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-6 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater area? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACKCAYAAABSKVOMAAAHFElEQVR4nO3dX0iTexzH8c+jzspz5oHZOnYiAstzWhdmUSj+oSQ1UNxiFc0s1oVXwbo5Xg2Koqsig/7ddLGgbjQW0jkOIoSNCYsOFWKWnU4gFk6j1h+dM9fsORejkXigc47Pvk/TzwuGbr9H9x2+fZ4NZY+iqqo6FgeexYCJGSChgmjechTAmA0U5wE/5gLK2LSq/jGu91i0kJXlAzl/xZJXVuYCv3yXrJBoviZmgD8ngdE48DQGZI0nkguMjLRkzE42BQDRGSB... | 1 |
math | grade-8 | identify-linear-and-nonlinear-functions-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAIrUlEQVR4nO2cbUhT7R/Hv5upL8ok09hcOvNZLIcLlSSLTMxCqcD/ZMyiEkeiGIL5okAiRUyqaYozY5beWnKXpcXdzBeSvYgRRWVlhuUDaoJamA/oWtv1f3Ez73s92Y7XqeS+PuCLXefs9/3x9TrnOtv57uDPv+6QpcBS6VMIBlWYoZRhhlKGGUoZZihlmKGUYYZSZhlfhefm5lBeXo6bN29ibGwMnp6eUCgUSE9Ph4ODA1+ydvHq1SskJCR8c/uDBw/g4eFhV03eDM3... | [
"linear",
"nonlinear"
] | null | 1 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAAD6CAYAAABXq7VOAABCtklEQVR4nO29eWwc95n3+a2rTzbFQxLFS7REUYdFypYd2bIcJY7HjhMfsR0ni7zx67wzyGCCAPvHzGKDMbyYBItkE3gmCBbJYgIssHHGsbGOR57kNTZO/NoTa2xrLPmSLImUTIoiKd7Noy92V9e9f7SaZLOvOrrJZun5/GN2dddTv48e/35PHb+qYgzDMEAQBEEQxKaG3egGEARBEAThHCroBEEQBOECqKATBEEQhAuggk4QBEEQLoAKOkEQBEG4ACroBEEQBOECqKA... | [
"46 − 5 = 41",
"47 − 4 = 43",
"47 − 5 = 42",
"46 − 6 = 40"
] | null | 2 |
math | algebra-1 | interpret-the-slope-and-y-intercept-of-a-linear-function | false | true | Jackie, an oceanographer, used satellite technology to measure the depth of Gull Bay over several years. The bay's depth changed gradually during this time. This situation can be modeled as a linear relationship. What does the slope of the line tell you about the situation? | "iVBORw0KGgoAAAANSUhEUgAAAjMAAAI0CAYAAADoV6h6AAB5b0lEQVR4nO3de1hU950/8PfMwFy4joiCgCAXuYuBqGgUIyGJ1sQEdA1aE0Oy69P0Ettdt7v7+Ouvv103ydM+u+m6tt3tulaSNG0TqYkxIlFDVBQj8YLIHYwygAoywHCdK3N+f4yMThgViMxw9P16nj5P5zvfOeczJyPznu/5nu+RCIIggIiIiEikpO4ugIiIiOjbYJghIiIiUWOYISIiIlFjmAGwdOlS7Nu3z/54//79SEhIgNVqdV9RRERENCoMMwBSUlJQXV1tf/z... | [
"The bay's depth increased 2centimeters every year.",
"The bay's depth increased 1centimeter every 3 years.",
"The bay's depth increased 1centimeter every 2 years.",
"The bay's depth increased 3centimeters every year."
] | null | 1 |
math | kindergarten | one-more-with-pictures-up-to-5 | true | true | Count the snails in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAfnUlEQVR4nO3deXxddZ3/8de5e/Z9bZO2aZo2bdM9XSmUpa1sU5ABUURBQHFEUIfHCIoKzijjD5URf6MizIjLDKKgbIKA0CptSte0Tdp0SZpmaZa22bd7c+893/njdkuTFpC0oe37+Xj08eg953zP+Z7z1zvfx+f7/VrGGIOIiIiIiAwLx0h3QERERETkXKKALSIiIiIyjBSwRURERESGkQK2iIiIiMgwUsAWERERERlGCtgiIiIiIsNIAVtEREREZBgpYIuIiIiIDCM... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7sAAAB+CAYAAADlVwZsAABWaElEQVR4nO3dd3Qc5bn48e9sX/VV712yJVnuvYHB2DRjOgQCIaGkEci9ye+GEJLADbmkQ8i9SUgIISEJSaihdwy4ypZkW7JkW5Jl9b7Srsr2md8fK8uWJcsGbMtWns85OUazU96ddyfneeZtCqAhhBBCCCGEOCk0TaPdC7VD0B8Av0TbQpwWBgXC9ZAXAgkmUJBkVwghhBBCiJOm3aNR4pzsUgjx721RBBgmuxBCCCGEEEJMJTVDwX+TTDAtNNjSJIQ49foDsG8... | 0 |
science | grade-3 | classify-fruits-and-vegetables-as-plant-parts | false | true | People use turnip plants for food. We usually eat the part of this plant that takes in water and nutrients. It holds the plant in place in the soil. Which part of the turnip plant do we usually eat? People use turnip plants for food. We usually eat the part of this plant that takes in water and nutrients. It holds the ... | "iVBORw0KGgoAAAANSUhEUgAAARoAAADKCAYAAAB6+o8hAAEAAElEQVR4nOz9Z6xu15nfCf5W2unNJ59zc2ImJVJUlkqppCq5qlx2w2VXstvd03YPxsAAnoABxhNgzIzRX8aG2+1uz9hl97jttj1d5aqSpVKqUilSIilSDOJlvLzx5PDGnfdaaz7sQ9oGur8WGxgv4OBcEOee+/J993728/yffxB/7a/9Nc9/OP/h/Ifz/xfnb//tv/2e/LsaoO5HSCkR0lM3DXVt8QJMGGPCAGcFJk7Y2dmjbjzjacrdu9vESQ8ThphAkWVzjHbEgeW... | [
"the leaves",
"the root"
] | null | 1 |
math | grade-3 | correct-amount-of-change | false | true | You pay $4.31 to buy a strawberry milkshake costing $3.53. You receive the following change:Is this the correct amount of change? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACSCAYAAAB/j70mAACYd0lEQVR4nOz9d5ycZ33v/7/uOvf0ndnZ3rSr1ar36iI35G4MmN4JCZCQCiEn7XASSMjJ7+SQQEJJaKGZZgzGxrjKXbLVe5e2992Z3ekzd/39MdpB4hgjGdnmi6/n47EPabWjmfu6d/947zWf6/ORPM/zEARBEARBEAThkpBf6QsQBEEQBEEQhN8mImALgiAIgiAIwiUkArYgCIIgCIIgXEIiYAuCIAiCIAjCJaS+1C/guQ7FQoF8NkMumyE9O0thNkm+VEYGwrE44Zp... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | represent-numbers-with-pictures-up-to-3 | true | false | Which shows 2? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAABJXklEQVR4nO3deXhc9X3v8fc5M3NmH81IGkkz2hdrsbXYlrFks4PBEMySpC1JKOGhaZY2t0l44LY3SZc8geQ2KbkQ8tz03gvN1iYNNECAJISAwTbGuy3bWixr3zWSZjT7dmbmnPuHbKcuYHgKYyX1ef3DY888Z37zffzhd86c8/v+BFVVVZ8MIwmI5iCrotFo8kQvgF0HayxQKoHgS6vqochqD0ujufR0OUA/nFj5g0eCJutKOjUaTX5Ec3A6DvMyDCVAjGRXXtD... | 1 |
math | grade-2 | place-value-up-to-thousands | false | true | What is the value of the underlined digit? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAiCAYAAABlRa5TAAAGvElEQVR4nO3dW0iU3xrH8d+MhWdT00KSKKJIMaLQytLKMEiRGMIy8qKoLiY7QqCCEJ0gOpBdpCiKeVNR1IURaRQUGinUhFmokaBRWmDWmGYW6fwv4v/uJsepxql2e38/MLDWzLPWei6fWaz3XSaHw+EQAAAAAK8w/+kEAAAAgP8lFNgAAACAF1FgAwAAAF5EgQ0AAAB4EQU2AAAA4EUU2AAAAIAXUWADAAAAXkSBDQAAAHiRuaqqSiaT6Yc/Bw4cGNOCa9eudZpv+vT... | [
"100",
"1,000",
"1"
] | null | 2 |
math | kindergarten | select-three-dimensional-shapes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAOUUlEQVR4nO2d228bZRqHf+OZ8Sk+JPYkaUuhwEKhFO0FAtEFBNJysXuzd3uz/8De7d+22gUJVVpAgLacqlKBQNs2ByfN+eDETu3YHk9mL8afz4exPY49M7/npoljJdP4yed33u99308yTdPcqwArReDMAKomCJk5FAmIy8CrUWA5CEh7ZdP8IT/tyyLEPu8mAOVJ0frkahB4bc6ympBZ48wAHhWA3QrwuAgE8lXrC5SWzDJx2XIUAJ4ZQMBo+gIhs4xwVDeBwHQ... | 1 |
science | grade-8 | use-punnett-squares-to-calculate-probabilities-of-offspring-types | false | true | In a group of muskmelon plants, some individuals have sour fruit and others have sweet fruit. In this group, the gene for the fruit taste trait has two alleles. The allele for sweet fruit (f) is recessive to the allele for sour fruit (F). This Punnett square shows a cross between two muskmelon plants. What is the proba... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAAJ+ElEQVR4nO3dT2jf9R3H8fevSbPEtDYd/TdG2AJtPQiZjohg8U8rYzAdjB6GLTm5g5Aheh4UdihlePKgl+FFpuJpQ3eZjDk8BDr4SQ9jepKJMiWdInRtltJ0vx2msZ3/EvPr9/vL6/d4nNJfv7/f703fl2c/+eaXTq/X6xUAABBhW9sDAAAA/SPwAQAgiMAHAIAgAh8AAIIIfAAACCLwAQAgiMAHAIAgAh8AAIIIfAAACCLwAQAgyGjbA/BZ586dqzNnznyt5y4sLNT... | [
"1/4",
"2/4",
"0/4",
"4/4"
] | null | 1 |
math | grade-4 | compare-fractions-using-models | false | true | Which fraction is greater? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAAf4klEQVR4nO3dbYyU9aH38d9WTMBSZrAmrbR2BnjhYzpzqtVia3f29PG0Hne5jWhim53NsYTbN8zqOdpXZfZumng8R3f2TpuKpx6GW9pYttFBSAwPkQtEIJFtZmkXTcwu1xZZFBvn2oY6tB7lfjFcsw8uMA/X4+z3kxhhZ2H+ML+EX/7X/6Ht3Llz5wQAAADAEZ/wewAAAABAK6FgAwAAAA6iYAMAAAAOomADAAAADqJgz+G+++5TW1ub2traND4+7vdwEEJ/+9vf9OM... | [
"neither; they are equal",
"2/4",
"4/8"
] | null | 0 |
