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 | precalculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AAB2yElEQVR4nO3de3hU5b02/nvNeZJJMjknJCQIKDUIKAgaBaWVKpXWFlq3tru1h7f91b7Vtvu12sPubq/dUtsLdbd202723vVVW323La2HKkbUgoJBRCJEiIgYIeQ8mWRmMsd1mLV+f8REwnEC68maJPfnurwwkzX3fBlm1nzXM89aj2QYhgEiIiIiIjKFzeoCiIiIiIgmEzbYREREREQmYoNNRERERGQiNthEU8iWLVswY8YMrFq1yupSiIiIJi2JJzkSTR0rVqzAF77... | [
"yes",
"no"
] | null | 1 |
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 | [
"iVBORw0KGgoAAAANSUhEUgAAAUYAAAFGCAYAAAAW1zbwAAAnFUlEQVR4nO3df3AT14EH8O+urB82loxVA2MIoAkyxOQcpxhknKCZkGtU5i43N+2ExGmTtLVpm3MKoddJm9zQscv1uFGhXEOAI0xST+ZaX/jRJs11MuUyF6h7xMhKXX7aJLaLGgIcmAj/ELa8+rH3h+MNWmxs4MmSre/nD6x9Wus9Gfurt7tv35NUVVX/TwE6+oG+GBBVQUSUUbIkwGoAinKAWSZA+r9BVW3uTXWziIjSQ7kNyGrvH9ooNAGLpg2lJhFRJumLAR9... | 1 |
science | grade-4 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAACj3klEQVR4nOy9d5wkV33u/T2nQuc0PXl2Zjav4ipnkDAiGTDYJtnGAWxfc/3ar/EFJ8y1/Trb92KcsI0jYMAGTDJZZBAKCKEsbU4TdnLq3BXOef+oTjM7u1qtdrWpvvup7erq7urqmurq5zz1nN8RWmsNUKvVmJqaolAo4HkeISFnG9M0SafTDAwMEI1Gz+h7hcd/yLlGePyHXMw8l8d/SMiFiNBa62q1yoEDBxgdHSUajWJZ1tnerpAQXNelVqtx+PBhtm3bdsZO8uH... | [
"soft",
"blue",
"scratchy"
] | null | 1 |
science | grade-2 | identify-solids-liquids-and-gases | true | false | Select the liquid. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AABfvUlEQVR4nO2dd5wlVZn3v+dU1Q2de/IwwzCkIYOSQTIiqLCouIb3FRV1zS66GABFUHRd91VXwIASVBZkDaDAggRJQwZJAwwzpBmYHHo63lh1znn/OOdU1R2COIHpgX78XO/c7kvfulW/evLze8QDg8bs0A6dAWMyJq+pDCuYX4FlTegN4aAe+3M5Bsgx2VTSGcAO7fbfIyr7uRwD5JhsSvH4i032M7lpDmVMxuTlZQyUYzLqZAyUYzLqZAyUYzLqZAyUYzLqJNz... | 1 |
math | grade-6 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 6 numbers: How would the median change if the number 6 replaced the number 1 in the set? | "iVBORw0KGgoAAAANSUhEUgAAALsAAAAkCAYAAADRoEv8AAAE/ElEQVR4nO3da1BUZRzH8e+eXXdhSTAUEtJEHZRMkZHRuBhMmpaoKSjjbYxSsynNdJwuOjn5RpxyMqfblLfSzAbGUoIyMktSEVnvUilqXsiSoBQVlr2d0wvDAXWqGc6zh9zn826fF8/vmR//Yc7ZcxhMmqZpAF7NTaOvAVXzARqS9P9mQjGZCTLbsZis11Y0TdNcvnpcqtPgw0mSGDbFjs1sx+JV3XLQpduaS23AbLKguOWgSwHArTpRfJrX6HNIknA+zYuiyZtRKQB... | [
"no change",
"decrease",
"increase"
] | null | 2 |
math | pre-k | select-solid-shapes | true | false | Which shape is a cylinder? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAUoUlEQVR4nO2d2W8bSX7Hv81unhKp+7JuiaJkjyeZHXgw3iPrhx0gG2ASIEBekqd9y/+Vpw2QALubzQaz4/Hosm7L8m3dtmVZx0iixatJdjc7D9XFS5QsiU32wfq8eIYSqBb51Y/VVb/6FKeqqrqfBjYSQFQBZBUMhukQOMDPAyM+oMMFcPspVV2IGH1ZDMbl+ToACOsJ8j9dLmC0jqSawTAbUQVYjQN7aWAtATgiMvkCCy3DzPh5klEAiCmAQ8n7AoNhZmhGJRV... | 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/t0lAAAkfklEQVR4nO3dfXCU1eH28SuAkKQom4RUEl7cBMhiWiYbFy2EGROK40AxGmwtba0KVkBsiyK22v4h8edLsSMliqKgo1FpqxYVC1V8bCCURsC6soyKJGOTwEI2IjGLYBIR2OcPSzQmu4Tsvfe9L9/PjDPufULOxctMrpycPScpEAgEBAAAAMAQ/awOAAAAAMQTCjYAAABgIAo2AAAAYCAKNgAAAGAgCjYAAABgIAo2AAAAYCAKNgAAAGAg0wp2R0eHOjo6zJoOAAAAsIR... | [
"negative trend",
"positive trend",
"no trend"
] | null | 2 |
math | grade-8 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{NP} and \line{QS} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAf+klEQVR4nO3de1CWdf7/8dcFiLrVQpiHiAJxPYSSKJqti3IwssNq0FZb2npoO4yHik1dy6lEmybbLO92N5tOpI61m7jrXdaYEYrBeChuBXEMNRHWe6YUF2E9kKjcvz/8eX8lAUGu+/x8zDjjfX0uuN7X+6+Xbz/XdRsOh8OhAFRbWytJCg8P92gdvor+AQAANC/I0wV4yrJly7Rs2TJPl+Gz6B8AAEDzjECdYMfExMgwDB04cMDTpfgk+gcAANC8gJxgW61WVVVVqbK... | [
"\\angle{SRO} and \\angle{NOM}",
"\\angle{SRO} and \\angle{SRT}",
"\\angle{SRO} and \\angle{QRO}",
"\\angle{SRO} and \\angle{NOR}"
] | null | 3 |
math | pre-k | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAR6ElEQVR4nO3dTWwU5+HH8d8zrzs7s17bu/YaLw0vBUKQKFGrNkRqk0MrRa3UFzW3tsqpF+7tuafeIvWYqodeglqpUqCkUlCqKsVtJRzaJiWbhhAbcAJ2vAYveHdnZ3Zedv6HxcYuELC98Mz88/tIyAu7Hj+r1dfP7Mwzi0iSJFkMgNkO0IqBKAERPSKaAAoqsD8PVAxALHaT5FxT9rCIPn+eGQK0mU7/LzsM4Em7XycRPRqtGLjoAp8GwEcdQGlG/TsYH9GjV1D... | 1 |
math | pre-k | tall-and-short | true | false |
Which filing cabinet is shorter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGoAAAFYCAYAAAC75GmFAAAVbklEQVR4nO2dW3CT55nHfz5Itk6WbRnbYAswh0CwE0oISSPapTTp1s4unaTbrJmethcLnensXnS6Saczuzd7sTNNu5NtZ6ezE5ItTXZTnG3JcWO6tCFJY1EgHAo2BmNjg3yQj5Ksgy3Lh70wcoVkg20s6Xvt53cDxDq8X3563vfR9/6/zxlTU1NT7jFoDYF/AsanEDRAdgZYsmCzEUr0kOEOT02dHk73sIQ78WgeZF8LTf9jtR62mKYtCunHPwFXg9AzBi0hyBw... | 0 |
math | grade-7 | classify-rational-numbers-using-a-diagram | false | true | Use the diagram to help you answer the question below. Which of the following is an integer but not a whole number? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEuCAYAAAC08GWcAACFUUlEQVR4nO3dd3hUZfbA8e/0mfSeUEJICL13LAgIiiIKClhA0XXVtWDXVde+tp9d17JrWQsq4gIKCCKCSpEOUqWTUAKk18n0mfv74yYDSIckU3I+z5NnhkkyOTMkd86ce97zahRFURCiESmw+ThQ7aXU4aParWDz+LB7FGxuBZtHUa/X/Nt/vfZ2t+8YtylUudU/o0i9BrNeg1mnwawHi//6ocs/32apuS3WpCXOpCHepCXerCXOpCXepF7GGDUBftaEEEIIcao0kmC... | [
"–126",
"– 1 5",
"62",
"– 1 7"
] | null | 0 |
math | grade-2 | interpret-bar-graphs-ii | false | true | Justin went to the local hardware store and bought some rulers, pairs of scissors, hammers, and garbage cans. He made a bar graph of the items he bought: Which item did he buy the most of? | "iVBORw0KGgoAAAANSUhEUgAAAngAAAFfCAYAAADd1rEpAABr40lEQVR4nO3dd3yV9d3/8df3GmdlnIQMSAhL9pAhCi5k1L1rtYi2VasVpe67VtvaqnftbXcVb7VVW7G/amurN9ZRq1ZExIES2VNWIBAC2eOcnHOu8fvjhAORGUhyTpLP8/HgYc451znX5zoeOO98p3Jd10UIIYQQQnQZWrILEEIIIYQQbUsCnhBCCCFEFyMBTwghhBCii5GAJ4QQQgjRxUjAE0IIIYToYiTgCSGEEEJ0MRLwhBBCCCG6GAl4QgghhBBdjAQ8IYQQQog... | [
" pairs of scissors",
" garbage cans",
" rulers",
" hammers"
] | null | 0 |
math | grade-2 | greatest-and-least-word-problems-up-to-1000 | false | true | The manager of a party supply store researched how many balloons it sold in the past 4 days. On which day did the store sell the fewest balloons? | "iVBORw0KGgoAAAANSUhEUgAAAWIAAAC9CAYAAACJQ3c0AABAdUlEQVR4nO3dd1gUx//A8ffBgYDAgYKIRrCh2EWMvcZYYqyxJRIV/CXGFGMhtsRYEluwl1gxUb8RRWI3MRoLGntECRrFhoBRVFBAerv9/XGycFKP4onO63nu8Zid3Z29dT83Nzuzo2i02lNCEARB0BslgGefofouhyAIwmtp0V4fDPRdCEEQhNedCMSCIAh6JgKxIAiCnolAXIYkphvwVaAD0y+/QWK6OHWC8KoQV/NL4mK0GbvvWecbYIPjTIhKURKeaIx3iO0LLJ0... | [
"Sunday",
"Monday",
"Tuesday",
"Saturday"
] | null | 2 |
math | grade-3 | identify-unit-fractions-on-number-lines | false | true | What fraction does the number line show?
