz7t37mW8TSikVxzFpmjJkyJAhQ4YMGTJkyJDfTKSU6LrOzXU4NgM57X97RkOGDKaRwN0tmA6hpMPjip3zcihMhwwZMmTIkCFDhgz5zSdNU+I4HgrTIf/nyWmdL1AAmsm+83I... | 0 |
math | pre-k | tally-marks-up-to-10 | false | true | Count the tally marks. What number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAABBCAYAAACU5+uOAAAIR0lEQVR4nO2dX0xbVRzHv127tEBZSVlSOjCgjLJoIibDDJ50PA7G0xYT0ZiYmPGoxr2pc8YHEx/2CtEHs2QkJiZGNhaf1vngINolY8sWW7JIY+nAUIS1QHGM6wPc/oH23nvu+d3ee9vzeVgybvnee/n2d87v/s655zgkSZIgEAhKcsjsCxAIrIyLSmhjO42F9RjqnF60ebuFnslY/X6trifDHSCxtQim5scxtxbJ/azO2YiBthGcbn0b9a5GZr1wYgKzqTCJXiITxVR... | [
"8",
"7",
"3",
"10"
] | null | 3 |
math | grade-3 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACPCAYAAADAx6xjAAAWWElEQVR4nO3df3BV5Z3H8c853CQ3CSYhECARwRL5IR1gBYKX2oquuAgKdJEKlnHquLba1unautPhRwVBAbe7WrrjdLV12HZZxh9FZ0GFUmwtWktKQAqMgCIREBJifhADSW6Sm3v2j+AT2FoJ5Nz73Hvzfv31fZ7JPc/nD/74zOXccxzP8zwBAAAA8IVrOwAAAACQSijYAAAAgI8o2AAAAICPKNgAAACAjyjYAAAAgI8o2AAAAICPKNgAAACAjwJd+aPV+76lUy0fKze... | [
"no",
"yes"
] | null | 1 |
science | grade-2 | compare-properties-of-objects | false | true | Which property do these two objects have in common? Select the better answer. | "iVBORw0KGgoAAAANSUhEUgAAAWwAAADcCAYAAABUIpt4AACjSUlEQVR4nOz9d5glx3neDf+q00lzJoedmc15F4tARIIkSIrZpChSomUqy6+sYNlyULAlW5ZtydZr2ZZfv/5kWfwsK3y2smSZEkUFRhGMIEAC2AU25zC7k2fOnNipvj86nOo+fSYsFthdYJ7rmjnd1VXVVR3uuvuup6qElFICNJtNrl+/TqVSwXVdNm3TbrcZhkFvby/j4+Pk8/mX9Vybz/+m3WmW9fwLKaVsNBqcO3eOHTt2kM/nMU3zNhd10zYNHMeh2Wxy8eJF9u3... | [
"slippery",
"bendable"
] | null | 0 |
math | pre-k | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFS0lEQVR4nO3cS2+UZRjG8Wta2gWCbozGD6B+BD6FH2kWJLJCV+JKkyEhZdEutJiIuoDAggUkSCjgQBsIbUjL1ITS0knbObwuXokFe5jD8z6H+/n/Nu1kNvfin3l2V60oimJtT1pqS1s9qVsIGNuJmnR6Uvr8pPTptFRb2y2K25uhz4JlZz6UTiy2yw+fTUtfflBWCIxrqyc93pZW96QnbWlis1t+QWRw6fRk2ZQkvelJE719XwAuvW2qU0gTYU9BLggNXhAavCA... | 2 |
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 | [
"iVBORw0KGgoAAAANSUhEUgAAASwAAAEsCAYAAAB5fY51AABZ9ElEQVR4nO2deZhUxdX/v6dub7OxyiICyibIODDTtwcEl4BsyhqNoAbX+OZnzGbUGM2bRJGsZtGYRI3GRIOvMQHN6yzizICCK8L0bVAENxYX9n0Wptdb5/dH9/iOQy/3Dt0MY+rzPPNA9z1V9b3d956uW1XnFKBQKBQKhUKhUCgUCoVCoVAoFAqFQqFQKBQKhUKhUCgUCoVCoVB0FjU1Nb2qqqq+a6dMVVXVIjv21dXVt1VUVBRZta+oqBheXV19VS412bWvqKg... | 1 |
math | grade-5 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAAWoklEQVR4nO3deXhV9YHG8fcuuVnIRkJIWSI7BAIBBa3W0qlW22r79LF2HB071LGOglgXxF07LrXo2KoVF4Rq1drWaqetnbbOY+2MbZ0KRaWyJixhESSGJSELIbnc3DN/4HNyb7hAlnvv79xzvp+/fucC8rYPPM9be9/f8VmWZQkAAABAUvhNBwAAAADchIINAAAAJBEFGwAAAEgiCjYAAACQRBRsAAAAIIko2AAAAEASUbABAACAJKJgo0/WNL6pRe9drFX73jAdBQA... | [
"2 pairs",
"1 pair",
"no pairs"
] | null | 2 |
math | grade-1 | compare-sides-and-corners | true | false | Which shape has more sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAKk0lEQVR4nO3d228U5xkG8GdPs7uzu97FMWuqILVQhZLQhIQEgy+IlIOSC0Si/p1VpF70olKlXlRqAUMBlbRpSIQSRdSmTvAevLM7u3PoxdiEDMEYe+c7vPP87pDB++F5PDvP7DszhTiO440p8LUHDEMgiEFkrXIBaJWAV1xg2QEKG34crw10L4to/i4sAOWvvOQPv3CA3zSS9BPZahgCX46A9SlwzwOKgyD5AsNNErRKSZYBYDsEiuETXyCSYDfLsxgo6l0KUbY... | 0 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFbUlEQVR4nO3dTU/jVhSH8RMI02o6TKUuWnXBsu0XGGnmI8xHH7GYF4KQQiqIlEWoUBZgyDgvtruwZlSJRUl8/b/n2s9vNYhBWNdPTJz4OIOqqqqbtdnfS7OsMNtWBjQ2HJgdH5r98dLstxdmg5tVVZ3ex94sdNnb12bDybL+4vcXZn/9VFcINJUVZuNHs/na7HJpdnC/rb9BZAjp+LBuyszsoTA7KP7zDSCkb01tKrODuJuCviA0SBAaJAgNEoQGCUKDBKFBgtA... | 0 |
math | pre-k | one-more-with-pictures-up-to-10 | true | true | Count the soccer balls in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABS5ElEQVR4nO3dd3zU9f3A8df3di6XyyaDkAUBAiRhC8pSVGQrYF2gIChaQWzRVq2jAtZfLVoVV1vE1TpaB4qCosiWISsBAZkJkITs5Pb8fn9/HDkIJEAggYCf5+OBSu677j73zuftZ0qKoigIgiAIgiAIgtAkVBf7AQRBEARBEAThciISbEEQBEEQBEFoQiLBFgRBEARBEIQmJBJsQRAEQRAEQWhCIsEWBEEQBEEQhCYkEmxBEARBEARBaEIiwRYEQRAEQRCEJiQSbEE... | null | [
"iVBORw0KGgoAAAANSUhEUgAABOwAAAB+CAYAAACXpI7eAACjpklEQVR4nOydd3xUVfqHnzs9M5Nk0guk0iEkhN4CVnoTsSCKKJZ1KdZdK1Ysu6Kuiq77Wxuya1nrWsCugEhvofcESO/T+/39McyQSAIJJBjX83w+MZi5c++Z+97vnHPe877vkQAZgUAgEAgEAoFA0CrIskypGw7YweIDrxhtCwQCgUAgOAUqCcKV0EUPCZrA3ySEw04gEAgEAoFAIGg1Sl0y682/disEAoFAIBD8FhkUAfEaUP3aDREIBAKBQCAQCP6X2G8P/E7... | 0 |