math | pre-k | spheres | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAYEUlEQVR4nO2dSXAb15nH/72jG01QBChxcRXpqpgaa5mDlhrZB8kXT02U5RCpKrkkuczBOWZydm7WNancRoecnKuXSspRpsaXUAcvpeUwIuWITpVIl7mIBCkAjQZ6fXN4fA2ABGk0NjaA96tSSQJJdBP966+/971NIISQTRf42gZKAeATcDiJQxaAMQlYMIApFRA2HUK+LJ70aXE4rXMtA8grNv3PjAr8S5pazeEkjVIA/KMMbLjAMxsQiz79ApeWk2TGJOooAFg... | 0 |
science | grade-8 | identify-rocks-and-minerals | false | true | Sandstone has the following properties:
formed in layers
found in nature
not a pure substance
not made by living things
no fixed crystal structure
solid Is sandstone a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACk0ElEQVR4nOz9aZNk15nfCf7OOXdffI0l9wRIgiyqpOrukVmbjbXNzLces5k382KsZ8bUi9TqVolVxEIAmRmrr3e/9yzz4ngEEiBISaYCAbDyMQsgPZYMT/f73PMs/0U45xwf4kN8iO8N+WM/gQ/xIX7K8SFBPsSH+DPxIUE+xIf4M/EhQT7Eh/gz8SFBPsSH+DPxIUE+xIf4M/EhQT7Eh/gz8SFBPsSH+DPxIUE+xIf4M/EhQT7Eh/gz8SFBPsSH+DPxIUE+xIf4M/E... | [
"mineral",
"rock"
] | null | 1 |
math | grade-1 | purchases-do-you-have-enough-money | false | true |
A pack of gum costs 49 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAB3CAYAAAB2WzTHAABR0UlEQVR4nO3dd3hUZfYH8O+903t67wVCC72JgIgNEZAqKCoCigVdde24tmV/bnPdVde+zd3VXSsoCNJUROmQUJIAIY30Oplk+sw9vz/ijAypEwK4eD7Pk+eBO7eeuffOmXfee16BiAiMMcYYY4yxi4J4oXeAMcYYY4wx1nc4wWeMMcYYY+wi0ucJvtlNSP3CguHbWmB2c+8fxhhjjDHGzqegEvw1VW48W+DoMnH/qt6DEpuEnGYvbttvO+sdZIwxxhhjjPWcvKcz3n/... | [
"yes",
"no"
] | null | 0 |
math | grade-3 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater perimeter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAH0AAABdCAYAAACILGkTAAAKsklEQVR4nO2df0xT1x7AP+X39qCwRegQS0DhKZPFbe2DjW5LABf0GUNwJuJiIMuUzAx9sNlsY//AnHuRbKaYtz/I4gQzs7ksiD4XlsWXNF0e+z2LvuimBqqzKnvArvyoU6h9f/S1awcISsu9t/d+/tFyzu0918+9l/M953yPGo/H47l6E867YMQNEx5UIowYDSRFQ+69oIsDzdUbHs83w2I3S2W+KNRCzDmX90N6HCz9k/eOUIksRtzw0xhcuQlnXRA1POEtUIV... | 1 |
math | grade-1 | select-three-dimensional-shapes | true | false | Which shape is a rectangular prism? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAR6ElEQVR4nO3da3Bb5Z3H8e+RdCTZluSLfJMdNwTiBAJJyAUSh2FpaLcwlBBoO/uCDpcSBphu2V12O7xop1OYnS07IYRLl7a0mS1dygJbugN1gU3ZpelyS9JNHDvkYjuJgx1f4mtsybJulveFbMUKiWOSIx098v/zKpGOnvN38vOjc47+eo42MTEx0ROBI0Hwj0NsAiGyjk0DtxVq86HCDlpPeGJi94jZZQkxe2s8YGsNJv7is8PigkSqhcg2/nFoHoXuCLQEwTI... | 2 |
math | grade-6 | interpret-histograms | false | true | A business magazine surveyed its readers about their commute times. Are there fewer commutes that are 0-4 minutes or commutes that are 15-19 minutes? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAAAuAUlEQVR4nO3deVjU5cL/8Q+LbCoIigu4i7ijQllSmVJqbrmldjxanUotj2mnc7m0HI/l85zKx8ql8mdmi2ZmmuiBMrUSs8RU3FMJNxRBJRUwwXBgfn94MYmyfHE2ht6v63quh/nO3N/5zNzC+XB38x03s9lsFgAAAACbcHd2AAAAAKAqoWADAAAANkTBBlzEmjVrNG7cOG3evNlhz5mdna2JEyfqX//6lwoKCio8/tChQxo3bpwWLVpkh3S2MX/+fI0bN07Hjx93dhQ... | [
"15-19 minutes",
"0-4 minutes"
] | null | 1 |
math | kindergarten | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 2? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAXPklEQVR4nO3dfWwc93ng8e/M7Oz7G7ncXVIS3yRKFCnJSqzIlnV2LMNuHNtpLufYKa4vSXo59OqgCA69IM0BTXI4ILhLg6KH4g6HtkCvTXpIkLQJ2vQluaR+SexUlqWokkhKFCW+LF/3jfv+/jL3x1qy1MhxgpD8WeTz+Ufmcne483i+S3JmdqhZlmWt1eFaGQotaFoIITaJTQOfAfvdELWDtlazrDN51U9LiJ3nfj/YZsqdD/rsMOrp1CmE2ByFFkyXYLUOV8u... | 0 |
math | pre-k | represent-numbers-up-to-20 | true | false |
Which picture shows 5 squares? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAZYAAABcCAYAAABN/JPwAAACwElEQVR4nO3ZMU5UURTH4fMGmEJBG9RYaCda2bIKN+A6XIbrcAG6C0srESsbMVAxMgnI5Fq8kFgRwP974+D3NTOTSe49Z5pfXqZrrbWDs6qv86rZouq8FQBc2XpXtbVW9exO1aNpVXdw2trH42WPBcBtsHuvan1/3n94PK16frevDgBc1WxRtXdS9f2s6su8anJ83n8hKgDcxNZa35Cqqp+Lqsnijy8A4CYuGvKrVU2WOwoAt42wABAlLABECQsAUcICQJSwABA... | 1 |
science | grade-4 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEYCAYAAADPtGNgAADOf0lEQVR4nOz9ybNs2ZXeB/52dxrvbvv66AOBABJIAJlMMjMlspSUSSpRUslMmpSVaqJZzeqPqlkNaqQBZUajlRkpkZKRFJNEDwSiff3tvD3d7jTY57j7ffECIJnxMh7Bu8I87n3ufr0966y1vvWtb4l/tojxwzFMFTd2Yzf272ArD7/cwJMOjjT87cN0vbxxrBu7sb+aTRV8OE6/r/3uennjWDd2Y391G/zIxt11+pt5Kf+hWXjhZ/yK+wkimhAhiq96nID40t8... | 2 |
math | kindergarten | fewer-and-more-compare-by-matching | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAACGCAYAAACR4WX4AAAtWUlEQVR4nO29d2Cc1Z3u/znv9BlpRl2jXmzJtuRuGXcbU40xJdQkBEJCkk3Z9svm7t0ke/duzy+7d7Obm7Yb0gNJANNhwXTbuMiW5CZLsiWr9zKa3t/33D/GyBgMQSDJOLyff6SZd94yz5nn9PM9Qkoph+PQEYaACkmJjo7OWYwC0g1QZYd8M4jhmJSH/Bf7sXR0PvyscYKxPZx6UWCGBY6Um3R0dFIEVDgVgqE4nA6D4k+mDuhm0dF5O+mGlDcAgioo6psO6Oj... | 1 |
math | kindergarten | spheres | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAASvklEQVR4nO2dX1Bb153Hv0dIQn+QhBFGGIixYxvWjg1xTMe4Wzt2nJl2kg3ZmU1mMmmah5046cvONNluH9rZ8STTyUu7cWb2Zb3xvpSm027ch3UmmW3H8R+ctnbXOAG264BxMFjGgJENCCEQks4+XOnecwUY3Yuu7hH3fDITX12de+5P4qdzzu/P+V1CKaVjCWBwDoimgCSFQGAIdgL4yoAdHiDkBMjYAqV/njFbLIHV2O8H7DfmpBebnECzV9JMgcAIoimgPwb... | 2 |
math | pre-k | represent-numbers-with-shapes-up-to-5 | true | false | Which group has 2 circles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAMQUlEQVR4nO3d309T9x/H8VeBIlApU/m1KRvDfL9fCcaYOKN3GlAj6m5I8Mo7E/2rNMZwpTEkLBFxkBgvjC7EeKFRv/uGIUxpBWSltlZa7PeC4Db5Nl+gp+/P4fT5uGEGe877E9onZ6f1nFA+n8/HlqT/pKXkspTLCwA8URWS6iulf9RJLdVSKPYxn/9l0fVYAILuSFSq+jW98oevq6V/RVZqBABeSC5LL1PSzJL077RUsZhb+QaxAeC1+sqVtkjS+2WpYvkv3wA... | 1 |
math | pre-k | more | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAACGCAYAAACR4WX4AAAysklEQVR4nO29WXAcZ7qm92Rm5VI7ClVFrMTCDSQIUlwkkVooat+lltTd6u5zfI7HMWGHIxxhR9g3vvGtfTcTnom5sY9nzpn2nO6WrFZ3a99Jrdw3cAO4YC8sVQWg9sqsyvx9kQBISlR3Q01AVJ98IhSgsrIqs96/3j//9fskIYSYsuByGQo21AUeHh4L+CQIK7AxAE0aSFOmEEfy3/dteXjc/uyJgO9S2f2fFg16gq6bPDw8XAo2DJRg0oLBMsj5uvuCZxYPj28... | 1 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD8CAYAAABNcdMMAAAm10lEQVR4nO3deXxU9b3/8fdMJpNkMiQhAUIgYU0QCuKGBauibAGv1oVfBQEjeLW2yr22oLW1LLUqtbWK1V7Ui1LAEEC0qK1UZFGxeoWKW4WCYRMChDUkIXsmM78/Qr9ZXNhm5szyev51PkeS+fhQHr59c/I9Np/P5xMAAAAAv7BbvQAAAAAQSQjYAAAAgB8RsAEAAAA/ImADAAAAfkTABgAAAPyIgA0AAAD4EQEbAAAA8CMCNgLqT/96XZe9fKdKa49bvQoAAEBQ2Hj... | [
"2 pairs",
"no pairs",
"1 pair"
] | null | 2 |
science | grade-3 | identify-vertebrates-and-invertebrates | true | false | Select the invertebrate. Hint: Insects, spiders, and worms are invertebrates. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADa5klEQVR4nOz9eZBlWX7fh33OOXd9e+5ZlbUvXdXVe3X39DqNng0zWGbAAQkIkEhAlGiH7CAthyU6wgoqHLZkWxEOhRUhh0lT4iIwCJBYCGAwAGYwS89Mz/T09FrV3bXvWZVZuefLt9/lnOM/7r3vvayuHjTU/EOO4InIqsz37nKW3/n9vr/1iDd3rD1Rhqri37V/1/4X2doaLnXhbgwTDrzYyD6X/45w/137X3qrKjhRzn7v6NHn8t8R7r9r///QCjpN7Ogz534... | 0 |
science | grade-8 | compare-magnitudes-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes and shapes. | "iVBORw0KGgoAAAANSUhEUgAAAfEAAACtCAYAAACgCUZFAAAz8UlEQVR4nO3dd3hUVfrA8e+UzEwy6SSEhEAChFAVKSIIKE1BRImiiKK4FgTbunbXdRVX3RV1FXRdFBEbisoiLCAqYkFhqaFEOoFQQnpvM8m03x/8iCItk9yZeyd5P8+TB2a495z3cif3nXPuOefqPB6PByGEEEIEHL3aAQghhBCicSSJCyFEE2zbtg2dTnfSj8lkomvXrjzxxBNUVVV5Vd51113HyJEjvY5j165dXH311cTGxhIbG8vYsWPZsWOH1+WIwGJUOwAhhGg... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 2.",
"The magnitude of the magnetic force is smaller in Pair 1."