0
1 | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAoCAYAAADE3o01AAADa0lEQVR4nO3csUscaRgH4HeXFfdsdGPheiCksQgKQg5ypdHCJmcbsLs0Qv4Cy6wQQTuxsrJKLKwsXA7TxCvEyoCIhWUSREW8JkJOUfeKoFccUcgNzs74PNUy+xU/eBn4zcfMV3j79m2jUCjE2NhYkH2Li4thnvlglvlinvlhlsBtSp8/f047Awkyz/wwy3wxz/wwS+A2xbQDAABAnijYObF2sB9Dq/WY7HoQk10PYmi1HmsH+2nHAgC4dxTsHKhtfYihd/VYO9yPr8V... | [
"1/2",
"1/4",
"1/5",
"1/3"
] | null | 1 |
math | grade-6 | rotational-symmetry-amount-of-rotation | false | true | This image has rotational symmetry. What is the smallest fraction of a full turn you need to rotate the image for it to look the same? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAfbUlEQVR4nO2deZAc5Zmnnzcz6+iqvls3khD3LWwjIyQkkHyAMWDv2oM9M2HHhi/mssFe2+GY3dhYR+zExGyMPQMSOAjGHnvt3Ykd8IzHa9AwgEcyQgcgwBhhQMIIELqlVl9V1VWVme/+0UJSq7urq7qr8stqviei/1ArO99fdecvv+v93g8sFovFYrFYLBaLxWKxWCwWi8VisVgsFovFYrFYLBaLxWKxWCwWi8VisVgsFovFYrFYLBaLxWIZHzEt4N3I4LbrLhHhZlV... | [
"1\n5\n of a full turn",
"1\n3\n of a full turn",
"1\n2\n of a full turn",
"1\n4\n of a full turn"
] | null | 1 |
science | grade-2 | identify-plants-and-animals | true | false | Select the plant. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADeCAYAAABL7FARAADcV0lEQVR4nOz9WcxtW3bfh/1ms5rdf91p7zm3rbqXrJZVRRaLVSQlU40lSxYsO7EsKAoCBA7ip+Qhjg0DQYAgT3kwECMPMYQ4sWFZDxYc22ptOZRkiaJJFVlVrP7Wrbrt6b9+d6uZTR7GnGvvU6IN8Z48OIA2cHHP+c7+9l5rrjHHHOM//uM/1D++ivGtCcwM/+z1z17/o3wtPfxwDY86OLTwywfyc/3PDPefvf7H/poZeGsif1753c/1PzPcf/b6/4dXttM+7n5... | 1 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADyCAYAAAB3e7J8AAAfU0lEQVR4nO3df1TU973n8df84jfMqCCKCETjj2gUom2qKSkktZrTdiu927Tb5pyrbtPu3XvaG0z3j/acbUNu7zmbs+dsJNl7bret3eA9J7l7k57N0N7N3Ri3kmprfpqJBkMSxREQAUGGXwPCzHf2j4GJCCYK35kvDM9HzhxgnANvxD+efPL5fr62SCQSEQAAAABT2K0eAAAAAEgmTqsHiAe/368LFy4oEAjI5/NJkhoaGqa8brrnJpSUlKikpGTa5zwej8rKyiRJpaW... | [
"square",
"decagon",
"circle",
"rectangle"
] | null | 2 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAADICAYAAAAeGRPoAAAp6klEQVR4nO3dfXAc5YHn8W/3aCQ5Glm2LFuyhYxjsLEBE0jAvB0JxUtRCZCwtTm4DSzRQiqhDFmqtlK7pshLUYQN5JKtAEegkrCxk3NuvQkGchjDxiFAYI3NBYcX2xgbghBeGb9b79Jouu+PHmskzVt3T4+m1f59qlySRjPdz5enmGd6pmdk2LZtIyIiIlOaWekBiIiISOm0oIuIiERAxRf053etqfQQAqGOcFFHuKgjXNQRLkF1VHxBf/jFW7lt7Rm8sOtXlR5KSdQ... | [
"35 − 1 = 34",
"36 − 2 = 34",
"34 − 1 = 33",
"35 − 2 = 33"
] | null | 0 |
math | grade-4 | compare-fractions-with-like-numerators-or-denominators-using-models | false | true | Which fraction is less? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAA0L0lEQVR4nO3df3RU5bkv8G8AvRNQZ2LPqQlHzwwJnCIIMxF7j8FwMjkVxCpmwCK015pJUQvtuWWCooHT3iTVCjn+yKR3tWKbysTqlciRmVRtEYpsFilQDDcTEMRlQmYObRLaZbIpyOS2kdw/xr2Z/J7J7Nl7T+b7WauraWaY/ZI8a/Htu5/9Pmn9/f39ICIiIiIiRUzSegFERERERBMJAzYRERERkYIYsImIiIiIFMSATURERESkIAbsz3366ad44okncMstt+Caa66... | [
"6/10",
"3/10"
] | null | 1 |
math | grade-1 | even-or-odd | false | true | Is the number of flowers even or odd? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAClCAYAAABm8IozAAAYJ0lEQVR4nO3df2yc9WHH8c9zv313Pt85seMkTZbY5YcZkKbAkjRVx5KMjmoi7ZptHWidpm6oSAMVTdrKJm3S6Dbtn9JJm4So1D/6B6BpalZoRyNG045mSQtdGgxxG4idxBD77MRnx4/v992zPzxcDtt3X9vP/Qrvl4R09vN9nuf7fCR0Hz1+8n0sx3EcAQAAAHCFp9kTAAAAAK4nFGwAAADARRRsAAAAwEUUbAAAAMBFFGwAAADARRRsAAAAwEUUbAAAAMBFFGwAAAD... | [
"odd",
"even"
] | null | 0 |
math | kindergarten | one-less-with-pictures-up-to-5 | true | true | Count the tomatoes in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAA9c0lEQVR4nO3dd5xcd33v/9eZutNny2yd2b6SdtWbZcmFboKxwU5MMyThR4BAgBu4cEMwyYUfyU3CDwLJLwFCu7lJbMA2BDsYsGOCsWVJtmT1LZK2N23f6TM77XzvHyOttFZdaZvsz/PxAMPOKd85x3+8z3c+5/PVlFIKIYQQQgghxIIwLPcAhBBCCCGEeCWRgC2EEEIIIcQCkoAthBBCCCHEApKALYQQQgghxAKSgC2EEEIIIcQCkoAthBBCCCHEApKALYQQQgghxAK... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1YAAAB+CAYAAAAnS4CtAABZ60lEQVR4nO3dd5xcd33v/9eZ3me2t5ntq7KrXi3JNoaAsQ0OJjElhtybAkkg4QZ+JCEhBULuJR2SezGEkptLggHbFBsbsDHgLlmS1bdI2t777vTZaef7+2N2V5JVvCtpi8Tn+XiYxTNzzvnO+c748f7M93y/RwMUQgghhBBCiOtCKcVICjriEMlCRtL2TcekgdsIDQ4oseQe05DCSgghhBBCiOtmJKk4FF7pVojlstsDxRYwrXRDhBBCCCGEuJm0x3N/yyyw1pk... | 0 |
math | grade-7 | identify-complementary-supplementary-vertical-and-adjacent-angles | false | true | Which angles are vertical to each other? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEVCAYAAADaTZLyAAA+EUlEQVR4nO3de1iT9/0//mc4SBfUoB3STagR6HQeGtj42DI7E1yvCqgfpYPptBsH29qrmzOuattva4HO9VNbN7DdZ7OtaJiH6sCKn7ai3VYSq6M6q2Geh0IstIWm1QQliiHevz/43ZnKKUDCncPzcV1cVwu577xS+8eTt6/79ZIJgiCAPMZkMkGpVEpdBhERERENkiCpC/BnJpMJubm5UpdBRERERIOIAduDtFot9Ho9LBaL1KUQERER0SBhwPYQvV6P3bt3AwC2bds... | [
"\\angle{5} and \\angle{6}",
"\\angle{5} and \\angle{1}\\angle{1}",
"\\angle{4} and \\angle{2}",
"\\angle{3} and \\angle{6}"
] | null | 2 |
math | pre-k | represent-numbers-with-shapes-up-to-3 | true | false | Which group has 1 heart? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAFHklEQVR4nO3cPVBcVRyG8Xf5nrgrFI58NKTRTSVNhA4MhVSSLg1Oygw0dlJSWJpCO9JoZRqtgo2miEO6MDZYucbGRpfRwoGEMcjOtTgybFg27Mcl57zk+c1kwmbZw7945uTc3M0WsizLqgfSr/vSXk06zAQkp68glXqlty5JowNSofosy7Z2Y48FtG7mdanv8X54MD4glV8LVQOp2atJlafSHwfSL/tSz+5heIJokbJSb2hUkp7UpJ5a3RNAyo4a/TeTeuKOAnS... | 0 |
math | kindergarten | ordinal-numbers-up-to-tenth | false | true | The first picture is a paw. Which picture is seventh? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAjf0lEQVR4nO3deXQUZbo/8G+ll5ClO4QwSQiJQCJbCAEHCJBxIHNNIo6yowjocBngyqgXVBDuuT8F4uGeMyAwwvUqXmGCimgUhBHXBGdgPAYQuMSwhMXEYENIlBbT2eglXb8/2nQ6SS9V1VW9VD2fc/RAdy1vHp73rTdVb70vw7IsC0IIIYQQQogoIoJdAEIIIYQQQuSEOtiEEEIIIYSISLIO9s9WFoM+N+GuvzfhZyuNQiGEEEIIIcogqIN98IYVRRdve+04H7lpQ22... | [
"dog",
"house",
"paw"
] | null | 0 |
math | grade-1 | compare-objects-length-and-height | true | false |
Which stack of blocks is the shortest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAAEJCAYAAAB4w2LqAAAMXklEQVR4nO3df3DT9R3H8Vd+NP2R9HdJLbQIrVhngRtUKALDmwMHbqjjD503dpzu5glz5+/duXPqdqduc+w8RY8JqIgbCJwHBUWdN4YdqRbKKmtaoS39kZakbZof3yZt0jb57o8YtNeQb0q/yfed8n78w5F88snneF6++X6bT4NKFEXRNgK0DgGDAWBMBFOQVgVkaoB5GUChDlDZ/KJYJyi9LBZJVRagbRkK/aVIB5TrQ/WYcgYDwDkvYB0Bzg8BamEsdAfHoSF... | 2 |