math | grade-8 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{TV} and \line{WY} are parallel lines. Which angles are supplementary angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAhsElEQVR4nO3de1Bc9f3/8dcCQoyxS2giQY0ClgRUXDSKMIayJBqjmITY2jpDuNjajlpS1mm919w61qq1LhJHHWeaDYTpWGtzITTeIEsuRgk4YFJJjEMA0yYEDaApDQjs94/8sj8xwcSwy9nL8zGzf+Qccj6vYHby8s3ZzzG5XC6XAAAAAHhEiNEBAAAAgEBCwQYAAAA8iIINAAAAeBAFGwAAAPAgrxfsxsZGLVu2TN3d3d5eyq22tlY5OTm6+OKLFRERoejoaN1+++1... | [
"\\angle{VUS} and \\angle{TUX}",
"\\angle{VUS} and \\angle{YXU}",
"\\angle{VUS} and \\angle{TUS}",
"\\angle{VUS} and \\angle{WXZ}"
] | null | 2 |
math | grade-6 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAHPklEQVR4nO3dTUwUZxwG8GflYwl12E2gGtgEgknJagP04Jo0wTiIbaxa1NSerIk07UFv9mAvNllrOeitPeCti1IPPZUltpcixErThLXJ4ja40kQqyWL4aANsa1m+pgcLUdiPmZ3d2Zl5n1/CQZ35v8PyPjvjzLt/HAcOHFBkWUYu3L17F4qigPWyrzc4OJiTWoUmy7KpX2fR6hXLsgy/35+TgpcvX4aiKKyno55dcF6Zq962nFQiIlNj0IkEwKATCYBBJxIAg04kAAa... | [
"rotated",
"reflected",
"translated"
] | null | 0 |
math | grade-2 | select-figures-with-a-given-area | true | false | Which shape has an area of 9 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKQAAACGCAYAAABT0SF8AAAC50lEQVR4nO3dT06TURSG8ffrHwYIOtOwAGEJJEYjE92RLsIdqQMxGgfsAHBOnbbQBGxzHXxtYo0w7H2S+/xmTQfnhjw5sx66UkqZ3CU/58lsmSxKpK0Zdcn+MHm+mzzbSbrJbSln09rPkpLjx8noct5/ONhJjh71tUrbMlsm5zfJ1V1yMU8G00X/hTGqhv1h316SXC+TwfKvL6Qa1u39Lsmg7lOkTQYpFIMUikEKxSCFYpBCMUihGKRQDFIoBikUgxSKQQrFIIV... | 0 |
math | grade-2 | interpret-bar-graphs-ii | false | true | Patrick went to a furniture store and saw some couches, beds, and lamps. He made a bar graph of the furniture he saw: Which piece of furniture did he see more of, couches or beds? | "iVBORw0KGgoAAAANSUhEUgAAAesAAAFfCAYAAABuqOTCAABeGklEQVR4nO3dd5ycdb33/9fVppdt2d1sOilAgBAMHSOh40EFUUHkcAMHBeRGFG4Lxx8Hy/HcikeOFBEBj0bugyCWgEGUYgyhBoikkYQEUje7SbZNL1f9/THLJpG03Wx2rk0+z8djH+zMXDPXZy42855vub6X4nmehxBCCCF8S612AUIIIYTYMwlrIYQQwuckrIUQQgifk7AWQgghfE7CWgghhPA5CWshhBDC5ySshRBCCJ+TsBZCCCF8TsJaCCGE8DkJayGEEMLnJKy... | [
" couches",
" beds"
] | null | 1 |
math | precalculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 9,9)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACL4klEQVR4nOzdeXwU9f0/8Nde2c19k4SEhDtACIFwXwKCaMULlIJaj9baarXWXr/267ff9ltr/drWo55VW8/W1oq3YECQ0yBXgEDCFQLkvjbZbPae3Z35/RGTErkSmE8mm7yej4cPzGbnva/M7M6+97OfmdEpiqKAiIiIiIhUodc6ABERERFRf8IGm4iIiIhIRWywiYiIiIhUxAabiLrYuHEjhg4diiVLlgAArr32WnzwwQdnva/f78eMGTOwY8eO3oxIRETUp+l4kCM... | [
"no",
"yes"
] | null | 0 |
math | grade-7 | parts-of-a-circle | false | true | What is B? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAkx0lEQVR4nO3deVxVdeL/8fflApfdXUTcENIUc8NcU3FBs8VM23Pap35TzddqzMq2aUqb1hmnfcbKsb2pyTRzS8Fdcwc1UVFRQVDEBRSRezm/P9DjRTRzXM65l9fz8fDR+XzuufImzx9vPnzuOQ7DMAwBAAAA8AsBVgcAAAAAcP5Q8AEAAAA/QsEHAAAA/EiAw+FQWlpalRe6d++umJiYKvPbtm2Tw+HQ+++/r/Hjx8vhcMjtdl/woDfccIP69+9/Tn/H0qVL5XA4Kv2... | [
"chord",
"center",
"diameter"
] | null | 1 |
science | grade-8 | identify-rocks-and-minerals | false | true | Calcite has the following properties:
fixed crystal structure
solid
non-metallic luster
not made by organisms
found in nature
made of a pure substance called calcium carbonate Is calcite a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACc+ElEQVR4nOz917dt2ZHeif2mW2ttc9x16YGCq0IVy9C2REpkd2tQ3dLQ0OgHveldf4H+Kz3okWqx2S11sZusJllVKIMCEshMpL3m3OO2W246PcRce597M5EAeTNBgDqBkbjunH22mTEj4osvvlA558yd3dmdfaHp/9hP4M7u7NfZ7hzkzu7sS+zOQe7szr7E7hzkzu7sS+zOQe7szr7E7hzkzu7sS+zOQe7szr7E7hzkzu7sS+zOQe7szr7E7hzkzu7sS+zOQe7szr7... | [
"mineral",
"rock"
] | null | 0 |
science | grade-4 | compare-strengths-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | "iVBORw0KGgoAAAANSUhEUgAAArwAAABfCAYAAAAK9RRGAAAOZUlEQVR4nO3df2xU9ZrH8c+ZaYeBTm8dKJUWI6htZSW6q4iVhstivRqgEBvTStXNheBmuagkIj+UVUxukF0wKCByUeLSiKCwlMKu3a67EkFWXIvllzH+WGr42RYMaEtYOpTOzP5BOmuFS1s80zPnO+9X0qRz5pzveU77fJ/z9MzpjBWNRqMCAAAADOVxOgAAAAAgnmh4kdBKSkpkWVanr4EDB+r+++/Xrl27ejTWV199Jcuy9Omnn/Y4jnA4rBdffFEej0fLly/v8fY... | [
"The magnetic force is weaker in Pair 2.",
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is weaker in Pair 1."
