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-2 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABb20lEQVR4nO3de1yT5/k/8A+IAYFYJRwMrRpQQSvparEFPKK02hPYVtsq/XbdpnZrt1W29bDi1q7dtOthG7S/dt3UtTsU7KptBXuQioJawVa0NXgANcQegkHiKQQhIvz+YEmJ5HDnRAJ83q+XL0me+3meW0xeuXI/13NdQV1dXV0gIiIiIiKvCPb3BIiIiIiIBhIG2EREREREXsQAm4iIiIjIixhgExERERF5EQNsIiIiIiIvCvH3BMj/LpguobW9A8a2ju6/27v/Dhk... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABr9UlEQVR4nO3de1zUVf4/8BeIAwJjynARujggghWTGpbgJVFK7AJuaZvSr8uu0m61u1Jttuluu9VqW+0Ftq1vu9pu7W5opZVgJSQKXrHE2+AF1GG0AgYZbzPDZUD4/cHOxGUun8/cgdfz8egRM59zzuegMzXveZ/zPn5dXV1dICIiIiIil/Dz8/P2FIi8zt/bEyAiIiIiIqLBhYEmERERERERuRQDTSIiIiIiInIpBppERERERETkUgw0iYiIiIiIyKUCvD0B8r4... | 0 |
math | kindergarten | one-more-with-pictures-up-to-5 | true | true | Count the marbles in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABBmklEQVR4nO3dd5xc133f/c+5d/rMzs5sr8Duoix6JwB2SiySSFlm5KhZiZqdx3nkJE7sxFFsJ7aTx3ae2JYj2Y7jWLaKLZGiLIoUKbGBothB9EJ0YFG2YPv0PnNP/ri7s7vYXTRigQX0e79eBLAzt5yZs3y9vvfc3z1Haa01QgghhBBCiGvCuNENEEIIIYQQ4lYiAVsIIYQQQohrSAK2EEIIIYQQ15AEbCGEEEIIIa4hCdhCCCGEEEJcQxKwhRBCCCGEuIYkYAshhBB... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1YAAAB+CAYAAAAnS4CtAABfWElEQVR4nO39d3xc933n+7++50xvmEGvLGABe5eoLtmyZFuyHa+9seM41yXJ3uzPyd3sZvcmuelONuWXbOKfnWzKTbETx5Ysx0WRLFkSZVudYi9iJ8GCQvTpfeZ8f38cYAAQAEmBRKH8eT4eNojBmTNn5jujx/sz36YAjRBCCCGEEOKm0FrTV4CzGUiWoSRp+x3HoSBowiofNLjs2xRSWAkhhBBCCHHT9OU1exILfRVivuwMQb0LHAt9IUIIIYQQQryTnMnYP5t... | 1 |
math | kindergarten | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAJaElEQVR4nO2dbWwcRxnH/7Ozs/bZPjs+J35rnNg+k0itUqmVIIoUkMgHKqGWSpTwogL9UKAqqBQptOLtQ5FopUogWqlVKyU4sfu9X5FQgbQEEtJCCy1UaQsSCClxpFj41r7LvewOH3bvHOr4fLs3OzM3u79P97L7zCP9d56d3XnmGcI551dqwAdlwPWABkeGQdgEyFPgIwPAhAOQK1XOL5ZUu5Uhg8PDgP1+Ofgy5QAHB4OrIcMcXA+4tAFcrgHvlQGr1Aj+yMQ... | 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? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAYzElEQVR4nO3d6XMUd57n8XdmXapLEkJCt5CEDJjTXAaD7enG7XNtY/eM29E9Pd0zEb37cObJ/AH7L+zDDUd0zLa7e6LX9mzTzdqAMWbMfSMMFrJAQge671LdecyDlFKIEkLCkrIkfV8RDsKpqqyUfpmf/P2++atMxTRNEyGEAFSnN0AIkT0kEIQQNgkEIYRNAkEIYZNAEELYJBCEEDYJBCGETQJBCGGTQBBC2CQQhBA2CQQhhE0CQQhhk0AQQtgkEIQQNrfTGzAfkgm... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAjXUlEQVR4nO3d6XMb17km8Kcb+0ZSFPdNJCVr3xdLtmUnsRJvV14TOXHiJHOrcufjnaqp+Tq35uvMfzDlW6mZOEsldu6NYo8t27Ksa2ulJEqkFooixU0U9wUkiB3dZz40AYoiJEIS0d0Anl+VC6U2CBzyHLx4+5y3T0sABIiIAAghMBIDukNAQAESjA5EtEKsEuCzAE+5gUo7IIEJCBHNG4kKtMwa3Qoiynf7iwCr0Y0gIvPoCmmP1XZgg0c7WyEiWgkBBegMAsM... | 0 |