science | grade-5 | animal-adaptations-skins-and-body-coverings | true | true | Blowfish have sharp spines covering much of their skin. This is why they are also called porcupinefish. The skin of the blowfish is adapted to hurt an attacking predator. Which animal's skin is better adapted to hurt an attacking predator? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5wV1fn/3+ecKffe3bu7LLtIVQREUGzYsCHYomjUGDsmlkRN1JhorEnU2GKN/hLURE2MGjUaE0s0xRIjgogoIBGs9A7by20zc875/TF3ryxNVIwm3/t+vfYF994pZ2bOnHnOM5/neYS11kZRhDGGMmXKlClTpkyZMmXK/HcipcRxHEQYhrZs3JcpU6ZMmTJlypQp89+PlBJZNu7LlClTpkyZMmXKlPnfwBiD/KIbUaZMmTJlypQpU6ZMmc1H2cAvU6Z... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d5xfVZ3//zzn3PLp0yczk14JSQgkdEKvoQhIEQVU0LVhd3XR/S42dNey6s8CirhYFlgUpYvSCSVASCUJ6X0mmT6f+fTPLef8/riTkVCDsuvqfp6PxzySz+dzP/eee+6953Ne592EMcYEQYDWmho1atSoUaNGjRo1avxtIqXEsiyEEH/tptSo8XeJrAnnGjVq1KhRo0aNGjX+9tFaEwTBX7sZNWr83SJrwrlGjRo1atSoUaNGjb8PanP7GjX++5B... | 1 |
math | pre-k | addition-sentences-up-to-5-what-does-the-model-show | false | true | Which addition sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAPeklEQVR4nO3dW2wc12HG8W9m9r5ciRZJRSRFU7YVKRZsC6lUGDJqqUAR+SEybDQGnKcgDVqneYtfChhom6Qt6pcW7UuMFi16AQy0fXCAIkGDBEhS1Jbch9iOK7u1JVmWdaEu5upCcm+zM3P6sKJEydRlxZkze/n/AAHSanfO+fQgfntm5oxjjDECAAAAEAs37QkAAAAAg4SCDQAAAMSIgg0AAADEiIINAAAAxIiCDQAAAMSIgg0AAADEiIINAAAAxIiCDQAAAMSIgg0... | [
"2+3=5",
"4+1=5"
] | null | 1 |
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 | [
"iVBORw0KGgoAAAANSUhEUgAAAUYAAAFGCAYAAAAW1zbwAAAnm0lEQVR4nO3df1RU95038PedAYYqDDoqrBLibBw0aAip6BCic050k2k2mz3d9MQE2/xoIUldUgzZnrRmjzmybtY9U61PYtQanrZsnnZZNWk12T5p3TyNli0ijCW6AmqAOglqwqAj4FXnJ/f5g3BlLj+V78wgvF/neJj7net8vgPMm+/9+ZUURVG+8AMtV4HLISCogIhoUomTgGQ9kDkFSEsApC98ilLXHetuERGND3lGIK75au/C7ARgwdTe1CQimkwuh4DTV4D... | 1 |
science | grade-2 | identifying-mixtures | true | false | Select the mixture. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AABJxUlEQVR4nO29eXhl6V3f+XnPcvdNV9vVWlWqtWvrbvdGb3a3bbw0thljDIY8GQIkJCFmhkkgk8wMTxISshFgGCcxkBBjOw2YYAw4Btt46263u9vVXfteUi3al7vv557lnT/OvVdSSVclqaRqtbnf55F0dZb3vOfc7/m97299xYmclAeDEFZpo417ioINV0owU4MODZ6KuduVNiHbeLMQVuFg0P1ctBe3K21CtvFmosE/Uy5uU96crrTRRmu0SdnGjkOblG3sOLR... | 0 |
math | pre-k | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 8 − 3 = 5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAagAAABKCAYAAADuScD9AAARV0lEQVR4nO2daWwc53mAnzn24CUeonXftnX4iCMhlsjER+1CPpK6bhq3Naw2po22SK+0KIoW7Z8CPfyjTZEiRREUSCsqtoLAlVHHgQ+5RmrDlknTteSktiSKkqxbpChR5JJc7u4cX3/Mcg9yuQc5S46Y9/mzO8d+8z4LzPvuznzzfZpSSvWn4GQcRh2wFYIgCIIw75gaNBhway0sD4PWn1SqJ7bQYQmCIAhCll1LwOyLewsrw7ClzqtegiAIgjDfjDrQOw6XU3A... | 0 |
math | grade-5 | adjust-a-budget | false | true | This table shows Herman's July budget. What could Herman do to balance his budget? | "iVBORw0KGgoAAAANSUhEUgAAAnEAAACeCAYAAABdAFxGAABJxklEQVR4nO3deVxM+/8H8NdMaZVK2cOMqEnaLqVca/G9+FqzRtZLuJa4kqzfK1mve63hS3KJaxfXchHuTSRSaEG0IGVp36aalvP7w7f5GVPNmZrUuO/n4+HxMGc+5/N5n3M+5/P5zPmcc+I4/9aBASGEEEIIUSrc+g6AEEIIIYTIjwZxhBBCCCFKiAZxhBBCCCFKiAZxhBBCCCFKiAZxhBBCCCFKiAZxhBBCCCFKiAZxhBBCCCFKiAZxhBBCCCFKiAZxhJAGYanjXpy... | [
"save $10 less for a car",
"increase spending at the amusement park by $15",
"increase income from mowing lawns to $40",
"spend only $30 at Twisty Cone ice cream shop"
] | null | 3 |
math | grade-2 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAdEAAAE2CAYAAAA+gqihAABelElEQVR4nO2dfUxc15n/v0BcGMAMJp7ENvFvIEzUkiUFZPBm42bAVbIm662YwausqcxmjKK4m2i3Bv7pKt0w7vZlt255aaW0KBKMiyy7VWLISmubINV4tFLajRPGqTekFQmeEuwuY8yF8O4J8/uD3pt5n3tn7ss5d85HGglmhpnDzLnnOed5vs/zZAQCgQAYDAaDwWBI5j6tB8BgMBjpDMdxuHr1KjweD8bGxgAAN2/eBACUlJQAAOrr61FVVYW6ujoUFhZqMk5GdDL... | [
"about 90",
"about 50"
] | null | 1 |
math | pre-k | count-corners | true | false | Which shape has 5 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFhElEQVR4nO2dzW5URxBGa8Y/CwLJLhE7NkneIOx4hjxGniTPkOfJ0osgQaRAgBCBjCcxG4/BIzwzXBZXSEhRJO693VVf9T1nZWtkqVV11O3pr9W96LquW12bPb0yu9yb7ToDmMzhwuzWgdm3N8y+OTZbrN513ck6eljQMne/NDt8ctX/cvvY7PsvegsBpnK5N3v81uzs2uzPK7Pletd/gGRQklsHvVNmZm/2Zsv9Jx8AlOSjU9vObBk7FJgLiAYuIBq4gGjgAqK... | 2 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABoCAYAAADLhodZAAAVn0lEQVR4nO3d+Xdb5ZkH8O+9V3eRLEuybC3eLW9xw5mUli6Q6QKlGdoOHcppKVAopSQpMw1/Tsh0moRCW2gY6KTbQIehhcIUpmVaDuUAcRzb8W5LXmRZlqWru8wPii0rJCeWI1uLv5/f9ObIfuRYx9/76j7PK9i2bYOIiIiIiEpCLHcBRERERES1hAGbiIiIiKiEGLCJiIiIiEqIAZuIiIiIqIQYsImIiIiISogBm4iIiIiohBiwiYiIiIhKyFHuAsotHjfxi+eW4HA... | [
"1 pair",
"no pairs",
"2 pairs"
] | null | 2 |
math | grade-1 | time-and-clocks-word-problems | true | false |
Seth went to a baseball game. The game started at 2:00 and lasted for 4 hours. What time was it when the game ended? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAERklEQVR4nO3dQUiUaRzH8e87pjVO7sY47mpGYOEuURfLGAqCoEsky6AQRLcgJBHqJHQUiq5CtyAIOnmT0ubSIZogZVG6Fa5KF0edZmtAbdDxnee/h2mGHUbXXt0n4Z3/BwZmnv9vHt7DD3kdRh9HRGQpB7NZWMmDKyjl2T4HGmqgvR5+rQNnaV3kz+W9vizlJ9GfYN9MtvCipQ5+DxVap5RXK3mY/gqLOfgrC4FltzDQUqndaKgpdAhgNQ+B/L8GSu1GsUMbAoG... | 2 |
science | grade-8 | identify-rocks-and-minerals | false | true | Shale has the following properties:
no fixed crystal structure
not a pure substance
solid
not made by organisms
found in nature
dark-colored Is shale a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAABxBElEQVR4nO29eZBl2Vkf+Dvn3O1t+TIrs5beSt2tpbuF1JIwkhqsBQhLFgyEjXHARDiwmc3zDzETYTweR3jGM+OxI8Ymxh7GEwQGLCYwmxZsMDZiECDJolstIaFWtxBI3aVWV1dXVVbl9ta7nnPmj3O/c79781VWi+pWtYL3VWRk1lvucu63/r7lCGutxZrWtKaVJG/3BaxpTa9kWgvImtZ0Aq0FZE1rOoHWArKmNZ1AawFZ05pOoLWArGlNJ9BaQNa0phNoLSBrWtM... | [
"rock",
"mineral"
] | null | 0 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADWCAYAAADrRvVcAAAVSElEQVR4nO3df3Cc9X3g8c/uSpZs9MM/FLAa23GKj1MvZDBDJjjYxmAIyRDStBlmQrg0MNPgm05Jr+QKIaThLslxKS4kxE0vTJhjjuTauuCCM02aBlL74AiFmBvUJJ6YOeJf2BF2ZSTLa1myVtr7w15HlmX869E+++P1mvEY7Wqf5yPzz3sfPfv9ZorFYjEAAIBEZNMeAAAAakldBHY+n4/rr78+LrroovjpT3+a9jgAANSwTK3fIpLP5+Paa6+Nl156KSIi2tra4vv... | [
"decagon",
"octagon",
"hexagon",
"triangle"
] | null | 3 |
math | grade-5 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAHHUlEQVR4nO3dTUwTaRwG8KdSpXxUK4bWBRIqmIiGBkx2FU4d4KIX1Bt6oln3LGe91MPuelxvezChl109KeG0F0D2sMu6B2cDySrqUhJBPiJWK1DWktlDFxKk0Gn7zkfnfX4JMdaZ/7wO89CZ4Z1/XeFwWFMUBSKMj49D0zSwXuH1xsbGhNSymqIott7PstVzK4qCaDQqpODt27ehaRrrFVHPKXhc2aveASGViMjWGHQiCTDoRBJg0IkkwKATSYBBJ5IAg04kAQadSAI... | [
"translated",
"rotated",
"reflected"
] | null | 1 |
math | grade-1 | compare-objects-length-and-height | true | false |