] | null | 2 |
math | algebra-1 | linear-functions-over-unit-intervals | false | true | How does f(x) change over the interval from x=2 to x=3? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABs/klEQVR4nO39e3RT570n/r919d2WsY1vYBMCGGxsghOScHFCDmmSE9KcQpoh7Tpt05XTM+npfc2cWf11Ol1zejJZPdOm/TYnyel0ptMkM53plFWSnkAMJQECNQ0GBwy+4jhgWzayLVuWdd17S3v//jAyNtgg2ftBkv1+/cOyrP3xh/1IWx89+uh5DJqmaSAiIiIiIl0Y450AEREREdFCwgKbiIiIiEhHLLCJiIiIiHTEApuIpjly5AhWrFiBnTt3AgA+/elP46233pr... | [
"f(x) increases by 200%",
"f(x) increases by 3",
"f(x) decreases by a factor of 3",
"f(x) decreases by 3"
] | null | 1 |
math | grade-8 | apply-addition-and-subtraction-rules | false | true | The number line shows an unknown number, z. Is 1+z positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAF7ElEQVR4nO3dT2iTZwDH8d+bmLddajcL1o1KnbDBWJGVYhtbqUNwO4mHOHuQseBhiEpPuzh2n+BtiMIE2SGjRZnEgeBlekjLoEltu26Z3WVTLK1irZ2Y2iZpkh1qYoP9x0zyJM33c8r75D384E3SH0+f93mtdDqdFlDGent7ZVmWjh49ajoKioRrDgAoZZtMBwBe1/j4uOkIKDKuOQCglK27YCcSCQ0NDSkUCmnbtm3MHAEACs4/mdSPE0mNPktJkpprHfJtd+qLBqf... | [
"positive",
"negative"
] | null | 0 |
math | kindergarten | curved-parts | true | false | Which shape has a curved part? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFIklEQVR4nO3dP28cVRSG8bPrP4LECR1RPgAg6Kjc8Xlo+SqIYBdxRUThNpGSxi4jxYpEZxRC4Q6PFcur3fUae+feSzGKBEWCd3fmPXdmnl+VyHL2aPzIWR/v3hmklNLpjdmfM7NJMCuTAStbH5jdWzP74o7Zg02zwel1Skdj77HQZdv3zdbfzqq/PNw0++puVSGwqkkwe3Np9teN2R8zs+G4rD5AZKjTvbWqKTOzaTAbhn99AKjT+6bmyWzoOwr6gtAgQWiQIDR... | 1 |
math | grade-5 | multiply-unit-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 3×
1
2
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHoAAACOCAYAAAD+WhzrAAADfUlEQVR4nO3ZzWoTYQCF4TPpD3RqFaH4s0o3KrRbwWWzEdx4CUKbeyhdCVP0Oppeg9JVN0mXrroq+FPJrIxYEFoTau3wuRgjLlW+6dCc99mkIfDNkDeFkJOEEMLgXPowkk4L6SIIE2A6kRampHupdHtWSgbfQ3hzUvdtoUqPrkvT70flk7uz0oP58lOAq++0kN4OpU/n0ruR1Di5KF8g8mRZmCqbStK3QmoUf7yAyTJu+iNIjXpvBZeF0CYIbYLQJghtgtAmCG2... | 1 |
math | pre-k | count-corners | true | false | Which shape has 5 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEvUlEQVR4nO3dvW4dVRSG4e8c/xQhMR2ICwAuIW2uDCEhOZKLFAhCAaJAFAgaoECUKa007iyFuLJi+9iyibGPf3I8ezbFKGgC2LLjmbXX7P0+VaxIx7t4tRRF8ZdRjDFOZtLGqXQcpCoKuLX5kXRvTvrwjvT+ojSavIrx6VHqZyFn95ek+eenzRcfLEofv9NUCNzWcZCenUg7M+mPU2l8VDW/QWTo0r25pilJmgZpHFq/AXTpdVMXURqnfQpKQWgwQWgwQWgwQWg... | 1 |
math | grade-3 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAAWmElEQVR4nO3da3BV9bnH8d/KzoVoCCQQgqDGE4eDYzocROO0USRFUrDxQgQsetpIDQn1CIFAogVRroNwgpqSCJg4CkiRdk8BbePEAYJpSGgGGWVsHCiKoCCX5mLYuRByWecFVuvxBtlrZ+3L9/M6e69n8uo7/3nWfxumaZoCAAAAYIkguwcAAAAA/AmBDQAAAFiIwAYAAAAsRGADAAAAFiKwAQAAAAsR2AAAAICFCGwAAADAQgQ2AAAAYCECG9/K5XIpJydH0dHR+vv... | [
"right",
"obtuse",
"acute"
] | null | 2 |
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/t0lAAAjR0lEQVR4nO3de3CU5d3/8U8CQhI3IYKBHFiESVYoj8RAooVEYmM7QJC1HupPqq2jHZDQsSh2qqhThyr0SX2kVgUadOoxtHQa+WlhOIwKIZAfh2aRBpUwoRJIFpJwSkjIAZbs7w8etwmQlOCVvTeb9+sv7vta9/u95I98cnHd1x3i9Xq9AgAAAGBEqNUNAAAAAMGEgA0AAAAYRMAGAAAADCJgAwAAAAYRsAEAAACDCNgAAACAQQRsAAAAwKCACtgtLS1qaWmxug0AAAD... | [
"negative trend",
"no trend",
"positive trend"
] | null | 1 |
math | grade-2 | fractions-of-a-group | false | true | What fraction of the shapes are circles? | "iVBORw0KGgoAAAANSUhEUgAAAbwAAABKCAYAAADADOFvAAANpklEQVR4nO2dzW8bxxmHf9qlSHFJauWQ+lZM2ymUUAaUAo6b5uAivQTptW6OPbvnBOjFDtBDfE3ao/6EAnXOyTW+OocYiAkLjmsq+rQoS8uPlUhxVz3QpC03jobcmZ3Z2fc5BVHInXmCd1/u7vxmR05OTk5AEARBEJpjyB4AQRAEQYQBNTyCIAgiFlDDIwiCIGJBQvYAiMFwynUAQMftAAASVvd/oV3KSRuTipAngiBehRqeojQrLva+38dBuYbGExfeocf0OTNtInv... | [
"2/6",
"4/6",
"1/6",
"4/8"
] | null | 0 |
science | grade-5 | identify-mammals-birds-fish-reptiles-and-amphibians | true | false | Select the reptile. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADpOUlEQVR4nOz9x69tW5beif2mWWb7fez19/kXPi1ZrKRJogyrCiwIkCBIDUEodiRB+kvUVVcQIEit6qh6UlURxRKTRSZNJpk2/IuI9961x+6z/TLTqTHnWvvcyEhWZjw2SkBu4CLi3XvOPvusNdaYY3zj+74hfn8VwtdGMFH81euvXv+TfG0c/GgHb1s40vC35/Hv5V8F7l+9/qf+mij42ij+/607/L38q8D9q9f/P7y6ODXh8Hf6F33hf/n//D8TsAghUEIBEm9... | 2 |
math | algebra-2 | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAAFGCAYAAAAFAHYEAAAowUlEQVR4nO3de3BUZZ4+8OecTl8S+gI9AQowkJKOTOIGHCIdonFL+M201K7W1mx5ibPq7CQ648YFmZnS0S2mkmFdtnpgqRGBVUonZc1sdkBmdHDKEq0VJi7m0k4WhCRqkiUDEpYkNLk0ycnpy/n9EXNMoDtwQp++JM+nSpPz7ZPzvh2SJ++5voKiKMr/yUDHMDAUBkIKiIhoggwBsBmAvCxgoQkQ/m9UUZoGk90tIqL0UGwHMtqHxxYWmYAVc8ZSlYiIvjIUBj6... | 0 |
math | grade-3 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABxCAYAAABLCoREAAAF7UlEQVR4nO2dTWxUVRiGnyF0pkKxBBe1hAhKKjulsZoYBacLk4opGU3EBZIWRCUxNTRhQTBKYcGKBIFNTUhtFyARF0CjVCOh/ISgQqgRYxCVwYQZmkgccovptAnjYjq3JZ2595zbM5G553s2/UnvzbnvfOf9fmbSE8nlcjkEY8z6vxcQNkTQEqTSyUDXiaAl6O7p4uLlQe3rZptfSuXjOBkGzx0jPXyDpsa41rWeERo07Cud4yf6cEYyXLw8qB2lnoJu7IhbKeoPl06... | [
"yes",
"no"
] | null | 0 |
math | grade-8 | perimeter-and-area-changes-in-scale | false | true | Look at this circle: If the radius is tripled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAADAAAAAUCAYAAADLP76nAAACUUlEQVR4nO2WX0jTURiGn/3YCHMrW5uxnDg204tRC3NFKcm8CNmwIULLmBJGBAWJsZItRYsutJsoLZG6zMAkwQwNrKmRSZlglkhSSZCF/UFhmqDMdSENDkYIDoawBw4HvvOd9/veczhwZIOLSyHWMVK0G1grMQPRJmYg2kTUwOLCAreqKrEqJN4PD4fjbbebcO4wkqtV4y1yEZiZiVhNecSUAPfePXwaHRVin8fHqT1zGvc5D47iEo5lWNClGDhbWxeRmtLfwg5DMp7... | [
"The new area will be 9 times the old area.",
"The new area will be 4 times the old area.",
"The new area will be 3 times the old area.",
"The new area will be 27 times the old area."
