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 | compare-fractions-and-mixed-numbers | false | true | Which sign makes the statement true?
7
8
7
11 | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACWCAYAAADkHv8wAABMNUlEQVR4nO3dd5wcV5Xo8V9V556enpxHyaNsZcm2omVJzjbYxhgD9gJeg23CAxbYtwGWsAu7wL5lF1gM9mLDGmxsIxtwliUn5Zxzlibnns6x6v1RPa0wQRN6knS+n4/w0FN163ar9Pmcun3uOYqu6zoj3Ouvv87dd99NZWUlxcXFQz2dQROJRDh48CBVVVU0Njbi9XoBcLvdFBQUUFFRQUVFBTabbYhnOriu1PtBCCGEEMODcjkE2HfddRdms5mXXnppqKcyKCKRCLt... | [
"<",
">",
"="
] | null | 1 |
math | precalculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the right at x= – 4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB/iElEQVR4nO3deXxc9Xkv/s+ZfZM02iULJG/YIGN5x9jYYAIBAmSxSQpJs5CmaUibZuly21/a5N6mlKZtliYlaZJ7c1na9ObGFwNhkY3BxjZ2bGNhy5ZsbCFsbbaWkWZfzjLn/P4YS0h401jnq9FIn/frxQtrNOeZR+fMnPOc7zzneyTDMAwQEREREZEpLLlOgIiIiIhoOmGBTURERERkIhbYREREREQmYoFNRGPs2LEDs2fPxn333QcA+PCHP4xnn332os9VVRU333w... | [
"yes",
"no"
] | null | 0 |
science | grade-3 | natural-resources | true | false | Which of these pictures shows a natural resource? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAD690lEQVR4nOz9+ZNlSXbfB37c/S5vjRd7ZESutXd1dwHd6G4QIIAWxeEyMBE0QTQuP4BmQ9EMf8uMjdlobH6gmWxkMs3YSCZKQ0EQBJIDECABAugGeu/q2iurcs+MPeLtd3H3+cGv33ffy8g9ozIr6520yLffxe+933v8nO/5HvG9Y2vfaEJbMbe5zW1uc3uK1tPwwQBup7AUwK8uuvflHHTnNre5ze10rK3gjaZ73teT9+UcdOc2t7nN7fTMY2xmJ+8FJ33xw3f... | 2 |
math | grade-2 | compare-clocks | false | true | The clocks show three things Carla did Wednesday morning: Which did Carla do first? | "iVBORw0KGgoAAAANSUhEUgAAArIAAACiCAYAAAC9MC4yAAA9GUlEQVR4nO3deXhTZfr/8fdJ0qZ7K5S2KGVrUfayiMoqOKyKjhvi6IDLjAzjcjnuiAyKKCowOl9BwJ+KbM4oirgOICiyqoDSsshiC4WKtGVr6Zo0Oc/vj9pA6Ja0aZb2fl1XL5KTs9wJ+STPyXnOczSllEK4zXb2R2wFe7EX/4K96Bf00ixflxTQjOEdMUVchjH8UowR3TGGtfd1SSIASS49S3IpPEFy6VmSS2eaNGTdo2xnKM54mbIzmys9pusKa5mOhsEHlQUiRVC... | [
"got dressed",
"fed the cat",
"packed a lunch"
] | null | 2 |
science | grade-5 | animal-adaptations-feet-and-limbs | true | true | Vervet monkeys live in the grasslands and forests of Africa. They climb trees to find food and shelter. The vervet monkey's hands and feet are adapted for climbing trees. Which animal is also adapted for climbing trees? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5wcxbW2n6runrQ5KaxyQCCQBEjkIHLGRJEx2XDB2ASTjD/DtfEF23DBNsEm2CY6YQMC21wkgrEFCAECkaMkECiuNs3uxO6q74/q7pnZldAKBPLl9stv0G7H6qqa3nNOvec9QmutXddFKUWECBEiRIgQIUKECBH+d0JKiW3biGKxqCPjPkKECBEiRIgQIUKE//2QUiIj4z5ChAgRIkSIECFChK8GlFLIjd2ICBEiRIgQIUKECBEibDhEBn6ECBEiRIg... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9eZwlVX33/z613H1feu+e7tkXGGDY90UBQWQTUQQX1MRHY6IYEKM/TRQfNcEoRtGoMUHAJaIikkhkVRl2mGGYGWafnt73u++1nN8fde/t7gFkUCJ5zH2/Xs10V9WtOnXOqeJ+zncTUkppmia2bdOiRYsWLVq0aNGiRYv/N1EUBU3TEEK81k1p0eJPEqUlnFu0aNGiRYsWLVq0+H8f27YxTfO1bkaLFn+yKC3h3KJFixYtWrRo0aLFnwat7/YtWvz... | 1 |
math | algebra-2 | linear-functions-over-unit-intervals | false | true | How does g(x) change over the interval from x=
–
5 to x=
–
4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAByJklEQVR4nO3de3xU9b03+s+aS+4JCQkkEEi4I4EkgKKChISCgoIoqMX6tN26bSuo7WnPs9vH3d3ds9vHx3rOtrunFhDdba326dndZRe1AgFRcmuoIBECCRcxQEiASTLJJJn7mpm1zh/DhEQumYH1y5pJPu/Xi1dWJjOffFlrZs13vlmzRlJVVQUREREREWnCoHcBRERERETDCRtsIiIiIiINscEmIiIiItIQG2wiCtvHH3+Mu+++Gz6f75o///Of/4wHH3xwiKsiIiK... | [
"g(x) decreases by a factor of 2",
"g(x) increases by 200%",
"g(x) decreases by 2",
"g(x) increases by 2"
] | null | 2 |
math | grade-6 | identify-polyhedra | false | true | Is this figure a polyhedron? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAQfUlEQVR4nO2de1iUZd6AbxjOIsPBU0aBiVi6V+j6uaRiYLZuuW3qWh4zUMBP88D4KScVAVFRoGbSzFIRXNQujVIxV1u/FvygWjUDdtNAWUEhQZTzGYZ5vz9gZhVROcwJ4r6uuS58nfd9fjP3zPM+z+85jIEgCAJ96A2Gug6gjwfpE6Jn9AnRM/RaSGVlJSkpKVRWVuo6FK2ht0ISEhJwdnZmypQpODs7k5CQoOuQtIOgZ6SnpwsTJ04UgIceEydOFNLT03UdokbRGyE... | [
"no",
"yes"
] | null | 1 |
math | calculus | domain-and-range | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlQklEQVR4nO39f3yU9Z3v/z8nM5PfIRMSSDAaEBEsmKAoKghVV6tWW1toPdg9/aHrbmtbbbffc7pfT0+3u+3N43a3v05dtV13XdGenu3WU7UVjRQLCoUqEiVA8AdGDATIj8nP+X3NzHV9/kiTEgiQwPXOZJLH/XbrrbeMmee8uK65rnnONddc8TiO4wgAAACAK3IyPQAAAAAwmVCwAQAAABdRsAEAAAAXUbABDFNdXa1t27YN/bx//37NmDFDLS0tGZwKAIDsQcEGMEx... | [
"$\\{x \\mid x>0\\}$",
"$\\{x \\mid x \\geq 1\\}$",
"all real numbers",
"$\\{x \\mid x \\geq 0\\}$"
] | null | 2 |
math | grade-1 | names-and-values-of-common-coins | false | true | Which coin is this? | "iVBORw0KGgoAAAANSUhEUgAAAKsAAACrCAYAAAAZ6GwZAABiJUlEQVR4nO19XUhbabf/b8rBCMEYEwQ/YnDCKKGOMR1QhLSgGEo6rRehpTpvy7RwpvJKKWUYpjTQi14UIh2GQYYi2DlQh/aMliletD31XyIWbKAonMb4pgR9iTkxfoAYt5GA8UL/F5m1fPbOjtqv6cfMglI1yc7ez157PWv91m+t9cnW1hb+lpeXzc3NrX379n1CPwOAJEnQ6/WQJInfl0ql+GetVgu9Xg/63N/ycvIf7/oEPgTZ3NzcIgVMJBJYWFjA2toaCgoKtgB... | [
"dime",
"quarter",
"nickel",
"penny"
] | null | 2 |
math | kindergarten | spheres | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAYEUlEQVR4nO2dSXAb15nH/72jG01QBChxcRXpqpgaa5mDlhrZB8kXT02U5RCpKrkkuczBOWZydm7WNancRoecnKuXSspRpsaXUAcvpeUwIuWITpVIl7mIBCkAjQZ6fXN4fA2ABGk0NjaA96tSSQJJdBP966+/971NIISQTRf42gZKAeATcDiJQxaAMQlYMIApFRA2HUK+LJ70aXE4rXMtA8grNv3PjAr8S5pazeEkjVIA/KMMbLjAMxsQiz79ApeWk2TGJOooAFg... | 0 |
math | grade-7 | model-and-solve-equations-using-algebra-tiles | false | true | Which equation does this set of algebra tiles represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAAJoElEQVR4nO3dT0yU6QHH8d87MxTrwMIWGf9RrRrTgrtNoQUTG3VjatJtD00zNtkmxl5M44X0ULxYNwSaaL154bCJ7a3papZ4sk1qSIo2NdUGu9sI3aCWya4wDrQ0KIiR93160JoYMII878DzvN/PcULe7/hO9P2BMy+BMcYIAAAAgBWplX4CAAAAgE8Y2AAAAIBFDGwAAADAIgY2AAAAYBEDGwAAALCIgQ0AAABYlFnpJwAkWVjqlZkesn7cINuodC5Pj96yegCA1xP... | [
"5x+8=23",
"4x+8=16",
"4x+8=24",
"5x+8=13"
] | null | 1 |