Which glass is the shortest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAADbCAYAAACBQtR6AAAbk0lEQVR4nO2deZRcV52Yv/uWerV3Vav3llpLt9TaZUmWhC3A2MbByPbYDjMwMGPDDGdywpwkJ4aQzEzm5CTAHBJgmJkwOSTjMZuBgMH2MSYGvCDZgGxJlmTJWlqt1q5u9b7U9upt9+WP0mpZi2VV95P0vn+6q95yf+99fe+7y6+qhe/7fr8NPSXIe+D6hEwhmoCUCnPj0BgB0W/5/ubcVIcV8nasSYO2v1R50RyBzkTFXsjUkfdgXxFO2NBdAiXnVjaEcoJBSq2... | 1 |
science | grade-6 | compare-thermal-energy-transfers | false | true | Two identical aquariums were next to an open window. One aquarium had a plastic cover on it, and the other was uncovered. This table shows how the temperature of each aquarium changed over 1.5hours. During this time, thermal energy was transferred from ____ to ____. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAl/ElEQVR4nO3deVgT59o/8G8CBBJAUBGtx4UUFxCBYz1QsBwXcKuHakUFEWutr9W6gXq02LoUV5Sf9efSHnuqvrVYFStUW1vautddaKPiQl1A615FoYQ1kOT9gxIbwzIJIBi+n+vy8mLmydzPTOae3Jl5ZiLq8UG2FkRmbstUGd74qKC+u0H0XGMeEQlzPMaxvrtAjZy4vjtARERERES1hwU+EREREZEZYYFPRERERGRGWOATEREREZkRFvhERERERGaEBT4RERERkRl... | [
"the surroundings . . . each aquarium",
"each aquarium . . . the surroundings"
] | null | 1 |
math | pre-k | one-less-with-pictures-up-to-10 | true | true | Count the pieces of candy in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAxWklEQVR4nO3dd3Qc6Xnn+29VB6ATuhtAI+dAEpFxGIYTpZFWq7U1I0tXd20ly7KPvWuvLPtYZ21ZcpS167XXupbko+O7DkdhtCutbGtGa1tXojiROYIAEYicQyN0NzoAHeq9fzQAkjPkzJDTIBvg8zmHczDdjarqevmr9+FbVW9pSimFEEIIIYQQIiP0+70BQgghhBBCbCdSYAshhBBCCJFBUmALIYQQQgiRQVJgCyGEEEIIkUFSYAshhBBCCJFBUmALIYQQQgiRQVJ... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAABfSElEQVR4nO39Z2Ac2X3ne3+rOmfknBMJEgDzME2URrqy19KMLNmP10qW7V2v17bW3sdRlmyvZXnX67V1ldbXz1rWo+RdyZKlkRxkaWY0iTmCAAki59gAGp2BDnXuiwJAcoYzQ84QZIP4f96QbDS6quvw19XnX3XO0QCFEEIIIYQQ4o5QSjGTgoEERLOQkW/bQgghcohVA58Fmt1QagcNKQwJIYQQQghxx8ysKE5H7vVeCCGEEK/voB+s93onhBBCCCGEuJ/0J8w... | 0 |
math | grade-5 | multiplying-fractions-by-whole-numbers-choose-the-model | true | false | Which model represents the product 2×
1
5
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHoAAACOCAYAAAD+WhzrAAAD4UlEQVR4nO3cP08bdxzH8ffxXyZpF6CKQO1C29ldyIa3dsmDwOoDaCsh2Hy3MSU8AngOdKk33xQnC3MalkZBoZShgtjyUaxfh5NpuyXS72zVn89LssCy9P2d7u1DJx13SQghXNzCWR9uhnAXsCkwl8DDWfiyBp8tQHJRhPDyetKbZVXa+gTmXvfLN48W4Ovl8ltg/383Q3jVg3e38GsfZq7vyg8cebo8nC2bArwfwszwXx/YdBk1/SvAzGQ3xcbFoUU4tAiHFuH... | 0 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-1-dollar | false | true |
A box of pushpins costs 58 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADECAYAAADqBVUcAACwm0lEQVR4nOzdd3gc1bn48e/M7M6utqr3LstF7t3GYGPTbJppoQYISQgkITcJSS7kBtID+aXcJCQ3kNyEG0goCYRmYzDGBkxxwb1btmzJkmx1abW9zJzfHystlqsMBjvO+TyPHlu7O7Nnzu5o3zn7nvcoQgiBJEmSJEmSJElnBPVUN0CSJEmSJEmSpJNHBviSJEmSJEmSdAY56QF+T1xQsbiX8cv89MRl9o8kSZIkSZIkfZJOKMB/4UCcH+yIHDNwf7MjQX3IZIPP4La... | [
"yes",
"no"
] | null | 1 |
math | grade-7 | rational-numbers-find-the-sign | false | true | The number line shows an unknown number, x. Is x positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAGQ0lEQVR4nO3dT2yT5wHH8d/rf/GSsNRKgxqhZEHaP6VIGUowCUMrl50Q0ozoIVWLmJCQQOmh24EL0y4ZElKpJgEaSJwYpEiVggo70kqGw2wHw1JZRN0f5V+3doQU2ibxf789YDtLQ5p41H5s/P1ckufRq+gXvZefn+fx+1q2bdsCgBoyMjIiy7I0ODhoOgoqhHuOWucyHQAASjU7O2s6AiqMe45at+HClU6nFY1GFQ6HtXnzZj5l4PmReazM7FnlHgWVe3xLlvcHspp... | [
"positive",
"negative"
] | null | 1 |
math | grade-3 | open-and-closed-shapes | false | true | Is this shape open or closed? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAKMElEQVR4nO3dPWxVd54G4DdoKzCCaUDQAIME1QRHkyKhmCFSqFYBI+1KUVgppgkUkWJ7oIwdk2oXYjvFrHBmJDxSiBTtSlwYbeWR7EwBFETykMojmXgajzzN3Ojaab0FHBO+jLHvh33u89Tg8+NfvT685/d/ZWlpaSkAAEBdbGn1AAAAUCYCNgAA1NG/tHqAn/ru229a8txf/PLXLXkuAADlsyEC9vzcbC72ncr96amWPP/nhzvTP3Q9u/fub8nzAQAoj1da/ZHj+M2... | [
"closed",
"open"
] | null | 0 |
math | grade-2 | which-bar-graph-is-correct | true | false |
Levi went to the farmers' market and saw one banana, four apples, and nine melons. He made a bar graph of the fruit he saw. Which is his bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAaAAAAEOCAYAAADPIMPHAABwq0lEQVR4nOz9eZwlVX34/79qr7pL39vrdE/PvjIDzDAwLIKgiAYVxQ00xkSjCZ+PySea5BeNGreET4xEzcePSxI+kohGooTF+FVjghuLoIDDsAwzDrNv3dPr7bvWeqrq90f19DDBBYS+3TOc5+PRj7lL3apTNd31vuec9zlHSdM0HQlhjwuNGESKJEmSJD2ndAWKGqzOwQIze00ZCdL0wfrcFkySJEl6/ji/A/pM0He72QsDJqzNZxFKkiRJkp5LjRieaMHREHa... | 1 |
math | grade-8 | identify-functions-graphs | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAiCklEQVR4nO3de3RTVaIG8C/vNH0FCrRQilRqW4pCkTK2igjqciwOQscHMONjnBGcuXd8jLoU76CgDD5muDqjoledhYiuhSAqiiMwjiAUaFErQbEErFCo0pYCTfpI8z73j0NPGqiU0ybNSfL91nKRxOSwSU6+7NfZWyUIggAiIhnUkS4AEUUfBgcRycbgICLZGBxEJBuDg7rldDrhdDojXQxSKAYHdctiscBisUS6GKRQDA7qVkVFBSorK3/y/7/44osoLS1FXV0dAMD... | [
"yes",
"no"
] | null | 1 |
science | grade-2 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAB/XUlEQVR4nO39ebBsy1nYC/5yWGtV1Z7OfCddJF3NEoMED2QmRwAGbAyegHY/Q/j5jybaDtuBzR8OT+GhITradjftaAi7HXbYAQG2aejAD7XNa2i3n0FgJF2EEBZourpovOMZ9lTDWpn59R+ZuSpr7VV776N73eaK852oU7VrrcqVw5ff/H2p3nco8qYd2DM8gAfwexKOPXzkFJ5p4aqFr7sSv9cPEPcB/F6HPQNv2omfT/z6e/0AcR/AKwEynnay/s6O3fi7//V... | 1 |
math | grade-5 | mean-find-the-missing-number | false | true | Barbara has the following data: If the mean is 42, which number could v be? | "iVBORw0KGgoAAAANSUhEUgAAAMEAAAAkCAYAAAAwy16tAAAFG0lEQVR4nO2dbWwTdRzHP3dtV/qw24Yw9rxuZStjPIeZRUAQEjBIJpKQ+BheocQ3Bk1MjDEaExNN1Gg0mpjwQhMTBBJJSAwE5FHFDRhjgWyuPIy5re02BtvotrZrzxfFkaYiQ+96Hf1/Xv7u+u8nv+u3d//7X3KSqqoqABOgjgMxIF4RCB4+JEAGaQZgvlNSVVVVx4GQgWICgRFY42GQ1QlEAASZSQjUCZBFAAQZTQhkokZbCAQGEgVZTIIFGY0KstEOAoHRiBAIMh4... | [
"41",
"31"
] | null | 0 |
science | grade-3 | use-data-to-describe-u-s-climates | false | true | Which statement best describes the climate of Kansas City? Kansas City, Kansas, is a city in the United States. It has a humid subtropical climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAEAAElEQVR4nOzdd1iUZ77/8ffQqxRpKk2xIgrYUNRgbDFrNNaYbJppm5i466Zu2m93T3Y3u+ds4tlNdDcn1ZiyiRqMiprYsSMqRRQQFRELIL3DlPv3xzijKEaNAzPi93VdXjLPPDPPh5lh5jv3cxeNUkohhBBCCCGEsAg7awcQQgghhBCiI5EC24KSk5PRaDRoNBoGDRpk7TjiNrRkyRI0Gg0xMTE3fV9+fn5oNBqWLFnSYvuhQ4fw8fFBo9GwYMGCmz6OLUpNTWXOnDl... | [
"Winters have about the same temperatures as summers.",
"Summers have higher temperatures than winters."