] | null | 0 |
math | pre-k | tall-and-short | true | false |
Which stoplight is shorter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAADqCAYAAABOZAByAAAJuUlEQVR4nO3dW4xUdx3A8e85c9mdy87uDrssuNNCuUMKD00Qaq2t0Yb2gTStPnh5kQatmrTFhKYmWlqTJkUTE7WJiS9aNaS1gVZbIRVLgq0xu6DGCC6hOy0khbLLsreZ2ZnZc2bP34ezM3RhKdCyc36d/X2Sye7c4Ee+Of85c+aCZYwxAw5ki5CfgopBBShsQUsIVsahKwrWwKQxR3JBj6VmsykF4f6if2ZxFFYn/HoqOPkpODkB5xx4uwh2ruJfoXFkaAn5LQA... | 0 |
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/t0lAAApS0lEQVR4nO3df3TU1Z3/8VcCIb8myRQ6+TWSxBPppNhKIJMUwzlRyh4QJVi6X2vPajm6RxTtWSrd08r2uB5a0RO7um79QaHtVgrYtUcW24WjqFUBZYGQQVyrTA60JuhAJkGdMEnILzLfPyhTQn6QwM18ZibPx1/M5455vy94Mq/c3M/9JIRCoZAAAAAAGJFodQMAAABAPCFgAwAAAAYRsAEAAACDCNgAAACAQQRsAAAAwCACNgAAAGAQARsAAAAwKKoCdmdnpzo7O61... | [
"positive trend",
"negative trend",
"no trend"
] | null | 2 |
math | pre-k | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAACdUlEQVR4nO3UO2pVURSA4XVvHkV8VSqWFuoQHJjjcGLOwAdYGrFLNGDM5VgcBHvDfyB+X7U3u1ir+Nm7ZVmW8+uZT1czl4eZm2Xgnx3vZh4czbw4m3l6OrM7/7ks7y62Xou77PXDmeOPV+vl2enMq3trhfCvLg8z73/MfLme+XA1s7+4WR9Exm16cLQ2NTPz/TCzP/z1ALfpT1O/lpn9tqvwvxAaCaGREBoJoZEQGgmhkRAaCaGREBoJoZE43nL457ffthz/33n... | 1 |
math | grade-4 | compare-fractions-with-like-numerators-or-denominators-using-models | false | true | Which fraction is less? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAA5CElEQVR4nO3dfVTU95k3/jcStyoeB2+T+PCLGSao7MkmPHTvblYlwhzjQ5JyB2gjMQGBo+6CaZYhDFVoLMPaigngjGkj2BB50CaiewMuJE2M1q86YtLcXQfZPScaJpnRHoWtpkOPiGt4+P0x+X4DiDAP35lhhvfrL4GZz/czOVdPLz5cn+sKGhwcHAQREREREcliiq83QEREREQUSJhgExERERHJiAk2EREREZGMmGATEREREcloUibYL7zwAoKCghAUFASr1err7ZA... | [
"4/12",
"9/12"
] | null | 0 |
math | grade-3 | which-picture-shows-more | true | false | Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAesAAACYCAYAAADEMsF6AACQ3UlEQVR4nOy9d5hdV3X3/zn19jK9d2mkUe9dtlVs426DcSP0bghJSN7kfRNCTULySwikQgIhAYwhBlNs4yJ3SZZkdY1mJI2m93an3H7vqb8/7sy1TJWMixKfz/PomZFmdO/ZZ9911t5rf9dagm3b9pgGXSmIm2DYODg4ODg4OLyByAIEJFjohTIVhLGsbR+OvdGX5eDg4ODg4PDL2BgEuTOV+0uFCot8OU/u4ODg4ODg8MYRN6EjCaManE+BGDNyP3ActYODg4O... | 1 |
math | grade-3 | compare-fractions-in-recipes | false | true | Does this recipe call for more yogurt-covered raisins or yogurt-covered almonds? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFwCAYAAACCdAwbAAB96UlEQVR4nO3de1yO9/8H8Nd9d3eikpKchq3MhsrUHNJSiZB+c5yhbdGInDIZX4dpDps5JBYytI2NHL8s5/MoQggtUeTQSWcVne66fn+0rq9bZ7tvxV7Px8Pj8b3v6/p8rs911b697s/9vj6XRBAEAX8TBAElJSWQy+XiP6lUCnV1dchkMqipqUEikYCI3iyCIKC4uBhyuRxFRUUoKSmBTCYT/0mlUv63T0REVEOSsoBdUlKC4uJiFBUVoaioCOrq6tDW1uYfVaJ/IUE... | [
"yogurt-covered almonds",
"yogurt-covered raisins"
] | null | 0 |
science | grade-4 | use-scientific-names-to-classify-organisms | true | true | This organism is a southern crowned pigeon. Its scientific name is Goura scheepmakeri. Select the organism in the same genus as the southern crowned pigeon. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOydd7hcVbn/P7vv6TOnl5z03gihSi+CgIggXBG8iIqioqKgKHhVLmJHAeEiKoJUAVERwQaIQBJKQoAkpPd2cnqZuutavz8mmcuBAAFz5Xe5+/M8eXJmZs/aa+219p53vev7vkuRUsogCBBCEBERERERERERERHxvxNVVdF1HcX3fRkZ9xERERERERERERH/+1FVFTUy7iMiIiIiIiIiIiLeGQghUN/uSkRERERERERERERE7D0iAz8iIiIiIiIiIiLiHUR... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOydd7gmZX3+P0+ZmbedfvZsL+zC0qsgKIICaoAosWCPotgitp/EgiZqUKNGjKgEYxcsEYMJGtREsCCdpbl0FliW7eX087aZecrvj2fOC0tdlGhi3vu69tpT5p36zJy5n/v+3l/hvffGGJxzdNFFF1100UUXXXTRRRf/OyGlRGuNEOKPvStddPGEkF0S2kUXXXTRRRdddNFFF//74ZzDGPPH3o0uutgl6C4J7aKLLrrooosuuuiiiz8NOOe4fsqzZxV... | 2 |
math | grade-8 | parts-of-a-circle | false | true | What is E? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADJCAYAAABWm0bCAAAoTUlEQVR4nO3deVxVdeLG8efCZRcVcUUFXBAFcd9xrbSsKTUtS9tmnGmm1fo1Wjato5NN5TQ1NS3qaE6L2qLWZLYo4kZZoYKSKJorGAouiGwX7u8P4wiBpLKccy+f9+vFq3POPcuDnj8ev33PuTan0+kUAAAAALfgYXYAAAAAADWHgg8AAAC4EQo+AAAA4EY8bDab1q5dW+GDQYMGqVWrVhW279u3TzabTa+//rrmzZsnm80mh8NR60EnTJigK664olrn+Oabb2Sz2c7... | [
"radius",
"center",
"chord"
] | null | 1 |
math | grade-4 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAF4AAABsCAYAAADjYAXIAAALQklEQVR4nO2de1TUZRrHPz9AQLkmbg2Vi8ttUeQMokfEFbA2Md1O6NldkSzR7u05KdopbcNrtpm7LuBWXrJE84LtaRt3s9TqCNg5JSsCCxiKIF4OgwUJAgpDzbt/IONwGZiB31zU3+evmWF+7/vMl3ee9/097/O8IwkhBAo2x8neBtyp3PbCa7XV9jahV25r4bXaapa/MtveZvSKQfimpgb2Z2fw2cGdnDlTZEeT5ENbU01FRREZ6UvsbUoPXDofeHn5ArDu9QWGP4a... | [
"yes",
"no"
] | null | 1 |
math | grade-2 | which-picture-shows-more-up-to-5-dollars | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlYAAACYCAYAAAAm2KfyAABgRUlEQVR4nO3dd5TkV3nn//c3Vq7qrs45d0/Oo0nSKM0oIQEWSQkJjDFe1iZ5vV7WgBO2d3+767TeXRMMApskQCAJCaUZaUbS5NyTe6ZzrO7Kub7p90f1NMgR4R4FuK9zONLQQXW/U+f0p+997vNIjuM40yW4lIO0BaaDIAiCIAiC8DNQJQgo0OOFOh2k6aLjHEq90S9LEARBEAThrW1TENSBXPkPDTr0+cqpSxAEQRAEQfi3pS24kIWpElzMgZwyyx8QoUoQBEE... | 0 |
math | grade-4 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines perpendicular? | "iVBORw0KGgoAAAANSUhEUgAAAGsAAABrCAYAAABwv3wMAAAJ9UlEQVR4nO2da0xUZxqAnwEZwWUQ71y8QEEYqAg2wgADY4xps382Idttso1uumu2m6rb2t1suia1SX+0ezGb3Swmarq71T9Nm21cbf2x1a3byDADw6BCYWEGZkRRBtCKyiBXYfbHYQ6XlosKnPPN4flDwjdzePXJd773vOd879EFAoEAiwhBmNIBLDJ7VC2ru7tP6RBUhaplvXX4YxxOj9JhqAZVy/L7+3jtjX/g8XYqHYoqULWsKzXX6ekZ4Of7Plg8JaJyWY8eDQP... | [
