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-8 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABtCAYAAACbSxbqAAAQ20lEQVR4nO3de2xc5ZnH8d+ZGc/Y47HHsT22iRO7RJR0G5agQFmgwLJq1W0rgYQqsVIrtdvuttAliAWypCTQarWBkCoCoRaVi4REtUJLJVoJJFBX7Iq2LPdLUxG0KQQWO3Zij+9zv513/3Ay5wwtkMQzc+by/fx1fJQ/nsgznt955n3e1zLGGAEAAACoCp/XBQAAAACthIANAAAAVBEBGwAAAKgiAjYAAABQRQRs4ITf/MbrCgAAQAsgYAMnXH21ZFnSbbd5XQkAAGh... | [
"no",
"yes"
] | null | 1 |
math | kindergarten | identify-pictures-with-symmetry | true | false |
Which picture has symmetry? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAXgElEQVR4nO3deZAc1X0H8G8fc+3Ozt6H9tLqFpIWSUhCSCwgCTABizIkcTBxykfiA5ddtssOKacSFy47VbFJ7DLllDF2bBxiTEjZ8YFxOIzAoAspXLrQfe5Ku9prdmbn6unulz+GlbTa6Z7e2Z15M/1+nyoKdnokfmrNd17363dIjDHWrwHH40DUAHQGQkiBqBJQpQCLKoBmLyD1pxjbE+FdFiHiWR8C1GPxzA9zvMCSykw6CSGFETWAIzHgggYcjQNyRM8coPA... | 1 |
math | algebra-1 | interpret-a-scatter-plot | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAnM0lEQVR4nO3dfXDU5b338U8CQZJsQiouZrNi8U7SpNDe5mGTYpiJUs6AFGKrHcdO22FEpcYnLD1zKjg9Dqeixo4ejzydYG+fEFvtyaHjkSqMRUMUgZBN0rtFNndSDWggD1gWdgkPCez9B7I1JJsScmV/vyzv11/sdS35fq9hmHxy5drrFxcKhUICAAAAYES81Q0AAAAAsYSADQAAABhEwAYAAAAMImADAAAABhGwAQAAAIMI2AAAAIBBBGwAAADAIFsF7BMnTujEiRN... | [
"negative trend",
"positive trend",
"no trend"
] | null | 2 |
math | grade-1 | compare-clocks | false | true | The clocks show three things Anna did Saturday morning: Which did Anna do latest? | "iVBORw0KGgoAAAANSUhEUgAAArIAAACZCAYAAADTjdlcAAAt/0lEQVR4nO3deVgT5/428DvshB1BQFFAxSKi4r5iLeLeilbsz6pdtFo9v6qnWq12sWo3a4/anvdtj1atx9pqe95WW3tqqcetKC7V1g1R64bigiAKyL4+7x8cBmISSMIkYeD+XJeXkyczmSchd+Y7k8kzKiGEADVIs35Zgq+T/y3b45VlFkAUl8vyWN1adsIvs7fCycFJlscjUgrmkqjhYS6bLhtrd4B0S31wW9ZQyu3ErSTsSv7V2t0gsijmkqjhYS6bNhayDVRqzm1... | [
"watched TV",
"packed a lunch",
"ate breakfast"
] | null | 0 |
math | calculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the right at x=8? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB/BklEQVR4nO3deXxU93kv/s+s0mgXkpCEhARiEQgkdrAAGTB4iYndgO3gpFkcb7GzNblt783tTXPbXNdNb5P2F9dOc9O63uLYhhjbMVgQbDDIEkggg0BiEwK0AFpG66xnmXN+fwwjI7NIgvPVaKTP+/XyC2tmzqNH58x855lnvud7TLqu6yAiIiIiIkOYw50AEREREdFYwgKbiIiIiMhALLCJiIiIiAzEApuIBti9ezemTJmC9evXAwDuu+8+vPPOO9d8rKIouO2223D... | [
"yes",
"no"
] | null | 0 |
math | grade-3 | read-a-calendar | false | true | What day of the week is November 7? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAF2CAYAAAAbcOzWAABd40lEQVR4nO3de1iUdf7/8SfDQQQF5OxZPJ/whOYBiVJLzazN3L6r266bWVnW1tpPc9m1w5a5aUdrN9vN1sxKM7dErUhtQcFDKoqKR0RDRFREUEBOzvz+IEYJ1EEZRm5ej+vyEua+Z+Y9b+6Zec3n/tz3OFksFguXOxgLKQlwLhMRERERqQFewdA+HDre5uhKpB5wqhDwD8RCzjHoMhycnOEX2V9EREREqsnJCSwXYW8MNGkBnW53dEVicKYKvx1OKAv3mBTuRURERGq... | [
"Monday",
"Tuesday"
] | null | 0 |
technology | grade | web | false | true | What meaning or function is usually associated with this web interface symbol? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAEsCAYAAACLwdvQAAAQwElEQVR4nO3dv24c19nA4VcfFhJAwNUaUMViwYBXkGadngGvwIXXvARHLlKlEASXKSzpEpjVNVBgn7DxFQghWLASoK0MLGBhA34FNdSSIinOv7NnZp6nsWTzz1iQfzp+Z86ZRxcXFxcBQDL/t+kLABga4QVITHgBEhNegMSEFyAx4QVITHgBEhNegMSEFyAx4QVITHgBEhNegMSEFyAx4QVITHgBEhNegMSEFyAx4QVITHgBEhNegMSEFyAx4QVITHgBEhNegMSEFyA... | [
"Mute/Sound off",
"Calendar/Event",
"Zoom out",
"Go to homepage"
] | null | 0 |
math | grade-1 | open-and-closed-shapes | false | true | Is this shape open or closed? | "iVBORw0KGgoAAAANSUhEUgAAAQkAAABkCAYAAACVdcVUAAAIA0lEQVR4nO3dP3ATVx4H8C83aYQwFPKMXVhbYCX2jDWxRapIVAxwtos4BwU4RSgygZlzQsGcnQJyx11wEZGkIWYGmGMGCmQKyDmFjTFzabyis+RENyPl7Ct2KeQZqZAjS6WvWJ5OGOkZ/zm/fTvfT2cspOdiv3rv/d7+dt/6+vo6iIia+J3qARCRuzEkiEiKIUFEUgwJIpJiSBCRFEOCiKQYEkQkxZAgIimGBBFJMSSISIohQURSDAkikmJIEJEUQ4KIpN5SPYCtSk3... | [
"open",
"closed"
] | null | 1 |
math | kindergarten | one-more-with-pictures-up-to-10 | true | true | Count the hearts in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABeCAYAAAAZpWPpAAAGDUlEQVR4nO3dvVdiRxjA4Rf1ohJstMJGmrgNNFJpI9V2/rVJk62kWdK4zVqxDamoTKOru/hBCg/nJK6exDjcC9znKf24M3Q/5sydqUwmk0kAAABJrBQ9AQAAWCYCGwAAEhLYAACQkMAGAICEBDYAACQksAEAICGBDQAACQlsAABISGADAEBCAhsAABIS2AAAkJDABgCAhAQ2AAAkJLABACAhgQ0AAAkJbAAASEhgAwBAQgIbAAASWqjAvri4L2zc8XhSyNgAACyWtaI... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6sAAAB2CAYAAAAuqgXpAAAKfElEQVR4nO3dPVMcVxYG4DOCGRCCdZXGtVsoEQkogUQELpRApIxImX/m2onlREqEylUokRKjDXDi8dYaBwYhMYBmg9ne1erDBjHd93b38yRTpY++d05PV/Xbp/t2JyJGAQAATMRoNIpfhhH/OI44PI84c7YNFzLdiViYiliei/hbL6ITwioAAEzMLyej+OH31LOAevvqLxHTqScBAABN8vJ4/LnYi7hzY9wpAv7c4XnEj68iBsOIveOIa6knBAAATfL72fhTUIX... | 0 |
math | grade-3 | choose-the-appropriate-measuring-tool | true | false | Which tool would help you use the right amount of oil in a stir fry? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACnCAYAAADzJ6XqAAAfcklEQVR4nO2de1gU193HvzMLKLsgyFVEEBQxIkaMYryFy6uNudTGtDZo0kZNnr6tmjY12r5tarw1SZNUU2saTZPGENPXS1595c3FJIoKxGBkia4RUBDMKuAFBAHZXW4z5/1js+vO7s7sLOzMLjif58kTZ86ZM2dmv5xz5pzf+f0oQgi51gVUG4FbDNBDoKDgNn4UEKwCxqiB6ACAutZJSEmbt6ulMJC4dwjgd8FoPogJAMZqzKpTUHCXWwxQaQCudgFVRoBu6zE... | 3 |
math | grade-8 | perimeter-and-area-changes-in-scale | false | true | Look at this square: If the side lengths are doubled, then which of the following statements about its perimeter will be true? | "iVBORw0KGgoAAAANSUhEUgAAABgAAAAOCAYAAAA1+Nx+AAABHklEQVR4nNWUMYqDQBiFn8EihYUQiymTSvQAprCSILlDsIlX8AApTSV2EsgdvIRFUqUNKSwl1TRpxMK3zUaIsiwLWuyDKd788D7+f35GIUlMqNmU4QAwez6fUBRlcJbL5SgAVQiB/pTO5zOKohgFAPZU1zVXqxUfj0e/1GmxWDCKIlqWRV3XGYYh8zyn4zjUNI2bzYZSSpLkAJAkCYMg+DH8DdjtdizLkmVZ0jAMrtdrXq9XSinpui6Px+MQ8Hq9KITg/X7/FXC73Tq... | [
"The ratio of the new perimeter to the old perimeter will be 2:1.",
"The ratio of the new perimeter to the old perimeter will be 4:1.",
"The ratio of the new perimeter to the old perimeter will be 1:2.",
"The ratio of the new perimeter to the old perimeter will be 3:1."