science | grade-8 | use-data-to-describe-climates | false | true | Which statement best describes the climate of Tokyo? Hint: Summers in the Northern Hemisphere occur in June, July, and August. Winters in the Northern Hemisphere occur in December, January, and February. Tokyo, Japan, is a city in Asia. It is located in the Northern Hemisphere. It has a humid subtropical climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAEAAElEQVR4nOzdd3xV9f3H8dfN3nuRCYEQCCMDSELCXqIMmSJiFbVWrbbW0TqrVq0dVmtV2l+tCm4FGUIgbAhDSAIkhEACmWQwMsheN/fe8/sj5EpMkAA3uRf8PB8PNDn33Hve956bez/3e79DpSiKghBCCCGEEMIgzIwdQAghhBBCiJuJFNgmKCkpCZVKhUqlIioqythxxM/QihUrUKlUREREXNftRERE6J/Ll/v3y1/+slcz9YQ5c+Z0uE+mmFEIIUTvkQLbBK1cuVL... | [
"Summers and winters have about the same amount of precipitation but summers are hotter.",
"Winters have lower temperatures and slightly more precipitation than summers.",
"On average the summer months are hotter and wetter than the winter months."
] | null | 2 |
math | grade-4 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACDCAYAAAC3BWwYAAAX6UlEQVR4nO3dfXBU933v8c9Z7YOkNVhIOICw8IURlq6NbGLBghJUrEatfZ3aaetkkhrizDVh8JUplLE7ygyMw7UQXANDxm0zk+l1dbnOkNsOcevEdWIrcWVjYoEsLJEg1YBHRFgWCBHrAZB2j3bPuX8ItGdBfoKV9kHv14z/OWfRfiWdtT57zmd/x7Bt2xYAAACAuHAlegAAAAAgnRCwAQAAgDgiYAMAAABx5E70AMBEOn36tPbs2aP+/n7t3bv3mv1dXV3at2+fjh8... | [
"no",
"yes"
] | null | 1 |
science | grade-3 | identify-ecosystems | true | false | Select the wetland ecosystem. Hint: Wetlands often have land that is covered in water. This ecosystem has:
year-round rain and warm temperatures
soil that is poor in nutrients
many different types of organisms This ecosystem has:
land that is covered with water during most of the year
soil that is rich in nutrients
oth... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9d7Bl+VnYe39XDjvnfXLqHKenp2c0URpFFMAIhIQkgsAylP3axgG4lH1t6nX5NXpfMBeD8cUgkgEhhECA4mg0mtwzHaanczo573N2jiuv9f5xxNw7Njbm1oV2Xe9PVVf1Oivstfc5T53nrN/v9zzChXYUHYxBQmJoaGhoaGhoaGjor0U3gDt9EDp+FA0Tz6GhoaGhoaGhob9u3QCEKIqie30jQ0NDQ0NDQ0ND/3OQ/88bx99aIJUsksvNMjt9jER... | 1 |
math | grade-3 | match-fractions-to-models-halves-thirds-and-fourths | true | false | Look at the colored part of each shape. Which shape shows one-half? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAACdElEQVR4nO3Zv04UYRhG8Wf2DwWCdpqVWm1JLAiFVFaU3oIdib2XQE1Bxx3Q2lHZGKm0RGwNa8vCJiCbz2JCQuvsupPdc37VTCZv9k3OfJliq1JKGd4mP8fJaJLclWiJ9KpkvZu8WE2erSTV8KaU08u219I8bD1Oeufj+mawkrx6VL8NWh6jSXJ2nVzcJj/GSefyrn5g7OW03q3bJsnVJOlMHjzQcrpv+6cknXZX0bwZHMbgMAaHMTiMwWEMDmNwmF6ToXefPuT... | 0 |
math | grade-7 | identify-complementary-supplementary-vertical-and-adjacent-angles | false | true | Which angles are vertical to each other? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAkF0lEQVR4nO3df1DU953H8RcYzECdhZSQJl45MMlxXnMNyymxBaawMyaogUXiwXiaHJghh0mN4t01wcQ7MVeNziQTjEnUxMYlPayFWGAxKtUOm4swWk13vbQ3lrN1LXdcUuJ13UvgAgfcH9YtICrKwnd/PB8zzgj7671/ZOblJ+/3+xMxNDQ0JAAAAAB+EWl0AddSVVWlmpoao8sAAAAAxi2gA7bZbFZpaani4+N14MABo8sBAAAArisi0FtEbr31VvX19UmScnJytGH... | [