math | grade-8 | apply-multiplication-and-division-rules | false | true | The number line shows an unknown number, b. Is – 5b positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGkElEQVR4nO3dT2iU+R3H8c8zcZ5MEmPMuslmtMmmlF12U0HUOCYS2EBPJUg3Yg+5WIvFori4N4891BVsiycFBU9Cg1CIiDSwbEs76tLMJFFnzZpT6zSyGkdcNTqZf5k8PaQzNZhJYjMzvzz6fp0yD3P4wDMwn/nl+/s9luM4jgDARfr7+2VZlvr6+kxHQZlwzwG4yRrTAQDgdd27d890BJQZ9xyAmyy7YGcyGY2OjioUCqmxsZFVBCwpNpnR9eBzPXuaVWwyo5ZWW41... | [
"positive",
"negative"
] | null | 0 |
math | grade-3 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater area? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIYAAACgCAYAAADJjBS6AAAFYElEQVR4nO3dP2iTeRzH8c/TVgm59M5AuXIQBMVLwbFXKjhoItWCIriEa9HJQTGbQjc3sSB0KYId7dguQnVxUHQWr1BwMGdBodBaFERjIv3Hc0Nsz3IfTvsnfZL0/YIQHp782m/bd38JJPAEYRiGbxel6bJUXJGWQ2EXagmk1mbp97jUvlcK3i6E4bNPUY+FWnLkZ6nlVbly8NteqeOnSjXYfYorUqEkzS1Kf5elpk/LlRNEsbu1NlcakKTPK1LTyjcnsLutNrA... | 1 |
math | grade-3 | match-mixed-numbers-to-models | false | true | Which mixed number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAACyklEQVR4nO3Wv21TURyG4WMrkiegS5WwQyQmYAQ2QGKBzJAFEBMwAysgZgg07pgg1UlLkz+SX/tek+fprNP8rr7C72bOOQcAAJC4GGOMv98+jYc/v5a+5U3bXd2Md5+/P/luo+XZaP1e2ggATmE7xhAFK/Dw++fz7zZanI3W76WNAOAULv79cfnxy1J3HGT/4+sY4/zvf41z/8Zzv/81Lu/uj3jJ8exvr8cYb2MjADim7dIHAADA/0RgAwBASGADAEBIYAMAQEhgAwB... | [
"2 1/3",
"1 1/3",
"2 1/2",
"1 1/2"
] | null | 2 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-20 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAWYElEQVR4nO3de1CTV94H8G+4ySJXFVS6lAhdsFgElQrodvEy2nvVbWW106m4a23t7utWO461dafasqutveiUTqduZ9baFkfFBWt3HX1fK+DIHUFXGe1WDUgDloAg4SJE8v7x+AQCKgQeeS75fmaYJE8y8XdM4Hxzcp5zdFar1QoioiGqMgNL/g/I/xkoXgTEBcpd0eBopR1ERCQfF7kLICL1O2gAYjOEcKpmWmkHERHJiwGbiIbkegfw7P8CaycD2xLkrmbwtNIOIiK... | [
"6–5=1",
"6–6=0",
"6–3=3",
"6–2=4"
] | null | 3 |
science | grade-2 | natural-resources | true | false | Which of these pictures shows a natural resource? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAEAAElEQVR4nOz9569teXrfiX1WzjvvffKNdSt1VwcGiaTkmaE4lKCBKWsEDOwBxm9sGDD879iA31sjAYYBceDhKIzFoWbsEZsdWN1dXeneqrrhpJ3jytEvfmute6q7OrhpvesFEOw6955z9t17ref3PN/0SN/bVdVbDngKv7l+c/3m+s31m+v/j9ehgE8DuE2hr8Lf7Ymvy78pur+5fnP95vrN9R/m8hR4yxH/2y9ef13+TdH9zfWb6zfXb67/cFdTY7Pq9dfUr/q... | 0 |
math | grade-2 | match-digital-clocks-and-times | true | false | Which clock shows five forty-five? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAADICAYAAAC6ej5XAAAOd0lEQVR4nO3db2wk5WHH8e/srg/ubkyhB9xaLZcKb4EUNTZvkiprE1WR4lOlShVXRIIakhcJtGdUwZHYURVob41a7qpAVZ0d5ahS7uDuJHSgFl7EbnSkDbgh0Bc2odBLdkl7BbF7/L3z7v2xvTt9sfHeeq5nz6znmdlZ/z4SwqvzPM+j9fPb55lnnpm1HMdxivOQPwNzVVh0EOl4KQu6k/Dbm2DrBrCK5x3nldNRN0skOp+5AlK/OFN/0bMBbtxcT4lIp5urwvE... | 1 |
math | grade-1 | which-bar-graph-is-correct | true | false |
Jenny went into the family garage and saw one rake, nine nails, and four rulers. She made a bar graph of the items she saw. Which is her bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAZAAAAEOCAYAAACn00H/AAA1BElEQVR4nO3dd3yV9d3/8ddZSU7WSXKSkJ2QAQmEHULYhAiyRByIrQqKC6rFemMdLY4qVLitWhwPFVpw4Kgi9QcUmRYZVpEwDIEACUIm2Sd7nPX7IzWtt4IxJNeV8Xn+lStnXO8rHM77XNd1ru9X888Sq/OLchsAGpyABiGEEOL7nDjRgBPG+esZH6BH/69y239VhpSHEEKIH6NpaQgNHCyzEeGuRf/dPke8l5bxAQb8XaREhBBCfF9Zs5P9pVayahw4NfBlhQ0... | 0 |
math | kindergarten | compare-sides-and-corners | true | false | Which shape has fewer corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAHKUlEQVR4nO3dzW8UdRzH8c/sQ2nKQiGhpVCSSkGRmz0RPKohISaGxBCD3vDEQRPD2T+BmOiBEx5VQkwIiSExePFgEy5yk2cksbBQpdiHTdnuzngYJq1GZn4tOzsz33m/ThISmLrvlNn9wPy8IAiCZlu63ZIWulInEFBYNU/aUpVeHZJ2Dkhe81kQXJ3P+rKA3ju0VardaoU/2DUgHdgc1g8U1UJXurEkPWxLN1tSZb4T/gRxw4It1bBlSVrsSpXump8ALIhaXgm... | 0 |
math | grade-1 | select-three-dimensional-shapes | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAT9klEQVR4nO2d+ZMcRXbHv1nV1dfcV89Io5nRSGIEAolhuQKMzW5gwusNE3ZsmHDsYhvkAxH+zf+NAnnRAmaNQzaBF8IOIpYNBGgFSGK1CB1zaDSj0TGankMzfV+V/qG6qqt7zsrpqs7szs8vXV2VlZVd/SrrvXwvXxJKKZ3LApNJIFYA8hQSCXf4CNCiAg+EgV4/QOYylH6zWutmSSTb5+lWwDeRNL7s8gMHmwyplkh4I1YAxhLA3SwwngSU1bxxQAqthGdaVEN... | 2 |
math | grade-7 | apply-addition-and-subtraction-rules | false | true | The number line shows two unknown numbers, y and z. Is y+z positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAIfUlEQVR4nO3da2yUWQHG8f8705mW6ZWFcttQSDCBELQS2tI2LKAbV7MsmCI1AVYWwkoW0jWrm4Af5JOESNTEsBDBoB9w28BqigFD3M1uTCFE2lKwWinG7EJhBWyhl6W3ub5+mOm0lSkXt8yZt31+CfSdUz48yZwyT8+cOa9l27aNiIiD1NTUYFkWGzduNB1FkkTPuYg4SZrpACIiT+vWrVumI0iS6TkXESd54oIdDAZpamqivr6eGTNmTNxVhMEH0FANNxqh7RLkzoF... | [
"positive",
"negative"
] | null | 1 |
math | grade-2 | fractions-of-a-whole-modeling-word-problems | true | false | Pete is bringing snacks to a party on the last day of school. He wants to bring a mix of snacks, so he divides a large round plate into 3 equal parts. Pete fills 1 part with chips. Which model represents the fraction of the plate that Pete fills with chips? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAAQA0lEQVR4nO3de1zUdb7H8RcwwIDAgCDMAN5vhMolS8xs85Jl3Cwzs1rt5KnUTDe1jbzfNy07dSr0qJW1ZXVSVK5ul7O5anW8Bpi6ammFMsOiCMptEJz9A2nNzVL0+/v+Zvg+Hw8fPhD9ft48Hm9/l/nN7zduDofDYauDb6vhbAPUO1AUIQxu4O8BXX0hzAvcbHaHY+cZ2bGUliYhAAxHqhu/sHhB91aNzVQUEc42wKEqsNbB4WpwP1Pf+A1VPEU0f4/GngFUNoB... | 2 |
science | grade-2 | read-a-thermometer | false | true | Select the temperature shown by this thermometer. | "iVBORw0KGgoAAAANSUhEUgAAAI4AAAHPCAYAAACFjuJ1AAAf9klEQVR4nO2db2wb553nv/wj6+9MNomLxuSgKWCvliyu6Lq2SRxwtwerJJDbAJWl5s0BYqjbFlhENLGbvRemrVeHq2RpC2w3ou0XG7SgIuP2xUVUZdwFuyvG2cV20ZCLtOgiKBklrwJS+bO1EQ+VyBLJ4b1QOCVFSpbm4VAc/34fQEg0wxk+aj79zvPMPPN7bPfu3auCYY6I/bgbwFgTFocxBIvDGMK5345qlbs+zC42m61pW0txSqUSVFU1vUGMNejv78fAwEDDNr5... | [
"65°F",
"70°F",
"40°F"
] | null | 2 |
science | grade-5 | use-evidence-to-classify-mammals-birds-fish-reptiles-and-amphibians | true | false | Birds are a group of animals with similar traits. The following traits can be used to identify birds: They have feathers.
They have wings.
They have a beak.