] | null | 2 |
math | grade-6 | compare-checking-accounts | false | true | The table shows checking account features and fees for two banks in Fort Bradstone. Estelle is a retired Navy veteran who wants to open a new checking account. She wants to link her account to a digital wallet to pay for things more easily. Estelle plans to use a nonbank ATM near her apartment 2 times per month. Which ... | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAACnJElEQVR4nOzdeZxN9f/A8dfd7525s48ZhsHIvu+RLCFrKCJLJClFkYpvtqSFSMu3nyVpL2RLWUZo40sSRYkiRpZhzL7eO3f//XHM5ZoZM8Mwlvfz8ZhHOcvnfM6595z7Pp/z/nyOyuPxeBBC3PAODTlZ1lUQQlyBqNdCOf18allXQwhRCtRlXQEhxJWT4FoIIYS4fkiALYQQQgghRCmSAFsIIYQQQohSJAG2EEIIIYQQpUgCbCGEEEIIIUqRBNhCCCGEEEKUIgmwhRB... | [
"Greenview Bank",
"East Island Bank"
] | null | 1 |
math | kindergarten | count-sides-and-corners | true | false | Which shape has 5 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGoklEQVR4nO2dS0+bRxSGjw1kkZB21yo/oO26K35X/0rTKCzCiqyQkg1sYRkpKGukNF2QVfkQN9lgZOz5posP0nAxvs2cOZf3kSLFMcYT9MSx53vPvK0YYzy4IvqnR9QNRMNIAMzNYovo+QLRL0+Jfn5C1Drox7jbKb0sYJmVH4gWv/SaGy+eEP32rLEQgHnpBqLPF0T/XhH93SNqd4bNHZAMpOT5QuMUEdF5IGqH7+4AICU3Tg0iUbvsUoAXIBpgAaIBFiAaYAG... | 1 |
math | pre-k | squares | true | false | Which shape is a square? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAADzElEQVR4nO3aTVIUQRBA4TczwMLfneIB1CN4DM/KNbyBP3vHLSgRImO7aFBUFIbpzqrKem/VHdWRkYsvelWLYRiG9Rl8OIWTDZwPmO3c3gIeruD5PXh6AIv112F4c1x6Lcvcq0ew9/50fHl2AC/vjwrNdu1kA2+/wMczeHcKy+Pz8UBkNmUPV6MpgM8bWG6uHJhN2aWpbwMsy65ivSQ0C0loFpLQLCShWUhCs5CEZiEJzUISmoUkNAtJaBaS0CwkoVlIQrOQhGY... | 1 |
math | pre-k | one-less-with-pictures-up-to-10 | true | true | Count the triangles in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAPlElEQVR4nO3dz24UZxbG4eMoCauRkm0uYmYVFLickLmNSGQzQSJzEVxIdgE0u7HZTWhYsQ2SyVi07a5ZDEhwsD//O1X1VffzbIFW+YjF290/yXvDMAwBAACU+GzuBwAAgG1iYAMAQCEDGwAAChnYAABQyMAGAIBCBjYAABQysAEAoJCBDQAAhQxsAAAoZGADAEAhAxsAAAoZ2AAAUMjABgCAQgY2AAAUMrABAKCQgQ0AAIUMbAAAKGRgAwBAIQMbAAAKGdgAAFDIwAY... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAAXc0lEQVR4nO3dz25c93kG4I+JLAFpE7iA0aLeFUWaZVdN4vQafBGxkjvoNkYUILAFS7mH+BLqfXeRg+5CapPaGnqlpqiBGKEkQvwzpwuahfyJPBzyzMz5fuc8z4YL29LRG2YgvvO95E5EdAEAAKxF13Xxp6OIz19EHJxGnPjbNsCN3NqJ+O63I77/nYi/ux2xEwoMAABYmz+97OI//zL2UwBMy4++F3Fr7IcAAIAp+ezF2ce/vx3xg786e/cQgOs7OI344/OI/z6... | 0 |
math | algebra-1 | identify-linear-and-exponential-functions-from-tables | false | true | Is this function linear or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAXLUlEQVR4nO3df5CW5b3f8Q/sygYEV1EQInJY0IgaUShICkdJK8GqQ+dEi4IExVFAnehkJlNgEqGMwQmTEH9F1DEDRnc0Ro2QmDBI1Go30kVPPRhpFLSAJEZdgRjBExUW+ocJLdXGXb2Wx11erxn/2Guf+7q+/vfmnvu5t9OCea/uSTtwyRVH5M7btlR6jBaZ9V8+X+kRAACokM6VHgAAADoSgQ0AAAUJbAAAKEhgAwBAQQIbAAAKEtgAAFCQwAYAgIIENgAAFCSwAQC... | [
"exponential",
"linear"
] | null | 1 |
math | grade-3 | read-a-thermometer | false | true | What is the temperature? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAbK0lEQVR4nO3db2wb+Z3f8Y9k2dnofNHgoMvFQE8en584xab+2SmaAHXAEQrsPui1Igv0UZCKLLAFiqIl2TwKigOHd2j3QXGg2KIoUAMnqmie9AlH/fMgAVoOL86DpDjtLJLDugVyO1baGkjV9qfEVbyWLfWBIMY0vbsm+RNJed6vR5rvDGe+fvbxF7/5zdzx8fGxAAAAADgxP+0GAAAAgNfJwjQemqap0jRVHMd9dd/35fu+giCYRlsAAADA2OYmtUQkSRJtbW0piiI... | [
"20°F",
"10°F",
"15°F",
"40°F"
] | null | 0 |
math | grade-3 | identify-multiplication-expressions-for-arrays | false | true | Which expression describes this array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFUCAYAAAAeSUs7AAAiz0lEQVR4nO3dP2xV5/nA8SdRJXuwhTcTGMyEmWBICBsUBlAHYKNDIpZEFUxNh9AJBtKlydC0CxnaDigZyoY70SEt2YiTgU52pniAms3IHczk33B0Ff0ScJ97znv+XN/PZ0okzjlvvop0Ht577rmv7e7u7gYAAFDE630vAAAA9hMDNgAAFGTABgCAggzYAABQkAEbAAAK+llnV9r45od/npmLOHhsf1+3Ca3ytMrTCgA60d6AvbEa8XglYnM94tn6y//MgUMRB5cjls9... | [
"3×4",
"5×3",
"5×4"
] | null | 2 |
math | pre-k | addition-sentences-up-to-10-what-does-the-model-show | false | true | Which addition sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAP90lEQVR4nO3dTWwc533H8d+87fuStCnJlCiKql8ku67rxjJg++D4UMApnAB2ESPILQYCJLfm2ENR2EWBOj22QIIcUxRIT8mpKJAAcVE4dlygsOvGbmPLb7JJ6o0UKS53Z3dndp4elpQoiaJFcuaZffl+AAMhsZzn/9MAmT+enfmPY4wxAgAAAJAKN+8CAAAAgFFCgw0AAACkiAYbAAAASBENNgAAAJAiGmwAAAAgRTTYAAAAQIposAEAAIAU0WADAAAAKaLBBgAAAFJ... | [
"3+1=4",
"5+1=6"
] | null | 1 |
math | kindergarten | curved-parts | true | false | Which shape has a curved part? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAJnElEQVR4nO2dS2xdRxnH/85LbUkDhJYqZYEqRJEqgZBYZMWeBV10jdQNqhQJBALEAlWom4LaCgEVbUNFEzbQpKAqwU78yMtNYzux41f8juM48U1s37ft43uv7+OcOyyuLKVRoLbvzHzfzPl+G8eyfc5f5/4yc+bMnPlalFIqWQXmSsB6BIQKgtA0e1qAJ3cD33wCeGYf0JKsKDUQUMcSfObwAWDPrVLjm0P7gG99oWGhIDTLegTcLALLVWC2BOwKwsYPRDJBJ0/... | 0 |
math | kindergarten | hexagons | true | false | Which shape is a hexagon? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAJgklEQVR4nO3cXWhUZx4G8OfMZCZjMsmYTOYrcZrVJNZKjVdSWHBvtgRZ18LqUtxKWEGkbCvdRZGlhLKsspRWKLttobRScJEWWbYurFiqeLEg7EVlL4ziV6JpjMlMJpmkk0ziZDIzZy/G053VqFHP+Z+PeX53EjzndebJec857/OqqKqqJvPA4DwwWwQKKoieWY0CNLiBrjog4gWU5IKqfjtj9rDIyV5qBGoG5st/iHmB5+vLKSR6VrNF4PockMgDN+YB10yh/AO... | 0 |
math | pre-k | flat-and-solid-shapes | false | true | Is this shape flat or solid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACmCAYAAADgZPidAAADkUlEQVR4nO3aoQ0CQRRFUZYgqAGDozUSCiKhNRyGGnBDCay4mwVyjv7iyZvJTGOMsQEAABLbtQcAAMA/EdgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAENrNPbw9LkvuAL7A+XhdewIA/Dwv2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAA... | [
"solid",
"flat"
] | null | 1 |
math | grade-2 | skip-counting-stories | false | true | Each coat rack has 5 jackets. How many jackets are on 4 coat racks? | "iVBORw0KGgoAAAANSUhEUgAAAVcAAACnCAYAAACl1B+1AAAk7klEQVR4nO3dd1gU5xbA4d9SRaqAYgeDJWisFNFYsCe2aOyJxthyTexeE70WFHuMSRA1xF5ij70iRIVoIhJ7R4UANlQUQaSIsPePlRUEFWSXFTzv8/C4OzM7c3Y9e+bbb8qnCFNGKBHiLdd9RW8ANvVbo+NIhHi97it6o6frIIQQoigqkOJ6I1GPpvvN6XDQjPhURUFsUoh8kZwV+ZXv4up/2xCfy8avTMCAW4bcSNTjYpw+350wye8mhcgXyVlREPJVXKedNeHr4OL... | [
"20",
"14",
"4",
"30"
] | null | 0 |
math | kindergarten | subtraction-sentences-up-to-5-what-does-the-model-show | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAAAyCAYAAAAZUZThAAAOtUlEQVR4nO2dW3Ab13nHf7tYXAiKF10okbo5kkgrtiNZkmckcyI5didNUie1nYmVpmPPEM6kHsUPyfgtad+ddKYPdtrJ9KHTsI3kZBorcepJldoey43VUpZsihZ1sUSRFi8iKV5AAASI2+45fVgCILALECB1ISD8ZjQUdvccnD/5/85+e87ZXUVKKalSpYot6t1uQJUqK5lqgFSpUoBqgFSpUoBqgJQJV699drebYGEpbSo3HdodbEeVJdJ57DhdZ7pp378P33Pfutv... | [
"4 − 1 = 3",
"3 − 2 = 1",
"4 − 2 = 2",
"4 − 3 = 1"
] | null | 2 |
math | grade-2 | select-figures-with-a-given-area | true | false | Which shape has an area of 8 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKQAAAD+CAYAAAC0oK7QAAAEWklEQVR4nO3dMY5VdRiH4e/OAAWCdhoWICyBxGikkR3pItyRWgiRWLADwB5sGSABmRyLC4nWc2bOO5fn6SZT/A/Jm6+bH7tlWZYX72b+ejNzcjrzfhm4MFd2MzePZ76+PvPVtZndi7fL8vjl1p8FM3c/n7ny7M3+h1vXZu58tq8VLsrJ6cyT1zPP3808fTNz9PL9/hdiZAs3j/ftzcy8Op05Ov3PL2ALH9v7Z5k52vZT4P8ESYogSREkKYIkRZCkCJIUQZIiSFI... | 1 |
math | grade-3 | am-or-pm | false | true | The sun is bright, so Brittany puts on her sunglasses. The clock shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABRaUlEQVR4nO3de3RU9b03/veePbdcZpIQwi3hrkKiBcSWBK3YnxroEetzFqGtVE97oLXaZ5UGTwGfqlAF7fMoeITqWlZRaB89iBU8Z3nEaqJtn7RIYi0CLROwEG4TIARIsnOb696/P4YMGTKX70zmmrxfa7nI7PnOzLfJ7M5nvvvz/XwkTdM0EBERERFRXOhSPQEiIiIioqGEATYRERERURwxwCYiIiIiiiMG2EREREREccQAm4iIiIgojvSpngClAa8GeDVol//1/yx... | [
"12:55 A.M.",
"12:55 P.M."