"\\angle{5} and \\angle{4}",
"\\angle{4} and \\angle{3}",
"\\angle{1} and \\angle{4}",
"\\angle{2} and \\angle{5}"
] | null | 2 |
science | grade-3 | identify-materials-in-objects | false | true | Which material is this box made of? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAwn0lEQVR4nO2deZwdV3Xnf3erqrf360XdLcmyjffdxra8DOCACcPwySQM27DYJiHEyQQwYcIwyUwmk88nTCYJkxhbNsNimwAhyQADJskgm2BCJiRkYrC8Iwtrl7pb3erXb39Vdbf5o153P7W6W72/91r1/UiflvrVq7q1/Orcc+655wIxMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTE... | [
"cardboard",
"wax"
] | null | 0 |
math | grade-2 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAJkAAABmCAYAAADYmDN2AAAQl0lEQVR4nO2df0wT5x/H30ABaUOR6kXmqWUMJxg2xsCoczsyjYPNLUpJYGwSf2QRZpYsyh+6ofEfwBm/wy1L3KbZjBqmGRrELEGXuajE+AM6XWZEN3ShUH4M7A8KxULb5/sHX+5LB23vyrW91nsll/TH3XPP3b3veZ77PM+9nwhCCIGEhB+R+SPRy5cv48qVK3j06BG6urrQ2dmJrq4uxMbGgqZp0DSNBQsWICUlBevWrcNLL73kj2xIiIQIoUqy48eP4/Tp0/jtt98... | [
"probable",
"unlikely",
"impossible",
"certain"
] | null | 3 |
math | kindergarten | count-scattered-shapes-up-to-5 | false | true | How many triangles are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADKCAYAAADQDzRsAAAQS0lEQVR4nO3dz2scaXoH8Mc7m0sOgUAOOe1hT8lhL3vMLSS35JZj/oEEcsh/MYjx2DrISjA6GWXn4hiMA1JbYtxgWUgzYGMLC8bgFiwI+iBo6EMdWkidw7uzM56xV7+66q166/MBw4wtVT31al7m2+2qb9+az+fzAAAAivCL3AMAAACLI+ADAEBBBHwAACiIgA8AAAUR8AEAoCACPgAAFETABwCAggj4AABQEAEfAAAKIuADAEBBBHwAACiIgA8AAAUR8AEAoCACPgA... | [
"4",
"3",
"5",
"2"
] | null | 1 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAeyklEQVR4nO3daZRV5Z3v8V8diqIooWQQEAEFkRlkRpBJUIQgCGgS02o62kEIJt0r6Zs4gBoSh6Rz17q3e620YqKuttPtbTVhSotDDDKIIAhYTM08WAxSQFFMBRZFnfviUD77nKqipn32s4fv5w3/hzqc84/Ji19+PuyTEY/H4wIAAADgipjtBQAAAIAwIWADAAAALiJgAwAAAC4iYAMAAAAuImADAAAALiJgAwAAAC4iYAMAAAAuImDX13/OkF570PYWAAAA8IkMvmi... | [
"2 pairs",
"no pairs",
"1 pair"
] | null | 1 |
science | grade-7 | compare-thermal-energy-transfers | false | true | Two identical greenhouses were next to each other. There were solar panels on the roof of one greenhouse but not on the roof of the other greenhouse. This table shows how the temperature of each greenhouse changed over 2hours. During this time, thermal energy was transferred from ____ to ____. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAnX0lEQVR4nO3deVhTZ9438G8SlrCELQitBYdoK6AiOioWq6LSp62Mj1alrY5Ya6ulM14udCyudaaKtbbMtNbBLsNbfarzqFVb57X6Km2tdalL3YpoZSpSVFwgsgSSkEBy3j8YUmNYTiAYiN/PdXFdcvLLOb/757kP9zm5z4nk4u+vCCAiakdd3wrC9YVlzk6DqFNjPyISJ/Kf4c5Owemkzk6AiIiIiIgchwN8IiIiIiIXwgE+EREREZEL4QCfiIiIiMiFcIBPREREROR... | [
"each greenhouse . . . the surroundings",