] | null | 1 |
math | pre-k | count-sides | true | false | Which shape has 5 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAADJUlEQVR4nO3aPY4cRQCG4W/2LzA2JAhEbiAi9hVIzC0I4ErcAiecwSmRMTmLINq1V/KyoyZorWRB6Nmvu2ueJ5lptVSq4FX1dNXspmmaLm+T32+S631yNwU+2NkueXKafPko+fwi2V2+m6aXV0tPi5E9+zg5e30zX3xxkXz90VwhfKjrffLqbfLHbfLbTXJydTffEBmH9OR0bipJ3uyTk/17N+CQ7pv6Z0pOlp0Kx0JoVAiNCqFRITQqhEaF0KgQGhVCo0JoVAi... | 0 |
math | grade-2 | ordinal-numbers-up-to-10th | false | true | The first picture is a sub. Which picture is ninth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAmm0lEQVR4nO3de3hU9Z348fckEyQzkyDXCRIoAcIqEMJlLQEKrYViic9TrBe8sPVCHqnbFYQVXS5pq20orJflpmsXFkR9xALWlj4ShQZrQUx4fhsgCWLrEIIQTIYWNJNJQslk5vfHyUxuczlzy0xyPq/nyWMyOXPO4WM+8/mec74XncvlciGEEEIIIYSIiIRYn4AQQgghhBC9iTSwhRBCCCGEiKCoNbC/bnaRcdDG5A/r+bpZeqEIIYQQQghtCKmB/fuaZp77yzW/Dee... | [
"fish",
"sub",
"turtle"
] | null | 0 |
math | grade-5 | range-find-the-missing-number | false | true | Ann has the following data: If the range is 26, which number could r be? | "iVBORw0KGgoAAAANSUhEUgAAAUAAAAAkCAYAAAD4guNSAAAIIklEQVR4nO3de2yVdx3H8fe5tKf3Qi+npS3dgJa2NFBWoAMxmrEBoXKbLIS46ZhuotEFs8RkxrgYo/6pUYkyMsFNFFyiLmA7IEHJlnEpFFo6Si/jIj2nxd7o7bQ9d//oJRx6e+j5PefAzvf153N+PP3k93z7fX59LgeD3+/3A3g8MDwMPh/gRwghPl8MYDRCTAyYzaOb/H6/3zkMTmd4swkhRKhYLGCJAbPXI81PCBFZnE4wmcEozU8IEYlcTjB6veGOIYQQoef1gtE... | [
"216",
"298"
] | null | 0 |
math | pre-k | count-corners | true | false | Which shape has 4 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACeUlEQVR4nO3UP2pcVxyG4d+M/hS27FRKSOnCyRK0MK0jG/MOHBlcRiGdZAukaLgpLobU1vAOmTxPdS+HA1/xcjbLsiy3TzOfHmbudzPPy8CLnW5m3pzMvH8189P5zOb2cVk+3B16Fsfs6u3M6c3D+vPz+cyvr9cK4aXudzMfv8788TTz+8PM9u55PRAZ+/TmZG1qZubLbma7+9cB7NO3pv5eZraHncL/hdBICI2E0EgIjYTQSAiNhNBICI2E0EicvuTy59/+2tc... | 0 |
science | grade-7 | identify-rocks-and-minerals | false | true | Gneiss has the following properties:
not a pure substance
not made by living things
solid
no fixed crystal structure
naturally occurring
shows a banding pattern Is gneiss a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAADgt0lEQVR4nOz9Z5Ol6XnnB/4eb473efKkzyzb1dUe6AYBkADJmRHlRi5iN0ah1xux+4E2VqE3K2kjVorQrkY7iiFnMCBAEuhGN9qVr8qs9JnH+/N4sy/uUwfgiOpRBDkCQNUVUdFdWVmVJ/M8131f5m+kNE1TXsfreB1/Y8i/6RfwOl7Hb3O8TpDX8Tq+IV4nyOt4Hd8QrxPkdbyOb4jXCfI6Xsc3xOsEeR2v4xvidYK8jtfxDfE6QV7H6/iGeJ0gr+N1fEO8TpDX8Tq... | [
"mineral",
"rock"
] | null | 1 |
math | grade-4 | sides-and-angles-of-quadrilaterals | true | false | Which quadrilateral appears to have 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAADgCAYAAACaXl3yAAAOzElEQVR4nO3dWWwd5RkG4HeWc47j2m5qEicEB3AWB0JMIMpCELkqhCs2qYVGqhBFVVsWVSylFApCiCWlrEK0tBKCCFWi0Eot5YrtpkE4saMUcAjEAZySEJzNRLZxPOfMnOnFnG0caOyM5/z/N/M+V4lMcv4kr83xfN+8Y/i+7w/mgU/GgBEPcH0Qacc2gGYLWNwIzMkCxqDj+z3Dqo9FNHlrWgB791jwk1OzwJLvBKkm0s2IB+z6GvgyD/SPAeawG3yAoSWdNVt... | 0 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAAHCCAYAAAAZ9Ts6AAB+XUlEQVR4nO39eZBc5X3ojX+e55xeZ5+RkEYCJCyEzCIwBBtiXozBuK4vWIl9b94iMWEJy03i2EnsJFTlTTkuVzm3coMTk7eCiZ04wfg6byjs3GuWCsSAAzZGMT8LI+RrLBAyAmnQaJmle3o5y/P8/jiz9fQy3T09mp6e76eKmu6zPOf7mUfM95xnO8paaxEEQRAEYVWjVzoAQRAEQRCWjiR0QRAEQegAJKELgiAIQgfgtrS03BjB3kcwx16H3Dg2P4EtZFDxFCrVB+l... | [
"82 − 5 = 77",
"83 − 4 = 79",
"83 − 5 = 78",
"84 − 5 = 79"
] | null | 2 |
math | grade-2 | read-a-calendar-ii | false | true | What date is 2 days after December 27? | "iVBORw0KGgoAAAANSUhEUgAAAssAAAF2CAYAAACYtNXtAABcVklEQVR4nO3de1yUdd7/8dcMJxEFBATPiqLiAVHJTJHYzFJTO5jrrm57d69Z2/He1n6WN22H3TLvstqydrPdDmZWmlmKmuGhBcVTHvF8REMEPCHI+TTz+wMZJbh0UGAYfD8fDx/qXNcMn/lwzTXv+c73ui6T1Wq1xqaX8MOpEk4UWBARERGR69fe08yIIDfubu3m6FLkOpiWpBVbj+ZbmdDWFTezCaujKxIRERFxciagxGLlq5PFdG5q5p7W7o4uSa6R+YdTJUxo54q... | [
"December 29",
"December 30"
] | null | 0 |
math | grade-3 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD1CAYAAABqfoLEAAAkw0lEQVR4nO3deXTU5dnG8WsmewwQCGGHALKDAgqyi6yCClbeSl0AFUFwaWtFLbhUrVaoW7XWvoiCoKggrQsooOwCsoiACEUiEgJC2BJiSEOWycz7R/BJ4iv7ZJ6Z33w//3g/vxMzl+fAOVduJ/O4fD6fTwAAAAD8wm07AAAAAOAkFGwAAADAjyjYAAAAgB9RsAEAAAA/omADAAAAfkTBBgAAAPyIgg0AAAD4EQXbwV7e8i9d+t5Irdi/0XYUAACAsOHiohlnWntgq7r... | [
"yes",
"no"
] | null | 1 |
math | grade-2 | compare-sides-and-vertices | true | false | Which shape has more vertices? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAKSUlEQVR4nO3dTWycRxkH8P+uP+uNE5cQIxIFQtOEqomRnTZ1A4GqUqtWLYe0BbVIFBGpIHHlxKkVSEhw6QVuSFx6AyFBS6OkKUpA0FQltJTYcWInURJ/bb4cxx/reO3Ny2F2G/u1Hduvd+aZed7/T4rsyMrOE+nv1bMz885koiiK8kXgXAEYLwGzEYiCVZsBmmuAHU3AF+qBTH46ij4aky6LqPo61wO1fQXzly/WA1/NmfQThWq8BJydBIaLQG8ByI7Nmh8w3KR... | 0 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-1-dollar | false | true |
A glass bead costs 1 cent. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABuCAYAAABSgmeUAABAQUlEQVR4nO3dd3xUZdr4/8/0STLJpEx6JwkloYQqvah0xa67Kiiuun7X+qi7i+vzrK5f5evqurbdxfVZGyqKrKAUAQUFLPSiCIREQkglCaRPkqn37w9+c0xMCEFQNHu9X695JTlzzpn73Gfm5Dr3XOc6OqWUQgghhBBCCNEj6M91A4QQQgghhBBnjwT4QgghhBBC9CBnPcCv8yjS1zYw+ONG6jyS/SOEEEIIIcSP6bQC/PcqPPwpr7XLwH3DMS9FzX721PuYu7P5jBs... | [
"no",
"yes"
] | null | 1 |
math | precalculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABzxUlEQVR4nO3deXxU9b0//teZfbKHJCQhkLAJGiQICAgSwUKVirWC9avttdVut4u2dr1tba+9ban1trX9tbXW9l6v2mtvrdQdjIiCgEG2AIGELQTIQsgyyWQy69l/f8SkBEEm8DmZSXg9H48+ambOvPJmMnPmfT7zOZ8jmaZpgoiIiIiIhLAlugAiIiIiopGEDTYRERERkUBssImIiIiIBGKDTXQJ2bBhA8aPH4/ly5cnuhQiIqIRS+JJjkSXjqVLl+JTn/oU7r777kS... | [
"no",
"yes"
] | null | 1 |
math | grade-5 | multiplication-input-output-tables-find-the-rule | false | true | What is the rule for this input/output table? | "iVBORw0KGgoAAAANSUhEUgAAAFgAAAB/CAYAAABrPAW6AAAKEUlEQVR4nO2de1BT2R3Hv0kQwiN6XVl8IQQDdl0B61DKyi7suirhUd0Zu0yZAuqAONSuLwZnkA4jCHR8YdaRYayLVZGRUqdujSMG6TqGLa20i2OWbmEtooI0LMTlGQjE5PaPNHGjbAtyDvI4nxn/yC/hfH/5cDi5yT03CkIPdPGYAlz4yAWJhQOvuo0xUZPNQfiqm5juMMGUYYIpwwRThgmmDBNMGSaYMkwwZZhgyjDBlHEYzw/nfOiKpR4iJBb1kuqHCC6OwLb3nbH... | [
"× 7",
"× 2",
"× 4",
"× 9"
] | null | 1 |
math | pre-k | one-more-with-pictures-up-to-5 | true | true | Count the ladybugs in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABL70lEQVR4nO3dZ3gc1b3H8e/MrrS9qfdiq7r3bkwzYGrAtBAI4RJSbgoJpNwUSCPJ5QZIIB1IgIQOJsZ0Y4p7b7It2SpW722bdrWr3Tn3xdqShSRCcYOcz/PkeeKpZ+fw4jdH/zlHEUIIJEmSJEmSJEk6LtRT3QBJkiRJkiRJ+jSRAVuSJEmSJEmSjiMZsCVJkiRJkiTpOJIBW5IkSZIkSZKOIxmwJUmSJEmSJOk4kgFbkiRJkiRJko4jGbAlSZIkSZIk6TiSAVuSJEm... | null | [
"iVBORw0KGgoAAAANSUhEUgAABOwAAAB+CAYAAACXpI7eAACbOElEQVR4nOzddZhc1f348fe9M7Pjsu6SZLMbT4gbBAkQCB68eEvl29JSoFSRtlRokRaqOC0OwSVAIAlxTzayWXe3cZ97f39Msptld2koJBn6O6/n6RP26tl75rO95zNHJEBFEARBEARBEIQvhaqqtIeh2g+eGETF27YgCIIgCJ9BK4FVA2NNkJkU3yYhEnaCIAiCIAiC8KVpD6lscR/vUgiCIAiC8FU0xwYZSaA93gURBEEQBEEQhP8lVf74v9lJUGqOf2MuCII... | 2 |