They make eggs with shells. Observe the animals and read the descriptions. Select the one animal that has all of the bird traits listed above. Painted storks wade ... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOy9d7wdZbX//17PMzO7nJaTHiAkECC0CEgTqYZeBC8WlCIqooggqICiXitexWtBiugFCwh2roAiFpQWRHoLoYUSEiA9OWW3mXme9fvjmbOTQzMofr0/3Z/XK+XsM23PzNnnM2utz+cjdwyozuyCHksHHXTQQQcddNBBBx38QzDk4JEayGCu2iGeHXTQQQcddNBBBx38ozHkQFRV/9kH0kEHHXTQQQcddNDBvweitb+YvNkEjDGIV9xwg2YjB4mwkQH... | 0 |
math | grade-4 | what-decimal-number-is-illustrated | false | true | What decimal number is illustrated? | "iVBORw0KGgoAAAANSUhEUgAAAewAAACkCAYAAABVVh3VAAAEBUlEQVR4nO3dwW0UQRRF0TIiIkIgArakQECkwJYIHAIptRdsPbYGNF3/ts/ZWk8yUkl3xiz+03EcxwIARvu0+xcAAN4n2AAQINgAECDYABAg2AAQ8PmtH3758XzW78EH8+fn17s33iOP4j0yya33ePMbtsfIJN4jk3iP7PDmN+y11vr+7f5Pnmut9ev3s63tq7v/Ufq32s7feo/nbf/lrxhr/f1w9FG2730Q9H/YABAg2AAQINgAECDYABAg2AAQINgAECDYABAg2AA... | [
"2.94",
"2.48",
"2.37",
"2.49"
] | null | 3 |
math | algebra-1 | identify-functions-vertical-line-test | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAazklEQVR4nO3df0xc15338c8MBoYZG2OnA+6TZIFt+pgaErD8A1vZjYK1K5UEGrlSTVXtrmSrkRIp/svRbp79w9msmypatc8fW1K72pWdJlqpRNrKWhM5UrQharXih4NMHSbF3bRDYu1jM7gxGM8w/Jp5/hjuwMCAMTBz75l5v/5h5g5z7zGMP5xz7rn364rH4/Fb09JnEWliTpqNCwAcbYtL2lYgfd0rVRRJrltT8XjfXbubBQDr01gqbfnvSOLJV4uk3b5EygG... | 2 |
math | kindergarten | count-to-100 | false | true | How many dots are there? | "iVBORw0KGgoAAAANSUhEUgAAAWoAAAErCAYAAAD33MkqAAAmBElEQVR4nO3dz08a6QPH8Q8iMsOPorjBNSk1fjdlTyQ1MZu04bZ6WuvZ4/4L/Ufsv7C39lzdk+6NaGJMPHBakt0UdVOXFBVnHEcGdr6HWYhlZ2AenZHH+nkfKQyvkOkDPDLPE7Ft29Z1HZVKBdVqFaenp2BM1rLZLAqFAorFIlKplNBjeZ6zh9J/znNN0+x3797ZOzs79ufPn+1Rtr6+PtLnvxkt7o3a8vnzZ3tnZ8d+9+6drWma78fxPHePFvdGbek/z8crlQrm5ub... | [
"74",
"84",
"69"
] | null | 0 |
math | grade-1 | name-the-two-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADXCAYAAAAgGib5AAAPv0lEQVR4nO3dO3MbV5qA4W92N9z9HRvtzxaLJVaJDkQHohWIZQdkIE0VKYdkgothDECywAtIoM+ZoD07vkjirQH05Xki20WJB+jT5ReNxoe/5ZxzAAAAlfiPTS8AAADaRGADAECFBDYAAFRIYAMAQIUENgAAVEhgAwBAhQQ2AABUSGADAECFBDYAAFRIYHfEVr/Y9BIAADpBYHfA4XmKH8YpDs/TppcCANB6ArvlboscO4Py6vXOoIjbIm94RQAA7SawW+7tKMV0Uf7... | [
"triangle",
"rectangle",
"circle"
] | null | 0 |
science | grade-6 | use-scientific-names-to-classify-organisms | true | true | This organism is a great blue heron. Its scientific name is Ardea herodias. Select the organism in the same genus as the great blue heron. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOydd9xdVZW/n7X3Obe8vaUXQhISakKVJmBoijAKggVRESwoMDhYEIefOogjKMjYUFHEBogCKtahWClCIIQUOqQR0subt957z9l7/f7Y594kEIoSR4c5Tz7vJ2+595R9zr137bW/67tEVTVNU7z35OTk5OTk5OTk5OT8YzDGEEXRy99OHtzn5OTk5OTk5OTk/OPx3pOm6cvejsmD+5ycnJycnJycnJx/DrZHbG62w3Hk5OTk5OTk5OTk5PyTkAf4OTk5OTk... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOydeZwcVbn+v2epqu6efSaTPSFACATCIruyCcgqKggugIrgRRS4KCqI8kMuoqKCuCAqykVUQLzgggoK4nVhEQIhJGELkITse2aSWbq7qs45vz9OVc0MBAga9V5vP3zmQ6aXWk6d7qnnPO/7PMI559I0xVpLAw000EADDTTQQAMNNPDPgZQSrfXfvB0hxFY4mgYa+PtCNkhoAw000EADDTTQQAMN/PNhrSVN03/2YTTQwD8EukFCG2iggQYaaKCBBhp... | 0 |
math | kindergarten | one-more-and-one-less-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAgUklEQVR4nO3de3SU5aHv8R+ZTLKTMJALkkFiGDCWBnDjIkJJXCKiRXREOD3F0mPP8bKW0nV0uwtVcWs9VA8IKvZgqRSle7nWxiu4LcRmYbq9oAQQFIIX0BAxkAImB3I30QSTOX9020Mql8zkmXnmfef7+Zs18xufZy2+jq/JgFAoFBIAAAAAI5JsDwAAAADchMAGAAAADCKwAQAAAIMIbAAAAMAgAhsAAAAwiMAGAAAADCKwAQAAAIMIbAAAAMAgAhsAAAAwiMAGAAA... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAA0X0lEQVR4nO3de3hU9b3v8U9mcjEJCSEgGSCGQIOI0I0PtwOxIrcKGCjs7oJ029bL04L7eKlYEFu7j1cUFfapWryyt91ii4BVLuVoehSw3EMxVAUNERIil6TkHhNJMJnzB4UjApNksmZ+a615v/7JPzy/9Znv+jmP6zNr1kRJ8gsAAACAJfx+v0qbpM8apLpm6Sv+bxsAghIdJSV5pX4JUlqsFCUKDAAAAMAypY1+5dWaTgEA7vI/kqVo0yEAAAAANylsOP23R6z... | 0 |
math | grade-6 | model-and-solve-equations-using-algebra-tiles | true | false | Which set of algebra tiles represents the equation x+1=8? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAL0AAAB6CAYAAADqOlI8AAAG80lEQVR4nO3dXWxTZRwG8Ken7TZWGBDLvviKTIFhNLKFANEbJUvABDUZMXhpYoIX4hXRmHivcLXEEIyJhBCjRr4SiMlgMSioYxiGIB8CDtwc67aWDbp2Y93OOV6UDcgiWT/evmfv//kly9Ju7f/dybPm9N361Oe6rtubAv4eBoZsYNwFkVECPmCOH3i2FKgoAny9o657Nq57WUSFsbYMCNwYTl+oKgJWhNK/EUQmGbKBa0kgkgKuDwNWfDz9BQaeTDXHn843ACR... | 0 |
math | grade-7 | parts-of-a-circle | false | true | What is \line{UV}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAtL0lEQVR4nO3deXhU5eH28e9MkpkkkwTCFvYlQNhDCRCWsEOCEEAUd0GttlprK75acKm/aherxa1aWpeiIJQqtmpVwhKWsBo2WRL2NWyBBJIAyWTPzPtH4JDILoEzmdyf6/LinOfMcifOH/c8ec45Frfb7UZERERERLyCr9kBbgaLxXLDXlvfj0RERETEk9SIgq8SLiIiIiI1hdXsACIiIiIiUnWsFouFZcuWXXCgb9++NGrU6ILxtLQ0LBYL77//PtOmTcNisVBaWnr... | [
"chord",
"diameter",
"center"
] | null | 0 |
math | grade-5 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAInUlEQVR4nO3dXUxb5xkH8L+Jsfk0pkm8Eoc0tIu6sKykC3ha0ggnMC0f0lSkTcrWVoJpN8nFrqZNU5PJURZpvdlF7yJNgqjS1otsZb0gN4Qo7aZoImm9ljREEPIlkhJIAiYDH2x8dkFwgGL7Nfhwjs/z/0lcGF4/vPi8f47P4ZwHR2Njox4MBpELly5dgq7rYL2V17t48WJOapktGAxa+nWWVs8ZDAYRCoVyUvDkyZPQdZ31VlHPLriurFWvICeViMjSGHQiARh0IgE... | [
"rotated",
"translated",
"reflected"
] | null | 2 |
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 | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAAFGCAYAAAAFAHYEAAAs9ElEQVR4nO3df1RU54E38O+dgRkqw4yi4iZmlI1DCBhiKgoh4nmj206ybrLd9OQHpvlVSBOX1B/dnqTJHntk3aw9U11PYqKb+LblzdldqsY2iemxNTmJli4ijHG1CsYAcZRgA8gIeI13fnHfP0ZuGJhBLsxlZuD7OScZ7jOXuc/g8OW593nu8wiyLMtfeoHmr4DLAcAvg4iIBkgSgDQ9kDUFmGUAhC89slzfG+tqERElhkIzkNT0VXDjBgOQnRpMVSIi+trlAHD... | 0 |
math | grade-8 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{RT} and \line{UW} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAhzklEQVR4nO3deXAUdfrH8c8kEJZDEk5zcITIEcFAOBQQ+Q1BJCiwJoguKMixinIURClQWQ92S2BxFYJcyuIaLBRRIVMFrNyEZeUMEAgih+YAxBAMhPsIJr8/XGbNMgnHdKZn0u9XFVWb7sn0832qtuqTx29324qKiopkQfn5+ZKkoKAgU+vwVfQPAADANT+zCzBLUlKSkpKSzC7DZ9E/AAAA12xWnWCHh4fLZrMpMzPT7FJ8Ev0DAABwzZITbIfDoezsbGVlZcnhcJh... | [
"\\angle{RSV} and \\angle{TSQ}",
"\\angle{RSV} and \\angle{WVS}",
"\\angle{RSV} and \\angle{UVS}",
"\\angle{RSV} and \\angle{UVX}"
] | null | 1 |
math | calculus | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABs1ElEQVR4nO3da3RU15kn/H/dVFUqXZGEJIQljDEYYQmDjW0usnHj2I6duANOBidvLu7lpMeZOLfp1bPyZqWzJhm3J2t1O3nj2J4k05nY6c6sTDzB7hgsCDYYiBSDkUEggQEL0AWhS0mlUl1OnUud834ojoxAgirpbJWq9P99YalU59HD3rtOPbVrn31shmEYICIiIiIiS9jTnQARERERUTZhgU1EREREZCEW2EREREREFmKBTURj7rnnHrz++utjP//xj3/E8uXLoet... | [
"yes",
"no"
] | null | 1 |