"the surroundings . . . each greenhouse"
] | null | 1 |
math | grade-2 | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAAN1UlEQVR4nO2d228bxxWHf8vd5U28SCQl2Y4dx2nixHHQhyBB3CRIgOahfelbX/oP9K1/W9EmQGCgSZAEdW6GYyRIUNu6ULLuF0okRYrkcrV9GA7vlyVFcjkz53uRTBHSWvvp7MyZM2c0x3GcvQqwUgTyNlB1QBATwdCAqA68GgaW/YC2V3acH3JeXxahGu/GAONZkf3jqh94bY6ZSRCTIG8DTwrAbgV4WgR8uSr7AolHTJqozjwDgDMb8NlNXyCIScM9sxzA5+2... | 1 |
math | grade-7 | model-and-solve-equations-using-algebra-tiles | true | false | Which set of algebra tiles represents the equation x+5=7? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKIAAAB6CAYAAAA8n4hZAAAGnUlEQVR4nO3dS2gUdxwH8O/O7sbHbh4262o0kqqk1qhF02rA4oPSQB9IKUkPQmkvpeQivaSHPiTEQgVPvXgQWm9FLIqgtKUNC01SKtqSqsXYNCbNojGb7LbKJhuNyez0MDFEQtLdOLPzm/98P5eQ3Q2/OXyZ2cd3f/EZhmEkHgI3x4FRHZgyQGS7gA8o9gPVy4FVRYAvMWEYl9NOHxZ5WV0JEOgdN3+pKAI2hcyUEtltVAd6MsDQQ+CvcUBLT5l3MIRUSMV+M3M... | 1 |
science | grade-7 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. Which solution has a higher concentration of pink particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AABiSElEQVR4nO2deZwcRd3/P9Uzs1c22SQEcmCOzQnk4AwIBJAod7gRBB4UeCDKzwt5EFF8PPBBQB5A0QcwgiIK+EgQeDQxJBwCgiBXDEe4khDICeTO7s7szHT9/uiu6qrq7rl2Zne69/t5vZKdqa6uqu6uT3/fVX0M45xzkEgkEokUMVl93QASiUQikSoRBTASiUQiRVIUwEgkEokUSVEAI5FIJFIkRQGMRCKRSJEUBTASiUQiRVIUwEgkEokUSVEAI5FIJFIkRQGMRCK... | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | null | 2 |
math | grade-8 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{PR} and \line{SU} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAeK0lEQVR4nO3df2xV9f3H8Ve5ttdWTKvg5Fe1BfllS0AtW6tst7RsiIb+imFZ5pTWaYKSUv/wx4z8zrK4LbNlOowRqIkmc3P0tmqqc62toDC5xQoUpSAttEa0AreChWtp+/3DtV9K7y2U++Pcc8/zkZCMc8o97887W/LqZ5973lF9fX19siC32y1JSkhIMLQOs6J/AAAA3o0yugCjlJeXq7y83OgyTIv+AQAAeBdl1R3spKQkRUVFqaWlxehSTIn+AQAAeGfJHWyn06k... | [
"\\angle{UTQ} and \\angle{PQO}",
"\\angle{UTQ} and \\angle{UTV}",
"\\angle{UTQ} and \\angle{STV}",
"\\angle{UTQ} and \\angle{PQT}"
] | null | 3 |
math | grade-1 | select-two-dimensional-shapes | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAACgUlEQVR4nO3UO25VSRRA0fOeP0h8ujsCMQBgCMQwJmZBT6mbnBnwyTEiwgZLNn66BBekzrH2Q+61oipVcE6wVZtlWZaTy5n35zNnu5mrZeCXHW5m7h3MPLo98+B4ZnNysSyvT/e9FjfZ0z9mDt+dr5eHxzNP7qwVwq862828+Trz4XLm7fnM9vRqfRAZ1+newdrUzMyX3cx2958HuE4/m/q2zGz3uwr/F0IjITQSQiMhNBJCIyE0EkIjITQSQiMhNBKH9cDnr17... | 2 |
math | kindergarten | equal-sides | true | false | Which shape has 6 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEi0lEQVR4nO3bT25TZxSG8XPtJFIpAUZFXUDLEthEF9DdVF1Ed8KgEmLGAHmOFEqkZkaqjBKbpHZy/XVw9QESRfyJ7/udc+7zG9m60tUZPH5n7kop5XRjdnxptuzNbooBt7bXmR3OzX66Y/bwwKw7XZeyuGh9FjJ7fM9s7/Xl8OXHA7NH3w8VAre17M1evTV7szH769JsdnEzPCAy7NLhfGjKzGzVm836Dx4Au1Sbui5ms7anYCoIDRKEBglCgwShQYLQIEFokCA... | 1 |