"yes",
"no"
] | null | 0 |
math | kindergarten | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 2 − 1 = 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABKCAYAAACiqlhpAAANd0lEQVR4nO2dSXAbV3rHf9h3gCAl7tTGaLGWiKS2kSVHkqvGKmmWlMeaVGKlppxFqUoql1xyyGEOc8tUqnLIxc5UKr6oZlJlJ5kZe2xV4qk49kS2FtKJhlppUSJlEtwAASD2LYcmAIJsECQIsCHN97uQeP369fv31//u1+91v9blcrmcLwkjUQhnIJ1DEIQ6YdSBywA77dBmBp0vkctdC2ldLUH4zeOYG4wPosqPDjPsdijuFAShPoQzcC8Ck0m4HwV9KK0sEPM... | 1 |
math | grade-5 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAF0AAABuCAYAAABFnx/AAAAJZUlEQVR4nO2de0yUVxrGfx+XQRRYofXCYIwu0OIFXXALmqxirFq81E21aQa3NWgq7qobrS5t3Vh3t5dYbb3fA14wdJGaRdZ4gcW1C+uuWAW3obqJYpdGoaVGrMzIyMDM7B/DDMPAcNGZ+eZ8zi8xIUOYeX18PZzznOecTzKbzWZ8eBQ/uQt4GhFa9Lo7DXKX8FgILXrWziIqyqvlLqPPBMhdwOOibdRzpuAy39feZ8LEGLnL6RPCdvrRA38HoPJStXDDjLCil5VU2b7... | [
"no",
"yes"
] | null | 0 |
math | grade-8 | quadrants-and-axes | false | true | Which point is in Quadrant I? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AAA8JElEQVR4nO3dfXRU9aH/+88kQ0Im5AkCJIEQtSJqCAgo8hQqRXpQLD5yLEvbWj3+qnf1anv9dV2Xtd4eW1medX6cKj6sHs/pktOf9LjkYj2l4EEBIQYRAwIBghewBjAkJCHPTGYm83D/CBMDJDCj3509O7xfa7GWs2ey8+m3k70/853vzHZFIpGIAAAAABiRZHcAAAAAYDChYAMAAAAGUbABAAAAgyjYwCVu7ty5euedd3pu/+Uvf9E111yjcDhsXygAAByMgg1c4iZ... | [
"K",
"J",
"L",
"M"
] | null | 0 |
math | grade-6 | classify-triangles | false | true | Is this triangle isosceles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACUCAYAAACp1l47AAAg00lEQVR4nO3de1TVZf728fdmgxtUhAAdKokJjK35Y8Zn4tdastaTMTHT4G+5nJwca5wcxdSsscN0spoZO4BamicUxwZpGg/PPB3GCCaZtBwlpTgLIYpGUpqhoSAHN6e9nz9UnphtjYfN/u4N12ut1iq4+X4v7J/Le937c5scDocDERERERFxCR+jA4iIiIiI9CW+RgcQ8USVlZWUlpZSVlZGcXExxcXFjBs3juzsbKOjiYiIiIdTwZZ+r6ioiLKyMvbu3UthYSHl5eW... | [
"no",
"yes"
] | null | 0 |
math | grade-1 | compare-money-amounts | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAo0AAACuCAYAAABTCjf8AADAlklEQVR4nOy9dZxd53ng/z14mYYZNCDNiJksgyyZHXASJ3Ya2rahTZM2v25py7ubtNtt0m6bbZqkaRwm2zGjLFm2xcyjYaY7l/nQ748zc22FbDl2bEf3+/n4Mx7NzL3nfe9z3uc5DwqWZVlTBejLQNIA3aJEiRIlSpQoUaLEFY4sgE+CDjdUqyBM5S3rUOKNvqwSJUqUKFGiRIkSb1Y2+kHuzdjf1Kqw2GNblCVKlChRokSJEiWubJIG9KRhsgAXMyAmdPsHJYO... | 0 |
math | grade-7 | interpret-circle-graphs | false | true | Hamilton County has several major hospitals, all of which keep meticulous records of how many patients are treated. Which city's hospital treats more patients? | "iVBORw0KGgoAAAANSUhEUgAAAbQAAADsCAYAAAAcnlNoAABJnUlEQVR4nO3dd3RU1drH8e+Zkkx6L5CEkkCAhF4UQS8gVQQV5QJyX8SGgthBRVHEChawICp6vdeCCgKCBZGLggXpEpASOiEECCGE9Doz+/1jIBoJkDLJSSbPZ62sBVOfmSTzy9nPPntrSimFEEIIUc8Z9C5ACCGEcAYJNCGEEC5BAk0IIYRLkEATQgjhEiTQRIOSnZ3N0aNH9S7DJeTm5nLkyBHS09P1LkUIQAJN1EEvvPACmqaVfgUEBNCtWzc++OCDCj9GUVERx44... | [
"Lancaster",
"Campbell"
] | null | 1 |
math | grade-2 | symmetry | true | false |
Which picture has symmetry? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAYJklEQVR4nO2dW7BcVZnH/7v7XPucQ0ISEhKESZSLjoQHsApilRBrRKvIyPgYx3mZ0dKqqXEGxwd4ML6YcgpKFGdGZ3RAKUckg46CgCMRNAmGCAIKBIGEnJOQ5NxvfT/dvS/zsE4nfbr3Ze3r6n3y/1WlON37tnrz/b/1rW99e23Nsixrsg68XQGKBqBbIITERI8GjGSBq3LApj5Am6xZ1gsF1c0i5MLjxouAnuMV8WFzH3DNkFAnISQeigbwVhmYqAPHKkCmoIs... | 2 |
math | pre-k | one-less-with-pictures-up-to-10 | true | true | Count the planes in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAA3gUlEQVR4nO3dd5xc5Xn3/88503bKTtletL2prLp2pRUIhBAO4DjYGEx+tnEDbCdx3IhL7MQhwTwxxP1nxw4uPI7t2GCacUwxiCZUkHZVVqu6RdtXW2a2TG/nfv6Y1Uqi2JSVhOF6v168kLQzZ+5z7v3je+65znVrSimFEEIIIYQQYl7o53sAQgghhBBCvJlIwBZCCCGEEGIeScAWQgghhBBiHknAFkIIIYQQYh5JwBZCCCGEEGIeScAWQgghhBBiHknAFkIIIYQQYh5... | null | [
"iVBORw0KGgoAAAANSUhEUgAABCEAAAB+CAYAAAAa5QvPAABvfElEQVR4nO3dd5hcV334//e90/vM9qLtTVqttGqr6iJLso0NxMYYzDfBNBtIgZDQA+GHEyChdwLB2ITYAVxksJ2423JT79Kqbe+9zE6v9/7+mNVIciGyLa0U+/N6Hnu1s3funHvPnPuc8zlNAXSEEEIIIYQQ54Su64wkoCMCwTSkpLYthHiLMirgMkCdHQrNmdcUJAghhBBCCCHEOTMS19kVuNCpEEKIi8sqNxSYwXihEyKEEEIIIcSbSXsk87PYDA2OTC+gEEK... | 2 |
math | grade-5 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAluUlEQVR4nO3daXzU5b338e9MJkMIISEJWwhLgGwgYmspVim0ahWXQ8UFRVFksWrbc1frhkXcEFDUHqv3fV6ntQJaEVFoq7XWWntqK1qtWioVISQsYTNAWEIIIQyTmfsB5EomISGBmbn+M/N5P7p+Scj86osHX7695j+uYDAYFAAAAICwcNteAAAAAIgnBGwAAAAgjAjYAAAAQBgRsAEAAIAwImADAAAAYUTABgAAAMKIgA0AAACEEQE7hmytWaN5KyfqH7vesL0KAAA... | [
"no",
"yes"
] | null | 0 |
math | grade-4 | acute-right-obtuse-and-straight-angles | false | true | Is this angle acute, right, obtuse, or straight? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAALOklEQVR4nO3da3BU9R3G8WezCbmSBCSEayBxuKmI1sLYagW8jbYq0o5UIJaLitdWQCrGC4JoBaQYp15LqaCA1JYRZrTSFhTQFmuqDUSHQmo2BOSSQMiG3YQlyZ6+WFlFko7A7v5zzn4/b7I52dnz5N0zv/nt/7gsy7IEAAAAICISTAcAAAAAnISCDQAAAEQQBVtSna/FdAQAAAA4RNwX7NIKv0YWlZmOAQAAAIeI64L9t397NXxmmfiWJwAAACIl0XQAU5aur9ak4nJ... | [
"acute",
"right",
"straight",
"obtuse"
] | null | 3 |
math | calculus | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABr1UlEQVR4nO3de3xU9Z0//tfcJ/cJCSQBTBC5GUyAIEiAcCm2Xqh+hdZiu91Wy7e79Vut7WO/+310u/31t/Vr/fn9tXZXq67bXSt2v/2tlW/VrUKgKAHSICABAgm3EMmNMEkmyUzmei5zzu+PMJHhIhk4HyaTvJ7/aCY5b945J/OZ13zmc84x6bqug4iIiIiIDGFOdgNERERERGMJAzYRERERkYEYsImIiIiIDMSATUTDVqxYgXfffXf46z/+8Y+4/fbboWla8poiIiJ... | [