math | grade-5 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABrCAYAAABNEvX3AAAWvklEQVR4nO3de1iU553/8fcwOoJxFKoOiqACRiImxpCk2aKbE2WzP36k17KmNGa5Ag2hP7oQHrOk7R6Sa9dus822moqprb822UubWq0TralebhLNGFHExDXEQ2KMgkYUBJGDozBymNk/EiZqxHCYA+jn9c9c3PPM83wf//p4X9/7vk0ej8eDiIiIiIj4REiwCxARERERuZ4oYIuIiIiI+JACtoiIiIiIDylgi4iIiIj4kAK2iIiIiIgPKWCLiIiIiPiQAraIiIiIiA8... | [
"obtuse",
"acute",
"right"
] | null | 0 |
math | algebra-1 | domain-and-range-of-absolute-value-functions-graphs | false | true | What are the domain and range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABg/0lEQVR4nO3de3xU9b3v//dkZnJPSEgggWCCiNCCBEVRQahYrFq1ttB2Y+/22IvdtXb3/HbPr2f/urt3+/Pn7j69nbptT2u3p9p9+ni4tVVbwUixoNCgIBECxAsxQiBgLpPr3NfMrPX7A5MSLpKB9WUy5PX8R2fIes8na82sec/KmhmP4ziOAAAAALgiJ9MDAAAAAOcTCjYAAADgIgo2AAAA4CIKNoBRampqtHXr1pHL+/fv15QpU9Te3p7BqQAAyB4UbACj1NfXq7m... | [
"domain: all real numbers, range: $\\{y \\mid y \\geq 4\\}$",
"domain: $\\{x \\mid x<4\\}$, range: $\\{y \\mid y \\geq 4\\}$",
"domain: all real numbers, range: all real numbers",
"domain: $\\{x \\mid x<4\\}$, range: all real numbers"
] | null | 0 |
math | pre-k | one-more-with-pictures-up-to-10 | true | true | Count the stars in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABeCAYAAAAZpWPpAAAPcklEQVR4nO3de3RV5ZnH8V/CARIkXALhooZQUCnMGhUttmC1xWmh7ZpivcBcHEWteOmq0+pUV53pTNfYmU6HTrWdrjUXO9OxM05HisC0a42CYFBExFZBa8iNBCHcggSaxARCkpMzf7yckoRczj5n7/3uy/fzD+Rc9vvwLNbKb+/znHfnpVKplAAAAAC4It92AQAAAECUELABAAAAFxGwAQAAABcRsAEAAAAXEbABAAAAFxGwAQAAABfFK2Afq7FdQfw0H5bOtNmuIn7... | null | [
"iVBORw0KGgoAAAANSUhEUgAABAkAAAB2CAYAAACqPMqGAAAZ8ElEQVR4nO3deXTV5Z3H8U8gLGEHCYiAcQCxMKdWbMFCi1OZFtrOIArCTMdWRAW149JNTzvdpsu0Flttp3NmsTO2trYFEaz2tAoiKKi4Qq2QEAjITpClJKwhy50/nnv1JmT5/e5veX7L+3VOT0pM7vPle8nNfb7fZymSlBEAAAAAX2QyGVWfkapOSscapQbebQOIqOIiqXdn6cIe0uCu5nNFokgAAAAA+Ka6LqNXam1HAQDuXNZHGtRVKrYdCAAAAJAkW0+aj0O... | 2 |
math | grade-1 | names-and-values-of-common-coins | false | true | Which coin is this? | "iVBORw0KGgoAAAANSUhEUgAAAMMAAADDCAYAAAA/f6WqAACnmklEQVR4nO29f3CTZbo3/tkXSSZDQkliSqINwZbG5qW2gzR9x2JDlxV2V3vKALsjVOSsh8qI7AyWYZad161/2PUd6zCtzKw/RvGwB6HirMDQU91d8HBKqjjfpui0wklNaTWkkkBNQs3DdBJg/P5x57pyP09TxB+76+56zTClafLk+XFf9/Xrc32uH3zxxRf4Xr6X7wX4X3/rE/hevpfvinyvDN/L95KV75Xhe/lesnLT3/oE/tHl6tWrU4KyZDIBs9mS92c+MZstAIC... | [
"quarter",
"penny",
"nickel",
"dime"
] | null | 0 |
science | grade-3 | animal-adaptations-feet-and-limbs | true | true | White-cheeked gibbons live in the forests of Southeast Asia. Their limbs are adapted for climbing trees. Which animal's limbs are also adapted for climbing trees? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOzdd7QkV33o+++uHDqffCbPaJSzEOgKSyCEweJiwrPIwQYbY2QDBotkLsKAbTBgwEQbLFuAwGAMmGxAICEJIQkFBsWRRpNnTj4dK9fe+/0xT+cxiiMYOXD7s9asNae7uvavq2pX/arqV7uF1lqXZYlSiqGhoaGhoaGhoaGh/5kMw8CyLERRFHqY3A8NDQ0NDQ0NDQ39z2cYBsYwuR8aGhoaGhoaGhr69aCUwvivDmJoaGhoaGhoaGho6PAZJvhDQ0NDQ0N... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9ebRlZ13g/7/3PJy9z3zuuUPdqltzpaoyJxAChCFiG0TAn4ACAo0D3WKLoLRDrxZFtKFFYTUgLLDRRgVFuhmUtkWBhDCFkEpSGSo13qq6871nPnuef39kpZpASAoo1OZ7XmvVWnX33mc/nz08z9mf/Tx7H6EoiiJNU/I8Z2JiYmJiYmJiYmLi/02iKCLLMoIg/EuHMjHxA0mcJM4TExMTExMTExMT/+/L85w0Tf+lw5iY+IElThLniYmJiYmJiYm... | 1 |
science | grade-4 | identify-vertebrates-and-invertebrates | true | false | Select the vertebrate. Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADM9klEQVR4nOz92a9kW5Lmh/1sDXtvdz9jzHGHynszK7Pmnru6mmgOTVASKRKkQAh6kcAHAXoSIP1NkgA+EJD0QEDQwKbYnHtgkVXVVdVVldOdb4xncvc9rMH0YMv9RLaypewKPVBAHyBw48aZ3Pe2bcvss+/7TP7BjeqvbODU888//vnHfy8/7gr8yQ6+WeAywN+6sH93/zxw//nHf98/Tj38ysb+vi33/+7+eeD+84//f/g4xGnS+38LP+8L/3f/+3+fk5MT+tg... | 0 |
math | grade-4 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACUCAYAAACp1l47AAAcTklEQVR4nO3df1jV9cH/8dc5cPiNP1BxYog2jBQVf8HBgaZoUkNvnTHtx5xm/shSa1t3pa0frizn2vatWJZMG2t3N913cc1mtahFWzcZiGHilBwViUpiGIR4oAPn8/3DZJ3ZSuXA53DO83FdXl113ufzfh3753W9r/fn/bYYhmEIAAAAgEdYzQ4AAAAA+BIKNgAAAOBBFGwAAADAgyjYAAAAgAdRsAEAAAAPomADAAAAHkTBBgAAADyIgg0AAAB4EAUbAAAA8CAKNgA... | [
"acute",
"obtuse",
"right"
] | null | 2 |
math | grade-2 | greatest-and-least-word-problems-up-to-100 | false | true | Janet kept track of how many laps she swam during the past 4 days. On which day did Janet swim the most laps? | "iVBORw0KGgoAAAANSUhEUgAAAVEAAAC9CAYAAAAKh04PAABCbklEQVR4nO3deVxUVf/A8c+wM7ILIm6gouKSiJhLrrjillKpPO6UqeVDGeXSo6lZqbnllo9Lrr9H3CrXQswULXNJFNECERJxwQUVRHaG8/tj5MrIIjAiqOf9es0L5s65956ZO/c7Z7v3qNxX+QokSZKkUjECCOjzTnnnQ5Ik6bmzcO8aDMo7E5IkSc8zGUQlSZL0IIOoJEmSHmQQfY6kZBvy8ZmmfHauESnZhuWdHUmSkEG0wgi9Z8POq9WKDI6RyZYkZJgQl6Lmu5j... | [
"Sunday",
"Wednesday",
"Monday",
"Tuesday"
] | null | 2 |
math | kindergarten | count-sides | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGXElEQVR4nO2dTU8bVxSGj81HpDRpUVWl6rJIbTYVuyqb/oH+jv6o/o/uixJhFjiLQkwlTD7wIlINJtYIG0zw2LcLK1UXVcXM3HvOe2beZwVCiKtzHuGZuWfu2wohhOGdyJsbkclCJA9CSGXWWyKP10S+eyjy9aZIa/gxhO6V9bJInXn2ucj665vVN99sijz9bGUhIVWZLET61yJ/3Ymc3oi0r/LVDygZicnjtZVTIiLThUh78a8fEBKTT07Ng0jbdimkKVA0ogJ... | 0 |
math | grade-3 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADfCAYAAADMSaSUAAAWUUlEQVR4nO3dP3gT95bG8VeSJ4P+2EK2bNBDrpx9tligtVucMtDiFtLa7aXMDdUm93bh2Q63kC1NCylXtKY1t4x8L4//SLKQbY2ZDJK2kKXIjgmSPaOZkb6fkiTSSVLwcnx+50RarVZLAAAAAFwR9bsAAAAAYJQQsAEAAAAXEbABAAAAFxGwAQAAABcRsAEAAAAXEbABAAAAFxGwAQAAABcRsAEAAAAXTfhdwDg5fmvLemvrw6+/qWk1Zb21//D3GNmYjNkJRRNRXfn... | [
"yes",
"no"
] | null | 1 |
math | grade-1 | compare-objects-length-and-height | true | false |
Which rocket is the tallest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAADoCAYAAAADrKF5AAALt0lEQVR4nO2dbYxU1RmAn3PvnRn2k69FsiwQBAErHyqxUKyaJgZN05q0VtukJtomTYzENP5pWqrtj9pUf5o0remPYmrSphqgiciP7mLSoI27xBCEOIMg0MIuoEBXZhbWXXbn9MfMMN+7s+zs3veM78MP9p579+47++Q95z3n3M011lp7YRQ+uQapcRizKCESGGjzYXUzLI6CuTBi7cFk2GEpldjSDsGJa5mDziisbcnYU8IjNQ4fX4Xzo3D8GnjJscwJlSODNj/... | 1 |
math | grade-4 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAaOklEQVR4nO3de3RUZZ7u8adSqVwgJFyCCRAkIQQDFS5yphF7cGilG1tH0SOKipoYAlHugQFluHlQGNKgLTmCl24QQR11SXNaZpYznRlnjLrG6OlO42gBuWABXQFiWy0xaUNBKjV/aNJAAqYqu2pXUt/PWqxlil37fcJfj+/67XdbfD6fTwAAAAAMEWV2AAAAAKAnoWADAAAABqJgAwAAAAaiYAMAAAAGomADAAAABqJgAwAAAAaiYAMAAAAGomADAAAABqJgAwAAAAa... | [
"right",
"obtuse",
"acute"
] | null | 2 |
math | grade-4 | interpret-bar-graphs | true | true | A curious student at Burlington High compared the amount of homework recently assigned by each of his teachers. Which bar graph shows the same data? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACeCAYAAAAITX1dAAA600lEQVR4nO3deViUVfvA8e8AM2zDsIsKqIAiiAruC4lbmGmmplZaJlmplUtpvuXSL80ss3pbtVKzVe01NTco03rT0ldLzQ3EBXABUdkZGGBgmN8fE6MTuKCjo3J/rmuuy+c85zxzPwe8uJ8z55xR/BSww4gQQlyH2NNdbB2CEEIIccuws3UAQgghhBBC3EkkwRZCCCGEEMKKJMEWQgghhBDCiiTBFkIIIYQQwookwRZCCCGEEMKKJMEWQgghhBDCiiTBFkIIIYQQwoo... | null | [