math | algebra-2 | outliers-in-scatter-plots | true | false | The two scatter plots below show the same data set. Choose the scatter plot in which the outlier is highlighted. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAAFGCAYAAAAFAHYEAAAvE0lEQVR4nO3df3AT54E38K/kn4Alg4LFBCLsN8ghEBwIxnYM5t7A2yppLp279PLD9PKrdtrknELodZImN3RwuRw3KhzTEOAC09aTuTtfILShtENLMgnUd8bYIg4U25DaPhwcnEMGGdsKXsvC+/6xSLakle01WmllfT8zxN5Ha+0jCF+e3eeXThRF8X89QNt1oP8G4BVBRESjJOsAQxKQOx2Ykwro/ndQFBv6Yl0tIqL4UGQEkluvSwe3pwILZ0ipSkREI/pvAJ9... | 1 |
math | kindergarten | represent-numbers-up-to-10 | true | false | Which group has 10 stars? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAR4AAAEcCAYAAAARAdvdAAAMSklEQVR4nO3dz05bdx6G8deASTAQpxKZUTZJpXRm2kUCEouyQYnYdFUpdxDuILmD9g7CHZRcQemfdUN3UaVIbnedVirJYugoWUDSuAqOObMwTh2PMcYcv8fnfJ/PpkUkxi9UT38gznEpSZLk9wPp17r0sim9SQQAqZoqSfOT0j8q0t+npdLvr5PkhxdZPy0AUXx8QZr6pd564/K09K/ZVpUAIE0vm9LPr6TdA+nfdWnixZvWO4gOgFGZn2w1RpL+aEoTzY53AMC... | 1 |
math | grade-5 | types-of-angles | false | true | Look at the angle marked on this shape: Is this angle greater than, equal to, or less than a right angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACgCAYAAAA2PRuAAAAS1ElEQVR4nO3da5BU5Z3H8e85p5sex2HKZpbZamMht6Byh0GGYUaGTZXZjUmq1hekfGGVVdFoqWHjfVlShkSrNIsuKxTJquPWbu1u6Rbxfr8mSkQQEQWVaBSUJCAKMjrAAMPM9L4Y6DXBC8KZOX35fl71Q/f0+TG8+dXDef4nyOfzeSRJkiTFIkw6gCRJklROLNiSJElSjCzYkiRJUows2JIkSVKMLNiSJElSjCzYkiRJUows2JIkSVKMLNiSJElSjCzYkiRJUows2JI... | [
"greater than a right angle",
"equal to a right angle",
"less than a right angle"
] | null | 2 |
math | kindergarten | are-there-enough | false | true | Are there enough bones for every dog? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACgCAYAAAA2PRuAAAAi9klEQVR4nO3deXCUh52n8ed9u9VS675vISF0AAIB5jRgbAy+8JXDzuTYZCbZozLJ1s5U7ezW7qR2a7dqZjZbNZW5k7k2lfF4PbMTO3ESgw+MsTEGc186kABJ6G6d3a2+r3f/EMYmNhjhFm6Z76dKhZDe7vd92uL1r16979uGZVkWIiIiIiKSFOanvQEiIiIiIp8lGrBFRERERJJIA7aIiIiISBJpwBYRERERSSIN2CIiIiIiSaQBW0REREQkiTRgi4iIiIgkkQZsERE... | [
"yes",
"no"
] | null | 0 |
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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAADWCAYAAAAD8D2GAAAYA0lEQVR4nO3deXAkV2EG8O91T889Gs1IWl2r1V72HjYstonx2saU2cUkhMOGMkWq4A8CqRQpHKogVTEhpBIIVVAhVSQxkEqAqpgzAccOJg7gI+aKj/iIjbG9u/KutLu6VsfcM90z3f3yR0sjazWrHa1GPT0z3++PrZLUmnnaGX16/fXxhJRSzpSBsSKQswBTgoioIXwCiKnAZWGg3w+IGUPKJ7PNHhYRtbs3dAG+E0Xng0E/sC/ipBERUSPkLOBYAZguA8eLgJI... | 0 |