] | null | 1 |
math | grade-2 | names-and-values-of-all-coins | false | true | Which coin is this? | "iVBORw0KGgoAAAANSUhEUgAAAKsAAACrCAYAAAAZ6GwZAABiJUlEQVR4nO19XUhbabf/b8rBCMEYEwQ/YnDCKKGOMR1QhLSgGEo6rRehpTpvy7RwpvJKKWUYpjTQi14UIh2GQYYi2DlQh/aMliletD31XyIWbKAonMb4pgR9iTkxfoAYt5GA8UL/F5m1fPbOjtqv6cfMglI1yc7ez157PWv91m+t9cnW1hb+lpeXzc3NrX379n1CPwOAJEnQ6/WQJInfl0ql+GetVgu9Xg/63N/ycvIf7/oEPgTZ3NzcIgVMJBJYWFjA2toaCgoKtgB... | [
"dollar coin",
"quarter",
"dime",
"nickel"
] | null | 3 |
math | grade-1 | select-two-dimensional-shapes | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAE/ElEQVR4nO3bvVIcVxCG4d5dIJAlO7NLmRPbl6Bb0kXZpUAORKIiUZEoIFEgAidE8jryGsMiWcKLFmqB2eNgGBeWjfmZnjPdfd4nEoWCCd6a5u8bpJTS/qnIL8ciR5XIeRKgtZWByIORyDf3RL5aExnsL1LanvX9WIjs0eciK+Pj+oOHayLffVZXCLR1VIm8mYvsnYr8fCwynJ3XnyAyaHowqpsSEflYiQyrS58ANDVNnSWRYb+PglIQGrIgNGRBaMiC0JAFoSE... | 1 |
math | pre-k | addition-sentences-up-to-10-what-does-the-model-show | false | true | Which addition sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAQF0lEQVR4nO3dW2wc12HG8W9m9sZdrkSLF4ukaMq2LMWCLSGVCkNGLRUoIj9Eho3GgPMUpEHrNG/xSwEDbZO0Rf3Son2J0aJFL4CBtg8OUCRokABJitqW+xDbcWW3tiTLsi7UxVxdSO5tdi59WJGiJIrSijNnhjv/H2BYWi3nnM8wtN+emTljhWEYCgAAAEAk7KQnAAAAAPQTCjYAAAAQIQo2AAAAECEKNgAAABAhCjYAAAAQIQo2AAAAECEKNgAAABAhCjYAAAAQIQo... | [
"4+2=6",
"5+3=8"
] | null | 0 |
math | grade-3 | division-input-output-tables-find-the-rule | false | true | What is the rule for this input/output table? | "iVBORw0KGgoAAAANSUhEUgAAAMkAAABtCAYAAAALS0X9AAAMWklEQVR4nO3de1BUZ57G8e8h3F1oQAVkNLKIrEYQjIGURMHRxGRhExejTKIDFRSyxhhv2SqzU+Ml8TJJDJso2Ti6m1QSTeI2btAdSMpsSLxgSJU3sg4II+MFdBENNwVsGrrP/qFQy2LmqBBPn+7fp6qr6NOnTz1d3Q+n34b3bcVsNqsIIX6SO8C3IRv1ziFu+mX9b+T5cCC/rP8NbnqHEMLRSUmE0CAlEUKDlEQIDVISITRISYTQICURQoO73gHuRHTQZBZF5wGw4vA... | [
"÷ 2",
"÷ 1",
"÷ 4",
"÷ 3"
] | null | 0 |
math | grade-6 | identify-complementary-supplementary-vertical-adjacent-and-congruent-angles | false | true | Which angle is supplementary to \angle{2}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADgCAYAAAA5ZRHsAAAw0UlEQVR4nO3df1RU953/8ScSiFFOmFZtqtMW3JSDriBMlSXbrQzaHnOS2COeY5rsMQkgKJaQCA2a+itCUDdRGsc0iiEqsDHb5Ks9jJs0Huk2GSGbI9VkoOhRd9LNsCnaVtkM6ZBV2IHvH6wUFRVk4A7wepyTc8Jw7+e+5hz/ePOe93w+QZ2dnZ2IiIiIiIhfjDE6wI3Ex8fjdruNjiEiIiIi0i8BW2CbTCbi4uJYvXq10VFERERERPosYAvsiRMn8sUXX7Bt2zYWLVq... | [
"\\angle{5}",
"\\angle{4}",
"\\angle{6}",
"\\angle{3}"
] | null | 0 |
math | pre-k | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAE9UlEQVR4nO3dPWtbZxjG8Ut+G1KnpUtL9759A3+zbjEBL16yZMvQoYVCh0KHQodAoRk6OJMnoyhKIE5bq3FdgRTLLzrnPB1OThSDHUvW0X2el/9vM46Jhz+WbktcbjnnXO9c6o6kYS5lTsDcVlrS7WXpi1vSp2tSq3fm3ONB098WYrbxobTydFR+8Nma9NUHZYXAvIa59ORYOjiXOiNpaZCVnyAy1On2ctmUJL3OpaX8nU8AdaqaGjtpqdlvBakgNJggNJggNJg... | 1 |
math | grade-6 | mean-median-mode-and-range-find-the-missing-number | false | true | Jayla has the following data: If the mean is 14, which number could q be? | "iVBORw0KGgoAAAANSUhEUgAAAboAAAAkCAYAAAD/7P8CAAAJtElEQVR4nO3de1SUdR7H8ffMcL8IgoCiIKKYSgpJKoiX0lrLLiiabWXZamlnbbtutq3uabfdcq221q5uabfdY6apeSmXkMpQ0FAhMwNMTJFdEVSQyzAwM8/+QbCN4RHrmfk9cr6v/57f85z5fs75fTk/nsvMY9I0TQOwa800ORpxag5AQwghhLj4mDCbLPhZAvAy+bSOaJqm2RwN2JxWxeGEEEII/fiaA/C1BGB2aC2yyAkhhOhybM5G7FoLZpujUXUWIYQQwi2aHY2... | [
"25",
"13"
] | null | 1 |
math | grade-7 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{PR} and \line{SU} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAkt0lEQVR4nO3df1TW9f3/8cfFT4lMmJHGphckbqQyWSUrZIEereZgQ8faskT0zO1kHTDOVq2zqe2crdN+hLgf7kcrkjZrMmWL3MqFF4Xu7EIKIREnCJd1XNqWmKIRcF3fP/rAV+YFIteP93Vd7/vtHM/J9wuv1/P1PP3x8OXrer0tLpfLJRPq7u6WJMXFxRlaR7CifwAAAO6FGV2AUSoqKlRRUWF0GUGL/gEAALhnMesOdlJSkiwWizo7O40uJSjRPwAAAPdMuYNdXV0... | [
"\\angle{UTQ} and \\angle{RQO}",
"\\angle{UTQ} and \\angle{PQT}",
"\\angle{UTQ} and \\angle{PQO}",
"\\angle{UTQ} and \\angle{STV}"
] | null | 1 |
math | precalculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 6,3)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB1vklEQVR4nO3de3xU9Z0//teZa+4XkpCEYMIdDSSBQIAAEawWrVQrWAtt1Vptd+3NbXfbXddad1sttdva/mrVdtvVqtVdK9/iDYyIcjUQAgECCQghQC6E3DPJXM9lzvn9kSYlcsvA+TCZ5PV8PFofGea88s45M595z2c+c45kGIYBIiIiIiIyhSXcBRARERERjSRssImIiIiITMQGm4iIiIjIRGywiWiQzZs3Y8KECVi+fDkA4LbbbsMbb7xx3vuqqooFCxagvLz8apZ... | [
"yes",
"no"
] | null | 1 |
math | algebra-1 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlPklEQVR4nO39f3yU9Z3v/z8nM5PfIQkJJDGaICJYkKAoUhD8sVh11dJCf2D76Q973O26p649PZ/Pnm/P3rY9u3vz4+n3bNu9bY/t9rjtqdrPfj9d3apbsYFiRaFQiUYIJChihECA/Bjya35f8+P6/hEnTSTADFxvJpM87v9ohrmeeeW6Zq7rNde85hqXbdu2AAAAADgiL9sFAAAAANMJDTYAAADgIBpsAAAAwEE02AAmqK+v1+7du8d+PnLkiObMmaOurq4sVgUAQO6... | [
"all real numbers",
"$\\{x \\mid x>0\\}$",
"$\\{x \\mid x \\leq 0\\}$",
"$\\{x \\mid x \\geq 3\\}$"
] | null | 0 |
math | algebra-1 | perimeter-and-area-changes-in-scale | false | true | Look at this circle: If the radius is tripled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAACoAAAAUCAYAAAD7s6+GAAAB6klEQVR4nO2WMUgbYRiGnz8kS5vBxCNEcoTTgg6RgIHSaDsYSkvbHGgIOAlCCwFpl4CCbbroINQMXXTIJpUOQsbYoRDroKFiC0G0lBSqUISAUG3jdTg4roMQOGqN4oEIeeD4j4/v/XjuG45fmLumyRXAcdkCZ6UpajdNUbuxVVTXdTLZDEIRlL+U6/Xc2xztd9rxhD0MPR3i8PehJVcoFhCKYD4//9/ZTjtFI2qE7cq2pVb5XmH05ShjqTFGkiOEH4RRZIWZ5zP1HvW... | [
"The new area will be\n1\n4\nof the old area.",
"The new area will be 27 times the old area.",
"The new area will be 3 times the old area.",
"The new area will be 9 times the old area."