] | null | 0 |
math | kindergarten | compare-size-weight-and-capacity | true | false | Which ice cream cone is taller? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAEcAAAC1CAYAAAAN6uINAAATBElEQVR4nO2de3BT153HP3pbliXLBiFsA35Q2zHEvBYIdaYmgUDJDmziCd1kZ9O0pNmSzrTdzU52uo8+Qv/oTpvtTrOdzrRNd5pM2dnS0A0JtAlNnfAIxEsSMBhwbOMH+Cnb2LKkK0u6euwfiq4sbAlbT7q5nxkP916dc+7Rl/P6fc+1ryIUCoVGfHDNDc4A+EN8YlErwKiC6nywakEx4g2FzjlyXa07j3tMoO5yh09KtFBrCCv3ScUZgA4Bhn3Q6Qalwx/+4JM... | 1 |
math | pre-k | count-pictures-up-to-10 | false | true | How many lollipops are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE0CAYAAABZ4EexAAB2JElEQVR4nOzdd3hcd52w/ft3zvQZjXpvtuQm926n996AFBKSJaHsUjcLZBdYeFlgWVgWQu8BQgiEAMkSSA9pjh07rnFv6r1LI42mambO7/1jHOMkhOd5iE8sy9/PdYGNxhqdOb7x9T1daa01pyjLstCAtjTWMatBozGUAVqjlIEywFAKpdSJW1hxUpG2hF2kLWEXaUvYRdp66zlO9AK8lTKWhZXR7NrbTHNrD3v3tRCLJ4lGEzS39WAc6cmyQCkNSlFSnE9pST71Myo... | [
"9",
"6",
"7",
"8"
] | null | 2 |
math | grade-3 | compare-fractions-using-number-lines | false | true | Which fraction is greater? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB8CAYAAABTwcfUAAAWf0lEQVR4nO3df3BU9b3G8WfzEwIJIUBuCAaYtDc602JKICGotQOXklJa0yKoGSFCRxCclpqiop2B0auMg9J2WquiYwe8WKyYxlAmvUhB+SkkZGN14EaG8iMixhDIZEmWhOwu5/4RWBsJgrq73+w579dMJuzJ/vF85hzIs4fvOcdlWZYlG1m/fr1cLpdKSkpMRwGCzpw5o1dffVW33HKLxo0bZzoOEOR2u7V7927NmTNHaWlppuMAQfw+RzSLMR0g1E6cOKGPPvrIdAy... | [
"1/3",
"1/8"
] | null | 0 |
math | grade-5 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAhzElEQVR4nO3de4CUdaH/8c/Mzu7O7g4LgoDERQQFFFQ07ZiR5SVKKTtaaRz8kdzJ+4Wfpef3y6yOpplJXmKBhY1E0kpKE8jAitD0QAi5KisX5XaQq8teZmdnh2fOH8h8Z8YB9jKzz2Xer7/2wUUelvnjs8++53l88Xg8LgAAAABZ4bf7BAAAAAAvYWADAAAAWcTABgAAALKIgQ0AAABkEQMbAAAAyCIGNgAAAJBFDGwAAAAgixjY6BTP/XeLrnuyXq/UxOw+FQAAgJz... | [
"no",
"yes"
] | null | 0 |
science | grade-5 | match-chemical-formulas-to-ball-and-stick-models | false | true | Select the chemical formula for this molecule. | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAFMCAYAAACDNdSKAABqqElEQVR4nO39d5wkV3X3j39uhU6TZzbM7M7uzuacJSEJBZAAARJCCBASIphgCxsbg81j2QQRxEM08DOysS342eaxRZQAgWQJgyWUWEm7qw0a7Wpznp3dnRw6VdW93z9u3erqnu6ZzhN03vvq7TDVt253V33q3HPOPZcJIQQIgiCIqqFNdgcIgiBeaZDwEgRBVBkSXoIgiCpDwksQBFFlSHgJgiCqDAkvQRBElSHhJQiCqDIkvARBEFWGhJcgCKLKkPASBEFUGRJegiC... | [
"CI4",
"Cl2I4",
"CI",
"C"
] | null | 0 |
math | kindergarten | compare-sides-and-corners | true | false | Which shape has more sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAC4ElEQVR4nO3UO25VSRhG0f9eP1riGQHqsANgCIyC0TAOJsYMeEgdtlFnNljC+OoQHCERY9DBW2tFVarkC7ZqtyzLcnY18+Fy5uIwc70M3FrHu5n7RzNP78w8OZ3ZnX1ZljfnW8+CX+/Fg5nj95fr5e/Tmed31/rhtro4zLz9PPPf1cy7y5n9+fX6IG4K7h+tLc/MfDrM7A8/PEDB95a/LjP7bafA7yVw0gROmsBJEzhpAidN4KQJnDSBkyZw0gROmsBJEzhpAid... | 1 |
math | kindergarten | subtraction-sentences-up-to-10-what-does-the-model-show | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAAAyCAYAAAB1V8bkAAAU9klEQVR4nO2deWwdx33HP7PnO8jHmyJFSrJk0bIOS5Rv2XGcpM3d2IjtHG0KxE0Dt01aJC2aoilQJGgDpG2QNmkKI0lzCE3tNKldO21s105Sn7FsyZYo+ZBk3RIliqJ4vMd37DUz/WNJShQPUYclUt4v8CAsd3fm93na787svN/MCq21JlGiRJe0jIsdQKJEid58JUZPlOgtoMToiRK9BZQYPdEF1Ru7913sECbobGKaaxzWBYwj0Vtc6+97kA0bN7Pu+qu5+xN3Xux... | [
"5 − 2 = 3",
"5 − 1 = 4",
"4 − 2 = 2",
"5 − 3 = 2"
] | null | 0 |
math | grade-4 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater perimeter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKwAAAB6CAYAAAAiVrjqAAAPvUlEQVR4nO3df1DU9b7H8ecuu0B7xdoJfxBMOid+TMA5YBwOcj14PYISKqLnYKRRneyQsIKggFctNcVjlqDhL0RDs8QfafnbmeQ2Tjg1s6dpAmfCuKIpU0N3QJ1xOyBuy94/NrYlTBfY5cv3u5/HP7J8P9/dN+OLr+t3P5/3R2W1Wq0/3IWmdjBZ4CcrgjBkaFTg5wUhOhjlDaofOq3Wf92WuixBeLC44aC53G57EOANYf9hS7MgDBUmCzT+G1ruwv+2g/r2T7Y... | 0 |
science | grade-4 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAYJ0lEQVR4nO3daXAk533f8W/3nD0XZnAuzj3IXS4vaSlSDClzdVOiSjRpy6EYuaxyWZWUXZVKJZVDL0wllUoUu5yUU3ZSFccVO5JPSaYpi5IlijQlrUlRS3EpFdeixCx3sYtzACyAue/p7icvGmgsCCyO5QA9AP6fN+Q2ZgYP5un5dT//fqYfTSmlEEIIQPe6AUKI9iGBIIRwSSAIIVwSCEIIlwSCEMIlgSCEcEkgCCFcEghCCJcEghDCJYEghHBJIAghXBIIQgiXBII... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAl3ElEQVR4nO3dfZAjZ50f8G93Sy213kaa0by/7Ox6d71ev78ceI3Ni7HBHNjmIODzJVQKKqmDuiJJJRxXOXNJKoG7uqQudVyq7nJVR+BeeIsxYC/Y2NhgbIzXXkNssDHr3Z2d95cdjd7f1d1P/miNZmfnZbVrTXdL8/1UUYs1kuYZPa2fvt3960cSAAEiIgBCCCxWgVNFIGcAOqsDEbWIRwLCCnAgAPSrgAQGECKqW6wIvJh1ehRE1OneGgE8Tg+CiNzjZNH6d1A... | 0 |
math | kindergarten | select-two-dimensional-shapes | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJgAAACaCAYAAABVCoEqAAACfElEQVR4nO3UTW4UVxiG0a/abg8IJLP8LMBhCeyERbIUdgDOPM7UBkvYbhWDEhJj7EcdWueMqnSlq3fw6C7ruq7X9zP/3M3cHmYe14Efdr7MvDqbuXwx88fFzHL9ZV3f3xx7Fqfoza8z51d3289fFzOvf9nqgx91e5j58Hnm3/uZj3czu5vH7UBcPIdXZ1tLMzOfDjO7w3cH8By+tfSwzuyOO4VTJzBSAiMlMFICIyUwUgIjJTBSAiMlMFICIyUwUgIjJTBSAiM... | 2 |
math | grade-5 | angles-of-90-180-270-and-360-degrees | false | true | What is the measurement of this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAALU0lEQVR4nO3df0zU9wHG8ecIUOjwF5UZZinLItRNZ7owLNK5zOkSGmnTltWersKKoiCi1GnibFxn7ZyZqMiPioKo1FRq59pUOukKJSsbxTIWwiCrQLJRrITQAsLNowfjuz+sTPxZFe7L3b1f/8F9CQ//PXz48JzFMAxDAAAAAEaFl9kBAAAAAHdCwR5n6k6Xqe50mdkxAAAAcIe8zQ6AS6X6g2Ovq7m6Rg57v3acKTc7EgAAAO4QBdskdafLVPduuepKy2Tv7Rv+/Pc... | [
"360°",
"180°",
"90°",
"270°"
] | null | 1 |
math | grade-2 | read-a-thermometer | false | true | What is the temperature? | "iVBORw0KGgoAAAANSUhEUgAAALkAAAEOCAYAAADVFbYlAAAP0klEQVR4nO3d33Hiyp8F8MPWvt+eDWDdbAIWvwSQIkBEgIgAOwJBBDIRCJ5238AJrETV7utFk8AiIkAR/HofsDTIxp4B8/fb51PlsscztvveOrQbqQ/dMMYYEAn2L9ceANG5MeQkHkNO4jHkJB5DTuIx5CQeQ07iMeQk3r+e6xtnWYb5fI7FYoEsy1AUxYd/o7WG4zhot9vwfR9a63MNhyzWOOUdz6IoMJlMMB6Pkef5wV/vui56vR6CIDjVkIhOF/L5fI5+v1+bsbX... | [
"35°F",
"55°F",
"40°F",
"50°F"
] | null | 1 |
math | grade-3 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADACAYAAAA+yRTaAAAsSElEQVR4nO3da3STZb428OvJOW3SA+mRQqGICAha6FDOZWRXPLyOoL7K4OggymaUPTO+7CX7/bK/8cG1Xmczbk+MDtgKiOOAsxkdGREYlEMpIFCnFLCCpS09JG1omjw5J8/zfigkLdAKNGkOvX4fWOvOE9p/23T1up/c9/0XZFmWQUREREREEaGIdQFERERERMmEAZuIiIiIKIIYsImIiIiIIogBm4iIiIgoghiwiYiIiIgiiAGbiIiIiCiCGLCJiIiIiCJIFesC6NZ... | [
"no",
"yes"
] | null | 1 |
math | kindergarten | count-sides | true | false | Which shape has 5 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHmUlEQVR4nO3dzWtUVxgG8GcmkzTxI9PaqBMGgxGMStGSlmqhrXTXP6CrboQuSv0r2kXpwo2rLloKLXRTELqwUqogNPQDi0WLYEpNrAQkmk5RJOMEEzPeLk4ippXozD3ve95z7vPbiIa593DP43nnvrlzppRlWTa3BFxdAJptYDkDUW6VErC5B9i9AdjeB5TmFrPs/HzoYVHKDg0ClekF95fhPmDPRpdCoryabeBKC7i5BEwtAOX5ZfcDhox82tzjMgUAd9tAuf3... | 0 |
math | kindergarten | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACJCAYAAADUvSEiAAACUUlEQVR4nO3Uy21UWRRA0VPljwTNZ0aLAIAQiIUUyAdSIBcy4DPHPbXBAuPS68ETEnOXdqFirdG9utLRGWzdzbIsy8XNzOfrmavdzO0ycGenm5mHJzPP7s/8ez6zufixLO8vD70Wx+zlo5nTT9fr5en5zIt/1grhrq52Mx++zXy5mfl4PbO9vF0fRMY+PTxZm5qZ+bqb2e5+e4B9+tXUz2Vme9hV+FsIjYTQSAiNhNBICI2E0EgIjYTQSAiNhNBICI2E0EgIjYT... | 1 |
math | grade-2 | am-or-pm | false | true | Ethan is baking a cake one evening. The clock shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAP9UlEQVR4nO3dUWxdd30H8N+1nbiNXdpSRsxGEcIXDYkKuw/TKuywh3WzH7YHmiIGSHEe2k4kaGqC5uwBmEj3QCKtvDR54aUOSjtVNGIgJF+ktgISYCoPttDUsfmmQtOETTZokuMkTmLfPaRxnOvGvufev317rz+fp3uV+z/nf+L78PXPv/M7hUqlUgkAACCJjmZvAAAA2omADQAACQnYAACQkIANAAAJCdgAAJCQgA0AAAl1NXsD9bpy5UqcOnUqzpw5E7/61a/ijTf... | [
"6:30 P.M.",
"6:30 A.M."