math | grade-1 | square-corners | true | false | Which shape has 4 square corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAF9ElEQVR4nO3dW25TVxSH8c+5VUrAVSI1VSVe2w6BKWQChDESJpAxMANKH5GaUilIDrGUEOv0wVgJJhf7nH1Za+3/9wQKFnuv9RMSSXwy6rquO7uGv6dwMYObDqUGtzWC55vw+y78ugOjs6uuezepfSwVuZdj2Pownf/mtx34c2+uUKmhXczg/SX8cw1/TWFjcjP/gJCplD3fnJsC+DKDjdmdDyiVsoWprx1s1D2KaiVBU0USNFUkQVNFEjRVJEFTRRI0VSRBS9x... | 0 |
math | grade-1 | time-and-clocks-word-problems | true | false |
Jen went to the shopping mall. She got to the mall at 3:00. She visited two clothing stores, a department store, and a toy store. Jen was at the mall for 3 hours. What time was it when she left the mall? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAE3klEQVR4nO3dQWgTaRjG8f8kNZq22WqNu40otLHdhXrQlkiwQSjFgyhLsAcPIoLgwVCqVPAu6EEPIqgnwaM3L3ZVBKViCh5KxZtgG6SXtmmzOtBG0Wwy7x6yCZvNbt1p+RAm7+/S9v2e+TqHh2GakI4lIpItQOYzrJagKCjlWpMFIT/0NMNPAbCyX0WmVr73aSkvif8ATbOfyz9EAvBLS7l1Srm1WoJ3n2CxADOfwbdSLC9oqdRGhPzlDgHkS+Ar/W1BqY2odOg... | 3 |
math | grade-3 | fractions-of-a-group-denominators-2-3-4-6-8 | false | true | What fraction of the shapes are circles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAALsUlEQVR4nO3d31NbZR7H8U/TJDQ0JIHWQ/jRpdWt1Z1ia/0xOLMjdLqrF3ZGvFi9bPsf9B/YEf+D+heIF3uhN4szelVdQ2+WWd2Kltla2bWgQOAoEEIgkoSwF5DUWigJfXKSE96v2zbh+3zmO3O+85yT5xzY2NjYEAAAAAAjPNUuAAAAAKgnDNgAAACAQQzYAAAAgEHeahdQMGzHJUmJTEaSFPH7JUm9VlvVaqpF5AST6CcAAMxzfMAeXZzXR9OTis3F9dXivJaymZI... | [
"1/6",
"3/6",
"4/6",
"3/4"
] | null | 3 |
math | algebra-1 | linear-functions-over-unit-intervals | false | true | How does g(x) change over the interval from x=2 to x=3? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABuCUlEQVR4nO3de3RT55kv/q9uluSLbGODTZzY3GlMMIHEgA00pKRJmqSZQNoh018v6Uo7J53e1znT0zXT03VmTk4ma00vq5kkp9OZTpKe1V87zS8kMwkxlCQkUBswOGBiQ8AYMDbgi3zRdWvff38IGTsYkOz9Isn+fv5JLGs/ftivtPXo1aP3tZmmaYKIiIiIiCxhT3cCRERERETTCQtsIiIiIiILscAmIiIiIrIQC2wiStr+/fuxdu1aqKo64e9fffVVfPazn73BWRE... | [
"g(x) increases by a factor of 3",
"g(x) increases by 3",
"g(x) increases by 200%",
"g(x) decreases by 3"
] | null | 1 |
math | grade-7 | rational-numbers-find-the-sign | false | true | The number line shows an unknown number, d. Is d positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAGNUlEQVR4nO3dXWhTZwDG8eekzYeptev8wMr8uNnUIhRtjW2RzTsZzkmdCt4UmSDoZPVq3npRZMImChYU3Bi9KOqg0gnbbqO7SNJGOVAsjoFW0bm2itN+JE2bs4uYaK3axjY5zdn/B6E9Jy/lKefmyXve88awLMsSABSQtrY2GYahvXv32h0FecI1R6ErtjsAAGTr3r17dkdAnnHNUeimXbgSiYSi0ajC4bCWLFky9z5lmB2S+Yv08FbqeOlqqWqHVPW5vbkAAIDjtLW... | [
"positive",
"negative"
] | null | 1 |
math | grade-2 | which-table-is-correct | true | true | Dalton found the following items in the kitchen:He decided to count how many of each there were, so he made a table of the items he found. Which is his table? | "iVBORw0KGgoAAAANSUhEUgAAAesAAAFICAYAAABwe9bhAACULUlEQVR4nOz9eXAd133n/b97vX03bMQOEADBnSKphaZIiiKtXdZiKYokW94dW7blWLEmGSdOzTxP2TM1mVRSSabm56cyeZx5JoqTOHZi2XFsWZFkWbJWiqIocRVXkAQJggSxXdytt9P9+6MBkIxlm6QANHB5XlW3CAG4wLdb5P3c0+f09yhf//rXQyRJkiRJmrV0gK997Wtx1yFJkiRJ0i+hxl2AJEmSJEm/mgzrC1AqFBg8cpTCWCHuUiRJkqTLkAzrCzB45AD5ni2... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1UAAAFICAYAAAC4KNSqAADHrUlEQVR4nOz9eXRc9Z3n/z/vWldVKm3WLlmS9wXbGBxjG2PCFmiWQNOBhOzpLIQkJEz3JCHTM3OSmTOZ/DqdzpyezMn0Nz0zTdLdWTohdDohNAQCwSzGGINXvCHb8i5rr+1un3t/f1xZtrNhgu2Syu/HOXUkSirV+17b4vO6n899f7QvfelLMUIIIYSYtL70pS+VuwQhhBC/hwnwxS9+sdx1CCGEEOJ3kFAlhBCTm17uAoQQQgghhBBiKpNQdQaK+TwDe/eRH8u... | 0 |
math | grade-3 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAe0klEQVR4nO3de1yUZcLG8WuG0UEUVkGFFRTEPCCWeEQ8Zuvmdj5Ybpal65oHPG311ruH96213fZQqaQirpp5bLXU1MpDaZaWoZbSATFDUnYyqB1KeBsdHWbePwzaSSuBGZ6Z4ff9fPwjuJ/nvvjv6v48932bPB6PRwAAAAB8wmx0AAAAACCUULABAAAAH6JgAwAAAD5EwQYAAAB8iIINAAAA+BAFGwAAAPAhCjYAAADgQxRsAAAAwIco2AAAAIAPUbABAAAAH6JgAwA... | [
"obtuse",
"right",
"acute"
] | null | 2 |
math | algebra-1 | domain-and-range-of-exponential-functions-graphs | false | true | What is the domain of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABk9klEQVR4nO39e5xU5Z3vfX+rq6rP3XTTDd3Y0A2IoCCNoqAgRAxGjSZmIJNgcufgjDOJmZwm+97ZT555kkwmL293XnsmmTtuzWRnJjua2Xm9MnGizgRtECMCaVSklYZuFbGBPgB9qD7WeVXVWs8f2B1aTl2wLqqL/rz/SKyi1rd+va6qVb+66qpVHsdxHAEAAABwRU6mCwAAAAAuJzTYAAAAgItosAEAAAAX0WADGKempka7d+8eu3zkyBHNmDFD7e3tGawKAIDsQYM... | [
"$\\{x \\mid x<0\\}$",
"$\\{x \\mid x>0\\}$",
"all real numbers",
"$\\{x \\mid x \\geq 0\\}$"
] | null | 2 |
math | grade-2 | choose-the-appropriate-measuring-tool | true | false |
Which tool would you use to find out the length of a kangaroo's hop? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACoCAYAAAACcRc/AAAgaUlEQVR4nO2deXBT1/XHv+9ps2VZwra84x2w2RPA2P6RkLClNDSpu2am7rSh7ZBMmkwmk7Shk/TXTpl0+bWBTicdiptp0zaQSZopEBICxAEnYOySAI4NwcbGu7FlWzaSJWt97/z+eNazZMkQG8mS8PvMMBe/TVfSV+fee+655zJERP1OoHUMGOUAN0FCYtrIGSBeBixUA6lKgOl3EJ0zh7taEncSJVpA3jIm/JGuBArjBNVJSEyXUQ5otgJ9TuDqGMCa3cIJSVQ... | 3 |
math | grade-1 | interpret-bar-graphs-ii | false | true | Betty visited a restaurant kitchen and saw some ketchup bottles, mustard bottles, and cheese graters. She made a bar graph of the kitchen supplies she saw: Did she see more mustard bottles or cheese graters? | "iVBORw0KGgoAAAANSUhEUgAAAhAAAAFfCAYAAAAf5vWtAABlk0lEQVR4nO3dd3xV9f3H8dc5d2WRwQxhJJCwwgqEJUMCCKLUrcXRVq2bIop1VVvHr1hXrYiDusEKTgqKVdkh7BFWIGxIQiAQsnfuOOf3x725SRBCLiS5N/h5Ph6BO8/93Eu4932/U9F1XUcIIYQQwgOqtwsQQgghRPMjAUIIIYQQHpMAIYQQQgiPSYAQQgghhMckQAghhBDCYxIghBBCCOExCRBCCCGE8JgECCGEEEJ4TAKEEEIIITwmAUIIIYQQHpMAIYQQQgiPSYA... | [
" mustard bottles",
" cheese graters"
] | null | 1 |
math | grade-8 | compare-linear-functions-tables-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAARAAAACZCAYAAADnwmWxAAAdQElEQVR4nO3deVxU9f7H8dcgMIiyKEigooikmBsJBaS5Iio+3FJMTYz0anqlzJu5pKWP0hSX65pyte3mWrmW0cWHqVhdQSxz337uC4QiqIAIjN/fH16mJmQbZxgmP8/HYx4PONv3w3DmzTnfczhfjVJKIYQQRrCxdAFCCOslASKEMJoEiBDCaOUKEHd3dzQaTYmvX3/91cxllt9nn32GRqMhICCg0ttOTEzUvydt2rSp9PYfB0ePHi11X3R1dbV0iQaio6PRaDS88cY... | [
"The y-intercept of Function A is less than the y-intercept of Function B.",
"The y-intercept of Function A is greater than the y-intercept of Function B."
] | null | 0 |
math | grade-3 | reading-schedules | false | true | Look at the following schedule: When does the women's floor exercise event begin? | "iVBORw0KGgoAAAANSUhEUgAAAVMAAAD3CAYAAACgsbc4AACUWUlEQVR4nOydeVxN+f/HX7d937RvKmlSDWmhQrRQyVbURBjLJHvGWOIbg8mWZWyjDBp7mxZkiUQIQymkkkLZI6VFe5/fH/3umU536ZYMM3Oej8d9PO75nM/n/Xl/3ufc9/ls97xZ+2dZEDAwMDAwfBIiADBi8sIvrQcDAwPDPxqhL60AAwMDw78BxpkyMDAwdAGMM2VgYGDoAhhnysDAwNAFMM6UgYGBoQtgnCkDAwNDF8A4UwaeEEIwYeEmWHv+iHsPn3xpdf41XLx... | [
"12:30 P.M.",
"3:15 P.M.",
"1:10 P.M.",
"4:00 P.M."