math | grade-8 | quadrants-and-axes | false | true | Which point is in Quadrant II? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AAA85UlEQVR4nO3df3RU9YH//9ckQ0J+JxBI+BECaEANEfkhv0OlSBfFIip8LGttXV13ddePtuunn+PX7frZdSvHPVtaxR/bZdsj2492PfLB2lJwI4gQg5QGBAIECqjhR0hIQn5NmMxMZuZ+/8BJEwiQwXtz54bn4xxPnTuTm5fvTu59zXvec8dlGIYhAAAAAKaIszsAAAAA0J9QsAEAAAATUbABAAAAE1GwgWvc3Llz9d5773Xe/u1vf6sbb7xR4XDYvlAAADgYBRu4xt1... | [
"D",
"B",
"C",
"E"
] | null | 0 |
math | grade-7 | apply-addition-and-subtraction-rules | false | true | The number line shows two unknown numbers, b and c. Is b+c positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAI0klEQVR4nO3dX2xT5x3G8e9xbMf5R8hoKGSEppuCWAQLf0IItGKg7o6yNm2lqbtgbGGsIFo0tVMnrZ00kSIhrUzaoCpS6aROjWgvQjfWCalSt8DFnEBI3SIyGroEGCmQASE4tmMf++zCsUlEQoA4PrF5PhckPtw8kg/hyevfeV/DsiwLEZEM0tTUhGEYPP/883ZHkTTRey4imcRpdwARkXt14cIFuyNImuk9F5FMctcFOxKJ0N7eTmtrK7Nnz57+qwhmP5HuRqybPmL... | [
"negative",
"positive"
] | null | 0 |
math | pre-k | addition-sentences-up-to-10-which-model-matches | true | false | Which shows 6+1=7? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdoAAABKCAYAAAAc9ZVYAAAN7klEQVR4nO3dS4wb92HH8e+8+FhytdZbluRIK9lqlNoNqj6UnOoUsn0IcklhIIfkEiQXtwjQU2859BAE7aktWqDtMYcg17go4NSB0fTUtHUAJ7abSLGkyFK1knft3eWbM/PvgfsWxeWQ85+ZpX4fYCGtSM7M1/DwzxnOwzHGmPs9uNGC9QhCg4iIiEzId2Deg+fm4GQJnPtdY366lvdiiYiIzJ6rh8C/3hr88nQJfqs2GIVFRERkMusR/LIJ/9eDX7XAXQsHD2i... | 1 |
math | algebra-1 | identify-linear-quadratic-and-exponential-functions-from-graphs | false | true | What type of function does this graph show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAETCAYAAAAMFHHvAAAawElEQVR4nO3dX2yc9Zkv8GeMHTt2ISkoTgqliVdAvCTn4CiQPxIHEa6awrSitHVFTy9YCWmrXa662pV60a22pWJXVW8KZdtqC/2DtqCqSpWsQEJqUIvkJO0o7uJEzu5Z2SF7aGIXcNJjx84fv+fCzHicOPaM/TrvjP353DAzfmbyiMR5v/7l9/6eXJIkSQAAAKloyLoBAABYTgRsAABIkYANAAApErABACBFAjazGh8fj/Hx8azbAACoOwI2s+rt7Y3e3t6s2wAAqDs... | [
"exponential",
"linear",
"quadratic"
] | null | 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. Thresher sharks hatc... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAADSiklEQVR4nOydeZwcVbn+v+dU9TZr9oRshAQIixD2LewE+RG2qwiRK/smIqssyqIioOBFdhEFZF8uVxRBAxJAdjQmgUACAgZCIAkh6+zT3VXnnN8fp6q6qqcnmUDAe6EePkOmq6vrnDpV3fP0877v84oZrcaMr4dGhxQpUqRIkSJFihQpPhO0K3i7E0Sbb0xKPFOkSJEiRYoUKVJ81mhXIIwx5t89kRQpUqRIkSJFihRfDrjxB0/OW4YUInoshAB08G8S4TYH+68... | 1 |
math | grade-7 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{MO} and \line{PR} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAW70lEQVR4nO3db2yV9f3/8dd1WloIyGmBSG1RkBLpUOyBHixlLO2ZMhfdRtssTpPNHkzMRKo9LsMty/6QObPpTHZY05nNDU+TZQku2zm7sSybzLZjQV16yilFQDebMzEOEegpAkrFnt8Nvz0/Snva0nNd5891no/k3OB82vN5x3LFZy+u6xwjHo/HBQAAAMAUjkwPAAAAANgJgQ0AAACYiMAGAAAATERgAwAAACYisJGX9uzZo6KiIl28eDFjM4RCIfn9/oztDwAArEF... | [
"\\angle{RQN} and \\angle{PQN}",
"\\angle{RQN} and \\angle{PQS}",
"\\angle{RQN} and \\angle{MNQ}",
"\\angle{RQN} and \\angle{MNL}"