] | null | 0 |
math | kindergarten | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJAAAACKCAYAAABFC8NFAAADlUlEQVR4nO3bzVITQRSG4S8JYYGgOy0vQN264269B2+DO0DcG7cEUgUSx8VIiUpIQv+dc/p9V5mapNKLpyYz3Z3JMAzD4lb6upKWa+luENHGDibSyUx6dyS9OZQmi5thOLtsPSzy2OlL6eBiNR68PZQ+vBh1EW1quZbOr6Vvt9KXlTS9vBtPgId26WQ2WpGkq7U0XT84QbRL91Z+DNK07VDIewCipABESQGIkgIQJQUgSgpAlFQSoM+L9fY3UegSAf0EUecl/4S... | 0 |
math | grade-3 | interpret-line-graphs | false | true | Toby's favorite shoe store used customer management software to track the shoes he purchased each year. In which year did Toby purchase 10 pairs of shoes? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFsCAYAAAD2YM77AABtsklEQVR4nO3deXjU5bn/8ffMZGaybyQhkLAjO4RdUDYRkMUNRdG6tpa26qna2p+1PW3tqa21Pa1Lq7RVa13rggqCgIoEAdkiEBIgASQQwk5CEpLJJJn190dOpkYCBJhklnxe19Wr5jvL975nHiZ3nnme+2vwer1eRERERETEL4yBDkBEREREJJxEBDoACQ0nT57ko48+YteuXZw6dQqDwUCHDh0YOnQo11xzDWazGYBXXnmFDRs2MHnyZObOnRvgqIPfyZMn+fnPfw7... | [
"2021",
"2017",
"2015",
"2014"
] | null | 3 |
math | grade-2 | select-figures-with-a-given-area | true | false | Which shape has an area of 7 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAAD+CAYAAABoWdrnAAAENElEQVR4nO3cvW4cVRiA4Wf8V4QEmohACwqRoMeXQJWKiooroeFOaOhokoZbwD1IxkCLo6SyE0sxXg3FyhIVhbH3oNn3aXZXW3xnpHl1um+a53k+veS3C85XXM2SxdubeLDL43s8OmA6fTvPR2ejj5WMc/gueycX6x8fHvDknXUlydKdrzh+w5+X/HrBztnV+o8iyDZ5sLt+5+H1ip3VP/5Itsn1O//XzM7YoyT/D4WQKIQEhZCgEBIUQoJCSFAICQohQSEkKIQ... | 1 |
math | pre-k | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACYCAYAAAAcN/AcAAAGu0lEQVR4nO3d3W9TZQDH8d9pu6507TreA2QJhDgzRIigzoghEvENjcQLLyTGC2+88L8w+gd5AwkN+G4AZa6bCBuvughMEDinL6xdT48XpaUMNnbac57nOc/z+1xJSNm5+OaY0/2e1vI8z7tZAy5VgKIL1D0Q9SxhAdk48Ewa2JgErJtVzzvjyL4s0tnYIJC4WGn+YVMSeHagWSFRr4ouMF0GbtSAmQoQc+rNv2BkFKRsvNkUAJRcIOZ2/AVRkFpNLXhATO6lkCk... | 2 |
math | grade-5 | regular-and-irregular-polygons | false | true | Is this shape a regular polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD6CAYAAACbKDARAAAlGUlEQVR4nO3d+ZNUdZrv8c/JPbMys3ZqQREXRFCQtVgVXBp7pO8QPeo4tIM64cT8T3dm+l6X7mbsHq/d90rPyDQqiizFJovQLrQKUlVQe+W+nXN/SEhgcKklM0+ezPcrwiCirCAfqiqjPvnN5/s8hmVZlgAAAACUhcvuAgAAAIB6QsAGAAAAyoiADQAAAJQRARsAAAAoIwI2AAAAUEYEbAAAAKCMCNgAAABAGRGwAQAAgDLy2F0Aps80pU9PJ9V/MK7xsbw6u7zq6fW... | [
"no",
"yes"
] | null | 1 |
math | grade-4 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADpCAYAAAAeakAkAAAi+0lEQVR4nO3deYyc9Z3n8c9T9dRd1d12u321L3xADCQGDIEAA4idXWVGu7PKbqRRNDujSCMlG8gkZEnYgIGYBYYMSzIwmzCbSFllw0QrpCRoMhLZ0SAI3hAIh7khxld3u9t9X3VXdVU9+4fteqq6qw+7q+qp4/36q55ylfsn1IU//fTn9/0ZlmVZAgAAAFAVLqcXAAAAALQSAjYAAABQRQRsAAAAoIoI2AAAAEAVEbABAACAKiJgAwAAAFVEwAYAAACqiICNhpV8I63... | [
"yes",
"no"
] | null | 1 |
math | grade-1 | addition-sentences-up-to-10-what-does-the-model-show | false | true | Which addition sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAQcElEQVR4nO3dXYwd513H8d8zL+d1z745fk2U2o7rvODYhtCLJCiQgiq1Siu1FHFVEAgqoUqoAQmERBGVUMUdiEpwgQSCRAJxAULhhqoXKKINFzhJ6ypx4yR1TbO2d2N7d885e/a8zDxcjHe9a3s3+zLzzOz4+5FWtk7Ozsw3llb/nTPzjLHWWgEAAABIhZf3AQAAAABlwoANAAAApIgBGwAAAEgRAzYAAACQIgZsAAAAIEUM2AAAAECKGLABAACAFDFgAwAAACliwAY... | [
"4+3=7",
"4+2=6"
] | null | 0 |
math | grade-6 | understanding-percents-strip-models | true | false | Which model shows 66
2
3
%? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUwAAABLCAYAAAAbHL5TAAACI0lEQVR4nO3XOW4UYRSF0VvtITBTgoxYALAEUqcE7IJlELIMVgEBqWN2wJBjhsgGSxi3foKSEWS3EbgbdE7SXaoq6f3Jp1fTGGMcnSVvT5OTZXI+AkCS7Sm5tpXc2Utu7SbT0dcxXh6veyyAzXb/erL95nS+uL2b3Lsy1xSA+av71Zfk3Vny+jRZHJ/PN8QS4FfXtuY2JsnnZbJY/nQDgF9dtPHbSBbrHQXg3yGYACXBBCgJJkBJMAFKgglQEkyA0vaqLxw+3v8... | 1 |
engineer | grade-6 | identify-independent-and-dependent-variables | false | true | Hint: An independent variable is a variable whose effect you are investigating. A dependent variable is a variable that you measure. Which of the following was a dependent variable in this experiment? The passage below describes an experiment. Read the passage and think about the variables that are described. Gavin des... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAFOCAYAAADtpiRUAADnp0lEQVR4nOz9eZxs11nfC3/X2mPNXT2fPvOkWZYlecCyhfEI2GYyBHKBCwbyQri87yX3hoSQAfgwBEiCwxTIh8QEYoxxTBJwgkeMkSzJg6xZ1nCOjs7cp+eqrmnPa71/rL2rq/v0GWTZSEL9O586XbWn2rX32s96xt8jfuInfkKzgx3sYAcvIbz3ve99Qb7XBvjFX/zFF+TLCwghXtDvf7lD66/tnHml41/p/n+tz+9KeKG//0p4vuf3fPdX/O2On1/6hRdOXskX7Jt... | [
"the type of metal sheet used in the circuit",
"the amount of light produced by the light bulb"
] | null | 1 |
math | grade-3 | am-or-pm | false | true | Mona is putting the dishes away after breakfast. The clock on the wall shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABWh0lEQVR4nO3deVzUdf4H8BfnAAozqIBoMgMeCBbgkXgkR2paZuB2bseCW7Ztvw7s2rZLzK3dTrHa3XatFbu31sTM8sgcMS2scNAEMYHBCxGQGVCY4fz9gYwMzPGde4DX8/HgEfP9fr7feYczj3nP5/v+vj8enZ2dnSAiIiIiIrvwdHUAREREREQDCRNsIiIiIiI7YoJNRERERGRHTLCJiIiIiOyICTYRERERkR15uzoAcr3Wlna0atvQom1Di7YdLdo2tGrb4OnlAV+... | [
"6:55 A.M.",
"6:55 P.M."