"iVBORw0KGgoAAAANSUhEUgAABTQAAAF7CAYAAADsVgSkAACUxElEQVR4nOzdd3hUZd7G8e/MJJPeE2qA0CG0BBAILaCCKIIUUcHGuiuKoriWtb/qKlhRV8GCdV0raJBqQVRQkCidkNADoYf0nkkm8/4RMzAmlIQkw5D7c125ZM55zjm/OTPB4Z6nGAAbIiIiIiJSK2w2G0ctsLsAcq1Qqk/bIiIiIufEzQB+JmjvDY3NYECBpoiIiIhIrTlabOP3HGdXISIiInJh6usPbs4uQkRERETkQrKroPy/Tc3Q0ae8N4GIiIiI1FyuFXb... | 1 |
math | grade-2 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABRKklEQVR4nO3de3RU9b03/vfee265TW7cE+SmQEIVxJZEreivGuwR2/Usg+dIte3BttquPp7AKuh5Vgtdgn3OqtAlqOsc0QO0TxXtEThn9UjVRHs0LZKoRUCZgEIgZiLEkNvObS579v79MWTIMLc995nk/VrLRWbPd2a+TWZ3PvPdn+/nI2iapoGIiIiIiBJCTPcEiIiIiIjGEwbYREREREQJxACbiIiIiCiBGGATERERESUQA2wiIiIiogQypHsClAE8GuDRoF361/e... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABbxElEQVR4nO3de3hU9bk3/O9aa045TRJCOCXISYQEFMSWBKzoWw1qsV7va1Ck2u5iPbTX3uzAVdDnuVpwC3bvS8EHUJ+nRSq0uxahEvZ+W7GaaN+aFknUIiCZgEogZiLEQA5rcpjjWu8fQ4aEzGTWnGeS7+e6ciUz6zdrfiSzdO6579/9E1RVVUFERERERFEhCEKip0CUcGKiJ0BEREREREQjCwNNIiIiIiIiiioGmkRERERERBRVDDSJiIiIiIgoqhhoEhERERE... | 0 |
math | grade-7 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{OQ} and \line{RT} are parallel lines. Which angles are adjacent angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAd8UlEQVR4nO3de3BU9f3G8edsSABBEpBAIAopBC9BJBBQbu1mveEFIWEqMwULqVNbaZGsHbGgVYNML1o7BhhL2jqS2MIUsc1aryCyiRShNEsShViqWUO0YyA1WaLcAsn+/uCXlEgCJHuSs5f3a2Zn7H7J9zz94wyffHnOruH3+/0CAAAAYAqb1QEAAACAcMKADQAAAJiIARsAAAAwEQM2IpbP57M6AgAACEMM2AgaXq9XhmHopptuOmft+PHj6tWrl3bs2GHKtYqKiuR... | [
"\\angle{TSP} and \\angle{QPN}",
"\\angle{TSP} and \\angle{RSP}",
"\\angle{TSP} and \\angle{OPS}",
"\\angle{TSP} and \\angle{QPS}"
] | null | 1 |
science | grade-4 | predict-heat-flow | true | false | Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAXz0lEQVR4nO3de3RcZ33u8e+794w0I1mWHMmWZMe32E5i7NwpDiQsnCb0cKnDyWppA4dCF7Boy+Wc9nAIrAIHFuXWBFinHFLKaZu0IQmk9BxISAhJSZoQkjSxHceJE98dyXdZliVLGs117/f8sUcaXcaObI32bMnPZ60sL7akYc+8e5733b/3fWeMtdYezcGeIRjwoGAREamImIEGF1bVQWsNmKNZa5/vr/Zpichst24uxHYPBf+jvQYuqg/SSESkEgY82JmCIzn... | 0 |
math | grade-6 | understanding-percents-strip-models | true | false | Which model shows 50%? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUsAAABLCAYAAAD5wKUqAAACFElEQVR4nO3XMU4bURSG0Tu2oSCQdImygCQ9DT0rSJstsCC2QMsKWAAFvUP6kBZjSzi2XooRIimQfhkrNuKcakajJ91i9M2drrXWbuZVP2ZVk2XVohXAqzfqqg6GVZ/2qj7sVnU3961d3m56LIDtdfS2anQ9628+7lZ9edOXFOC1myyrxtOqn/Oq77Oqwe2ifyCUAI8Ohn0Xq6rullWD5V8PAHj00MXfrWqw2VEAXgaxBAiIJUBALAECYgkQEEuAgFgCBEarHDo... | 0 |
math | grade-2 | find-the-next-shape-in-a-repeating-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAbJ0lEQVR4nO3dbZRdVZ3n8d859zFVlapKJVSegAQSCAgJxhFYCAGBbkWgadJtMzPOagGH1iWuGXta19gjOoowa1yu1d12T1obHRtEu1VQm+4WRG3AaBgg0bahV0JE0nmupB5SSaVSlboP55x5UVZSJJV6uHXPOXvv+/2s5RvNvef/33t776/23fdcL4qiSAAAAACc4KddAAAAAID6IeADAAAADiHgAwAAAA4h4AMAAAAOIeADAAAADiHgAwAAAA4h4AMAAAAOIeADAAA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAgu0lEQVR4nO3da5RdZZ3n8d++nHPqlqpKhVTlQi6QQEBIMIzAQggIdgsiQ4OtOOOsFrBtXerqVlvX2CM6iNJrHNfqHttBaWQcLt4BbaYFRG1AIDSQqAiuhIiJuValbqlKpS6pc86+zIuykkpSqevZt6e+n7V4YZI6+/9/9mOd/TvPs/exwjAMBQAAAMAIlmUlXUIq2UkXAAAAAABRI/gAAAAAMB7BBwAAAIDxCD4AAAAAjEfwAQAAAGA8gg8AAAAA4xF8AAAAABi... | 0 |
math | grade-6 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAALIklEQVR4nO3dX2xT1x0H8O/N/wYnMRDo4qAuFlAS0SXlT1ZYWTEJUgUTS0mnTVpXKWleCttDtYchbcsURLSHPVBNmlpe2kQCtGldS1JRsYmRFNotqA7DMDrC1s6gkfAnoXHi4DhO4rMH5wYn2Lnn2r72Pff8PpIDOMdHB+d+4+vr+/tdZefOnczlciEVzp8/D8YYaL7E5+vt7U3JXJnmcrlM/TzLNl+Oy+VCW1tbSiY8fPgwGGM0XxLzWQVtV+aaLyslMxFCTI2CTog... | [
"rotated",
"translated",
"reflected"
] | null | 1 |
math | grade-1 | select-three-dimensional-shapes | true | false | Which shape is a rectangular prism? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAV1klEQVR4nO2d3W/bVpqHf5JISZRNyZZcSVvHsd00jrtxJunAzUcbTAq0QItmBwl2LnbQq/5rvSkwN4NmZlNsgQ2QzCZbN/Egzjhd2LFTf8UdWbVkS7RFUSTFvTg6tGQp8RcpktJ5buzIikzrPHr5nq/3+AzDMDIVYLEESDqgGWAwXAfnA8QAcDYCpIKAL6MYxuOi05fFYByeK1GAWyiRf/xLEDjXQ6xmMNyGpAPzu8A/K8CLEuAvauQHTFqGmxEDxFEA2NEBv17... | 1 |
math | pre-k | count-scattered-shapes-up-to-5 | false | true | How many shapes are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEhCAYAAAAK+9SZAAAg5UlEQVR4nO3d3Y8c13nn8V9VdXVVV1cP51VDihJpcvg2FLL2RYI1DQc2EDiQLegvCIL92wTsIje5MQQ5SrwGLCQbeWE5KwfijCVKsGWLisYcDjnTPf063b0XQ1Kk+DJvVXWqzvl+7ixL5GFNs+tX53nOU950Op0KAAAAgBV80wsAAAAAkB0CPgAAAGARAj4AAABgEQI+AAAAYBECPgAAAGARAj4AAABgEQI+AAAAYBECPgAAAGARAj4AAABgEQI+AAAAYBECPgAAAGA... | [
"1",
"5",
"4",
"3"
] | null | 1 |
math | grade-3 | reading-schedules | false | true | Look at the following schedule: Which meeting ends at 11:10 A.M.? | "iVBORw0KGgoAAAANSUhEUgAAAYYAAAESCAYAAAD5d3KwAACsAUlEQVR4nOydeVxP2f/HX5/2vSjtRakUWVq1UFKUiihrxMQQfr4Yg5ExDWPfGcYygyl7UiqhDFKyS9krSqUQUtK+nd8fzeeO2+fzqU+UjDnPx+PzeHTPfZ9z3+d9l/c57/u+HY5rUDQBhUKhUCh/IwYAM0e7tLceFAqFQvkC2HHsHETaWwkKhUKhfFlQx0ChUCgUFtQxUCgUCoUFdQwUCoVCYUEdA4VCoVBYUMdAoVAoFBbUMXzBvHqei/8baoYF4xxQVVnR3upQ/gU... | [
"the planning department meeting",
"the parks department meeting",
"the police meeting",
"the city council meeting"
] | null | 0 |
math | grade-2 | identify-multiplication-sentences-for-equal-groups | false | true | Which expression describes the model? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADXCAYAAAAgGib5AAA2yUlEQVR4nO3daWxr53kn8D9J8ZCiuImLRJGS7uLlOr524qRtHMQFZuqidg0kqeuvDjpJxjNtk8aDopO2HyYzA6QYYFpnBuOpMwWSpk2aYDKFOwiSFo6bIGk7SVM3bpKLONdb7iaJi0SJFHeKy+F8UHkuDyVxPfv5/4AL69BcnvMePuTD97znfR29Xq8HIiIiIiJShFPvAIiIiIiIrIQFNhERERGRglhgExEREREpiAU2EREREZGCWGATERERESmIBTYRERERkYIW9A7... | [
"2×5",
"2×4"
] | null | 0 |
math | grade-7 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines intersecting? | "iVBORw0KGgoAAAANSUhEUgAAAGMAAABjCAYAAACPO76VAAALYElEQVR4nO2deVDTZxrHP4FY8MBjoRbw2tGqeJTZ2SG2dV3GtrpOr0XxqFSxqGUrRYvWtMWV1rpql1pEUgRxQUUUZUdFoFTXE4q2HYjO7Fg5PMJMlauukdMSmkD2DxrKZcSQ8xc+/wXyvnmGb97f+33e931eRFqtVksfVoGDpQPo4zf6xLAiOoiRniGnuKTcUrHYPeL2L+rqGvFbEM1gF2emPzeBmTMnM+uFqQwe3N9S8dkVos4T+LQ/fUJN7YMOb5o00ZNZLz3Ds5J... | [
"yes",
"no"
] | null | 0 |
math | grade-8 | identify-functions-graphs | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAZx0lEQVR4nO3dW2xU173H8d8YfBtzcUhtoGmOY5UEH0JqW9xMUiES9aHm0ohKhSqVKoGSh6jhqZUqtVJbqU1EpSovgV5UKdBKkUpU9aBARNRKIaqi2ia4TBODDOTI9ulpY8Y5YEPG+L7PwzAza3ydsWfP3mvv7+cFz3i8ZzHAj7XW/q+1Io7jOP1j0sfD0t1JacIRAPja8oi0cpn0aFRaWyZF+kcd5+Idr5sFAIuzY5W0/MZw8sH6MmljVTLlAMDP7k5K1xLSJ2P... | 0 |
math | grade-3 | match-fractions-to-models-halves-thirds-and-fourths | true | false | Which figure shows fourths? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIIAAAB8CAYAAAClm2iUAAAu40lEQVR4nO29eZBlWX3f+bn7ffueW1VlZi1dSy/V3dVNbzRbD0hAg8BSS8PiEYyRGSmQPNiSImRFyGMJ2XLYDiNkRiuyGY2FLMFgGWiMWhg10CzdNN1VdNe+5VK5vcy3v3f3Zf64WVmVlS+Xl5W1gPITURGV79177rnvfu85v/M7v/M7QhiG4awD5wxo+eCFbPP3AFmAlAR3xKFfBWHWDsMXmre6WtvcSh5Og3zWiP4YVOFAIlLJNj/6tHw43YEZB84YIDa96It... | 0 |