] | null | 2 |
science | grade-3 | identify-rocks-using-properties | true | false | Select the one substance that is not a rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAADAL0lEQVR4nOz96Y8sWZLlif3kLqpqZu5viRcRWVlVWdXdM11NDBsY8gPZAEEQIAjyTx8QIAES08Ph0tXVtWXlEhFvcbdFVe8i/CD3qpm/eJFLLJVR2e8mIn155mZqaleuiBw5ckT+b+9U/90B7j0f18f1cX2L9Vjg/3uCX6zwMsD//oX93n00rI/r4/pu697DvzvY98dy/b37aFgf18f13Ve3o6TX37k/zKV8XB/XH//6aFwf18f1A62PxvVxfVw/0PpoXB/Xx/U... | 2 |
science | grade-8 | use-punnett-squares-to-calculate-ratios-of-offspring-types | false | true | This passage describes the albinism trait in rats: Albinism is a trait in many animals that prevents the production of melanin. Melanin is a pigment that colors the skin, eyes, hair, and other body parts. The more melanin an animal has, the darker its body parts are. Rats with albinism lack melanin, so they often have ... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAAZUUlEQVR4nO3de3Ce1X0n8K9ulmTLsizbMRcDxqFcXK6JiU2mJBDIEqcsNNkktIS0KWR3ZrM0bcpsutNkumWHTCbdnelMBzIUcmmhS1pISRsSILFjDCGh2CYbIHFSYww2xviGbckXSdbl3T+EZTnYwuAXZB19Pn89r57zPM959fvnq6PznFNTqVQqAQAAilA72h0AAACqR8AHAICCCPgAAFAQAR8AAAoi4AMAQEEEfAAAKIiADwAABRHwAQCgIAI+AAAURMAHAICCCPg... | [
"0:4",
"1:3",
"2:2",
"4:0"
] | null | 2 |
math | calculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x=1? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACTd0lEQVR4nOzdeXxU5b0/8M+ZfbKRkEASAgl7EEiQfRcQBMSlglq0tVVrtVqXbvf+6u12b3u93t57W1utWmtrXbq4UBErEBBkNQiBAIGELYQlCSH7NvuZM+f8/hgSiWyZ5DyZmeTzfr28vUlmvvPlnJkz33nmeb6PpGmaBiIiIiIi0oUh3AkQEREREfUmLLCJiIiIiHTEApuIiIiISEcssImogy1btmDo0KG45ZZbAAC33XYbPvjgg8ve1u/3Y8aMGdi9e3dPpkhERBT... | [
"yes",
"no"
] | null | 0 |
math | grade-6 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 8 numbers: How would the range change if the number 4 replaced the number 8 in the set? | "iVBORw0KGgoAAAANSUhEUgAAAPUAAAAkCAYAAABR03zvAAAHXElEQVR4nO3da1BU5x3H8e9eYLntAsudRZGrgHItKhRj4gXRSMaYycVMbu00nXQm7WSc9EX6qtN3eddpO506HU1rJhdNbWYaoxaDCoIBMQQRBLnIzSWg3BYoLLvs7umLRQKiSVvO2R23z+fls8v57TzM/5znPM9zdlWSJEkADgfMzYHLiSAIjwiVClRqCAgArXahTZIkyTYHNpt3P5wgCKuj04EuALROhyhoQfAFNhtotKAWBS0IvsNuA7VT3EMLgs9wOkHtniYTBME... | [
"increase",
"decrease",
"no change"
] | null | 2 |
math | grade-6 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 10 numbers: How would the mean change if the number 87 were added to the set? | "iVBORw0KGgoAAAANSUhEUgAAAYkAAAAkCAYAAAB8KMY5AAALb0lEQVR4nO3deVxU5RrA8d8MAwgijoGgiAZuiPuSmiiuuVxTyd2upaZZkcvV7GpdbzfNtLqauaRZWZ/KFTWXNFFLUVFxRcgF1BRJr+AOKMM2MPcPdK6jjBxkZg730/P9x4/veYf34Xle3nfmnDMzGpPJZALILTBiyMsm31SACSGEEH82GsBJo8XduRwuWl1hm8lkMmUac8gy5qgbnRBCiDLDXeeKu84VXV5BvmwQQgghLBiMOThrndAaZIMQQghRBIMxF62xIF/tOIQ... | [
"increase",
"decrease",