] | null | 0 |
math | grade-1 | names-and-values-of-common-coins | false | true | Which coin is this? | "iVBORw0KGgoAAAANSUhEUgAAAJAAAACQCAYAAADnRuK4AABP7klEQVR4nO29W1BUd9o3+svUiE239AfNdJcN4RA1NLGLw65IKe5GrQqCJjNkh2gOVCh8L0ZGxhprNBexhL0vwDIXSoq3HJx2LkaKfGZmzJAvzCQKYpUIO2q1qbeBgtCOEOgW2qJDNxvopm0v2BeL5+G/Ft2cPMTM9z5VljT0YfVav/Ucfs/phdnZWfy3/LesVn72Yx/Ajy2hUGA2FArM0s/f/L83Zul39v+6M2v/rzv8eHhoQPZc+vl/Z3nh310DKS/yHdsd9Pb24v3... | [
"nickel",
"quarter",
"penny",
"dime"
] | null | 3 |
math | grade-5 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABqCAYAAACGTiZSAAAN9ElEQVR4nO3d+3dU5dnG8WsnM5NkApMJIRxUiii1oqJYXLQqtbKEVaoUWk4aCKf19u+ScEogIAWKikIX1IJa3vKC4IFyEIgihpnJYSCTZE77/SGwN2OrIkxm75nn+/lpbhfL3MslK9eeueZ5LNu2bQEAAAAoiiqvFwAAAAAqCQEbAAAAKCICNgAAAFBEBGwAAACgiAjYAAAAQBERsAEAAIAiImADAAAARRTwegG/uHh+WIffT6qmxlI1/1VgoFQqrwmTarR4aYPXqwA... | [
"1 pair",
"2 pairs",
"no pairs"
] | null | 1 |
math | grade-3 | select-fractions-equivalent-to-whole-numbers-using-models | false | true | Count the equal parts. What fraction does this picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAYjklEQVR4nO3da3Bb5Z0G8Ee+SNbFsWzZcmz5ltRxSpw0hoLBdGjShqGhbJYwHWBmO52aZS+dli7ZKbSzs9Mh2dkvXRgKQ5uWaSlm2TJDKUvSZGm2JdQhbUxNFuSmMbVj4kskJ/gq2ZZk3az9oFj2sXSkc3Q/9vOb8Yx0ztHRq/l/eeb1/7yvKhQKhUBERERERGlRkOsBEBERERGtJwzYRERERERpxIBNRERERJRGDNhERERERGmkuIDtnnfi1//1LF7/0ZFcD4UkYL2... | [
"4/2",
"4/4",
"2/2",
"2/4"
] | null | 0 |
math | grade-3 | identify-unit-fractions-on-number-lines | false | true | What fraction does the number line show?
0
1 | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAoCAYAAADE3o01AAADRUlEQVR4nO3dMUscaRwG8P+KQkRIMIG4ikKwsAtCrrgy2sQiV2klWFx1YGmj2JjdwiJ1IPgFTCVWp6dpslfegcJ+AglBRgtB3CKQBOeqWxA8V+4G39nL71cNzFs8zR+eeedlprK5uZlXKpWYn58PoDzevXsXZhPKx2wCnfR++vQpdQbgGmYTyslsAp30pA4AAAD/Jwo2lEzjJIvp/Z2oDz2M+tDDmN7ficZJljoWAHBLCjaUSK15GNPvd6JxmsXnnkp87qlE4zSL6fc... | [
"1/4",
"1/2",
"1/3",
"1/8"
] | null | 1 |
math | grade-8 | base-plans | true | true | What does this object's base plan look like? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADyCAYAAAB3e7J8AABBuklEQVR4nO3dcVTU953v/yeSHboigq4eSeBkFIwJnrIMm3sOuTdGoAk3ZNMVIp5NwyYBvDX1p7uFoUm86d6IxO32mlqB5MqN0ZSZtBvWXjSYNNl4ScJITK/0NGEIWbBRyGBFZ48enQBaMFB+f8B8i0oi6MDMwOvxV8Bhvm/CP28+vD7vd8jQ0NAQIiIiIiLiE7P8XYCIiIiIyHSiBltERERExIfUYIuIiIiI+JAabBERERERH1KDPQ05nU7S09NZsmQJdrvd3+WIiIi... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1AAAADyCAYAAABDJyRJAABML0lEQVR4nO3dcVjUdb73/yfiQisi6NGfFFwNgtrCHcuwnd+Pzp0JVNzaqRUTrm1lM8Czul16fgvDbttd5ySiZ88eWxOoZDMtmGrleG5Uyq1bjyUDUbfsXTlEK5aCg4FOP7x1QjQwiN8fMLOmlqgDMwOvx3V1FTh8v++Rf+bV+/19f/z6+/v7ERERERERt/Dz8/N0CTKMxnm6ABEREREREV+hACUiIiIiIjJEClAiIiIiIiJDpAAlIiIiIiIyRApQo5DVaiUlJYU... | 0 |
math | grade-4 | compare-fractions-with-like-numerators-or-denominators-using-models | false | true | Which fraction is greater? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAApu0lEQVR4nO3df3BU9d0v8HcQaSAZdxHvk+AtbEi03PGR3aVX6E2kZPNIoo8UksBFsAbYqPgArQ8JPwR67cNm9BEtpGz6A/CR0Q2gLXIlCWi1yX2GDaXRW8e6GzrTURPZ4B1IOq2cdAJBQHP/COd4EpKwuznnfM/Zfb9mGDC72fMh+5nxzXe/5/tJ6evr6wMREREREWlijOgCiIiIiIgSCQM2EREREZGGGLCJiIiIiDTEgE1EREREpCEG7Gu++OILbNmyBS6XC7fccgv... | [
"2/5",
"4/5"
] | null | 1 |
science | grade-4 | identify-vertebrates-and-invertebrates | true | false | Select the invertebrate. Hint: Insects, spiders, and worms are invertebrates. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAD60UlEQVR4nOz9a6xtWXbfh/3GmHOutfbe55z7qndVd5W6m91k8yUSpClKIvSw4gci2VA+JEEeVgDbieHEBoIAcQAD9ocgcII4iJFYsIQgshNDBsVYkWVZUiSSkmiKpNik1GJ3s7vZ7+qqrup63Nc5Z++91ppzjpEPc+19zr11S2rlfnEALuDgnrvP3muvNdeY4/Ef/zGG/MZD909t4DTwu8fvHv+NPC4q/M4W3p7hVoQ/eLO9rr8ruL97/Df9OA3wqU37/bJeva6... | 3 |
math | grade-3 | fractions-of-a-group-unit-fractions | false | true | What fraction of the shapes are circles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAJ0UlEQVR4nO3dz28bdR7G8cceTzJ2Ejth06ZNQ4pEIqhEkuVCT6RcEKISvSC4kOVEeqv4A7acgBu37mnbE20uC6euVITYAwmn7IkEUIsctKSkSUuzjfPLdjI/vAfXyUIT4h/jmdh5v6RKlaPxPB+fHn31ne9ECoVCQQAAAAB8EQ07AAAAANBMKNgAAACAjyjYAAAAgI9iYQcoceemJEmF3KokKRJPSZKMgdHQMgEAAACVCrxgewszcr77p5z0lNx730q5tfIujCdlnPq... | [
"1/2",
"1/3",
"1/4",
"1/8"
] | null | 0 |
math | grade-6 | which-figure-is-being-described | true | false | Rob made a 3-dimensional figure out of clay. The figure had 6 vertices. Which figure could Rob have made? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHgAAABSCAYAAACfUxCCAAARR0lEQVR4nO2ce3SV1ZnGf/vyXU5OboCEi0BCAEHRXICAtAWhXpaAgBFtZzF1RMACUgsKUrwu6lhnHC06a7TWzthioeKSMESpi2IpgmBBaYVWtAt1UUDuSWoAk5Db2fPH/s5Jgk6XJiHxnJ5n5ctZ5/vOyffuPOd99vO+eyfCGGOO18FH1XCmERoMScQxtIA0BYNSoIcL4nitMW+f7uywkjgfGJUO+sNq+6SXC4PDlv0k4hdnGmFfFRyrgw+qQZ5usBeS5CYG0pT... | 2 |
math | kindergarten | represent-numbers-up-to-10 | true | false | Which group has 7 stars? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAO2ElEQVR4nO3dT0icd7vG8ct0WjKv42uo5UirJQtxBiooqPR1WbsNZhU3FtyaZYS4MRBo6E6o25a4CrQg7gx0WbNreEmhFloYc1x1YivNlKQz6ZieCXMWZsTY0YzjM/fz5/5+Nokx/nwucC5/NzPzezpqtVrtt7+l//1LKr2QqjUBQCBSHVLXG9Lgv6Tet6SO357Xav/9M+zLApB0//m3lHr41/4H774l5Tr32wgAglB6IeWfSb/+LW39JZ37s7r/CcoGQNC63tj... | 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 shapes. | "iVBORw0KGgoAAAANSUhEUgAAArYAAACtCAYAAABFjTydAAA0PUlEQVR4nO3dd3xUVd4G8Gf6TDKZ9EpoIREERKQjKIqUBQREQFBRF3sB2xYbuvi61vVV1vUVXRGlqLhgowoKiwhIiwIKBoh0UkiblEkmU98/IhGlZCa59547M8/38+GjhJlzfgOZJ785995zNX6/3w8iIiIiohCnFV0AEREREZEU2NhSo507d0Kj0fzml9FoRKdOnfDoo4+ipqYmqPEmTJiAIUOGNKuWH374AZ06dUJcXFyznk9EpFZqydq9e/dizJgxSE5ORnJyMq6... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is greater in Pair 2."
] | null | 1 |
math | grade-3 | coordinate-planes-as-maps | false | true | What is at (4, 6)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAETCAYAAAAMFHHvAABVNElEQVR4nO3deZxU1Z3//9fdqqqr9w1kERUUQURAFBSF4DIkGrcZNWo0MRk1GneTOMmMmSWTfH8aEzNqYhbjxDGJmhiNW0yiiRhAoyS0uKKAAs3S0EAv1V173XvP74+GwrYbpaGhaXw/H4962NVV95zPLdqud50+9xzLGGMQ2cOyuTztHemdOrZQ8GluaeOdNU2s3tAMgI3N6P33Y+IhoymLl2BZVq/Heq5NbXXFTtctIiIi8mHcgS5APqIM+H7Q58PSmSyvv7OShW+... | [
"toy store",
"flower shop",
"pet store",
"hardware store"
] | null | 3 |
engineer | grade-7 | identify-the-experimental-question | false | true | Identify the question that Keith's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Keith put one two-inch steel nail into each of six test tubes. He added water to three of the test tubes and vinegar to the other three. In each test tube, h... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz9V5BleX7fiX2Ot9ffvOmzsnx1VbU3M9MzGAuMAQbAwNOA2OVyuaIJhcTdkEKKfZBC2hcFtdx9UCiCoYBCa4JYkCA4BAliMAZje3raVndXV1eXy6qs9Hn9Pff48///9XAbFPWiR/Yqgv+nfEhz781zvudnvkb7+3//7yv+w/kP5z+c/3D+/+j8o3/0jz6Wv2sC/J3neghZ8s6NNxGqYDQacXh6woc7R5QKhjOYzODXf/kT/NavfQNP11BJjMgS9PkJYb7... | [
"Do steel nails take fewer days to rust in water compared to vinegar?",
"Do steel nails rust in fewer days when submerged in a large volume of liquid compared to a small volume?"