math | grade-8 | parts-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAQAAAACeCAYAAADdadThAAAcYElEQVR4nO3de1hU570v8O/Mmvsw3C8ioCIgCooaFS+4czHBtDs9Z9uYzW6a44l5ksaak9TjzmXHVqM1plt3kzSpJs2lnrRJ03Qbbe3eURs0jRfAWwggF0FQCBe5MzDMfWbNOn8MLhmECDoza2bN7/M8/CHvMPMOsr6z3vf9rXdJOI7jQAgJSVKhO0AIEY5oA2DTpk1Qq9XIy8vDtm3bUFxcLHSXCAk4ErENAZqamlBQUIDz58/f0KbVanHvvfciPz8fK1asQFZWlgA... | [
"circle",
"triangle",
"square",
"hexagon"
] | null | 2 |
engineer | grade-7 | identify-independent-and-dependent-variables | false | true | Hint: An independent variable is a variable whose effect you are investigating. A dependent variable is a variable that you measure. Which of the following was an independent variable in this experiment? The passage below describes an experiment. Read the passage and think about the variables that are described. Keenan... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAFOCAYAAADtpiRUAAEAAElEQVR4nOz9d5QlyXnYif4i3fV1y1dXe9/jeixmAMwMxsByABIkLClRAAkeHpASJT3xUdI+vX3csyu32ieRq1097YEISjRLgAIIMwAJkCCAscB41zOD7ulp76q6fNX1aeP9kebmvXVdue7qwXx1sjJvRmZkRGTkF5//xG/91m9J3oa34W14G64h+P3f//2r8lwN4Fvf+KOOFymKEh0LIRr2/g8N8PGuUNygXEbnJC5CCBzbQ1VVdN2gWq3iupJcNs877ng3tZrFa6+... | [
"the type of food used in the bird feeders",
"the number of woodpeckers that visited the bird feeders"
] | null | 0 |
math | grade-1 | compare-sides-and-corners | true | false | Which shape has fewer sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAFpUlEQVR4nO3czYpTZwCH8WeScYaxahmQlm66si3FlSIIde+tuBHxBnoPIoJ4C70PN+LHyoXVfS0Igp84nZguYhg/OnUc55z3ff/v86wSAif/xY9Dck7Iynw+nz/egkev4PkMtueYNdvqChydwk+H4fs1WHn8Zj6/9az0LLOD7+wxWH34avHkhzX45ZuFfrNWez6DBy/hry348xVMnm0vXhC3JXR0urAM8GIGk9l7L5gltLT8zxwmZaeYDZvALTqBW3QCt+gEbtE... | 1 |
math | grade-1 | even-or-odd | false | true | Is the number of fish even or odd? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAClCAYAAABm8IozAAATkUlEQVR4nO3dbWxd913A8e8599wnP1w7jh+axE6TdE3KUrJkbLRUQmmFJlRgbAwEm/YGMRBaFQnxEiGEVJB4gRCqhJB4McQkKoaAF9UqhARIqTRAZYvqikC6tR2u0zS151z73tq+vr7ngRf24pg82cm5ieN8P2+ie+65x//ze/XVybnnBlmWZUiSJEnKRXi/FyBJkiTtJga2JEmSlCMDW5IkScqRgS1JkiTlyMCWJEmScmRgS5IkSTkysCVJkqQcGdiSJElSjgxsSZI... | [
"even",
"odd"
] | null | 1 |
math | pre-k | count-scattered-shapes-up-to-10 | false | true | How many shapes are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAGmCAYAAAAJTvD5AAAaFElEQVR4nO3dTY4UV9aA4VtQgJhZYgmeMbIaPGAD/naC5Mao5ZVYLaAteSneQA0Ai1HNWAISM4SBzm9gZ1MUVZV/EXHvOed5NuCQ4pzIl+vMqKPVarVqAABACtd6XwAAADAdgQ8AAIkIfAAASETgAwBAIgIfAAASEfgAAJCIwAcAgEQEPgAAJCLwAQAgEYEPAACJCHwAAEjkuPcFAMAuXr193R4+/6W9+/S+96Vc6fb1W+23739u333zbe9LAYpxgg9AGFHivrXW3n1... | [
"10",
"5",
"7",
"2"
] | null | 0 |
math | grade-6 | model-and-solve-equations-using-algebra-tiles | true | false | Which set of algebra tiles represents the equation x+3=7? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANkAAAB6CAYAAAAyNvY2AAAHpklEQVR4nO3dW2wUVRwG8G9ndlvoQqFxKW0Fia1yMxouIWDUByUEMKGaFA08mpjgg/rUaEj0mcITiSFrTDSEGPGGJhCTSmNQUEsxlItcLFgQRLaXhcK229LLzPiwDFclu7P7nz1z+v0S0nTb7X/gnC/dnWG/DTmO43SNAH8OAv0WMOaAiPIQDgGTTeDxMmB6CRDqGnacQ6liHxaRnpaWA+Gzg5lPqkuAOdFMAonIu34L6EgDiRHgzCBgpMYyX2DAiApjspnJEwA... | 2 |
math | algebra-1 | model-and-solve-linear-equations-using-algebra-tiles | false | true | Which equation does this set of algebra tiles represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAAIsklEQVR4nO3dXWid92HH8Z/OkXMca5EcGsUvlVIWk7WGbJA4hU4ajC021A4JuyxjDHZRWNl6ExoKucnVTIbBJASTERjLwhhl4HlXYY1XTLpICQY7NGuWdcaJa8uWZZXYknPs6OWcs6uJjeTC3p7z8jz6fMAX5yCe7+O7n4/O8/dQp9PpBAAAKESt3zcAAABVYmADAECBDGwAACiQgQ0AAAUysAEAoEAGNgAAFGi43zfA/93K7Exac3OFX7c+MZHG1HTfewAAZTT03+d... | [
"– 2x= – 6",
"3x=15",
"3x= – 6",
"– 2x=16"
] | null | 2 |
math | grade-1 | addition-sentences-up-to-10-what-does-the-model-show | false | true | Which addition sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAOu0lEQVR4nO3dS2xc133H8d859zEvDklREkXKrqyXZSOQZaWJW6AObDhOnC5aJH0AaRZJF80iQYqiyTKrLrNuNw3aRdGiSFCgLQqnQBpkFcRI29R2oLSGHFm2LNuiOJSsETnD4dzX6WJEvUmL1J07w8vvBxAgj8l7zm+lHw/v/V/jnHMCAAAAkAs76g0AAAAAZULBBgAAAHJEwQYAAAByRMEGAAAAckTBBgAAAHJEwQYAAAByRMEGAAAAckTBBgAAAHJEwQYAAAByRME... | [
"2+2=4",
"3+1=4"
] | null | 1 |
math | grade-4 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC3CAYAAAAo7imjAAAZzElEQVR4nO3dW28beZ7e8adYRbYlS25bsnzSoUq2++CDrKLsGQw2u0kQBBskWSyQBNiLYLHIS8i7yO1e5S5AgARIgL1YBAmwmWRz2l3MYKftJmX51G23RFIHy7JluW1Zssg65KJ4sES7R7KKIov8fi67a1rVnib08F+/+j1GGIahAAAAAMQi1e4bAAAAALoJARsAAACIEQEbAAAAiBEBGwAAAIgRARsAAACIEQEbAAAAiBEBGwAAAIgRARsAAACIkdXuGwCSbONtqNm... | [
"yes",
"no"
] | null | 0 |
science | grade-8 | identify-ecosystems | true | false | Select the temperate deciduous forest ecosystem. This ecosystem has:
long, cold winters and short, cold summers
mostly small plants
soil that is frozen year-round This ecosystem has:
warm summers and warm winters
a rainy season and a dry season
soil that is poor in nutrients This ecosystem has:
warm, wet summers and co... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOy9d7hlVX3//1pr19PP7XcqAwPMiBQBQRBUpFhQMRFFjeJXjVFjNGIhga8aUozi11iCEk1iRJGo+NNYHjTGEgREREBn6Mwwvdx+76m777V+f+w7h7kwzIDDOCj79Tz7OXPObmuvve+c9/lUcVtT61UlqBjk5OTk5OTk5OTkHBDaKTzQBdFKtM6FZ05OTk5OTk5OzoGmnYLQWuuDPZCcnJycnJycnJynBububx64/969biyE2Ot6jdz/Ee3H+Z9Idmn... | 1 |
math | grade-5 | three-dimensional-figures-viewed-from-different-perspectives | true | true | If you look at this object from the top, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEBCAYAAABCCtJ/AABD6ElEQVR4nO3dfVzUdb7//wchagKOYl6gCdpXrUhujZIYLR6oPRVu3pSEXNxKqdSzftdV0Oprv/YIaN3yVMq02Ve/gitaXiUqupa07VFsTfJ69mBsXpQTKIKEcamI4Pz+GGfSMvNiYGbwef8rEObzMv95zfv2nPfTy2q1WhEREREREae4zdUDiIiIiIi0JlqwRUREREScSAu2iIiIiIgTacEWEREREXEiLdgtYNmyZXTu3JmHH34Ys9ns6nFEREREpBlpwW5GZrOZhx9... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1AAAAEBCAYAAAB2VkRKAABKo0lEQVR4nO3df1TVdb7+/SchaAJuxVTQBOyrliirrSRKowdqTkWjSxklB8dJcVLP+B1HQatjd3MEtFaeStlNdustOKKNiomKjiVNcxQbk/y952BMpuUOFEHC+KmI4L7/2LLHGjOUDRu212OtVgMBn5exWmuu9b4+r7eb1Wq1IiIiIiIiDuHm5ubsEaQF3ePsAURERERERNoLBSgREREREZEmUoASERERERFpIgUoERERERGRJlKAagXr1q2jW7duPPbYY5jNZme... | 1 |