"yes",
"no"
] | null | 1 |
math | grade-4 | compare-fractions-in-recipes | false | true | Does this recipe call for more mustard or sugar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFwCAYAAACCdAwbAABnqElEQVR4nO3deVgV1RsH8O/duKyC7IhrmpWCuPDLXVExNZe0LC2XLE1z19Qyl8SFstzIMFGRDE1N0yzMNCVxxx2XcAPFUPZ9v9xlfn8gk1cWBe8V1O/neXye7syZc87M0Nz3nnnnjEQQBAH3CIIAnU4HjUYj/pNKpVAoFJDL5ZDJZJBIJCAiIjI2QRCg1Wqh0WigVquh0+kgl8vFf1KplN9JRFQtSYoDbJ1OB61WC7VaDbVaDYVCATMzM168iIioWhAEAfn5+eJ3lEK... | [
"sugar",
"mustard"
] | null | 0 |
math | pre-k | count-pictures-up-to-5 | false | true | How many tennis rackets are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAACbCAYAAAAX3e8+AAA4CklEQVR4nO3dd5jk2V3f+/f5Ve5QuapzDtPT3TOzWaudnbC7AhG0CshXYIIAAfIjzDXX4oGHZDDhcsEmPPKVLYy5sjEGCwmQBFgCVqudsCttnNHOdPeEjtW5K+fUVb9z/6jZlYRktCtA1dX9fT3P7OxMVfecOs/nj8+cOb9zlNZaI4QQQgghhDgUrM0eQLOYpkmtXufi1RtoDWs7MSK7cbwdbZwcH8QwFOfumsIwDCwWC0qpZg9ZtBDJlxBCCCGaRR2lFXytNbFUjj/... | [
"5",
"3",
"4",
"2"
] | null | 3 |
math | grade-8 | compare-linear-functions-tables-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABWgElEQVR4nO3deXxTddY/8E+SNl1SoFBoKW3pAlMWWYoiLSpUQERUZkZlGUQHdRTHgXEZZRYd8afPjOOCg7s+qIiiI9phBGFYHKsoiqWiAkVpUdJAS2laSkObZk++vz94kiF0Sdqb5Cbp5/16+cKml3NPwum3J+fe3KsQQggQERERRQml3AkQERERBRKbGyIiIooqbG6IiIgoqrC5oZB6/vnnoVAoOv3v5z//udwpesnJyYFCocDGjRtDvu9p06Z5XpcPPvgg5PsnIv8... | [
"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 |
engineer | grade-5 | identify-laboratory-tools | true | false | Select the test tube. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAAGp0lEQVR4nO3Zy6tdZxnH8fdd+3auaVKrvUkFwYo40omK4AUER6FUm0NTUeofoCOHYvEvcOLATpVCSmkHKghCQYQW24lOFCFatFebxpxzmuSke++11+vEuaQ5Ocee3+cz2qOH52HtL2uwSgEAAAAAAAAAAACAD5R63Atw+z311K/PjEaLB1pXP9PV4cFhqHd3tZxppW3UUjZbLZPWaq2tLUst+620f5fa/twN05drnf9hZ2fnxnHfwK0R+gn05JNPTk6duetbk9H... | 0 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADnCAYAAAAkYCFUAAAmRUlEQVR4nO3de3hV9Z3v8c++Zed+Twj3u4KgcjFBwii2ptJgANFELE7bp0ydPnWcTsdatR3Pqcc69dSqp3U6dVrPVI8zWCUBBMJFpbbQEoQQQIQCIrcgEHK/7mRn384fwU0oQbms7LWz9/v1PP7hWmSvb/Cft7/nt9fPEggEAgIAAABgCKvZAwAAAACRJCICu6mpSfPnz1dCQoIWL16ssrIydXV1mT0WAAAAopBloG8ROXjwoIqKivTxxx+fdz0uLk533nmn7r33Xt1... | [
"triangle",
"rectangle",
"circle",
"nonagon"
] | null | 1 |
math | kindergarten | represent-numbers-up-to-20 | true | false |
Which picture shows 9 triangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAgIAAABcCAYAAAAcXt1iAAAG7UlEQVR4nO3dPW9bZQCG4cf5cJHThA5pEIoQZSCV0ooBoYZOsFW06oTSGehWpi6s/AH4Iaxl6j9A3alUCjQlSfOJWpzYNI6dw2Bcuc2nnXPO+z4+97WkcdL43JMf2X6TUpIkyWpD+r0ubbWkZiIAADCgRkrS+LD0YUV6pyyVVneS5EE19GUBAIC8zU1II4/r7U/eLUsXx9orAQAADKatlvSoJq00pN/q0lC12f4CIwAAgME3Ptx+zJek7ZY01Or6AgAAGHydx/z... | 0 |
math | grade-2 | identify-repeated-addition-in-arrays-sums-to-10 | false | true | Which addition statement describes the array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAKkklEQVR4nO3dP2wT5wPG8Sc/sUSK5KMLkMVuMkaKD8ECqhRnCGNjL2VB5RjbDrmqlNV2l04IZ2qZfG03OnDpCMtZjTJR6SWC0ehYEFnIVUqVbvkNwS4hSNHZ750v6PuRrETO/XkfycOjN+f3nWq1WgcCTrlmsznpIQAAAEiS/jfpAQAAAAAfkzODX5gBxGnUbrcnPQQAAIAjmMEGAAAALKJgAwAAABZRsAEAAACLKNgAAACARRRsAAAAwCIKNgAAAGARBRsAAACwiII... | [
"1+1",
"3+3"
] | null | 1 |
math | grade-5 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADpCAYAAAAeakAkAAAoiUlEQVR4nO3dZ3hb93328RsgCELgBEmR4hKHRA1qWMPWsmx5J5EteaVp0uykSZzYjp2kT/v0aa80bdOZpo4dxyPt1aRNEyd24x2n3rJky7JkLVtb4pDEIXEDJEGQBHGeF5SPKJmUCBLAAcHv59XvqAjO7Va5rrvw/5yfzTAMQwAAAAAiwm51AAAAACCRULABAACACKJgAwAAABFEwQYAAAAiiIINAAAARBAFGwAAAIggCjYAAAAQQRRsJJz/PPwX+u72m/T26WetjgI... | [
"no pairs",
"1 pair",
"2 pairs"
] | null | 0 |
math | grade-2 | skip-counting-stories | false | true | Each branch has 5 snails. How many snails are on 3 branches? | "iVBORw0KGgoAAAANSUhEUgAAAVcAAACLCAYAAADVutr4AAAf1ElEQVR4nO3dd1zU9R/A8dcxZU8Dt4iIaCoOBAeKM3MVOdIMzVy5R5llbrKhlQKOnyNnWo4cOUIcSKmhOTI1nAgKigoiiAxZvz9OT09wAHce4Pv5ePB43H3n+8637/vc5/v53kdxOfdCLkIUc35LewCweuAGHUcixPP5Le2Bnq6DEEKI0uilFNfkTAXeu2zptM+a5EzFyzilEEUiOSuKqsjFNeS6EQFnTZ+ZgOHxhsSk6vFfkgHjj1kU9ZRCFInkrHgZilRcZ/xrxpB... | [
"25",
"10",
"21",
"15"
] | null | 3 |
math | algebra-2 | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAAFGCAYAAAAFAHYEAAAm40lEQVR4nO3de1BTZ/4/8HeCEMQkaETcaqNMG3ShpViRIC2dKbaNzrad/bbbVuzWdgv2snRVuh2t7tiBdbvupLpO620r05bt7C5bL73Zy9R2ulq2iiEOq0WwFVjz02oX0MjlKCcJcn5/pETQBDiYExJ5v2YcOJ+cnOcJ4tvnXB+VJEnS/9xAwwWg4yLQJYGIiHoZpQJ0UUByHDAxBlD9zyVJVe3D3S0iosiQpQdG1V/wLlwXA0wf401VIiK6pOMi8N154Ac3cOw... | 1 |
math | grade-2 | identify-multiplication-sentences-for-equal-groups | false | true | Which expression describes the model? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADXCAYAAAAgGib5AAAq4klEQVR4nO3d21bqWNrG8ZcAYeOGjYgIy6o+64vq6+uL6sNaSxAUg+wRSPId+BEzARU0Ibv/b4w1mlhVOnvJk7zMbcq2bVsAAAAAeEILugEAAABAnFBgAwAAAB6iwAYAAAA8RIENAAAAeIgCGwAAAPAQBTYAAADgoUzQDUgq0zRluVzKarWS1WolpmmKZVl7/2z+mYiIpmmSTqdF07S9f9LptGSzWclms6LruqTT6YD/nwKnQ64Af5At4Dgp9sH2j2VZMp/PlZvS5vW... | [
"3×2",
"3×4"
] | null | 1 |