] | null | 3 |
science | grade-3 | identify-solids-liquids-and-gases | true | false | Select the solid. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAknElEQVR4nO2deZBcx33fP/3mvmf2PrGL+yAJgoRA0hZSImlKMlVSyi5bicplU3I55dhKrDh2xZHiqqhSTqUcH3JkSZSrYslSLFGiZce0RdqmKYqkBcYECRIgAZBYXIu975ndua/3On/07GKx2GN2d2b3AehP1dQCc3T3m/m+X3f/+te/Fm/MSbk/ACEHGs2WkjKhLwNjRYg54XhUPW9oQWq2i5AD9gfUv9Pm9ecNLUjNdjKvv5K8/pyxPU3RaFZGi1JjO7QoNbZ... | 0 |
math | algebra-2 | domain-and-range-of-radical-functions | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABwi0lEQVR4nO3deXxU5b0/8M+s2TeSkIRAwiZoIGETlE1RFK0LCtaLba3Va2u1bvX29l5vf92vP6+3rV2sWqu1LvfXe63eoq1gQBAEDEIkQiBhCwGyECbJJDOTWc8y5/z+wKREtplwHk4m+bxfL1++MpnzyZfnmTnznWfOnGPRdV0HEREREREZwmp2AUREREREQwkbbCIiIiIiA7HBJiIiIiIyEBtsIuqnuLgYW7du7fv5yJEjyM/PR1NTk4lVERERJQ422ETUT0VFBWp... | [
"$\\{x \\mid x \\leq 1\\}$",
"$\\{x \\mid x \\leq-3\\}$",
"$\\{x \\mid x \\leq-1\\}$",
"$\\{x \\mid x \\leq 3\\}$"
] | null | 2 |
math | pre-k | count-sides | true | false | Which shape has 3 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACd0lEQVR4nO3UO25UQRBA0ZrxJ+CbgVgAEBGzBTbCqtgIayAl4pNjUhssYTx6BE9I5HjuCHNO1K2WShVc9WZZluXsaubz5czFbuZ6Gfhrx5uZ+0czT+/MPD6d2Zz9WJZ354dei9vs5YOZ40+X6+XJ6czzu2uF8LcudjMfvs98uZr5eDmzPb9eH0TGTbp/tDY1M/NtN7Pd/fEAN+l3Uz+Xme1hV+F/ITQSQiMhNBJCIyE0EkIjITQSQiMhNBJCIyE0EkIjITQSQiM... | 1 |
math | grade-4 | acute-right-obtuse-and-straight-angles | false | true | Is this angle acute, right, obtuse, or straight? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABzCAYAAACil3UBAAAIkklEQVR4nO3dP2yc5R3A8d8RX5IG/4ntBCoCKoIiJekAbSGRKiSQigfaSrSwMDCARBdQMzZVuqBOmemfiTVjYOtiU4SoWgiCrZgOlTLYVoh95zjI57MvztvBubMdG7Dbu/fBTz4fycrr8yl57CxfPfr5eSpFURQBAAB0xV2pFwAAADkR2AAA0EUCGwAAukhgAwBAF/Xt9I3Xr7diYmImJsan49Spo/HyK4/0cl0AALAnfW1gT0014tKl2ZgYn46JiZnO69PTiwIbAAC... | [
"obtuse",
"right",
"acute",
"straight"
] | null | 1 |
math | grade-8 | identify-functions-graphs | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAciUlEQVR4nO3dfXAT54EG8Gclf8gStoQx2AR6PjhcdKnnEGcK9rlNjg4zV1M+ak8aQkmT0EkuySSXXiiEAjaOa0P58CR3FDflZtoQrgmkpNQHNGQmXDP8kbPNxIfaEEacM8ROPWMbCJZsLMuypL0/ZGsRyCaApN139fz+CVqj3de2eLKfzyvJsiz3+oFPvcBgEAjIICLStDQJyDYCRWYgPwOQekdk+eyA2sMiIro7S3KAtA5v+MXMDGC+JZxyRERaNhgELg4BPX7... | 0 |
science | grade-3 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEYCAYAAADPtGNgAABbn0lEQVR4nO19ebQlRZnnLyIy8963FwVVFBTYgMgqzVJAQSODWErbrB4R2wOKzuDoIHSjPePY00pjHzlKy4jaCthqS+OCOnrGpZtmsR1ksZVFKQELiq3AgqIWanvbvTczI775IzIil5t587533633CvJX51XmzTUyM7749i/YgzuJDh0CRgQqVKgwC0xIYO0U8JIP7OEAb1ikt/OKsCpU6A0jAjh0SK9Pyng7rwirQoXeYegooHibk3dgy1cdL0REHff3CiJZflD... | 0 |
math | grade-7 | apply-addition-and-subtraction-rules | false | true | The number line shows two unknown numbers, s and t. Is s–t positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAIj0lEQVR4nO3dW2wU1wHG8W/W7K7xFccXMBcbEYIoQjIQYy4F4qpVGopQMaVV6AOhQnUB0dxeeKiiEgXRoD4EqlCBCgmhgiJQTCUiqqh5wNBW9oJtXFzshAZsE24Gkjj4truw04ddL1gYTMp6z17+v6fZ8Vr65PGMP589c8aybdsWEMcOHDggy7K0cuVK01EQJRzz5MMxBxBPRpgOADypS5cumY6AKOOYJx+OOYB48tgF2+/3q66uTrW1tSooKGAUAYiwQLetm1Wd8rb... | [
"negative",
"positive"
] | null | 0 |
math | grade-8 | identify-functions-graphs | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAYSUlEQVR4nO3dbWxb9aHH8Z+TOHbskISHPDDYkmxwG5roNlXaPIyrinSatNB2W5nWTnvXakxMWl/txXgxMTTGRKVpmkTZNCG1bPfNKk2o3KYqElKDJqQ8QG4NS0rKBnZhu6TOoOmDHduJ4/vCPU6cOGkefGz/ne/nDY1Tjg+hfPn//+f4/B2JRCIxGZP+EZZuxqW5hACgoJU5pLtKpYc9Un255JiMJhIjN/J9WgCwMV1VUtnfw8kv7i+XtnmTlQOAQnYzLl0OSZ/... | 3 |
science | grade-3 | identify-materials-in-objects | false | true | Which material is this statue made of? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAABlEElEQVR4nO39abSlWXrXB/723u9wpjvEjRuRGVk5VlaVqjSURAkWWMK02ww2yAIjCTAtCcwy9mrb0PTqXsvYy3Z3r/7AB1gCm16yZdzYpmWBaIlGRsiFkISsqVQqSUXNlVmZGZkxj3c80zvsoT88e7/nnBtDVkqqzIi451kr4g7n3HPec85+9n6G//P/w9rWtra1rW1ta1vb2ta2trWtbW1rW9va1ra2ta3tMTb1Xl/AV2shhAL4TuAZILzHlyP2kKsIgFv6QQMhBMC... | [
"asphalt",
"rock"
] | null | 1 |
math | grade-1 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAiYAAAFvCAYAAAB+cQB/AAEAAElEQVR4nOz9e5BlV5XfiX/2ua/MrMx6ZkFVSaoHDSo9UGGgaAZoCxA2SB3TTfeAe8JgPI+Y/rnnj/HYdMQvhnHjP36eaPinmbDnD3DLHY7oBscMjZpu8DTi0RQPSbahJGFJqB6SVS9VllBl1iszb957z9l7/f5Ye++zz82bVZlZmVVZRS4CnTr33rz3nLP3Xuu7vmvttYyICOuyLuuyLuuyLuuyLmtAspt9AeuyLuuyLuuyLuuyLkHqN/sC1mVd1mVd1mX1RNo97Ok... | [
"about 70",
"about 20"
] | null | 0 |
math | grade-6 | quadrants | true | true | Which shape is in Quadrant III? | "iVBORw0KGgoAAAANSUhEUgAAAfkAAAH8CAYAAADSe9ZXAAA4MklEQVR4nO3de3BT94H+/0eysLGNb2DANgHnxiUBhwQSwiWmoYRdErLkyi/DpJdMsp2lMx0yu9nOZNlup5tp2HS+37QJTbJbdjOhu822E4ZstxRSCiHg4BJqCGCMIUAaY2JsbGPZlpElWdL5/UHlLwYbS8ZHR+fwfs10pjqWznn4RDrPuenIZRiGIQAA4DhuqwMAAABzUPIAADgUJQ8AgENR8gAAOBQlD0C//OUvVVlZ2fs4HA7rhz/8ofx+v4WpAFwrSh5wuA0bNmj... | null | [
"iVBORw0KGgoAAAANSUhEUgAAApcAAAH8CAYAAACEt4SVAAA+CUlEQVR4nO3df3AT94H//5dk2cY2/gUGbBNwfvEjAYcEEsIv03CEO/LjyE++GSb9kUmuc+lMj8xdrjO5XK7TyzRcOvdJm9A0bbnLhN41114Y0l4ppDSEgGMXqCGAMeZnijExNrbxLxlZkrXS9w9iF2MbS2bXqxXPx0yHai2tXn13Jb303tWuKxKJRAQAABKOy+WyOwKuQW67AwAAACBxUC4BAABgGsolAAAATEO5BAAAgGkolwD0i1/8QuXl5b23Q6GQvvvd78r... | 1 |
science | grade-8 | identify-rocks-and-minerals | false | true | Dolerite has the following properties:
not a pure substance
coarse-grained texture
found in nature
solid
not made by living things
no fixed crystal structure Is dolerite a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACyKklEQVR4nOz9+ZPj95nnB75w30DiRgLI+76qsu6bLB4SKXEo9cx0z7RiZrrdMRt2/+YNh+3YiI3wrnfDEf4PZsKeHtuj1mhGalGUREmUeBfrPjKz8r4zkUAmkIn7voH94YvvR+R0m902Ram9kU8Eg6xiViWQ+D6fz3O8D0W73W5zGqdxGn9jKH/fL+A0TuPvc5wmyGmcxhfEaYKcxml8QZwmyGmcxhfEaYKcxml8QZwmyGmcxhfEaYKcxml8QZwmyGmcxhfEaYKcxml... | [