math | grade-4 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater perimeter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAI4AAABqCAYAAABqKGmcAAAK7ElEQVR4nO3df0zTdx7H8WcLKKBY+SGTqefNCczhRCUck506fl1FKBMQ6fljLlM3ICJs/tiEw+g0OSMzjl0cI7m5OM4FUCS31T9YMm6RzMAMZpgY5AADGUl3Qxirlg4Een+gTFRw1n77bevn8Y+Wb0tfmlc+fffLtx8UZrPZ/OMAtPbBjSEYNCMI93FVgJcLBHrCU5NA8WO/2fydQe5YgiOJmAauLX0jNwImQfCUkVYJwr1uDEGzEfQD8N8+UBoGRw6I0ggT8XI... | 1 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAaVklEQVR4nO3da5BV5b0m8L80DdXdtnJRaIVgoxgLNUMKlEhbamKMmrRGKxUnTpmqGOtEP5iySnMho0kRUyokMSknJpaXM2WdQ27HODmIhzGcqPHCJRoREi8RURuIKB7uYLcBpfd8mLGOmYJI937Xftfe/ft9ptb7LB+sfmr1Yu+DKpVKJQAAgCSG5Q4AAACNxMAGAICEDGwAAEjIwAYAgIQMbAAASMjABgCAhAxsAABIyMAGAICEDGwAAEjIwAYAgIQMbAAASMjABgC... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAAsBUlEQVR4nO3dfZSddXkv/CszmaSZMCFvkgHiZIJBjOCJJwFKYgF5kbeA5PgI0oUekWOhXfZQURAt7YNaedFKj0KxoPTYihYEHg2JOZpWAU1IIBiCCkgIMEkkMDHvCTOSwWQ/f+QkJUJgZvbe8/vte38+/8xarL3v+/pysfbi/t77ZVBElAIAAKiIUqkUnT0RT3dHbNsR8Xv/tw3QL4MHRbQ0RhzaHDFuSMSgUGAAAEDFdG4vxZKtqacAKJY/HhExOPUQAABQJCu... | 1 |
math | grade-3 | choose-the-appropriate-measuring-tool | true | false | Which tool would you use to find out how long you slept during a nap? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACnCAYAAADzJ6XqAAAWAElEQVR4nO2deXAc1Z3HP62Z0Wh0WbJ1WJZsEyNbNmE3dmxjWxw+UjhbifljsyEsWxASFsg/ZqtCLQlQKf5I1YYkG4pQyR/LsUCFysZkl2UBs+BikeyUCeBDsh1hLNuSZcs6rMOSNSN5NNPTb//oY7rnkHxoLul9/ml6JKRu++Nvv37v995ThBCiPwSnJ8AfAVUgkVw1bgVKXLC8EKrzQemfFOLAWKYvSzKb2FAK7lMT+klNPjQU6dZJJFeLPwLt49AXgpMTkDe... | 1 |
math | grade-5 | multiplication-input-output-tables-find-the-rule | false | true | What is the rule for this input/output table? | "iVBORw0KGgoAAAANSUhEUgAAAFgAAAB/CAYAAABrPAW6AAAKc0lEQVR4nO2de0xUVx7HPwMMLxlBHBhBHsPDrcTWYkSptNrFbouPpWmIdi10TW3Xta2blUibVuhmK0pibaU1TcoWHyHG1kcb/xA1SNwY0+DapE1s2eqmHdEFQRhgisCIzAxz9w+c0VlJCvUcBDmfxD/mzOV8f3y8nHu498xB95/8Ro1xQOy2SFrett3vMkbEQ5/F43e/i3jQUYIlowRLRgmWjBIsGSVYMkqwZJRgySjBklGCJRNwL18c+5epBMbpufJ2q6h6hOAXrMO... | [
"× 9",
"× 6",
"× 3",
"× 7"
] | null | 2 |
math | grade-2 | choose-the-appropriate-measuring-tool | true | false |
Which tool would you use to find out how wide your bedroom is? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACoCAYAAAACcRc/AAAfeElEQVR4nO2de1gU193HvzMLKLsgyFVEEBQxIkaMYrxyebUxNxvT2qBpEzV5+rZq2tRo+7apiZcmaZJqak2jadIYYvp6yauvvLmYRFGBGIws0bUCCoJZBbyAICC7y23mvH9sdt3Z3ZmdhZ3ZBefzPHnizDlz5szsl3POnPM7vx9FCCHXuoBqI3CLAXoIFBTcxo8CglXAGDUQHQBQ1zoJKWnzdrUUBhL3DgH8LhjNBzEBwFiNWXUKCu5yiwEqDcDVLqDKCNBtPeY... | 3 |
math | algebra-1 | interpret-a-scatter-plot | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAl0ElEQVR4nO3da3SU5b338V8CkoOTQ6EhJzPBFU7lKeGQ0M1phk0XchBGrK5Wl7Q8dQsSu5CK7bZYty52kTb1kdqWQ4MutVWyS2tklUIVlVoygQVIhkOoNSjWZDSYiVYyJEACIfO8YDs1hKEEr8w9M3w/r5j7GvP/3foiPy+uuScuEAgEBAAAAMCIeKsDAAAAALGEgg0AAAAYRMEGAAAADKJgAwAAAAZRsAEAAACDKNgAAACAQRRsAAAAwKCIKthtbW1qa2uzOgYAAAB... | [
"negative trend",
"positive trend",
"no trend"
] | null | 2 |
math | precalculus | solve-a-triangle | false | true | In solving this triangle, which law must you use first? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACWCAYAAADkHv8wAAAbc0lEQVR4nO3deXSV5dnv8e+GICEQBrGAKHOQVya1oCiDUN9aUVREJhUnjssWjlZBhFWk8LZaDg4gKmBxpqeWtlgEWYXgUBUJiLQqRcAjxjIo0QJWkCFBCPv8cQMBwRDJTp7s5PtZi6U7zyb74h/95cf9XE8sHo/HkSRJkpQQlaIeQJIkSSpPDNiSJElSAh0RsB944AFisRjLli076o3Z2dnUq1ePAQMGsH///lIbUJIkSUomscPPYG/bto1GjRrRq1cv/vSnPx160+b... | [
"Law of Cosines",
"Law of Sines"
] | null | 0 |
math | pre-k | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 6 − 5 = 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUQAAABKCAYAAADDly0CAAASsUlEQVR4nO2da4xcZ3mAn+8758zM7uzF3l1fE8d2fE2waUwS2wHaEBogIQ0qJFIEAeyKVlVRVWhBFa0EUasK/lTAj1IQUNUOGAo4CJK6TZEIl5jYcYjtxElMfIntxNm1vbv27lx25ly//jhzXe9ldj1jB+d9pJV3Lufb7zmv9Z7zXY8yxpgzHhwbg2wIgUEQBOFNga2g04JV7bAgAeqMa8y+zJWuliAIwpVlUxfYR8fiF4sSsCYdZ0tBEIQ3A9kQXs7DgAdHxkB... | 0 |
math | pre-k | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAWTUlEQVR4nO2dTXAbx5XH//ONjwFIAqREyinCVWtqbUm7VZZcG/sg+aKtWHFyWPuQS5zLHuTr5hzfkrOv0WFP9iUHabeSiuRUJQdTh01SFlW1pY9E8lYZrDIJmQAoAIMB5qNn9tDoIUBCIiXOYGaA/l0kQSTQmP7Pm9evX78n+L7v12zgaxPoEMD1weEkDlkAChKwlgNOqoBQs3z/r+24h8XhHJ3vFwH5sUn/saIC/5inquZwkkaHAH/vAts28MgExLZL/4OLlpN... | 2 |
math | grade-3 | fractions-of-a-group-unit-fractions | false | true | What fraction of the shapes are squares? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAIAklEQVR4nO3dT2+U1xXA4cPYxDXYDDYMOCSLLLup1K77bbLuh8miXSSLbmALWRK2oOyIuogUC0VGHcQgWx4LWRajDvLIXVh2qMhMD3A97595ng/gufx0NDp6jd976eTk5CQAAIAiOlUfAAAA2sSCDQAABVmwAQCgoNYu2AdPX8fB09dVH6P2dMrRKUcnSjJPQFO1csEe74/jl29+jV+++bXqo9SaTjk65ehESeYJaLJWLtjPvnte9REaQaccnXJ0oiTzBDRZ6xbsw+2... | [
"1/3",
"1/8",
"1/4",
"1/6"
] | null | 3 |
math | grade-4 | decompose-fractions-into-unit-fractions-using-models | false | true | How do you write 5/6 as a sum of unit fractions? Use the fraction strips to help. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABsCAYAAABQF8VPAAAIiElEQVR4nO3dXWyddQEG8Ods7cq+2n1QKDLEERPYLviYGmEMY0AmEkeQCMinKISE8JF4AxdiMOgNHzEa1AuzKAmRxSiJRCGYCSYogsKSJYCaMdhWYE5AKO3aboye48WyZZkxDvLnfct5f7+bntM0eZ/npufJ2/85bXX2vNHJqz9MRv+SvPtWAPgQ6FmY9H86OfqGpGdx3WkAOECr89I3Oxl5tO4cALwfC85Kln637hQAHKAnY0/vfbTkmmT20nrTAHBoJrckr6xNxp6... | [
"1/6+1/6+1/6+1/6+1/6+1/6",
"1/6+1/6+1/6+1/6+1/6",
"1/5+1/5+1/5+1/5+1/5",
"1/6+1/6+1/6+1/6"
] | null | 1 |
math | algebra-1 | describe-linear-and-exponential-growth-and-decay | false | true | How does f(t) change over the interval from t=
–
8 to t=
–
6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAByIElEQVR4nO39eXxT9509/h9ZiyXL+4JtDDb7YrAhLCEQaMiQJmmWtpBkSJNASNPpJA1Nl0kz/TSd/tpOyiPTZTrNZJtsQPJLW0pDSFkMhUCAmoDBAYMNYXHA2IAX2bItyZKuru79/iHkhSVIcN++ln2ej0emY9k6fnGvdHV0fXWvQVVVFUREREREpIk4vQcgIiIiIupPWLCJiIiIiDTEgk1EREREpCEWbCLqYdu2bRg2bBjuvvtuAMC9996LDz74AABw/vx5bN68Ge+... | [
"f(t) decreases by 3",
"f(t) decreases by 2",
"f(t) increases by 2",
"f(t) decreases by a factor of 2"
] | null | 1 |
math | grade-3 | coordinate-planes-as-maps | false | true | What is at (4, 1)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAETCAYAAAAMFHHvAABQoklEQVR4nO3deXyU1d3//9e1zJI9QMISVNxFUVxSwVo3EHEpgq1Y3NuqdWu1rS3V29beva337VKt1talWvXb1qWL/aG1bghuVavViLiABUHAQAhkn8x+Lb8/QgZiFpIwYRJ4Px+P0dmucz4zQOY9J+c6x/B932cQSqTStLbG+3VsLJ7Eqa6ibP3LmEVlmKF8ANxUkuiGGlLD9iN06OlYltnpWMsyGVZSuE21i4iIiMjOy851Ad3xPY9U2u3zcclUCn/dIsrWv4xVOhr... | [
"hospital",
"garbage dump",
"office supply store",
"art gallery"
] | null | 3 |
math | kindergarten | represent-numbers-with-shapes-up-to-3 | true | false | Which group has 2 rectangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAADH0lEQVR4nO3cvYpVZxSA4XXmrzCadAkhdZI6lW28BO9Dr8YL8RK0sLKxNqaVTNoZHXAyw05xkAwEJmZA93mZ56nOZsNmffBy+Kq1WZZlOT6f+f1s5vRy5mIZ2DkHm5l7+zM/3pn57mhmc/xhWV6erD0WfLr7X88cvDnbPnx/NPPzV9uqYdecXs68fj/zx/nMb2czeycX2xeiZZfd2982OjPz7nJm7/LKC9hlHxv9a5nZW3cUuBnhkiRckoRLknBJEi5JwiVJuCQ... | 1 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-5-dollars | false | true |