] | null | 1 |
science | grade-7 | use-data-to-describe-climates | false | true | Which statement best describes the climate of Houston? Hint: Summers in the Northern Hemisphere occur in June, July, and August. Winters in the Northern Hemisphere occur in December, January, and February. Houston, Texas, is a city in the United States. It has a humid subtropical climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAD/5ElEQVR4nOzdeXyU5b3//9dkluxkISshCYQ9hISwBcIqmyiCrC7VKtV6FEtLWz2tVr+n/XXx9JxWTmulu7u2IhpcwiKLEPYQIAuBBAIEEgLZ923W6/dHmIFIEJRJZoDP8/GIknvumfudmXvu+cx1X9d1a5RSCiGEEEIIIYRTeLg6gBBCCCGEELcSKbDdVEZGBhqNBo1Gw6hRo1wdR9yG3nzzTTQaDSNHjrzhxwoJCUGj0fDmm29ecVtCQgIajYZf//rXN7ydm1V9fb3... | [
"Summers have slightly higher temperatures and less precipitation than winters.",
"On average the summer months are colder and drier than the winter months.",
"Winters have lower temperatures and slightly less precipitation than summers."
] | null | 2 |
math | kindergarten | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 3 − 2 = 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABKCAYAAACiqlhpAAAQM0lEQVR4nO2dWWwcR3rHf33NxfsSRVIXDx3WtZYNS5YVaWVvtIYPrb3JIjHgzWIR5CF5zUsuYF/yEARIgmDfkgBZZx0n62ANeB3ECLzrWLbXK4uyZVvWSeoWKR4iORwOZ6anr8rDkEPOcIYckj0cyq7fC9U90zXfvz/9q6qru6sUIYQYtuBaEuIuOAKJRFImdAVqNNgegdYAKMNpIXqnKh2WRPL141At6P3JzEZbAHZWZdwpkUjKQ9yFqwkYsqAvCeqUk/lAmk8... | 1 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD+CAYAAAAAuXIHAAAlTklEQVR4nO3daXyU1f3+8etOJiGEsAWCrAJh32VRVhVRFBBEFBRxa1FWi79aS61aa/91xaVaraBoXVARAQXKqihSZKuyb0EiS2QJawhJDCEJM/8HgZPEBUgyM2eWz/vR99xMZq6+qi8v7tznjOPxeDwCAAAA4BURtgMAAAAAoYSCDQAAAHgRBRsAAADwIgo2AAAA4EUUbAAAAMCLKNgAAACAF1GwAQAAAC+iYAeA3694WS2mDtOGoztsRwEAAEAZUbAtm7T5U/1z/Ux... | [
"no pairs",
"2 pairs",
"1 pair"
] | null | 0 |
math | grade-1 | more-less-and-equally-likely | false | true | On which color is the spinner more likely to land? | "iVBORw0KGgoAAAANSUhEUgAAAc8AAABkCAYAAADg1LuyAAAO60lEQVR4nO3dbXBT14EG4FdYNpK/dGWsAKE2xiZha/wBujKhNCGJYdNlA3XSTcEyDg0knc50Nu20BZaZTZPt/tgkkEy6nZ1m0ym7nSTIJm3YuElnp0kJsO0OCeiKL5kQvrEJu9iArmzLsvyl/cHS0lgytnR1z5V4nz8MusM9r369nHPPPTJFo9EoiIiIaMKmiA5ARESUblieREREk8TyJCIimiSz6ACJCIX6oQZVqAEVAVVFUFUBADZJgl2SINklSDYJeXm5YoMSEVF... | [
"yellow",
"white",
"neither; white and yellow are equally likely"
] | null | 2 |
science | grade-3 | use-data-to-describe-u-s-climates | false | true | Which statement best describes the climate of Philadelphia? Philadelphia, Pennsylvania, is a city in the United States. It has a humid subtropical climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAD+uklEQVR4nOzdd3gU57X48e9sU0cFNYQKINGEkBBNgGg2xTgYTHWJG7Hj2E6ckOIUO/ZNru04yU3MvbFNkp+7cYmrMLYAGwNGdCFABYEEQggkAZJQ71vn94fYBYEwbaVd4Hyehwdpdnb27Mxo9uw7531fRVVVFSGEEEIIIYRTaFwdgBBCCCGEENeTGybBzsjIQFEUFEVh5MiRrg5H3IDefvttFEVhxIgRV72t4OBgx/ls/+fl5cWoUaN45513HOsdPXrU8Xh9ff1lxda... | [
"Winters have more precipitation than summers.",
"Winters have higher temperatures than summers."
] | null | 0 |
math | grade-3 | match-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAQNUlEQVR4nO3dQWycZ5kH8GcSpyTxIAVVJBOJtpE8EgjQ2pFohbDTlVC1TqXVHhIQ2t1DQQJWxD20lXA4NEF1OBBLm3IgkSAcmqCChBpLu8vBjtpkgWQpQpVskKCIcZBaEA4UCu1MHKdpZg+pHXuc2PPNvLbrmd/vNHbm/d7Xig//efx8z5erVqvVAAAAktiw1gcAAIBWImADAEBCAjYAACQkYAMAQEICNgAAJCRgAwBAQh1rfYBGXb16NUZGRuLixYvxm9/8Jn7961+... | [
"three thirty",
"three o'clock",
"eight o'clock"
] | null | 1 |
math | grade-3 | compare-fractions-using-models | false | true | "iVBORw0KGgoAAAANSUhEUgAAAtUAAAC5CAYAAADnGsNjAAAwRklEQVR4nO3dd3RU1d7G8e+ElEkyCemQRgdDUTqG3qWKgqJSFBEpKgrYwA4qyiv3iuK1C4pwMUizgBABEZEOCUU6gQChJiEQkpA65/0jZi4hIYUBgvB81mIt5szZ+/z2mSE8s7PPGZNhGAYiIiIiInLFHMq6ABERERGRfzqFahEREREROylUi4iIiIjYSaFaRERERMROCtUiIiIiInZSqBYRERERsZNCtYiIiIiInRSqRURERETspFAtIiIiImInhWoRERERETspVIu... | [
"<",
"=",
">"
] | null | 2 | |
math | precalculus | solve-a-triangle | false | true | In solving this triangle, which law must you use first? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAuO0lEQVR4nO3dfXBc9Z3v+ffpR7X6WeqWJRk/ILMeQjkQwAyBtX1JsgRcOGawCQauYWcmtQOFZyYGtrJjiEnNUuC5dwfj2VkzpjKpWwUk2BAr4IJxwDcMFzw2BAMJ4yKUB8tPsSTULfWzulv9cPaPBi4EA35o9VG3Pq8q/4FOu/tjWaY/fc7v9z2GaZomIiIiIiJSFzarA4iIiIiItBIVbBERERGROvpMwZ4zZw7XX3/9CR/8wx/+EKfTSS6Xm/RgIiIiIiLN6FMFe2h... | [
"Law of Cosines",
"Law of Sines"
] | null | 0 |
math | algebra-1 | identify-functions-vertical-line-test | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAXw0lEQVR4nO3dX2xT58HH8Z/zz4kNJEDtsLddE79qIUqikoh/QWsrwqRqacM2NrWZdtdp3VqpXDG1vaJ/WKeuKtOkhcFumm7StIGmib6ko9JYc5k/I8Jt4ymwdjZM79s0WUsSsOP89XthjhMnISRg+/ixv5+bEIccP6Xhy/McH5/HEYvFYkNT0icR6fqsNBMTAGS1Ioe0vlB60CVVlkiOoclYrG/c7mEBwJ3Zs0Eq+mck/slXSqRt7njlACCbXZ+VLoWlz6akyxG... | 1 |
math | algebra-2 | match-exponential-functions-and-graphs | true | false | Which graph matches this equation?
\[ y=-3\left(\frac{1}{4}\right)^{x}+6 \] | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVUAAAE1CAYAAABX+HN0AAAgg0lEQVR4nO3de3BUZZ4+8Od0091JSEgDuSGXCFETQTSYGUnEMYLDCJTsSlxnGQpXCOiIMLszK7WF1lJhq7ygMsyv5ueOgCJmhx0vKKvEqQBeYMbRBE2bhlI33AMGciPQuXW6k3Sf/aPtWxJId3L63PJ8qii6T8457zfp00+f2/u2IIqi2NANnHIC7R6gVwQREUVolAAkGYEbE4B0MyA0uEXxyzalyyIi0r7ZY4BRJ52+JxPMQPZoX+ISEVFk2j3A8U6gvhs44QQ... | 0 |
math | pre-k | count-pictures-up-to-10 | false | true | How many rocket ships are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE0CAYAAABZ4EexAABS7klEQVR4nO3deXxcd33v/9f3zEijfbF2WZZkS14l24md2HH2hDQNWxMIFAIEWmihl9LSW/oILT9aypZu3N5CQ2gD5baFBij3soYlIWS3Ey+x40W2vMiyVmu1NNpHM3O+vz9GdmxrJMu2jseS3s/HQ/CI5syc7xy9k8fne853MdZai4iIiIiIzAtOohtwNXJdl7FQKNHNkHlI2RKvKFviFWVLvKJseUcFfhyWWOhEZpuyJV5RtsQrypZ4Rdnyjgr8eKxVj1K8oWyJV5Q... | [
"8",
"9",
"6",
"7"
] | null | 2 |
science | grade-4 | animal-adaptations-skins-and-body-coverings | true | true | Caribou live in Canada and the northern United States. The caribou's skin is adapted to help the animal survive in cold places. Which animal's skin is also adapted for survival in cold places? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9d7glRZn4/6nqePLNafIMDJkhKLCABJGoIiomMKwgrGJCBMGEqxhYQXFBDIugBFkjKLogiAgKSBqGEZhhcrpzczj5dKz6/dF37jLEi46wX3/n8zzwzLndXam7ut966w1Ca62jKEIpRZMmTZo0adKkSZMmTf7fREqJaZqIMAx1U7hv0qRJkyZNmjRp0uT/faSUyKZw36RJkyZNmjRp0qTJPwdKKeQr3YgmTZo0adKkSZMmTZrsOJoCfpMmTZo0adKkSZM... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9d7xtV1nvj79HmXXVXU9PctIJCSGh9yYlCBgxKNUCV74YepFiQwUVL1fjBQG5KNJF8crVq3Lh0k0CAUII6eUkOf2cfXZZfbZRfn/MfbYJaQcIcPW33q9XytprrjnGmHONucYznuf5PMJ7740xOOeYMmXKlClTpkyZMmXKf0yklGitEUL8pLsyZcp/SuTUcJ4yZcqUKVOmTJky5T8+zjmMMT/pbkyZ8p8WOTWcp0yZMmXKlClTpkz5z8F0bT9lyo8... | 1 |
math | grade-1 | more-less-and-equally-likely | false | true | If you select a marble without looking, which color are you less likely to pick? | "iVBORw0KGgoAAAANSUhEUgAAASYAAADECAYAAAAyP4znAABr4klEQVR4nO29eXhc1Znn/zm3Nqm0WCu2JWzZxsYLttmcACGIgYQlCwFMNyFJM8mkuwNJdyeT0DMhHZh08rA+6ZBMdzqdnv5lASaBTEiMoWcMCVkwmM12A8HBK3iVbCNZe+33nvP745y7VEmytZQky6rv89hX59a9VbfuPfU93/c973lfoZRSlFBCCSWcRLCm+gJKKKGEEgpRIqYSSijhpEOJmEoooYSTDiViKqGEEk46lIiphBJKOOlQIqYSSijhpEOJmEoooYSTDiV... | [
"pink",
"neither; black and pink are equally likely",
"black"
] | null | 2 |
math | algebra-1 | perimeter-and-area-changes-in-scale | false | true | Look at this parallelogram: If the base is quadrupled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAABoAAAAOCAYAAAAxDQxDAAACJklEQVR4nL2UsUtqcRzFT97gCpkXQrEgcRBSgtICIXAJEaKboNIYiK13cdN/oE0QJx1+EG4NutUWtgTNZg0OFRKagygiIjcwzxsiIdD3etF7Zzz8Dp/vOcNvjiTxHzT/rwGhUAiRSAQGAHh6eoKqqjCbzVhbW4MQ4seBhtfXV6iqip2dHTSbTQghkEqlcHFx8bOk6+trKorCt7c3fiiVSvHw8JDTlM1m6ff7P3nHx8dMJpMkyXq9zr29PS4sLNDtdtNut1MIQcNwOIQ... | [
"The ratio of the new area to the old area will be 3:1.",
"The ratio of the new area to the old area will be 2:1.",
"The ratio of the new area to the old area will be 4:1.",
"The ratio of the new area to the old area will be 1:2."