] | null | 0 |
math | kindergarten | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGjklEQVR4nO2dS08bVxiGP3NbpCTdtYrUbS+brvNn+vtKUJDYmA1SNt7BLkpZpKlYFdtADMhOLMf1zOliSEvA2B77nO98l/eRsojMZYQejcfj9/XbCCGE7pjoryHRoCCaBAJgZTYaRE/XiX58QvT9FlGj+zmE437uwwKWefGMaOP9sPrP8y2in7+pLARgVQYF0btPRJ0x0Z9DorX+pHoAkoGYPF2vnCIi+lgQrRV3HgAgJl+c+icQreU9FOAFiAZYgGiABYgGWIB... | 1 |
math | grade-2 | correct-amount-of-change | false | true | You pay 26¢ to buy a yellow bead costing 2¢. You receive the following change: Is this the correct amount of change? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAB+CAYAAADY4DAjAABUmUlEQVR4nO3dd5Ck13nf++8b++3cPTnH3dmcEzYvAgkiUCBIihRBURQlu2Re2bIkJ7rsa9mwVSVdW1ZZtuva12YUTYogCJLIabFY7GJznNkwszt5J4fu6fz2G+8fA6xIE5RBChtxPlUooHZ3pvv3FGr7mfOe8xzJ930fQRAEQRCEu4R8q9+AIAiCIAjCB0k0N4IgCIIg3FVEcyMIgiAIwl1FNDeCIAiCINxV1JvxIrZZolAoUC6blAoFHKtMMTWN5fqoqkogliQUChO... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | one-more-and-one-less-with-pictures-up-to-10 | true | true | Count the rocket ships in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAe40lEQVR4nO3da3Bc5Z3n8e9zulut+93WxZZvkjEYbNnGNhgbE8xOqLDZMJNhslU7BUxNIJXZScLUZJmqmRAmA5M3u2QrmUDYmqJIgTNVmamEm5NJCPgmYhx8A1myMZZkWZJtSbbUut/V59kXrVurW5Zsy5Zb/ftUYqQ+p4+e7tMvfufp//k/xlprERERERGRWeHM9QBEREREROYTBWwRERERkVmkgC0iIiIiMosUsEVEREREZpECtoiIiIjILFLAFhERERGZRQrYIiI... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAAA+8klEQVR4nO3deXzc1X3v/9f5jmZGu6zFlmRb8ibbYEDCYAPeWEwaGpJAEmjv/d1ektuQ9NfbJaRpcn+3bSAkpPfR2ya/LJDm92sJDZCb9raFgEmbkmBjGzAFbGPJC14k21psSbY02nfN99w/ZrTOV4tBtkaa97MNtuZ7ZnRmvvrI5/v5nvM5BrCIiIiIiMiMsNbS0A+V3dARhkGNtkVEJI4kGcjwwepUyA+AQYkhEREREZEZ09Bnebt9tnshIiIytZszIWm2OyE... | 2 |
math | grade-1 | times-of-everyday-events | true | false |
Gabby is warming up for a soccer game on Saturday morning. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAfq0lEQVR4nO2deXhT1533P5KuFluSZeNFNnuwDSmLsWmALGZLQkgbaJu3yUOSaRomIenMBIjp8DYwgfdNB9LQ6ZsB4jAzbSAl7dsEAlkmpECAEDBOgKTBNhAIXsA2iyQvYFmSJUtXuvPHtQWyzSJZXgB/nkeP5Kt77zm+X53td37ndxSSJElWL5Q3gcMPokQfNxGCAowqyIwFswYU1mZJ+qqxp7PVR3cwMQ6Esib5jzQNjNDLv4Y+bh4cfjjpAosXSptA2SjKX/S... | 0 |
math | pre-k | holds-more-or-less | true | false | Which cup holds more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANAAAADQCAYAAAB2pO90AAAgGUlEQVR4nO2d2ZNkWX3fP+fce3OvzNqrt9l7enpowAOIGYOQJYTAlkIKIuRQhP3oB/8RevB/YPnRy6P9hgPCRgpkFIgwmxExMDAwzD7D9EZv1V1dS+73nnP8cDOzbmblVnmzu+nK3yeioqpyPTfzfu/vnN92lHPO3WrDB3U4MBA5BEEYga9gyYPnC7CVAXWr5dyr+496WILw+PFKGfz36/E/pzPwQjFWlyAIwzkw8G4NbrbhvTro/Si+Q8QjCJNZ8mKtAFQNaJO... | 1 |
math | grade-5 | understanding-probability | false | true | If you select a marble without looking, which color are you more likely to pick? | "iVBORw0KGgoAAAANSUhEUgAAAOoAAACcCAYAAABx7zeSAABHmklEQVR4nO2deZgdVZ33P+fUvbfTS7rTHZrupBOCgSQkLJHVIBAWFVBwFJgBAjIoOgI+88444DOIguPMiMg4gzwzr+IGDDoKGHkhDsriAiZgQgJCIAayIUl3kg5J78vdqs55/zinttudpJfbnU643+cJ1VV3q1Ocb31/W52f0FprSiihhAkNeaBPoIQSStg/SkQtoYSDAIkDfQIAqn0bqvk1VOdOdOd2dOcOdLoTUd2AnDIdMaUJWduEPOJERGXdgT7dEkoYd4gD4qN... | [
"black",
"neither; black and orange are equally likely",
"orange"
] | null | 2 |
math | pre-k | more | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAXYAAABeCAYAAAA31j+KAAAFhklEQVR4nO3dO1MbVxjG8UfcxDhScOFJBrtwmgRXcWNHaUPhDihTmK+RdHZBurjJh4APAO4oSBsxTpHOilPEBTEZu8AsZhBBsykWzVig2+6+e9E7/1+DMZ73nGeZeRYhyacShmF4eC79dSoFHekiFABggsxUpPq09OUN6fM5qXLYDsP946K3BQCw0PhUmnl1Gn2yOCctfRK1PgBgcgQdqfVBenMu/XkqTR1fRF+g1AFgMtWnow6XpJOONNX56AsAgMnU7fD/Qmm... | 0 |
math | grade-1 | interpret-bar-graphs-ii | false | true | Andy went to a petting zoo and saw some ferrets, rabbits, pigs, and goats. He made a bar graph of the animals he saw: Did he see more pigs or rabbits? | "iVBORw0KGgoAAAANSUhEUgAAAkYAAAFfCAYAAACr7AOiAACg6UlEQVR4nOzdd5ycZb3//9fcbcrO7Mz27KZXSCEEAgQigYSmSBVUpHgEKQJKPcrh64EjnuNP7IJH5YgKsVAENUEQlJoEMEQSSIGE9GyyJdt3+t3n98csCysEsiHZ3SSf5+ORB1Puue/PdRNm3lzXdV93oFAoFBBCCCGEECiDXYAQQgghxFAhwUgIIYQQoocEIyGEEEKIHhKMhBBCCCF6SDASQgghhOghwUgIIYQQoocEIyGEEEKIHhKMhBBCCCF6SDASQgghhOghwUg... | [
" pigs",
" rabbits"
] | null | 0 |
math | grade-5 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADjCAYAAAC/8WNCAAAcM0lEQVR4nO3dT0xU+Zr/8c/5U1CTlFgkMiM3AaUTnUgi5NozLu5ESSbdd6duuntls7m6Uzdt72Slu75u1J32Bnt1rxtxd9tMAmZu8vP+xpvCRHObpClkQU8godBKuqg6f2ZxqOKPoBScqnPq1Pu10garHmgWH77n+T6P4fu+LwAAAAChMKMuAAAAAEgSAjYAAAAQIgI2AAAAECICNgAAABAiAjYAAAAQIgI2AAAAECICNgAAABAiAjYAAAAQIjvqAoB6+MWcnPm78t7... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | hexagons | true | false | Which shape is a hexagon? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAIyElEQVR4nO3cTWgc9xnH8d/8Z7XozWuvpZW8K4m2oo0oRYU6JDIlSYlMXWMS503IRpTk1FNPPbXQS6Dk0FMvvfRUHFzjiLw4JJjgOE7jujgVdSCIUuQEhVbyrt5XXr1mtfOfHkZD144jO9LMM2+/z83IyGvvl9m/5nnGhm3b9kwV+HwdWLGAmg2iPUsZwD4T+F4z0JkGjJkvbXusEvTLojgbyACpz9adX+TTQF+LUyHRXq1YwMQaUKoCN9cBVak5X2Bk5KV9ptM... | 0 |
math | pre-k | fewer-more-and-same | false | true | Are there fewer butterflies than tulips? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABaLklEQVR4nO3deXxU9b3/8dc5k3UymawkhISEfV8CuKCyL+6iVm3tIlSxi1a9rVrrbdVfr3pbW/dq7WI3wNvWpbbuVkEQqQKyy05CAknIvi+TZeZ8f38MDERAEQNk4vv5eHgbZs45c855P2bO537P93y/ljHGICIiIiIiXcI+1TsgIiIiItKTqMAWEREREelCKrBFRERERLqQCmwRERERkS6kAltEREREpAupwBYRERER6UIqsEVEREREupAKbBERERGRLqQCW0RERES... | [
"no",
"yes"
] | null | 0 |
math | grade-2 | which-shape-illustrates-the-fraction | true | false |
Look at the colored part of each shape. Which shape shows two-thirds? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAACcklEQVR4nO3csU5TYRiH8f9pgQHBOmkciVEniBuTV0Di7s49MDCbcA9eADuJV8DGqC6IiW7WUQpNQJrP4UjiKF+RY/s8v61pvvRLnvOm03uaUkoZXiafx8loklyVaI4sNMlqP3m6nDxaSprhRSlHp11fS3dh836ycDJuPzxeSp7fa58GzY/RJDk+T75dJp/GSe/0qv3C2PNptd+2TZKzSdKb/PGF5tN1258l6XV7Fd01g8MYHMbgMAaHMTiMwWEMDrNQc2jn7ft... | 2 |
math | grade-1 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAbiUlEQVR4nO3dfZBddX3H8c8592mfN00wmwQM0IQEK0jagrYliIw20tahCszUqVN1dPqk/tHWUv6oVCt0Ruh01FZsO9oqdErtTLGOEzGhYkASH4hUQwomZiMxJsvuJtmw7L2bvQ/nnP5xuWGT7MN9OA+/87vv10z+Sfac3+/7+51z8rlnf/ccJwiCQAAAAACs4CbdAQAAAADhIeADAAAAFiHgAwAAABYh4AMAAAAWIeADAAAAFiHgAwAAABYh4AMAAAAWIeADAAAAFiH... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAhPklEQVR4nO3da5Bc5X3n8d+5dPdMz00ZwYwksIDohtdglEQYZxFgykQma4fY4K112RXssnfjXeMX63WwUxV7TQyuWnCy2ImJa8txMGyFkKqQsC4ZAw4XgWQwgtggA5JHAiFLw8xIM9Iw3aPp7nPZF02LEXOfPvf+fqr8wmL6PP//85zT3b8+p08bvu/7AgAAAJAJhmHEXUIimXEXAAAAAABhI/gAAAAAyDyCDwAAAIDMI/gAAAAAyDyCDwAAAIDMI/gAAAAAyDy... | 1 |