"mineral",
"rock"
] | null | 1 |
math | grade-1 | addition-sentences-using-number-lines-sums-up-to-20 | false | true | Which addition sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAXFElEQVR4nO3de1BU590H8O9yc4PcFURSBKEDXkLAS8RLEsVUE3NTE6WayUTSGFPTjq12HGNMJxppNU2T6hszmVhnQq3B8VYwJuXVd0wAp8hFBI06atSA4IJxwSUs95V9/zg9CwsIu8thzzm7388Ms8vZzfr7ZVnOl+c85zkas9lsBhERERERScJD7gKIiIiIiFwJAzaRAnxyEdDuAZ79X7krGRz2oSyu0gcRkdp4yV0AkaurbQZGaAHvPv6cNbQDr+UC/3cL8PF0dmX... | [
"5+7=12",
"5+6=11",
"5+4=9",
"4+4=8"
] | null | 2 |
math | grade-8 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{IK} and \line{LN} are parallel lines. Which angles are corresponding angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAdxUlEQVR4nO3df1BVBf7/8ddBJB0rkB0qyQmkUJZEQSDKUH64rLWbJbO1Wzrjj9ktx+wHqU1b0w/U2d+Ut21rppoIG7NZ2R0pmymWEBQmf3ERuGWkiZf1zrQrLT+2VfPn/fzhl/sV+aHE4R7uPc/HDDPeey6e93n/9fLt+5xreL1er2yos7NTkhQREWFpHYGK/gEAAPQtxOoCrFJSUqKSkhKrywhY9A8AAKBvhl0n2LGxsTIMQ4cPH7a6lIBE/wAAAPpmywl2WVmZWlt... | [
"\\angle{KJH} and \\angle{NMO}",
"\\angle{KJH} and \\angle{IJH}",
"\\angle{KJH} and \\angle{NMJ}",
"\\angle{KJH} and \\angle{IJM}"
] | null | 2 |
math | grade-7 | nets-of-three-dimensional-figures | true | true | Which net will make this figure? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAQN0lEQVR4nO2dfVjUZbrHPzMM7whCvCoshAgIAiq0oLLZrqbWVSodrTYtdVU8a1c5qCUnLcfLzqa1IWznmPGS5Eva1XpC103N9ahthGnkoMaCvDQKhCAvw/vbML/zBzJHTGFmGGGA+VwXf8DMcz83853n+T33fT/P7ycSBEHAhNEgHmwHTPTEJIiRYRLEyDAJYmSYBDEyTIIYGSZBjAyTIAbgwIEDzJo1ixMnTvTfmGBCb65evSpER0cLgAAInp6e/bZpEkQPampqhDV... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAADlCAYAAADeIwWJAAArPUlEQVR4nO3de1yUdfr/8dcwnEQ5eQBREFQUFRBYLXVtq9081Lam9tvSVkvN1HW/fRNcS0pTXMtDW4qrHVQs87Bi+20Tq03TdnVXyTVbQcEVURsVD4wHEJTzzPz+GCE8IQMzc98zcz0fDx88RLjnEuTtPfP5XNdHA5gQqmEymbhQBcfLoNQANfLdEcKu3DXgq4VuPhDsCRokJFXlQqWJ/SVKVyGEAOjnB+5KFyFull9mfhviCVEtzf+jCSHsp9QAedfhfBUcKwM... | 1 |
science | grade-4 | animal-adaptations-beaks-mouths-and-necks | true | true | Little bitterns live near wetlands and marshes. A large part of their diet is fish. The shape of the little bittern's beak is adapted to catch fish. Which bird's beak is also adapted to catch fish? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd9wcVb3/36fMzO4+/UmDkIQSCEWE0FEkCogCItdCt1EEFWkiKNyrcDGKKE1BBMRCtVy8AqJyqUo1BAJEQJASOoH0PGV3Z+aU3x9ndpMnjYcQQfnt5/V6Xsnuzs6cOXNm9nu+5/P9fIT33htjcM7RQgsttNBCCy200EILLfx7QkqJ1hqR57lvBfcttNBCCy200EILLbTw7w8pJbIV3LfQQgsttNBCCy200MI7A8455NvdiBZaaKGFFlpooYUWWmhhzaE... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebxtV1Xl/51zrb33Ofe+NnlpSQIkECA0IoRGwGiItEJKytCKVTSCEgUUaS1BARvK0BWIgFAIBLuiSkAQi4D8lCYgEEKkk76RNCR5/bv3nL3XWnP+/lj7nuSlIQ+IotQZn8/73HfP2WfvdXZ391hzzDHE3T3njJmxxBJLLLHEEkssscQSS/zHhKoSY0REftBDWWKJH0rokjgvscQSSyyxxBJLLLHEf3yYGTnnH/Qwlljihxa6JM5LLLHEEkssscQ... | 0 |
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. Burmese pythons hatc... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOz9V7Rl6V3fe39nDiuHvXbOu3btyqm7q3NSq9Vq5YgEyEKADRg4GIwN+Bz7YBtssA04gAkGLEAgIZCQ1MpqdVbnqurKeee0cl4zz3ku9F643nFuT/cYZn7u5s0e62L+xv6N/zOf5xFea0fR3gSkJGKxWCwWi8Visf9PdAO42geh40dRXDxjsVgsFovFYv9f6wYgRFEUvdU/JBaLxWKxWCz294P8vz784W//MRsbV+l36mzuriBrGh/+0D9G1Uyunj/... | 1 |
math | algebra-1 | identify-direct-variation-and-inverse-variation | true | false | Which table shows inverse variation? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdwAAAA/CAYAAABKBHltAAAN70lEQVR4nO3ce1RU9d7H8fcYEoWCIDcztKNy0XRFRxRlBV46shAQRU8oqXW8pIkp6h8CWtpKvIQZaSqmHY9IiYZysBDKkxeUFi0vqOCF6eHxEo8hIuAFVG4zzx888Qgqsmo7mxm+r7Xmj9nstX+fxW/t+cy+jSbcJ1WPEEIIIZ4qM4BPk0arnaPFFoTtZcMR48nb1s32lfkyJjJfxkXmy7i0UzuAEEII0RZI4QohhBAGIIUrhBBCGIAUrhBCCGEAUrhCCCGEAUj... | 1 |
math | algebra-1 | identify-functions-vertical-line-test | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAZDUlEQVR4nO3dXWyb12GH8T+pL0qMbcWuKOdT1prUWqjN8mxLMooFVoBuVSyncIDGBYYAi9AACWDfDWuv1CxuinjIhgGV6xXY4rS9qYMiMGYVDpbODIoNkpgYZhfKlbuglJ0BlsglluRSIqkP7uI1KVKiZMkW+fKQz+9GIiWRb6T4wTnv13Ekk8nkeEL6dEa6vSDNJwUARa3SIW2pkJ6skxqrJcd4PJn0T9u9WQBwbzq2SpX/M2M9eKha2u22KgcAxez2gnQtKt1... | 1 |
math | grade-4 | measure-angles-with-a-protractor | false | true | Is this angle acute, right, or obtuse? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEVCAYAAADaTZLyAADxeklEQVR4nOyddVhUaf/GPzNDd3crAmJ3d3d3r73l5u/td9/aN7Z3XWPt7u7uQkUEFQHp7m5m5vfHgaOYoLjq+nyuyws5+ZxhGO7zPfdzfxVarVaLQCB4Lfniiy/44osvXvUwBAKBQCAQ1AKFENgCwetJTEwMnp6eREdH4+Hh8aqHIxAIBAKBoIYoX/UABALB45k7d261rwKBQCAQCN4MRAVbIHgNycnJwdHRkZKSEgwMDEhOTsbCwuJVD0sgEAgEAkENEBVsgeA1ZPf... | [
"right",
"acute",
"obtuse"
] | null | 1 |
math | pre-k | addition-sentences-up-to-10-which-model-matches | true | false | Which shows 4+2=6? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUQAAABKCAYAAADDly0CAAAMd0lEQVR4nO3dSYwcVx3H8e+rpfd2ZzzeEo+xx04MBhsLCzAckAJycsslEIkDERe4BBQpl3DjiCJxAgQSIHHhEOXABQQSKCiCG7uSkASwk7FxbDwe9yQzvVV1LY9Ddc/myUxXT1UvNf+PNBrbXf2qflb1v6tevaqntNb6TheutaERgK8RQoh9wVJQNeGREhzNgbrjav3n1XFvlhBCjNflA2BdbUd/eTAHHy5H1VIIIfaDRgD/bsH/uvCfNhirfvSCFEMhxH5TNaP... | 0 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 3 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAC9klEQVR4nO3UuW4UQRSG0TvjJWDNjJBjloAYXorH8VM5JgBMamEIbbCE8agJWiAQoWf+7qo+J6pSSVc3+FSrYRiGi5uqT9dVV5uq26HgzvZXVQ/3qp7dq3pyWLW6+DEMp5dTr0XP3jyq2j+7Hi9PD6te3B8rhLu62lR9+F71+abq43XV+vJ2fBAZ2/Rwb2yqqurbpmq9+esBtul3Uz+HqvW0q7AUQiNCaEQIjQihESE0IoRGhNCIEBoRQiNCaEQIjQihESE0IoR... | 2 |
science | grade-5 | use-evidence-to-classify-animals | true | false | Bony fish are a group of animals with similar traits. The following traits can be used to identify bony fish: They have fins, not limbs.
They live underwater.
They have a skeleton made of cartilage.