math | pre-k | fewer-more-and-same | false | true | Are there the same number of ladybugs and leaves? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABhHklEQVR4nO3dd3wdV53//9eZ27t677Lca5w4Tpzi9IQECCl0QgjLF7bRNrssS1lYFpaFZen5QYDdBAIhYUlIIJ2QXmzHJe62rN7rla5uL3N+f8iWLUtusWxJ9ufJI4+QO3Nnzsz74cd8fO6Zc5TWWiOEEEIIIYSYEsZ0N0AIIYQQQogziRTYQgghhBBCTCEpsIUQQgghhJhCUmALIYQQQggxhaTAFkIIIYQQYgpJgS2EEEIIIcQUkgJbCCGEEEKIKSQFthBCCCGEEFN... | [
"no",
"yes"
] | null | 0 |
science | grade-6 | compare-magnitudes-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes. | "iVBORw0KGgoAAAANSUhEUgAAAksAAACtCAYAAACgPzu0AAA9jUlEQVR4nO3dd3hUVfoH8O8tUzOTZJJMGiUBAoggRQTEgmUpoohiw8K6q65rA13XvnZli/vTtStYVwTLuuqKrG11KYoiAgoiCIQSIL1NJtNn7r2/P7KJAZPJzOTOPXcm7+d5fJ4Nm9w5c+fMOe895z3ncIqiKCCEEEIIIV3iWReAEEIIIUTPKFgiP3P22WeD47hD/nM6nfjFL36BNWvWxHWtrVu3guM4fPHFF3GXQ5Ik3HXXXeB5Ho899ljcf08ISQ/ffffdz9oko9G... | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | null | 1 |
math | grade-7 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{JL} and \line{MO} are parallel lines. Which angles are alternate exterior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAfr0lEQVR4nO3de3BU5RnH8d8mJJAGTJqqCSGGxYASIRJJAMNlskGtFZSLUEeqAwnTGRRtRTpMoZcxbWcKY63GUrGtCnFGsHIZUpSqgzUbQSBOTkgIGCsQFsgYKBqIFAJBSP+gWQnZhMue7Nnd8/3MMCPn3eQ87zP+8fP1OWcdra2trbKh48ePS5Li4+MtrSNU0T8AAADfIqwuwCrFxcUqLi62uoyQRf8AAAB8c9j1BNvpdMrhcGj//v1WlxKS6B8AAIBvtjzBLikp0YE... | [
"\\angle{MNP} and \\angle{JKN}",
"\\angle{MNP} and \\angle{LKI}",
"\\angle{MNP} and \\angle{JKI}",
"\\angle{MNP} and \\angle{ONK}"
] | null | 1 |
math | algebra-1 | identify-linear-and-exponential-functions-from-graphs | false | true | What type of function does this graph show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAETCAYAAAAMFHHvAAAbM0lEQVR4nO3dX2yc9Zkv8GeMHTs2IWk4duhSmvgUmiwxwlEgJNoKNZVWakqmFZW6qcruRVdC2i5wtRddcYG6oiBWp71qaLeV2tB/0sJWFV0HwaoSQStWDtmO4ioOJ7SV4gRxmti7YAN2bCfxey68Mx4nTjxjv/Y7Y38+N7wePzN5QkaZr3/5vb8nlyRJEgAAQCoasm4AAABWEgEbAABSJGADAECKBGwAAEiRgM2cxsfHY3x8POs2AADqjoDNnPr6+qKvry/rNgAA6o6... | [
"exponential",
"linear"
] | null | 0 |
math | kindergarten | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAANeUlEQVR4nO3deXAUVR4H8G/PlUxmcs0EyEGAJIRwG45wuwreHAKKW4hHrboItaAssFvWelF7aLkinqzKbq2KB64LLofUoqLiARHCFQQCCUgSQpIhJBOSzGQyZ+8fIRYqLND9ul/3zO9TRVEU9u/9Yn9509P9ulsQRVF0BYDj7UBbGAiJIEQ2kwAkGoH8BKCHBRBcflEsaeXdFolmo5MA07H2zj9kWIACW2cKCZGrLQyUe4H6AFDRDhhaQ51/QSEjLCUaOzMFAJ4... | 2 |
math | grade-7 | interpret-graphs-of-proportional-relationships | false | true | Ling's favorite book is about Johnny Appleseed, the American pioneer who planted apple trees all across the country. Inspired by the story, Ling plants an apple seed in her backyard and tends the seed as it slowly grows into a tree. The graph shows the proportional relationship between the age of Ling's apple tree (in ... | "iVBORw0KGgoAAAANSUhEUgAAAioAAAI0CAYAAAAz7AJYAABKkElEQVR4nO3de3hU9b3v8c/kfiEkQIBwDSIVBENEBUQFddsq3lCwVrRcIhVvbbXdbXdbT4/78VJOz7bq8VoPIgTQbo88gpUiWkQFioqAXANyswkhmISEkMxkMjOZy/kjJOQGZEJm1loz79fz+DxmJZN8s5iVvPNba2ZsgUAgIAAAABOKMXoAAACA0yFUAACAaREqAADAtCI+VCZNmqT33nuv6e33339fF154ofx+v3FDAQCADon4UBk9erQKCgqa3p43b56eeOIJxcR... | [
"When Ling's apple tree is 10 years old, it is 20 feet tall.",
"When Ling's apple tree is 20 years old, it is 10 feet tall."
] | null | 1 |
math | pre-k | represent-numbers-up-to-10 | true | false | Which group has 8 circles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAARWklEQVR4nO3db2iV9f/H8deZO5vTbbpNf5pTZ41+/sn+EJHRH2GGXw3pRmjdcEGYBt0MqVsSEUI3kuiG4K1EkeaNsEDFyJUGFZGSRSI17eu2nFPntubO/p+z7fxu6Mb5bTtz87qu9+c6x+cDpCKuz+f9Op/LF+NyXoskk8nkjbj0316pa0gaTAoAfJEbkYpmSA/PkhbkSZEbA8nk2ZjrsQBkuzXFUu7fvbf/44E8afns220EAH7oGpIu9kjX49KlXiknNnj7f1A... | 0 |
math | grade-1 | time-and-clocks-word-problems | true | false |
Greg decided to bake cookies on Saturday morning. He started getting the ingredients out at 9:00. It took 1 hour to make the batter and bake the cookies. What time was it when Greg finished making cookies? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAE3klEQVR4nO3dQWgTaRjG8f8kNZq22WqNu40otLHdhXrQlkiwQSjFgyhLsAcPIoLgwVCqVPAu6EEPIqgnwaM3L3ZVBKViCh5KxZtgG6SXtmmzOtBG0Wwy7x6yCZvNbt1p+RAm7+/S9v2e+TqHh2GakI4lIpItQOYzrJagKCjlWpMFIT/0NMNPAbCyX0WmVr73aSkvif8ATbOfyz9EAvBLS7l1Srm1WoJ3n2CxADOfwbdSLC9oqdRGhPzlDgHkS+Ar/W1BqY2odOg... | 2 |
math | grade-2 | ordinal-numbers-up-to-10th | false | true | The first picture is a boat. Which picture is tenth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAgCklEQVR4nO3de3AU150v8G/3zAiQNRISIoCkgI0lEOL9iDQ3WRtikIIdSO4i2bXg3DJiY0SqrgVb15BcX0jI2rsp22QLiaRsYcdiK2tINpLvbowNK2EWB1d5RJk1Bu7IPGxDdoSMQ1ij4WFrZrrvH60ZzUjz6Jnpnld/P1UuSzM9fQ6/6vObo9OnzxFkWZZBRERERESaEFNdASIiIiKibMIONhERERGRhnTrYH/ulnHPvw1g4VEXPndzFgoRERERGUNcHex/6Xfjpx9... | [
"bucket",
"boat",
"crab"
] | null | 0 |
science | grade-2 | identify-solids-liquids-and-gases | true | false | Select the solid. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAme0lEQVR4nO2de3Bc133fP+fcxz6ABbAACIIUH6FEi7YlUpKlipEfpfyqFcp2Yllxo8qZjlM7Tjy2O+4fnnHiZNJRpk3+6XgmadrYzbid1pMmtjO2rEaJ7YmtSI7lSI4USaQkUyTEJ0C8Fwvs7r33PPrH3XuxAAEJoAjsgrqfmeUuF4u9Zy+++zu/3++c+/uJJyrWHuiCkkNGxqZS1fDiAoyGUHbh7X3x8zITZEa7KDlwoCt+PK8Xn5eZIDPaSaK/yC4+J9szlIy... | 0 |