science | grade-6 | identify-rocks-and-minerals | false | true | Graphite has the following properties:
not made by organisms
found in nature
made of a pure substance called carbon
fixed crystal structure
solid Is graphite a mineral? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACXJ0lEQVR4nOz955Nk+XUdiq7j0/usyvJdbacxPTMACEeAAElREkVKlHTfjRf3xvvHFIzQF32QQtIlFZdUEBQc4QkOMIMxjZk21a58VXpvjn0ffmftPNUz6BkKBAmQdRAd6Omqyso857fd2muvrUVRFOHyurwurw+99H/oN3B5XV6/ytelgVxel9cLrksDubwurxdclwZyeV1eL7guDeTyurxecF0ayOV1eb3gujSQy+vyesF1aSCX1+X1guvSQC6vy+sF16WBXF6X1wu... | [
"no",
"yes"
] | null | 1 |
math | grade-8 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABzCAYAAACil3UBAAASd0lEQVR4nO3deXTU5b3H8c9MFkJIMNCwiYlWiBJZCi4EJKJXaPFSQKVoEjFAhYNcMQIqLeZewaW195Zd0IpNC5iyU4hd0qKUkyBQEAuIQZAACjSsEQKEJWQyc//Q8ySxlSXM5Jnl/frr+T5nYD5/wDmfJPPNz+HxeDwCAAAA4BVO2wEAAACAYELBBgAAALyIgg0AAAB4EQUbAAAA8CIKNnyvsNB2AgAAgHpDwYZvzZ8v9e0rde5M0QYAACGBgg3fuu8+qUED6eOPpQc... | [
"yes",
"no"
] | null | 0 |
math | pre-k | spheres | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAX10lEQVR4nO2dTWwb153Af2+GFCnqw5Iox7Ys+aOOFDSA7SIF1g4WjRsD6cGB00PcW5JTgyzQ3QRtekrby6a7uTRoku4C26Z7WDunTX1YB/Ypa8cusHZ7SCMVSDaSF7Yj2bIjUaIsiRTFmff28DgjUqJl8fvr/S4Uh+TME+fH//zfx7wnlFLq7ipcT8CiC47CYKg7AgK6bBiOwI42EHdTSv35fq2LZTBsnSPdEJhI6Ce72uCxDm21wVBvLLrw5TJMr8J4Aqz7jn7... | 0 |
science | grade-7 | use-data-to-describe-climates | false | true | Which statement best describes the climate of Atlanta? Hint: Summers in the Northern Hemisphere occur in June, July, and August. Winters in the Northern Hemisphere occur in December, January, and February. Atlanta, Georgia, is a city in the United States. It has a humid subtropical climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAEAAElEQVR4nOzdd3yV5f3/8deZ2ZMsIAMSZgiEsMIOsqRFUBCq1kWrVq20fPtV29rapdZfl7ZVaPtt60JtnUEEQRGVsEOADAIJJJBFIHuvM6/fHyFHAkFATnIO8Hk+HrTmPvc555Nz3znnfa77GhqllEIIIYQQQgjhFFpXFyCEEEIIIcS1RAK2G0lLS0Oj0aDRaBg3bpyryxHXoVdffRWNRsPYsWOd9phf97zujVr6Uk1NDU888QQJCQn4+vri7+/P6NGj+eUvf0ltba2... | [
"Summers and winters have about the same amount of precipitation but summers are hotter.",
"Winters have more precipitation and higher temperatures than summers on average.",
"Summers are wetter and temperatures stay about the same throughout the year."
] | null | 0 |
technology | grade | logo | false | true | This is (part of) a (former) logo of which computer related brand? | "iVBORw0KGgoAAAANSUhEUgAAAM8AAAEsCAYAAABkJufHAAA0NUlEQVR4nO3deXgb1b038K9GGm22ZFu2Je/7bidOnNXZE5KQhKwkbAmFUJYWKC0Xut2tvff23l7aW9relm4QSgMkQMheCEtWh2xO4niNt9ixHe+bbMvWLs28fxj3zaUBa7R4NNL5PI8f+COa+dnSV+fMmTPniMqu1IIgCO4ovgsgCKEi4SEIN5HwEISbSHgIwk0kPAThJhIegnATCQ9BuImEhyDcJOG7gGDmdDpYu90Op9MJp9MJFixYhoWTcQIsCwlNQwQRxBIxKEo... | [
"Dreamcast",
"Intel",
"Cisco",
"Logitech"
] | null | 3 |
math | grade-8 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{MO} and \line{PR} are parallel lines. Which angles are supplementary angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAgI0lEQVR4nO3dfVTUZf7/8dcgIBoGZYp3KEZHzVJQcE3CAAsytSOY1bZriu5aWW5pW211Stlqu1ltpVylE6ZYbLvWFrOdtBbLQFjsbA6Cmq2WiGId0bTRyFCU+f3hl/lFzOANn7l/Ps7xnJxr5POe9+mPl5fX9R6TzWazKQBZrVZJUmRkpEfr8FX0DwAAwLEgTxfgKQUFBSooKPB0GT6L/gEAADhmCtQd7JiYGJlMJu3Zs8fTpfgk+gcAAOBYQO5gm81m7d27V7W1tTK... | [
"\\angle{RQN} and \\angle{PQS}",
"\\angle{RQN} and \\angle{ONL}",
"\\angle{RQN} and \\angle{RQS}",
"\\angle{RQN} and \\angle{MNQ}"
] | null | 2 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-5-dollars | false | true |
A storage bin costs $1.54. Do you have enough money to buy it?
| "iVBORw0KGgoAAAANSUhEUgAAAvgAAAFxCAYAAAAGddxuAAEAAElEQVR4nOy9eXwkR333/14f0OMDVxsbpjnsLQ7jFoc9gwFrAJsdQoAxITwSVyQT8MocifYXCBKJycrwEHYhgBQCsR4HYhlwvOKUOGwPmGPWgXgUwMxsEtg2JrgWAvRwVtmJPe2zf39Ud8+MVtoDG7wx/Xm9pJnprq67uz/1re+xIY7jmBw5cuTIkSNHjhw5ctwvcNh9XYEcOXLkyJEjR44cOXLce8gJfo4cOXLkyJEjR44c9yPc6wTf3BEjr76ZUuO/MXfk2j85cuT... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 8 − 3 = 5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAagAAABKCAYAAADuScD9AAAUcUlEQVR4nO2daWwc133Af7O7syevXZIST1GiRMoSJeqwLJmKI0XOYdeJj8SqE8FFyqBB0jZfAjRoi37okQQNAiQoin5oU9QxW0R16tqo4ysOnKRJfKwtWRQl6zB1UBJ18BApHnuf0w9Dcne5w0PcXXHF/n/Agpx9896+3wL7/8+8efNG0TRNG4zChSD4EhDXEARBEIQ7jkWBUjO0OGG1FZTBiKYdmVzubgmCIAhCij1lYDkf1DdqrbDRpWcvQRAEQbjT+BLQG4C... | 0 |
math | grade-3 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEPCAYAAAB4ALMPAAAgyElEQVR4nO3dfXBUZaLn8V+fdIdO0kmaN8PLoICIUQwyqDPK6MwlhPd3kZlhV/dW6VLuli5UXfau5f1Hy/Kt1Cv3j3tr19rVnbqWs1GBICAwoMyow4wyM8ZRwMFRkOElJhjySt67e/+InO50EpLunO5z+vT3U0XV8zSnu58Af/z41XOe44lEIhEBAAAAsIRh9wIAAAAANyFgAwAAABYiYAMAAAAWImADAAAAFiJgAwAAABYiYAMAAAAWImADAAAAFnJ8wP7NwRb98hf... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | ordinal-numbers-up-to-fifth | false | true | The first picture is a bear. Which picture is fifth? first | "iVBORw0KGgoAAAANSUhEUgAAAaUAAABdCAYAAAAFZHluAAAia0lEQVR4nO2de1hTV9b/vwcOlYRIsFCkFRArFrQiYKtVgZY+VavVVntxtDqt1/lNRdvasYK2nQIztuK17YiX9/d67TtWq71aqdU6U/sqVq0VBBQcwzSA1ojoEAkJSpLz/nGSQwK5ncMJIcn+PI/P0+Tss/cOzTdrn7XXWptiGIYBgUAgEAjdgABPT4BAIBAIBDPEKBEIBAKh2+A2o9TYyqDfoVtI/WcTGluJh5BAIBAIzhFklL662or8qhaHxuZogx5KrRGlagNm/6I... | [
"plane",
"bear",
"train"
] | null | 0 |
math | grade-3 | angles-greater-than-less-than-or-equal-to-a-right-angle | false | true | Is this angle greater than, equal to, or less than a right angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABxCAYAAADvX9QKAAAMg0lEQVR4nO3dW3CU9RnH8d9mN2xIQgg57SZtjVBAGcWAR8QDIEhW0MJgbT1UQTGp2FqdaS/qeGNnOrU3rc7UY6KCgrW2djwhJCERsFhAAaPBYsEiqMBuzgnJymYPby+WjRETiJLk3d33+7kKS4AnXH3nmf//fW2GYRgCAAAAMCRSzB4AAAAASCYENgAAADCECGwAAABgCBHYAAAAwBBy9P1Fe1dYyx7eqw5/WNs+7tSx4MD3H421lw37cAAAAECi+doGOzvTrgdvOUM... | [
"less than a right angle",
"equal to a right angle",
"greater than a right angle"
] | null | 1 |
math | grade-6 | classify-rational-numbers-using-a-diagram | false | true | Use the diagram to help you answer the question below. Which of the following is both a rational number and an integer? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEuCAYAAAC08GWcAACGcElEQVR4nO3dd3yT9fbA8U920qZ7saGlTCl7iiwRUUAFAQcoerlucetPvW5FvW65jut1KwoooIAiMlT23iB7U0b3SJo0+/fH0waQLW1Wz/v16qtp2iYnHU9OznO+56vy+Xw+hKhBcmxeDpd5KCz3UubyYXN7sbt92Fw+bG6fcrniY//lyutd3lNc58PiUv6NorUqjFoVRo0KoxZM/svH3v/1OlPFdXEGNfEGFQkGNQlGNfEGNQkG5X2sXhXkn5oQQgghzpVKEmwRKQr... | [