They make eggs with no shells. Observe the animals and read the descriptions. Select the one animal that has all of the b... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOz9ebRsd1nnj78+0967qs505yH3Zp5DQiADYIAwBU0YBBQiAoootiKIKAo2tLqQRpSm6QZtG7UBEaFZ4GIQGgSZgoRfCNAgESIxkPHmzmeqYe/9GZ7fH586JzlkwojQX7JfWXflnDpVe65dTz3D+62uXhY5bQCzho6Ojo6Ojo6Ojo5/F1Yj/PMI1EoQ6QLPjo6Ojo6Ojo6Of29WIygRkR/0hnR0dHR0dHR0dNw/sHf8Zf7MR6CUotcr2TQ7x1y/x9z... | 0 |
math | pre-k | fewer-and-more-compare-by-counting | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAADo0lEQVR4nO3WPW4dZRiG4ff4rwgJNBEI98ASsoqsx6Xl0ttJdpEdhFAbo6SyE0sxPhqKUSQ6S6Cjm3Cuq5kZTfNopFvfbJZlWa7vZ367m7ndzjwsA+zI0Wbm2eHMT09mfjiZ2Vx/XpY3N/Us2D8vvp05ene3Pvx4MvPLN2udwG7cbmfefpr5/X7m17uZg5uH9YX4YPeeHa6tzcx83M4cbP/2Ati9L639ucwctFNgvwkQQgKEkAAhJEAICRBCAoSQACEkQAgJEEI... | 1 |
math | grade-5 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEPCAYAAAB4ALMPAAA2hklEQVR4nO3deXRcdX7n/U+VSqtLcmnfN0uyvOIFr+AFs5ml083SJOmZGBiGSacd8vDgyXTyzNAnZ5qH5mQ64STQaZKnJ92kB3IgbrAD3cZgsPAu7/KKFy3Wvm+l0l7L84fpa7uxjJYqXanq/frrc6ukez/imKOvy/f+fhafz+cTAAAAAL+wml0AAAAACCYM2AAAAIAfMWADAAAAfsSADQAAAPgRAzYAAADgRwzYAAAAgB8xYAMAAAB+ZDO7wHhVdzfoWx/9d4Vbw/Q... | [
"no",
"yes"
] | null | 1 |
math | kindergarten | represent-numbers-with-pictures-up-to-3 | true | false | Which shows 2? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAVlklEQVR4nO3deXCc933f8ffz7H1jgcVJgCAIXiB4ieIhUqJkK5FUjSQn8cTxuG2SdsZ1+0cn4/RIk+mkSTx1pp1xp0mm7SSdaTyZpK09U3sSJY4sOZKsi/ctkiIB8AJAHItrF3tfz9M/YKqJ69gxCeAnAZ/XPwS4WOD5fWff+zy7zwJrua7rTlVhpAi5BtRdRGSFeC2IeWBrGNr9YE1VXPf0ounNEll/DsfBO1xc+qTTD9sjS3WKyMrINeBGASarMFQEe7G+dIH... | 0 |
math | grade-3 | certain-probable-unlikely-and-impossible | false | true | If you select a marble without looking, how likely is it that you will pick a black one? | "iVBORw0KGgoAAAANSUhEUgAAASYAAADECAYAAAAyP4znAABkmUlEQVR4nO39eYBU5Z3vj7+eU9U7vUIhdAmNTSNLQEVAUZMm6gioma+CM6ImxCTXiUvme3MNk29wi2YGUCZ3NHdyx5hkYmKMwUQJtj/vKCYaBb1RliDasiirTXfTNL13LV11zvP8/njOOVXVC/RSvdDUO+OcPnVOnfOcOg/vz/J8FqGUUqSQQgopjCAYwz2AFFJIIYXOSBFTCimkMOKQIqYUUkhhxME73ANIIYUUBg+vv/46b731Fp999hnHjh2jurqa6upqMjIy8Pv... | [
"certain",
"unlikely",
"probable",
"impossible"
] | null | 2 |
engineer | grade-6 | identify-control-and-experimental-groups | false | true | In this experiment, which were part of a control group? The passage below describes an experiment. Samuel noticed that he could make a dome of water on a penny if he added drops of water slowly enough. He wondered if adding soap to the water would allow him to fit more or less water on the penny.
Samuel put equal-sized... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEhCAYAAAAUBJnbAAEAAElEQVR4nOz92ZNk2X3nB37OOXf1JTz2yH2pzMqsDUChABIkCDbY6G6RTZFUj9Q2rdGY2kymh3mQbMzmZcZMf8OM5qXNxkwczbxptLTa1JKNutEjLuACkAQKVUBV1pJ7ZmRExuq7+13POfNw7r3hUSgsXEQUCvEzi7yR7h7u193P/Z7f8v19f+I/+U/+E8uZndmZndnPkP3n//l//lN5XQ/gn/2zf/ZTefEzO7MzO7O/rP2n/+l/+lN7bflTe+UzO7MzO7OfMTsDzDM... | [
"the pennies with pure water",
"the pennies with soapy water"
] | null | 0 |
science | grade-4 | read-a-thermometer | false | true | Select the temperature shown by this thermometer. | "iVBORw0KGgoAAAANSUhEUgAAAQgAAAKGCAYAAAC2pAXKAACiRklEQVR4nO2deXxU1d3/P3cySWaykglLQgIC2UAggGwBlVVFRGuruLRYtbUu9eljq326+djaxV/bZ2nd2rq19dFitW4VBYRWEHCBsMkqkoQAEsIiSViSmZBlzu+Pyb25yzn3nrvMTLDn/ZLXNTPzPZ9zzj33+/2eczep+08/JL4bfwSBQPCvxzfv+z6++fVbUDlmNPV7X4LrIxAIziGEgxAIBEz8ya6AQCBIHk/89r9NvxcZhEAgYCIchEAgYCIchEAgYCIchEAgYCI... | [
"43°C",
"113°C",
"45°C"
] | null | 2 |
math | pre-k | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAWTUlEQVR4nO2dTXAbx5XH//ONjwFIAqREyinCVWtqbUm7VZZcG/sg+aKtWHFyWPuQS5zLHuTr5hzfkrOv0WFP9iUHabeSiuRUJQdTh01SFlW1pY9E8lYZrDIJmQAoAIMB5qNn9tDoIUBCIiXOYGaA/l0kQSTQmP7Pm9evX78n+L7v12zgaxPoEMD1weEkDlkAChKwlgNOqoBQs3z/r+24h8XhHJ3vFwH5sUn/saIC/5inquZwkkaHAH/vAts28MgExLZL/4OLlpN... | 2 |
science | grade-6 | predict-heat-flow-and-temperature-changes | true | false | Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAX2ElEQVR4nO3d6XMTZ54H8G+31Lpsyca3sY1tDDEGkwCGmBBgyGRqk8lRk0mWOTJJJlW72VdT+2L39e4fsP/B1lRN7W6ymZpJNpvAZEMSCEm4YWxujA9sfF/yJVl3H/uiLRlhAyKSu2X5+6miEoTUfqzu/vbz/Pp5JEHTNG0sCvQEAb8CyBqIiDLCKgBuC7DZBZTbAGEsomkXfWY3i4hyXasHsHYH9b9U2oDGPD2NiIgywa8AnQFgNAp0BQHRJ+v/wLAhokxzW/R... | 0 |
math | grade-5 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAM0AAACmCAYAAAB5jwvwAAAOV0lEQVR4nO3df1RUdd4H8PdMoxxxh3Q0rIQWSYVjDzvG6qKJgXqoIe3H09HKHk3yFxwoiV1sCTJEEdA0RcNgwZbUHtqW3efpkWQ20kBxcdJ4mNhtsRA5grWSjekkRkwz+0fLnIhBuHDn3jvwfv053Ln3M+fMm3vvfD/f71U5HA4HiKjf1HIXQORpNHIXIAaVSiV3CdRPGRkZePjhh6HX6+UuZcBUnn55xsB4ptjYWGRlZUGn08ldimBDJjQbn7fKXAn1ZeM2LQDARzs... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAACmCAYAAABX731LAAAgmklEQVR4nO3deVxU9f7H8RdbKIogmUtuSIC4IIoaEhSoqWBZ2s8lyxQDc8utqy2aiam43NyLRFAntQvdsjRNuWoJBQmiCLiEokiKqaQIIigyMr8/CMokBZ2ZMwOf5z88wjPnfKYZ337POd/v55hoNBoNQogqMzExUboEoUemShcghBCGzFzpArRB/mU3HnPnzuXFF1/Ezc1N6VKEqBITYz/dloA0TmPHjiUkJAQ7OzulS6k2+c7VLjUmJIPfLlC4EnE/wUusAWh... | 0 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its base? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC+CAYAAAAP4XhrAAAeGElEQVR4nO3da3BUdb7u8aeTdDokMVwDJxuCCggWNyNCEHRQtjiMM0JNeUhtowk1WqQ83Kw5GwoOnilR0DkCbiU6ZwbYsylS7JEwmjooJGZrlBFQCBAdJaiMY6JcW0Q7RsKlQ7rPC6a7c2+SrO61uvv7qaJKOt1r/SjfPOn6r99j83q9XgEAAAAwRJzZAwAAAADRJMHsAczmcrl09OhR/fjjj7rvvvvMHgcAAAARLua/wZ47d65+8pOf6Oc//7m2bNli9jgAAACIcLZ... | [
"square",
"octagon",
"rectangle",
"triangle"
] | null | 3 |
science | grade-4 | animal-adaptations-skins-and-body-coverings | true | true | Hermann's tortoises are adapted to protect themselves from a predator with sharp teeth. They have hard outer shells covering their bodies. A Hermann's tortoise can pull its head and legs into its shell when attacked. Which animal's body is better adapted for protection against a predator with sharp teeth? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9eZxcRdX//66qu/Qy3bNP9hCyTMgewr4TkCVhEWWTRVkUH0FEQRCiDyiCytewKDECoggYEA0PjyzCAyjKkgCBEAJhSci+J5NMMltPL/dW/f6o251MEsIEg6i//rxeA+nuu9StqnvvOac+53OEMcYEQYDWmjLKKKOMMsooo4wyyijj3xNSShzHQRQKBVM27ssoo4wyyiijjDLKKOPfH1JKZNm4L6OMMsooo4wyyiijjP8MaK2Rn3YjyiijjDLKKKOMMso... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebwlVXnu/11DDXs6U88TNN1NIzMyCaJErjIKhhgnnPVGf5HgAFcDaNQ4XE0Eh0BwuE5o0JiQyWg04hQHRFFEFBCQZu65+5w+wx6raq3fH6tWnTqnG2mwDSap5/Np6LPP3lWr1lq1u573fd7nFdZam6YpxhgqVKhQoUKFChUqVKjwXxNSSrTWCCEe76FUqPDfErIizhUqVKhQoUKFChUq/NeHMYY0TR/vYVSo8N8WsiLOFSpUqFChQoUKFSr890D... | 0 |
math | grade-2 | identify-the-fraction | false | true | What fraction of the shape is green? | "iVBORw0KGgoAAAANSUhEUgAAAQ0AAABkCAYAAACcnmUuAAAXGElEQVR4nO2dfVRU95nHv6MyMeEiCdaFkZcx4rQRaRGSrEAAk6ow2OZUV4FumzYGwqZnE0mVbLfBsxu0rWa7G2Nr2nN2idTdbF4ErW5SYDBoLENgfKlAwxB1UBlAB1RIgIuSieTuHzP3egeGYV7uzDD4fM7JOYa587uXP/j+7vN9Xn4yjuM4EARBOMkcfz+Ap7T1G3C0qwH/8+n/4catz7D2wQxsiM1CljLN349GEDMSWaC9aQyaWehMLdAYtWg0NaOH7bV7XRQTAbU... | [
"1/10",
"1/9",
"2/5",
"1/4"
] | null | 0 |
science | grade-3 | predict-temperature-changes | true | true | Two identical blocks are heated to different temperatures. The blocks are placed so that they touch each other. Heat can flow from one block to another but cannot escape from the blocks. Later, the temperature of each block is measured again. Which pair of temperatures is possible? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAXPUlEQVR4nO3de3QcZ3nH8e87M7ta3WXZsixf48S3ECdOnMQmQAklEAoplBQ4lEtDCBAI7aEBwiXlFsIdGih3DpDQBgI9PYU0lECBcggQB+Lg+BI5thPbiRzLN0nWdXe1OzPv2z/e1UiyLl7ZkmYlPZ9zcuKdeWf2lWb1m5ln3p1RxhiDEEIATtwdEEKUDgkEIUREAkEIEZFAEEJEJBCEEBEJBCFERAJBCBGRQBBCRCQQhBARCQQhREQCQQgRkUAQQkQkEIQQEQkEIUT... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAivUlEQVR4nO3dd5wcZ53n8c9TVd2Tg0YajbIsW7IEFs4BA0cy4YA1iwm7RzhyXl5EA2b9Apu0gDl7gSUc+c5rwovXcqxJ+4I9jiiDZWxLtmxJlmRZskZhgmY0ebqr6rk/qidIE9Qj9VRV93zf/4y6usLT8zz6za+qfvW0ASwiIoC1lqM52DsE/QH4ig4iUiKegQYXNtRCWxYMSkBEpODoqGVrX9KtEJFKd1UjeEk3QkTSY89Q9HN5FjbWRWcrIiKl0B/A7kE4koN... | 1 |
math | algebra-1 | perimeter-area-and-volume-changes-in-scale | false | true | Look at this cube: If the side lengths are doubled, then which of the following statements about its volume will be true? | "iVBORw0KGgoAAAANSUhEUgAAABQAAAAOCAYAAAAvxDzwAAABSUlEQVR4nNWTr8rCcBSGn+nEPwsKZjEsDIt4A+aNHxbZFRjUGxAU24Jm72BgsxjFC7DJysBgMJis2hbmzheEFYXvY1i+F95w4JyHc3g5mogIX1Tum7AUOJvNKBQKlEql1GEYZgfe73dWqxVRFKVut9uZgDrA4/GgWq3+2tzv9+l0OhyPR06nE4PBgHK5zG6343a7sdlsQETEcRyxbVsajYY0m01ZLBbySa7rilJKkiSR8/ksuq6L7/siIuJ5nozHY9EBut0uhmGw3W6... | [
"The new volume will be 64 times the old volume.",
"The new volume will be 4 times the old volume.",
"The new volume will be 8 times the old volume.",
"The new volume will be 2 times the old volume."