] | null | 2 |
math | grade-2 | skip-counting-stories | false | true | Each roof has 2 sparrows. How many sparrows are on 4 roofs? | "iVBORw0KGgoAAAANSUhEUgAAAVcAAACnCAYAAACl1B+1AAAghElEQVR4nO3deVxU5f7A8c+wg8qqggoKCoLbFUlwy4AsEzWXwrXS63bdEI1ss9LMtPKWoui1zDW3+qWh1wV3IYXUEqX0qsimUCq54MKmMPP7g5icABOY8eD4fb9evF7DnGfO+c7x65dnnvOceVSaSxoNQtRwMaMiAQhZPkXROIR4EDGjIjFROgghhDBGD6W45hRp8Dh2k3ZJt8gpko6yqPkkZ0V1Vbu4br52l5mZBfdNwNibRWQUqjmRW8yIlLzqHlKIapGcFQ9DtYr... | [
"14",
"10",
"8",
"3"
] | null | 2 |
math | pre-k | squares | true | false | Which shape is a square? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAD0ElEQVR4nO3aTW4VRxRA4fOefwb8hIyCsoCQBSQSi2An2VG2xA4ImWQUM7XBEo6fmkFjYYgB26/7VtW954y6VNLVHXyqUW+maZpOLuDvczjbweWE2d4dbuDxAfzyAJ4ew+bk/TS9PG29lmXu+Q9w+Pp8Pvx8DL8+nBWa7dvZDl69g38v4K9z2J5ezhcisyV7fDCbAni7g+3u2oXZkl2Z+m+CbdtVrEpCs5CEZiEJzUISmoUkNAtJaBaS0CwkoVlIQrOQhGYhCc1... | 1 |
math | grade-2 | match-addition-sentences-and-models-sums-to-10 | true | false | Which shows 8+2=10? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAgwAAABKCAYAAADXGAxXAAAOlElEQVR4nO3dTYwb533H8d8zL3wbcmnt6s3SKtJKtholUoUqdZUcCiiF7FsuaQzkkKCX5uIUAXxxbjkmBnpqihZoC+SSQ5BDLwlaIIETo7klbRPYju06UrxyZKm7WnHt3eXLvD85zHJ3uaI4HHKe4XD0+wCCXkjOzNceYf7iDIdCSinXXOB2F9gJAF+CiIiInnCGABo68GwNOFECxJoj5a+2Z71ZRERElFfXFwDjVjf6zdMl4E+saJogIiKiJ9tOALzXAf7fBX7... | 0 |
math | grade-2 | identify-lines-of-symmetry | false | true | Is the dotted line a line of symmetry? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAqA0lEQVR4nO2deXhU1fnHv++5s2bfIGwBkVVAEFcU0eBWN4hWsXu1alGWqKiAWtBbtSou1QpKi/ZXq9XaYquI+4IoRuuKOwrIvoSE7Mus97y/PyaBkGQmk5l7ZyZ4Ps+T52Ey957zDpnvPcu7HIIi6TDzdF3XJ5WVlU0CgIkTJ67RdX0NES1Ltm0/dESyDVAoUhklEIUiAkogCkUElEAUiggogSgUEVACUSgiYEu2AYoQ48eP3wZgTZt/K1IASrYBipAfpLPfKz9I8lF... | [
"yes",
"no"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAaF0lEQVR4nO3de4xc5X3G8eecOTM7uzveXRuwvTY3Z7EIEIMs2LpAKmgKKJEICZGaRg6JKjWiEQkh4mJahQBNaCI1oWojpdRSkKIEB6lSi0pQmwZCoCWYkBAJiMkF1ljBXq+9eL327uzO5cw5/WO89q53Z3cu5zbvfD9SFGk8c9739+a3mWfOvHOO5fu+LwAAAABGsOOeAAAAAIDgEPABAAAAgxDwAQAAAIMQ8AEAAACDEPABAAAAgxDwAQAAAIMQ8AEAAACDEPABAAA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAfZElEQVR4nO3dfWwk9Z3n8U9VV7fb7fbDOMFjz/A0MSMCZECIzHEDOZHkIMpKCQtIl1vBZHXSRWwElxAxBO4UAmzC7eo2mdVdpByLbiOtsjxIJ23QErSXyxACd1mGsGH3gAzJBmxGweOxPcH2jLvH/VBddX/09Ngeu+1+qKeufr+kKMLurvr+fvqOuz9Vv6oyXNd1BQAAACAWDMMIu4RIMsMuAAAAAAD8RvABAAAAEHsEHwAAAACxR/ABAAAAEHsEHwAAAACxR/A... | 1 |
math | grade-2 | how-much-more-to-make-a-dollar | true | true | You have these coins:Which coins do you need to make a dollar? | "iVBORw0KGgoAAAANSUhEUgAAAUEAAACRCAYAAABdRwqqAACwHklEQVR4nOy9d3hcZ5n+/zlnzple1XuXLFnuvcV27NhxnNgppJPQlrYBvvzou7CwbFhYygILS9llSSAhCSG9OsV24hL3bsm2qtV7m9H0mVN+f4xmLDsJxCEVdF+XLsszo3PO+87MfZ56P4Ku6zpTmMIUpvB3CvHdvoApTGEKU3g3MUWCU5jCFP6uMUWCU5jCFP6uMUWCU5jCFP6uIb2bJ4/FYoRCIQYHB9E0jf7+fhRFwWaz0dXVxbRp0+jo6CA3Nxe73Y7JZCI9PR2... | null | [
"iVBORw0KGgoAAAANSUhEUgAAArMAAACRCAYAAADQHDAPAAEAAElEQVR4nOydd3hc5Zm+73Nmzpk+o1HvXbKK5d47NhhjsOmhJKRt2pJlc6XyS7JpZNN72Q0pkIQAgYTQTLeNscG9S5ZtyZKs3uv0csrvjymWwSRAIJDN3Nfly7ZmNHPON9KZZ97veZ9X0HVdJ0WKFCn+RREE4e0+hBQpUqRI8Xcgvt0HkCJFihQpUqRIkSLFGyUlZlOkSJEiRYoUKVL805ISsylSpEiRIkWKFCn+aUmJ2RQpUqRIkSJFihT/tBjfziePRCIEAgG... | 0 |
math | grade-4 | multiply-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 3×
2
3
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANwAAACOCAYAAABaHGZ9AAAD80lEQVR4nO3cwWqUdxTG4TOJCWSi7cLQ0EW7q4JCXQqt6+68gS4KyT2IvYT0JhTsHVS8A92400Ugsat20Yhxk5ghWoevi2FKFzI0k3/ehJnn2STDwMnHHH4EZnF6Xdd1ex+qfh9UHQ6rPnYFNHKpV3VlseqbftX6clVv733XPT8478eC2Xf7s6pLrwajF18uV11fHdUItHE4rNo5qvrrQ9XuoGrh4OPoDbFBe1cWR21VVb0bVi0M//MG0N64rb+7qoXzfRSYL4K... | 0 |
math | pre-k | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 5 − 2 = 3? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABKCAYAAACiqlhpAAAMfklEQVR4nO2dWXBb1RnHf7It2ZYsR7LiJbZjkwQvSRwgZGECAYclKU2Ah7K0NDADkynDMNCZTtvpS2dYpg9tmWk7pVCY8kCHpVBIoRCHlmQgxKEhDlmcOE4cO4qXxHaszbYs2ZIs3z4otizLtvZc5eb8Xjy693xX31/z/3zvOfece1WSJEn9Xuhwg9MP4xICgSBFZKlAnwlVWijWgKrfI0lNw3KnJRBce9ySD1nt7sCHRRqo0QWqUyAQpAanH9pc0OeFs27IGB4... | 3 |
math | grade-7 | identify-complementary-supplementary-vertical-and-adjacent-angles | false | true | Which angle is complementary to \angle{4}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADlCAYAAABpqIBfAAAtC0lEQVR4nO3de3CUdZr3/3cCk9ZgONUTWHY0hs6gCdAm+MMEl51KmEEgOzsDlCKxRiXwoAE5pAMSCBoIQTmJJhHQoIwJHhZQKMJUPZuA7pLsjkOSsTjYYDLBxBCsYqGnINhD1mbozu+PLL2giDl0cnd3Pq8qS+2+D9et/vHpy+99fYNaW1tbEfFRzc3NDBw40OgyRERERNot2OgCRH6I1Wrl+PHjRpchIiIi0iEK2OJzGhsbMZvNFBQUGF2KiIiISIcFaYmI+JLy8nJ... | [
"\\angle{2}",
"\\angle{5}",
"\\angle{1}",
"\\angle{3}"
] | null | 3 |
math | grade-3 | which-picture-shows-more | true | false | Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdUAAACYCAYAAACyCHPxAABokElEQVR4nO29d2DcV5mv/0zvRdJo1JvVZVnuvSR2nN47EJJsfktbNgQusMuycNl777LLFpa6WSBkQxIglfTEKe523Ltl2ZKs3mckTe/198dovrHZALYj27E5zz+2bEkzc+Yz73vOe94iS6fT6bEYdIXAn4REGoFAIBAIBGeAUgYmBdTqoUANsrFoOr3Xd7GflkAgEAgElzaLzaA8Gcp8UaSGekPG4woEAoFAIPjT+JPQEYTRGHSGQO5LZP5DOFSBQCAQCM4OkyL... | 0 |
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