"– 1 3",
"–61",
"12 3/4",
"– 2 3/5"
] | null | 1 |
math | grade-2 | greatest-and-least-word-problems-up-to-1000 | false | true | Kenny wrote down how many pages he read over the past 4 days. On which day did Kenny read the fewest pages? | "iVBORw0KGgoAAAANSUhEUgAAAV8AAAC9CAYAAAAUTn68AABEpklEQVR4nO3deVxUVf/A8c8MMCAgm6ApKrjglibgkmUKZBaZmAaaP8z1MUNzRcs1Ncvi0VTccN8qUUMNl8d9AVNR00TUXFFwRUUFlXUY7u8P4MIoIMPioJ736zUvmDvnnnvuLN85873n3qPY5+0jIQiCILwwHutDMARw+7K/vtsiCILwWghfshQApZ7bIQiC8FoSwVcQBEEPRPAVBEHQAxF8XyEJkgF1UpxpltqEBMlA380RBKEQIvi+JEI11kxR2xcaVMMyLYiRjIn... | [
"Friday",
"Saturday",
"Thursday",
"Wednesday"
] | null | 2 |
math | grade-8 | identify-functions-graphs | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAhXUlEQVR4nO3dbWxb52Ev8D+pF1Kk9eLkkvLmtpLQJNYkeZahSLLRIhO9DasqqYGz1iy6FajVBjdtrQ+rA8RfJidRU8RbUwyI3K4YYKVdPpRa1hkwDQfLahrDBol0jKgxmSulGEgn7Y1N3kaSZVKkXsj74YSH54h6o0TqvP1/XyJK5PET6fDP5/0xZTKZDIiICmBWugBEpD0MDiIqGIODiArG4CCigjE4aF3JZBLJZFLpYpBKMThoXVNTU5iamlK6GKRSDA5a18TEBCY... | [
"yes",
"no"
] | null | 1 |
math | grade-8 | identify-linear-and-nonlinear-functions-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAHz0lEQVR4nO2cbUhTexzHv25XxUqMYqJYOSeklVkOs6xEmlJxwxc9aboye9CgIgJ7kMhKowedYK5QQyyHjuKW5oi7ckIPaFKGFOkLo5hKhqHiC+dUtOO5Ly4OzvXeKzv77c5d/h/wxfmfs9/vz8fz5M7Xg99+b+DdAXeZpwQMUphQYphQYphQYphQYphQYphQYsiEfvnyBUeOHMHatWsRFRWFjIwMfP78maq8aDiOQ1FREUJCQnDv3r1/3XZ8fBxxcXHYsGGD6H4kQvv... | [
"linear",
"nonlinear"
] | null | 0 |
science | grade-7 | compare-thermal-energy-transfers | false | true | The table shows the same data about how the temperature of each pizza changed over 15minutes. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAg50lEQVR4nO3de3xM977/8VcSt4gQxc9pKYkUmaakfiEatBzs2s3R2tKpVkVdiray696WalMSl+pOe4LadkW01D6iKN3UriqlIVraIHHZ6hKNhq0JUkIIMeePdYSR20wyuRjv5+Mxjzyyvt+11ue7Zr4zn1nzmTUulsi2FkScQfhamPdkZUchcmfTPBKxzdt7KzsCkSK5VnYAIiIiIiLiOErwRURERESciBJ8EREREREnogRfRERERMSJKMEXEREREXEiSvBFRERERJy... | [
"Thermal energy was transferred out of both pizzas at the same rate.",
"Thermal energy was transferred more slowly out of the pizza on the top.",
"Thermal energy was transferred more slowly out of the pizza on the bottom."
] | null | 2 |
math | grade-7 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB1CAYAAAB0zpYcAAARcklEQVR4nO3da3BUdZ7G8ed00kk6CUkIpLnKJYIIjFFxHEstXcdRyws6YA0DSokC4oW1trbmxd5qXui8mqrdV6MGVwQFZwYVZ3HxWjKiC7WwLisMyC3cL4ZLh3Q6SSfd6dvZF0BOH0e5mO4+p7u/n1dd/6KKX0F3naf7/M//MUzTNAUAAAAgIzxODwAAAAAUEgI2AAAAkEEEbAAAACCDCNgAAABABhGwUfjWr3d6AgAAUEQI2Ch8998vlZZKzz/v9CQAAKAIELBR+H7... | [
"yes",
"no"
] | null | 0 |
science | grade-5 | identify-vertebrates-and-invertebrates | true | false | Select the vertebrate. Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9V5Ak6XnYe/8zsyrLe9veu5np8WbHr98Fdhd+CZAgAZAgDkgBNDrCJ1I8nyQ6UaIkGtGIIkCRBAmAcAuswXo73s/0tPfd1d3V5b2vdOcCOnFu+EUwzt6cL4LPVcWbdVEZ+as3nnwy3/cRbpUMY8wBLol/jn+O/1dGRYOlGiTa4DPBGe+Px8V/hvvP8f/2cEkw5vjx56r2f4+L/wz3n+P/H+L/cqoY//eY6R/7ovTUq+jObdD+GubTDBx+nGImR3l... | 2 |
math | grade-1 | time-and-clocks-word-problems | true | false |
Nina got to the beach at 11:00. She hunted for seashells, played in the waves, ate lunch, watched the birds dive in the water, and built a sand castle. Nina was at the beach for 4 hours. What time was it when she left the beach? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAF7UlEQVR4nO3dW0hUexvH8e9SOzhuZ08HGsZDRIdtEZN0UQYF2WgXkW8mYRqYhwsxiA5XJQRZ0EURdBME3QSVBip0oRMEFc6QXvR20QEq0iIQa4xstOZVnEl53gv3zG4Y2znbFrrH5wMD+qxn/mv9hx//WbMGZhkiIv0heDMCgXEYE5SKW4oB6cmwxgL2+WD0B0X++3WmD0slkjwrpPSMTPzjmA85aROpUypegXF4PQy+EHSPQNLXsYkNGio1HenJExkC+N84JI1... | 2 |
math | grade-7 | interpret-circle-graphs | false | true | An ice cream shop in Livingston sells a variety of different flavors and keeps track of its weekly sales. Which flavor of ice cream did the ice cream shop sell fewer scoops of? | "iVBORw0KGgoAAAANSUhEUgAAAcwAAADrCAYAAADkBaa8AABL1ElEQVR4nO3dd3hT5fvH8fdJmqYt3S3QlrLK3rNliiBLUZnixIG4BdQ6cICCoiIIKG5E/TpwovwEF4LsISBTUGaZbVnduxnP74/QyGihQNqThPt1XVxixjl3QptPnnOecz+aUkohhBBCiHMy6F2AEEII4QkkMIUQQohykMAUQgghykECUwghhCgHH70LEEJ4lu+//57CwkKuv/56goOD9S5HiEojI0zh1VatWoWmaTRp0kTvUrzGyJEjGTZsGKmpqXqXIkSlksAUQgg... | [
"rocky road",
"chocolate"
] | null | 0 |
science | grade-4 | identify-rocks-using-properties | true | false | Select the one substance that is not a rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAAEAAElEQVR4nOz955Ms+XXfDX7Slfe+urvam+vdeIzBAEN4UBQJSiRXsRsMrvRGCu3+CRsbq5cKxT6PVhF6noiNUDxLI5GgAQ3cAOPnjrlzTV/f3pft8j6zMnNf/KpzZkiABEEMMYTuiejoe9tVd1WePL9zztdI15q2veKHoMKjeBSP4qeItglrXSjoEFXhuYj4uPwosR7Fo/iHRVCBFb/4d8f88OPyo8R6FI/iHx4neWTYH35M/vn8Ko/iUfzix6PkehSP4hOKR8n... | 2 |
math | pre-k | one-less-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAbmElEQVR4nO3dfZDWZb0/8A8su5xdXOTBAJVwUcqD2rGRNNl+YVkZuppOkyfP1EzW/Mo/bDyjZXSyhlM/DfJYhxPpaJ6Z/qBH7RTQYWw7Vj7wkJaulZC46QKJ4vAMLckae//+ODUjCd+F5brva/f+vl5/M9f1vt8ww5vvftkdUalUKgEAACQxMncAAACoJwY2AAAkZGADAEBCBjYAACRkYAMAQEIGNgAAJGRgAwBAQgY2AAAkZGADAEBCBjYAACRkYAMAQEIGNgAAJGR... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAAyS0lEQVR4nO3da5CdZZ0u7l/6FNOhc5Y0EDsdJogRZod/Ahlox3AUAgFJTQkyGw9AbYFdOioMiDM4hQdARmFqC6KCzGgJsxHwAMFsjSUHTUggTAiiiYQGcpBAZ3JOSEMakvX/gKFE4O2k+13reXut6/rSVRY+z9232uV79+q1BkVEKQAAgFyUSqXo6ol4ujti286IV/2/bYA+aRgU0VIfcVBzxNimiEFhwAAAgNx07SjFoq2pUwBUl78ZFtGQOgQAAFSTzu7Xvu7... | 1 |
math | grade-4 | compare-fractions-using-models | false | true | Which fraction is less? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAAhvElEQVR4nO3df3CcZd3v8U+0PE9Ka3eDjNhKJ9tkHKTF7mI70BacbA8tnSNoUgcKKpiNIjKOYzfCg/yj2QDOeQ4OZvOMjuCPh+0Djtqq3VpHplDbu1AoA+1hw6EVh0m6sbblh0PunKkuz4jm/JFe203oj2xy/9x9v2aYtmmT69vcX4YP1/2976thbGxsTAAAAAAc8R6/CwAAAABqCQEbAAAAcBABGwAAAHAQARsAAABwEAG7wj/+8Q/19PToIx/5iC688EJdd911evH... | [
"neither; they are equal",
"6/8",
"3/4"
] | null | 0 |
math | algebra-1 | identify-linear-functions-from-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAfwAAAH8CAYAAAA0Uh0TAABj+0lEQVR4nO3deXRc5Z0n/G+t2mXJli15QTK2scFGFjjYYGOzDARoCCQ2SZtkCEk35HQyIcykp3tOpt9MziSNmczJm/SEkEzobhpIOu+kw8QheJGNwUZ2JLBsYcuWDF6EtdnWUlLtdesudZ/3D3GFZUlWlVSPqkr1/ZzD4ahc96tH96m6v/vc5bk2IYQAERERzWj2VDeAiIiI5GPBJyIiygIs+ERERFmABZ+IiCgLsOAT0Qj/5//8H9TX1w//bBgGnn32WUQikRS2ioi... | [