A blueberry muffin costs $1.65. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAGNCAYAAABkJQUMAAEAAElEQVR4nOy9e5wkVXn//96VS7XcThGQLq97NJLUiJFuIDJtFLdB0QYVZzToDKDsoN98nfW6o8HfDknUXZLojMoXxnhhiDHuRMUZRNxWovYSE3u8YDcxuhU1elYjVns9BxSquNm/P05Vdffs7E1QNqQ+r9dMd586de6n6nme81zWdLvdLjly5MiRI0eOHDly5HhIYO2D3YAcOXLkyJEjR44cOXI8cMgJ/Bw5cuTIkSNHjhw5HkJ4wAl8c08XeePtlBq/xNyTa//kyJE... | [
"no",
"yes"
] | null | 1 |
math | pre-k | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 3? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAZ6ElEQVR4nO3daXCch33f8e/z7H3v4ljcBAEQBEEQJEXxECmRkmVLikZHEk0dj9vaaWZU1y8yHrtN0rgZN6mmzjQdJ3EzTifJTKVJbad2J3JTObIsyZJMHbwgniIpEAABEjcWWOx9PHs8T18sQUmO40wFEg939/95I1IgiOfZ0VfPLh4AP8UwDGOxABNZSJWhZCCEuE2sCvgs0O+GFjsoi5phnEqafVhC1J8DfrCOZyu/abPDgKdSpxDi9kiV4UoGFgowlgU1Waq... | 0 |
math | pre-k | fewer-and-more-compare-in-a-mixed-group | false | true | Are there fewer rectangles or circles? | "iVBORw0KGgoAAAANSUhEUgAAANgAAAA2CAYAAAClblcfAAAGDElEQVR4nO3dzW/TZhwH8C95M7YxbpekKY3aoFbqCEgcKNeyTTuMaf8C7MjO25XzruM8jhvX7TaJHaZN7RU4IJWwSO1mBk1NnLXGxO4Tu+kOrqFQMtKmiV+e30eqKiG3+Rr3K789fnxid3d3F4SQoUiFHYCQJKOCETJEmbADxJVZswAAnu0BADKS/1+pVpXQMpHooYL1gTUZjPubMGsWWvc3+/qZ/MI41KqCwsI4hKIw5IQkqk7QRY7e9GUD2k9PwYzOq3/LZrLIprP... | [
" rectangles",
" circles"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAU+ElEQVR4nO3dTYwe930f8N/M87LL5ZLLsBJpkrJUlGqcuJaMKBHUg20BQREXAZxTLy7aAi3QQ5FjcglgI23tq08FAvTUgw4qkPRkoLWMIoEUF07LyqgYWZZlMXAY7VIk5SVpcrnc52Wmh/Xyxdxd7svzzMwz/88H0IXaZ2e+/98zwHdm53kmK8uyDAAAoBXyuncAAACYHAUfAABaRMEHAIAWUfABAKBFFHwAAGgRBR8AAFpEwQcAgBZR8AEAoEUUfAAAaBEFHwAAWkT... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAaT0lEQVR4nO3dTWwc533H8d/Mzi6XK4pkWFmySEcuSrVpUstB7QruwbGBoKiLAsmph7poCyRAD22OzaWAg74kV50KBOipBx9UoO0pQGsFhQ0pLpyGlVsrsq04UuCw2qXesiIjkcvdmZ2nhzUlKlxSu+S8PDPP9wP4YIq78/yf/3Iwv51nZjxjjBEAAACAUvA8L+8hWMnPewAAAAAAkDaCDwAAAIDSI/gAAAAAKD2CDwAAAIDSI/gAAAAAKD2CDwAAAIDSI/gAAAA... | 0 |
engineer | grade-8 | identify-laboratory-tools | true | false | Select the round-bottom flask. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAAoKklEQVR4nO3de3hcd3kn8Pd9f+ecOaORZNmJHdsJvoQEEtgQEihLW1IuDZSUSxIg7j7bbvdxgi3JhgDZsvu0hSIaoBeWtEuhIckD9Nm2WxoK5dKWbhfCliblspALpnEcW7ZlW/frSHM5l9/vffePkYzGVhLHkXSko/fzjz3naOZ8H8189TvXOQBKKaWUUkoppZRSSqllgVkHUM0++clPFoiolYjWiee1A0ALArSgg3WI7DHiOp/8kMG1ElGAgu2IiMwcImIRAAA... | 2 |
math | grade-3 | compare-fractions-in-recipes | false | true | Does this recipe call for more black pepper or salt? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAGeCAYAAACuOnbpAAB0aUlEQVR4nO3deXhM1/8H8PdMJpmsEglZRK2hRSLIFKWIrbZErbW3+eFrSYO0olVrbKUooVGJokoRSzWttRVqawVBkEYQRBNJRBLZZJ2Z+/sjzW1GVsxI8H49T56nc++553zuneh85uRzz5UIgiDgX4IgQK1WQ6lUij9SqRT6+vqQyWTQ09ODRCIBEVFpBEGASqWCUqlEQUEB1Go1ZDKZ+COVSvn/ECIieuVJihJstVoNlUqFgoICFBQUQF9fH0ZGRvwwJKJnJggCcnJ... | [
"salt",
"black pepper"
] | null | 1 |
math | pre-k | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAYEUlEQVR4nO2dSXAb15nH/72jG01QBChxcRXpqpgaa5mDlhrZB8kXT02U5RCpKrkkuczBOWZydm7WNancRoecnKuXSspRpsaXUAcvpeUwIuWITpVIl7mIBCkAjQZ6fXN4fA2ABGk0NjaA96tSSQJJdBP966+/971NIISQTRf42gZKAeATcDiJQxaAMQlYMIApFRA2HUK+LJ70aXE4rXMtA8grNv3PjAr8S5pazeEkjVIA/KMMbLjAMxsQiz79ApeWk2TGJOooAFg... | 2 |
math | grade-7 | front-side-and-top-view | true | true | If you look at this object from the front, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEnCAYAAACT/zRUAABMG0lEQVR4nO3dfVyUdb4//tdwJyI3kzdpos7YzcnMhHa1Le0EbnssdQu0TEtj4OxR020DvKlvu6szaO0+foGBnT0i1h5uWktTk9yfWP5OzbgrrgXn65AaWm5coRII2nArIMz8/hjnSoYBBuaamwtez392GeGaD2k9Xrx9f95vhcVisYCIiIiIiCTh5+0DEBERERENJgzYREREREQSYsAmIiIiIpIQAzYRERERkYQYsIkGGZPJhKSkJCgUCqSlpcFkMnn7SEREREOKglN... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6AAAAEnCAYAAAC37y74AABVXUlEQVR4nO3de3iTBZo//G96ovaUyEGQAgmiKyLSMkMdBXdaxl0VGKWgjCjYlN0BhHFsA9RZZwaSgs5cry0muDuUors9OCgISMWXorw/J2GGMijdH6mAgDL0kUNtacG0TUtb2uT9I/SRHlLa5kmepP1+rmuuWUqb3Azg9ut9P/etcDqdThARERERkSQUCoXcJRD5rSC5CyAiIiIiIqLBgQGUiIiIiIiIfIIBlIiIiIiIiHyCAZSIiIiIiIh8ggGUaICx2WxYsmQ... | 0 |
math | grade-2 | compare-vertices-edges-and-faces | true | false |
Which figure has more edges? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAAQLklEQVR4nO2de1hU5b7HPwMoBuLgDcWkYaukiSXZbpe3oG0nO7u2+lge3GcnQ6LoyY4gqKUdBY2dpglkj6EpB0uzJA00o5vIpVK7yWRiEsYlwVFQUAaBgZlZ549p6EYerVmzZmatz/P4KDM47/eZ9zPvu9bvfWctlSAIwrl2ON0CBjOYBBTcGC8V+HlCiA8M6A6qc0ZB+KxJ6lgKUnBXL/Aqb7H+ENgdhvta7VBwXwxmKLsC+nb4tgU8mkzWJ5TOlwd+nta+Bmg... | 0 |
math | grade-1 | interpret-bar-graphs-ii | false | true | Ben went to the beach and spotted some sharks, otters, seagulls, and fish. He made a bar graph of the animals at the shore: Which animal did he see more of, fish or sharks? | "iVBORw0KGgoAAAANSUhEUgAAAk4AAAFfCAYAAAC4O0NWAACGwUlEQVR4nOzdeXydZZ3//9e9niUnOUnapE33nbZAW2hLESyUXUQBQUVcBhxUFmWdURnlO+KMv3F0XIAZZERGijMoKjOAoAKylEKBAqUblLJ0SZsmbdZzcpZ7v+/fHydNW2lp0iUnbT/Px4MHOefc97k/9500553ruu7rUqIoihBCCCGEEHullrsAIYQQQohDhQQnIYQQQog+kuAkhBBCCNFHEpyEEEIIIfpIgpMQQgghRB9JcBJCCCGE6CMJTkIIIYQQfSTBSQghhBC... | [
" sharks",
" fish"
] | null | 0 |
math | grade-3 | which-picture-shows-more | true | false | Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlYAAAGUCAYAAAD3bWw9AAEAAElEQVR4nOz9PYwkS5bvif3e24eFBYklzAACdKNUJhCEp+ZBgchYqWK0aFDJWqmSUmdr2VoVpVsjTV2JdbWb2mRLkyWxUiBxQ3tR0kYAFMK1dPADsNLcARIwwy65blzuw1A45h+RVbd7eqbx5nUxDlAVGREe/mGf5/zP/5zzb/7xH//xH7v/Hv7v/x38t/8B/od/5CxnOctZznKWs5zlLP8E+Xf/Bv6L/wz+F/8j+J/95/Bvuv/PP/7j//m/+de+rbOc5SxnOct... | 1 |
math | pre-k | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJgAAACaCAYAAABVCoEqAAALMklEQVR4nO3daWwU5x3H8e+ujzXetQ0+sA1JDBiwSYAcQByOBHFUFSVJG6XplahRVVVKW/VQ+6ovGkVq1Rftu1ZNq6pV21RR1aCmbaSmhCQlpBzhDGmxMcYmJgSzFJuA7112PX3x2IIklHiOZ56Z2f9HWsEa5pln9/n5mWfneWY2ZlmWlc5C9ygM5SFnIYRjxTGoKIJF5VBfCrF0xrIODJquloiitkooPjmqnjSWQktSpU8Ip4bycGIEzmWhaxTigzn1DxIu4YW... | 0 |
math | pre-k | what-comes-next | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD1CAYAAAAlI4EUAAAVLElEQVR4nO3dW4xd53ke4G/t0wxHQ86IoMiS1CHJqGLt6ABYoS2gFlUYjXQVxRdtEgOBgRrITVIUBZrkykbR2r0p0MteFCgQoDcq0F44MYpGblHAslEnURRAkWQpsqiYrEiJIjMkTc6Qsw9r9WJreJB4mDV7z1qL/34ewDBgi2v9evVpr3f++ffeWVEURQAAAElo1b0AAABgehR8AABIiIIPAAAJUfABACAhCj4AACREwQcAgIQo+AAAkBAFHwAAEqLgAwBAQhR8AAB... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAAD1CAYAAACRDCAyAAAahUlEQVR4nO3dS4xc150f4P+99eiHmt0tgiKHpERl0ow08pASYA5tAbGowMhYq7G1SDIWMDAwAmZjB0GAOFnZCBI7mwCznEWAAAay0QDJQh4jiOUEBqQx4odGnmgkWRqbdCSGpESxp9k01d3setybRav5ENlk366qW9W3vg/QwhJ56/DH4+rzq3PvqSTP8zwAAIBKSJJk2EMYSemwBwAAADBoig8AAFB5ig8AAFB5ig8AAFB5ig8AAFB5ig8AAFB5ig8AAFB5ig8... | 0 |
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