math | grade-3 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater perimeter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKgAAAB0CAYAAAARt3ngAAAOhElEQVR4nO2dfVBU9cLHPwusrC8Q28NrNDJesatChlKRKVwQlBRRKgmV8CnveJUCXVAMNbFY5fqCJGW8VFpqlDpZmmTO+DSN24wD9w9HbAbnPjBOw9DQo4w8A7rjusI+f2y7A48ob3s4u2d/n390z/mdw3fHzzkuZ8/3/FQWi8Xyxz1oNkJXN9y3IBDIhpcKfDxhyjgIGgOqP0wWy7865Y4lEDxIjC94NRmtL0LGwF/HW+0VCOSiqxv+fQfa7sF/G8Gj8751hZB... | 1 |
math | pre-k | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAOg0lEQVR4nO2dy28b1xWHf/Mm9aAkU7Jsy47TpIlRIAWaIoCbAl0GaIsGaHZZtH9G/42uu2hWLYoi3QRtky6SIkCDokDQJrEtO/G7tuuHLNGWKM2Q8+7izh2+yeFwKHLmnm9ji6Kla/HT5bnnnnuuFIZh+MQBblnAoQ94IQhi7lAlYFkBXlkANnVAemKH4ef1WQ+LIJJzsQKoNy32wWkduLDIrCaIeePQB66bwGMHuGEBct1jnyBpiXlmWWGOAsCRD8h+2ycIYp7... | 1 |
math | grade-8 | identify-congruent-figures | false | true | Are these shapes congruent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEWCAYAAABc2eBcAABJoElEQVR4nO3deViU9fo/8DezwLAJishALiwqgoEmGia5o1KRG2qLmZZLm8elo189VnbOyfx1OnnETqdMc7dOngK3QtQsKzVxF1xwAcSFRQUHZRkZZub3xzCPIC4sM/PM8n5dF9elzzw8z835fsvbu/u+P056vV4PIiIiIiIyCYnYARARERER2RMm2EREREREJsQEm4iIiIjIhJhgExFRo3333XeQyWSQyWSQSCSQSCTC7xcvXix2eEREonDikCMREZnCqFGj8OSTT2L... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | compare-vertices-edges-and-faces | true | false |
Which figure has more edges? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAASjElEQVR4nO2de3iTVZ7HP0mT9JI29JJeArSFOlwHuYyAAwrKOCIWq+gAoqV2ZVV4YPcBHmAVlOIjoi6wLpd1BC8rsKwDoqvLPN1HZLrKWgYsOAQZCkigBAgtbUnpNSTNZf8IyZQ2bdI2t/Z9P//kad7LOe359pz3nPP7/l6Jw+FwVFhA1wT1NrA6EOnFyCQQFwGDYiBVAZIKs8NRUhfqaomEgntVIDvf5PxBo4AhSqc6RHov9TY41wjlFvi5CaR1VucBsfGFQVy... | 1 |
math | grade-1 | cubes-and-rectangular-prisms | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAW+klEQVR4nO2da1RT557GHyAkIUAChKsECQh4RVFRhGrVUk+td21X7ZpZc9qzZtZqZ7rWXDrTabW1V3vsRaf2jK21Y0+11SpWj1qpl1ZrawEVUEC8ICAIocglEYIBYoQyH/YFAkGB7GRf8v4+6WZn77/h55udvf/v83r19PT0NNiAyg7gTjfQ1QMCQXDIvIBAHyBRBUTIAa+Guz09+W18l0UgDJ00NSCr6KD+EiUHxvpTVhMIQuNON3C9HbhlA8o7AO+2LuoHRFq... | 1 |
math | grade-3 | identify-faces-of-three-dimensional-shapes | true | false | Which shape has a rectangle as a face? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAee0lEQVR4nO3deVhb953v8Y/YEUjCgCQkdiEhHMcxBmzHiTdwYqeTJ6sNiR2nSXvbpu3cmbRp0+lkpu3sXTLz3NzbO89zc2cyT5fJUhx3cZK2cWLcpM44XiCOMaAFJFYJ7Rs7Bs0fkg5is1kk/QR8X/+0PiDpVzfvnJ/O+Z1zeH6/3z84AXSOAL4p4IYfhJAoSeIBgkRAxQekKQBvcNzvv+RlPSxCNp5dQiBJPxL4gywFUGcE6iSERIdvCtAOA+YJQDcCJHhvBH5... | 0 |
math | grade-1 | open-and-closed-shapes | false | true | Is this shape open or closed? | "iVBORw0KGgoAAAANSUhEUgAAAQkAAABkCAYAAACVdcVUAAACzklEQVR4nO3dv04UYRTG4YPZjsaOxoJoQ4NKtLDTwsJrEIjGRu9CEmOIGhPDNaiNkoCtBXb03AghLMk2MlZs+LMcYJlhcL7nuYHvVL+8mWYmqqqqAuAUN9o+ALjeRAJIiQSQEgkgJRJASiSAlEgAKZEAUiIBpEQCSIkEkBIJICUSQEokgJRIACmRAFIiAaREAkiJBJASCSAlEkBKJICUSAApkQBSvat4ZH1zM1bWfsXf/f2reK529+/cji9vXrd9BrSi8Uhs7/Zj4cO... | [
"closed",
"open"
] | null | 1 |
math | grade-7 | describe-a-sequence-of-transformations | false | true | What combination of transformations is shown below? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AAAb6UlEQVR4nO3de5zVdb3v8beggAKihqEDObl1Z4QpOllmeSntlJbFrsiynR7xUmqmdvFuYaiQ2Zby0k4LS/dxt8PcppnmFkU0L9kyjCgs8TSJIyTUIPexYc4fI3NKExC+rDUz6/l8PHzgzOO3fp8PrqW8XI/f/NZmHR0dHQEAAIroU+sFAACgN9m81gvQu1x620n5/YKZtV6Dwl63w1753GFX1noNAOgR/i6wK5VKrfaglxDXvdPv5v+yJv99aGpqqvpMANhYL3kHu9p... | [
"translation, then rotation",
"reflection, then rotation",
"reflection, then translation",
"translation, then reflection"
] | null | 2 |
math | grade-3 | division-input-output-tables-find-the-rule | false | true | What is the rule for this input/output table? | "iVBORw0KGgoAAAANSUhEUgAAAMkAAABtCAYAAAALS0X9AAAMOElEQVR4nO3df1BU9b/H8efBBRdUll8BcnXgojL+QMEMG6nAUbOCmw2mfMsujCg0ZpZmd6b+ySy1aTKmkmYc/U7dSiu/izf0O6yOfqXUIP4wy75+RUmvPyC+iLr8UMT9AZz7B8I3LtZRIc6e3fdjZsfZsztnXsye157z2fXzWcVqtaoIIX6TCeBs1QN65xA3xU+skNfDg8RPrMBP7xBCeDopiRAapCRCaJCSCKFBSiKEBimJEBqkJEJoMOkd4E6MGTeUBYvCAXj/7Xq... | [
"÷ 3",
"÷ 4",
"÷ 2",
"÷ 5"
] | null | 2 |
math | algebra-1 | multiply-two-binomials-using-algebra-tiles | true | false | Which area model represents the expression (2x+1)(x+1)? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOMAAADjCAYAAAB3jqNMAAAOx0lEQVR4nO3dbWxT99kG8Mvn2HlzyAskkDhhQMJ7CyJ4iCLKXtqlDRXtNFWbRFVp4luljraa+oV13cd1qzSt04TWIXVS165VX+ij0UkEIpY1edhCtzikJKEBEkhSnJC4JDZ2ssT2Oc+HkIhkNHvwOfa5fc71+4JyQs7/1kUu/08c7OPSdV0fmQGuTAK3kkBCBxFlgNsFLFOBDQXAqhzANTKt659GrB6LyNl2FwHuy5OzH1TmAJu8s00lovS7lQR6Y8DwDHBpElA... | 3 |
math | grade-6 | model-and-solve-equations-using-algebra-tiles | true | false | Which equation does this set of algebra tiles represent? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAEpElEQVR4nO3dP0ibWxjH8e9rtFjTGqhyo4u2w72RtuCg0s7+2bzgn6WC2IpgClnq0GapDmoXlyBChzpFIoqIoCK0m2RRFKEWHLwNDqlirUpbqzVqX0+HXL0tmrZWT/JeeT7wkuR9T855CL+85xAIx1BKqbe7EPoMn0z4ohDixJINuGyDP9PAeQGMtztKTW0kuixxntxKh+TXn6Mvsi+Ayx5NnRAn9cmE+S1Y3oV/PkPSxpfoBQmVOI3LtmiGADZNSDK/uSDEaRx... | 1 |
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