"linear",
"nonlinear"
] | null | 1 |
math | pre-k | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJAAAACKCAYAAABFC8NFAAACQ0lEQVR4nO3UPWqcVxSA4TOjn8KR4soJKV0kWYIX5nVkY9qBf8BlFNJJtkCKhi/FhyCNiOEdPB54nupeLhxO8XI3y7Is1w8zH+9mbnczj8vAs043M5cnM7++mPn5fGZzfb8sVzeHXotj9ObHmdMPd+vll/OZ339Y64Ln3O5m3n2Z+fNh5v3dzPbmcX0QD1/j8mRtZWbm825mu/vPA3yNp1b+WWa2h12FYycgEgGRCIhEQCQCIhEQiYBIBERyuo8hn/74ex9j+IZ... | 1 |
math | kindergarten | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 5 − 1 = 4? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABKCAYAAACiqlhpAAAR7UlEQVR4nO2de2xb133HP3yTokhJlKJHLFuKbcmWazuxkjlOncVt1s7L0s5dWyQZMgxG4w4bCqz9Z8X+CfaHsT+2v1psGLoi3ZIG6dIsrZN2rWUvTSo3ji03kePEEfWgrbdEPUiRlPi89/LuD5oUKZEUJVIljZ4PIEj3yfPV4fec33ncczWqqqruGLhCsKyArCIQCLYJvQZsOuiogiYjaNxRVb0WKHeyBILfPx62g34klNhoMcI+a8KdAoFge1hWYCgIszEYDoE... | 2 |
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? | "iVBORw0KGgoAAAANSUhEUgAAASYAAADECAYAAAAyP4znAABsN0lEQVR4nO29e5xdZX3v/36etfeezCWXSSD3IBAJJFwiiggqqOCRVqG1XkvRY5VW2/7O+dWiv/qqRY8v257Taqv+PK32WMV6Wm9QlSriES/4AzUUELkLgXDLBJJAJpPMZV/WWs/398dzWc/aM0lmksnMJNnfF2HttfaevdfleT7P53tXIiJ0pCMd6cgcEj3bJ9CRjnSkI+3SAaaOdKQjc046wNSRjnRkzkkHmDrSkY7MOekAU0c60pE5Jx1g6khHOjLnpANMHelIR+a... | [
"impossible",
"certain",
"probable",
"unlikely"
] | null | 0 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed line is a vertical asymptote. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABsPUlEQVR4nO3de3hT150v/K9utuSrfAFjLjYhBBKDTQKBxAQHUmjChDYtdHKSzknT9jR5Zzpp0zlvO6eZPp0+77RMT95p007btJPpaSYX0nc6TZs2DcQhpFxMTAjgEIMNAWPAV3yRLcu677219/uHLIPBBhmvZUn29/M8CUja+nohS2v/9tLae5kMwzBARERERERCmBPdACIiIiKiqYQFNhERERGRQCywiYiIiIgEYoFNNI3s3r0b8+fPx6ZNmxLdFCIioinLxJMciaa... | [
"$\\lim _{x \\rightarrow 3^{+}} f(x)=\\infty$",
"$\\lim _{x \\rightarrow 3^{+}} f(x)=-\\infty$"
] | null | 1 |
math | grade-1 | name-the-two-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACvCAYAAADHa6lVAAADtUlEQVR4nO3asQ3CQBBFQYwcEZFQAGVQF3VQIwVQxNICwUMGaybe4IdPp1tmZg4AAEDiuPUAAADYE4ENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AAKH108Pn4/XNHcAPuN4vW08AgL/nBRsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgI... | [
"triangle",
"circle",
"rectangle"
] | null | 2 |
science | grade-2 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Mammals have hair or fur and feed their young milk. A rabbit is an example of a mammal. Select the mammal below. | "iVBORw0KGgoAAAANSUhEUgAAAtMAAADMCAYAAACx6y9WAAEAAElEQVR4nOy9d6AlVZXv/9mpwok3daYJTdMtGQmCIigqUTARDCAOmJ4ZHBUcx3EY39MZxTAijiAiKDgqhp+io4CMgwijBAEFlRybbjrccFLFvffvjwP30TShG1qZmVefv+6ts6tqVe196nxr7bXXEt57X5YlzjkqKioqKioqKioqKp4aKSVaa0RRFL4S0hUVFRUVFRUVFRWbhpQSWQnpioqKioqKioqKik3HOYd8to2oqKioqKioqKio+O9KJaYrKioqKioqKioqnia... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA4IAAADMCAYAAAAmsx3gAAEAAElEQVR4nOz9d7gkV3ntj392qqruPmnOmSCNAsoiSCJJICMLECCCQAQrmCCDARu+JBthMDhwuZj7YBsE9jUGWyQjkonmR7oYZC7GINkomCQMkgAhQEiaeEKHCjv8/thV1X1mRtIMDOBr93qe88w53RV27aruqVXrfdcSIYRgrcV7zxRTTDHFFFNMMcUUU0xx15BSorXmmlU4sQez6pc9oimm2DfWHFw/gFtL2KDhVxfi63JKAqeYYooppphiiimmmOLA4L3HWjs... | 1 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-10 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAWhUlEQVR4nO3de1BU590H8O9ykyBXFVRawooZMBoCXiKgTVEzGtNc1CQSzTiBpMbUNGOjfR1jkk40odU0TaITO5mYvFNjEhwVA8akjs6ogG+RiwhaZdRGXJAsWBdcstyElX3/OJ5lARF2PfCcs3w/M8zunmXW309Yznef85zn6Gw2mw1ERERERKQID9EFEBERERG5EwZsIoGarMAPVcCyo4D358DGEtEVuYZ9qIu79EFEpFVeogsgGsoyK4DX/g/oAGDV8GQt9qEu7tI... | [
"9–4=5",
"8–5=3",
"8–6=2",
"8–4=4"
] | null | 3 |
math | kindergarten | represent-numbers-up-to-20 | true | false |
Which picture shows 9 triangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAcwAAABcCAYAAADjyoVxAAAFSElEQVR4nO3dQW9UZRTH4TOFsgBREhFjwEgXasTElYqu7EZcuVL067j2m7jVhUu3xg9ggpK40EQsQwtTSuzYcl1Mpg6JN31b5vbe8/I8GzpT0s5v9c+BtDNqmqa5M424/Shiez9irwkAeOadHkWcPxXx+tmIl89EjO7sNs1Pk75fFgAM1/XnI07/+mj24JUzEW+em60pADzrtvcjbu1E/DmN+OVRxMpkb/YJYwkA/zl/araNEREP9yNW9hc+AQD8Z76N/zQRK/2... | 1 |
science | grade-3 | predict-heat-flow | true | false | Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAYHElEQVR4nO3deWBU9bn/8fesYZKQBEhYZTUBBCEoslQFUdyq0qIVb6/iz6r9tfVaerVqpYq1VdyqtrZ1ae/Ve72teOteN1ARlX2TJRAIEJaQhCwkIfsy67l/TBgMoRhhcs4w+bz+MfnOnHOe8QyfnPPM+c6xGYZhlPlgdxPUByFgICISFU4bdHdAViL0cYOtzGsY6+qsLktE4t2kFHDmN4V/6eeGEUnhNBIRiYb6IOxshFIf7GoCe10g/IDCRkSirbsjnC0ADUG... | 2 |
math | algebra-1 | identify-linear-and-exponential-functions-from-graphs | false | true | What type of function does this graph show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAETCAYAAAAMFHHvAAAYZUlEQVR4nO3dbWyU55kv8GscXoyBwGnXhvRFxjrk4ANI2ErCi5pFgara0DCtiNS0qqqt6CorVU0+bL90v2zaVZuoW1X7pbRVo91IrbpSE60qJFATbaR1v9mwGcXZmMjpOStMs0nAbKkd1sYG4mc/ODPYYMKM/Yyfefn9pCgz4+sZXWDk58/NPfeVS5IkCQAAIBUtWTcAAACNRMAGAIAUCdgAAJAiARsAAFIkYLOgqampmJqayroNAIC6I2CzoMHBwRgcHMy6DQCAuiN... | [
"linear",
"exponential"
] | null | 1 |
math | algebra-2 | identify-the-direction-a-parabola-opens | false | true | The graph shows a parabola. In which direction does it open? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHyCAYAAADRDLnIAABqxElEQVR4nO39e3QU54En/H+r7926tZCEJAQSN4MtjLDBYGODjQcSE5N4DVmPnT2ZXGYy72w2t5mTM+9k8pvN7zcZ1m/ezXFyMuNkvfOux3bWeTeJE8cbg4WNAwYsBWRkECADFgJ0QejSUt+7uqqrq35/NC1oENCC59EFvp9zdKSurv7qQXRXf+vp6mrFsiwLREREREQkhG2yB0BEREREdCthwSYiIiIiEogFm4iIiIhIIBZsotvEww8/jDfeeGP08u9//3vcddddME1... | [
"up",
"down",
"right",
"left"
] | null | 3 |
math | kindergarten | squares | true | false | Which shape is a square? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACdElEQVR4nO3UO25UQRBA0ZrxJzC/DERACCyBfXkhLIwd8MkIMKkNljAePYInJHI8d4Q5J+pWS6UKrnqzLMtycTPz6Xrmajdzuwz8tePNzKOjmZdnM89OZzYXP5bl3eWh1+I+e/N45vjj9Xp5fjrz+sFaIfytq93M++8zX25mPlzPbC9v1weRcZceHa1Nzcx8281sd388wF363dTPZWZ72FX4XwiNhNBICI2E0EgIjYTQSAiNhNBICI2E0EgIjYTQSAiNhNBICI2... | 0 |
math | grade-8 | parts-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its base? | "iVBORw0KGgoAAAANSUhEUgAAAQAAAACwCAYAAADgz7CnAABMH0lEQVR4nO19eZxcVZX/99x7X1V3esnS2feQsEOIKAjIohhEEREFBHSUUXFEHRdGHJn5uYyj/sRtGB1cZsRlxo/+VHAZdRTEQcGoIIIIsoY9ZCXp7OlO0vXu749zzr33VXeHbJ3Ocr/Q6apXr16996rPued8z0bee4+MjIwDEma4TyAjI2P4cMAqgJtu+i8cO3cUzn/1ocN9KhkZwwY33CcwHPj+9z6F8y98PwBg+TO9w3w2GRnDhwPSAvjKV38SHq/s3oIfXv+lYTy... | [
"circle",
"square",
"triangle",
"rectangle"
] | null | 0 |
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