] | null | 2 |
math | pre-k | count-sides | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGqUlEQVR4nO2dXU8bRxSGjyGgNiXtRaVWvajUm7Y/IT+gPxwEIRJISSS4CU0jlSvoxdp4/bF417vTiyUKIQZ77Zkzc855HylSwFgs8MjenX3PvD3nnLsuif6ZEo1qorkjADbmWY/oxTbR78+Jft4l6l3PnDvNYx8W0MzL74mefZi2H/yyS/Tnd62FAGzKqCa6mBBdlUR/T4m28nn7ACQDPnmx3TpFRDSuibbqew8A4JNPTlWOaCvuoQArQDTAAkQDLEA0wAJEAyx... | 1 |
math | grade-1 | identify-faces-of-three-dimensional-shapes | false | true | Does this shape have a triangle as a face? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAENCAYAAAA1yBIEAAA1SUlEQVR4nO3d6VeUd77v/c9Vw1UDBRQFIrMxiYlJTGcwGo0a45REk63R7gznbzjP7n/qfnI/u8/a6+zTu/v0Tu/dfTqtjUMSY4y2E4goVQw11zWcBxdVgEAELKjp/VorixUW4K8YFp/68R0M13VdAQAAAKgKX60PAAAAADQTAjYAAABQRQRsAAAAoIoI2AAAAEAVEbABAACAKiJgAwAAAFVEwAYAAACqiIANAAAAVFGg1geAZ2K8pP/v/00qk7bU0RnQy6+GNTxiamD... | [
"no",
"yes"
] | null | 1 |
math | pre-k | one-more-with-pictures-up-to-10 | true | true | Count the tomatoes in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABAIklEQVR4nO3deZxcV33n/c+5tXXt1Uv1WtV7S+pu7YtlyQu7CcYmdmLAGJLwEGAgwAQGJgSTDDyQScIDgeSZQMI2mSQ2YBuCHQzYMcHY2mzJ2nuR1Pum3rv2qq7tnvmj1C211m6pN9nn/XqB7aq7nLpXv1d9dercc4SUUqIoiqIoiqIoyqLQVroBiqIoiqIoivJqogK2oiiKoiiKoiwiFbAVRVEURVEUZRGpgK0oiqIoiqIoi0gFbEVRFEVRFEVZRCpgK4qiKIqiKMo... | null | [
"iVBORw0KGgoAAAANSUhEUgAABOwAAAB+CAYAAACXpI7eAACAl0lEQVR4nOzdd3xcV5338c+90/uojPqMum0V9xY7TkgghCUQEnZDYIGt9PYsbKFtgYVdysID7D6UJcDDs5AAKQsJCZAQllTbiR13FdvqvWv6jKbd8/wxsmy5SrYljZPzfr3AsWbuvUdz9ZXP/d1zz1EAgSRJkiRJkiRJV4UQgtEkdMYgnIG07G1LkiRJknQRegUcOqi3QrEx+zUFWbCTJEmSJEmSpKtmNCHYF1rpVkiSJEmSdC3a7oQiI+hXuiGSJEmSJEmS9HL... | 2 |
math | grade-3 | select-fractions-equivalent-to-whole-numbers-using-models | false | true | Count the equal parts. What fraction does this picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAdH0lEQVR4nO3dSYxt233X8e9euzldnVNVt+rW7V/jZ8fGdgwmsnAsY0RisGwCEkjOgAGEIBwJpIyCzIgxQgQkGCIhEANmiUHACBgExROILSty7PjZfvfdd7vqq06/u7UY7KrT1N6nunvq+iX8PtKTb9XZ3an/YP29/mv/l+ecc4iIiIiIyFKYn/UDiIiIiIj8aaIEW0RERERkiZRgi4iIiIgskRJsEREREZElUoItIiIiIrJESrBFRERERJZICbaIiIiIyBIpwRYRERE... | [
"9/9",
"9/3",
"3/9",
"3/3"
] | null | 1 |
math | grade-6 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 8 numbers: How would the mean change if the number 28 replaced the number 92 in the set? | "iVBORw0KGgoAAAANSUhEUgAAAT0AAAAkCAYAAAD7Ne16AAAJzUlEQVR4nO3deVSVdR7H8fe9FxC4yHIBEVE2kRDFbURlUbG0OpFOWZ2WmcrRHKeyzGqWmtM5rTZ/dOpkHa2pMy1jm7vJmFuaC4u4AQpeBRERBYRkE7hwl2f+QG9dQXmQ5+Eyc3+vc/zn9zz3Pl8/98eXZ7sPGkmSJACzzUazxYpNkpAQBEH436cBtBoNejcd7lptx5gkSVKLxUqr1erc6gRBEFTkpdPh7aZDa7ZJouEJgvB/r9VqxWyT0LZaLc6uRRAEoU+0Wi1oLTZ... | [
"increase",
"decrease",
"no change"
] | null | 1 |
math | kindergarten | one-more-with-pictures-up-to-10 | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAA1YAAAB+CAYAAAAnS4CtAABvGUlEQVR4nO3dd3Qc1d3/8ffMrqTtRb335i73BtgUA8aU0AOBlF9CypOQAglJHkoK6SEFUp4UCCSB0A2Y0IwBG/duS7Z6713bV9tmfn+sLFlIMhB3cl/n5Dja3Zm9O1fifL5779wrASqCIAiCIAiCIJwQqqrSHYR6H7gjEBZp+yNHK4FZA0UGSImNPiYhCitBEARBEARBOGG6Ayq7XKe7FcKpstgCybGgPd0NEQRBEARBEISPkjpf9N+0WCgxRkc2hI8WdwRqvNA... | 2 |
math | grade-6 | which-model-represents-the-ratio | true | false | Which model represents the ratio 3:9? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAABRCAYAAACUlc3lAAAMcUlEQVR4nO3da4xU5R3H8d/szN5h0Z2FhV2NoLDcKrJGULS1UQzVFrymtYl9oSa1qPHSxsY3tmmTpom1XqpVa22sNdF4aVHRGKqi1RIxoHIRgeUiorL3WWDvu8zs6YvNCgrL7px5zvOcPf1+3sCGc57zf/j9z/AfZncm5nme19gv7eqWOjJS2hMAAABgRCImjY9LM0qkygIp1tjneevaXZcFAACAqDu7TErs7B78YkqBNLN0cDIFAAAATOjISHVdUkO/tKNbymt... | 0 |
math | kindergarten | times-of-everyday-events | true | false |
Beth is warming up for a soccer game on Saturday morning. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHQAAABzCAYAAABJnyafAAANzElEQVR4nO2deXBTxx3Hv5KtW0iWsSwZLHyCjYGYI+YwCYebkBByzBin04GSTgjTkIZkCiEJ05JyhGmTDjBNkwwkKW1JCKEh0CGhAXIAqQkhUDAG2xiDT3zIlmzL1mkdfv3D+MmKdb2nJ1uW32fG49237/fblb7affv27dvlEARBaO3AbQtgdAFOAiwjiFgOMCYGmCgGVHyAo+0hiIvdw10sFiaYIwNib1n6Ikl8IEvSpzbLyMHoAm6agRY7UGUBuN3OvgRWzJH... | 1 |
science | grade-3 | compare-temperatures-on-thermometers | true | false | Select the thermometer that shows the higher temperature. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAQIAAAECCAYAAAAVT9lQAABxqUlEQVR4nO2de1xb9f3/XyfJyeUEciGEFggF2gIt0AK1thYv1bbei5vT1X130ercd9rtu4u67ftzOp11OjfrNve1uotaN91s1V2kTq2lalUobS3QApWLBZpAWyAkAXJyObn8/gg55CQBckIgoeT5ePiwOeScHMg5r/P+vK+E1+v1nnUCnTQw4gZcXiRJkuQ8R0QAqUKggAIWiAHirMPrPTwc79NKkiRJvFirAEQdtO9FphgokvtUIkmSJOc3I26gzQqccQLtNCA... | 0 |
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