"no change"
] | null | 0 |
math | kindergarten | equal-sides | true | false | Which shape has 5 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAADFElEQVR4nO3cO27UUBTH4TOTTIRIAFEAoqCgAJaAWBfrYCMshR3wkChSJIgGJSEij5EprJEA8Y7nb4/9fZWvrnR0ip9u6VnTNM3hedW706rjZdVlU3Bl27OqG1tVj65X3dupmh2eNc2ro77XYsye3qzafnvaHu7vVD3ZbSuEqzpeVr3+XHVwXvXmtGp+dNleiIwu3dhqm6qqOllWzZffXECXVk1dNFXzfldhKoRGhNCIEBoRQiNCaEQIjQihESE0IoRGhNCIEBo... | 1 |
math | calculus | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the range of this logarithmic function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABk10lEQVR4nO39fXxV9Z3vf793dnbuExKSkEAkQUTQIEFRtCAoDlYdbW2h7cHpY9o6xzkd29p2es7Vnl5zZjo3P3+eXp1pZ9pjPT0906ntueZ3esar6oxgpFhQaKggESMJChggIUBudm73/dp7r3X9EXdKuNGErG92Nnk9H48+bDZZ73yy1t5rf/Y337W+HsdxHAEAAABwRVa6CwAAAACuJDTYAAAAgItosAEAAAAX0WADGKempkZ79+4d+/rEiROqrKxUR0dHGqsCACB... | [
"$(-\\infty, 9]$",
"$(9, \\infty)$",
"$(-\\infty, \\infty)$",
"$[9, \\infty)$"
] | null | 2 |
math | grade-3 | fractions-of-a-group-denominators-2-3-4-6-8 | false | true | What fraction of the shapes are rectangles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAGlElEQVR4nO3dP28b9x0G8G9MWookuHYgGzZKQywsNLYzdAiyJmudMdFWQGuTsUOnvoW+jr6dDkGBBukUt01kUaJJ/ad0PHaQxTppdWLRI+93l89nMiTq+MPj5cGB9/CdyWQyCQAAoBS3qj4AAAA0iYINAAAlUrABAKBE7TIv9uc//CWOX5784GdrG6vRXmsV/t295z8r/P3yg+V49/5y4WvWuqvRXi1+n1TICQCguUot2D8ujdf97MeGfz0s8xgREdFabcXT3z6J9Y/... | [
"1/4",
"1/3",
"2/4",
"6/8"
] | null | 1 |
math | kindergarten | represent-numbers-with-pictures-up-to-3 | true | false | Which shows 3? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAZfElEQVR4nO3deXCc933f8fdz7LP3Lu77IniAonjToiTqtiVZrqUqjZ2xHHc8jTzpRHHcuJnMZJpp4yptbI87TpO0Ezuta8fOpB07hzKWrCiy5Fg0JZKSSBG8xAMgARAgzgX2vp6rfywJEibt2BGIHwV9X/+QWDz77PPBM5/d5/g9z2q+7/tTVRgqQs4Fx0cIcYOYGsQNWB+BVgu0qYrvv55VvVhCvPfcngDzbLH2Q7sFA9FaO4UQN0bOhdMFmKzCmSLoWaf2Cym... | 0 |
science | grade-5 | animal-adaptations-feet-and-limbs | true | true | Eurasian spoonbills live in the marshes of Europe and Asia. They eat insects, snails, and worms that live in shallow water. Spoonbills often hunt their prey by walking through water, or wading.
The spoonbill's legs are adapted for wading. They are lightweight and keep the bird's body above the water. Which animal's leg... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9d7gdVdn+/1lrzexyeiqQQidAKMEAgpTQq4A0qVIVFF6pL0155ZXyRTRIUUEpIggoiAoCilRFQoBACHkBKYGEEEggQMppe++ZVX5/rJnZ+ySBnOCh6G/u69pXcvaePWWtNbPv9az7uR/hnHNaa6y15MiRI0eOHDly5MiR498TUkqCIEDEcexycp8jR44cOXLkyJEjx78/pJTInNznyJEjR44cOXLkyPGfAWst8rM+iRw5cuTIkSNHjhw5cgwccoKfI0e... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOydebwcVZn+v+ecqu6735sVCAlEDFsAQRRBQQQVBRUExQVwgxFURkX5uaDOOCIz6giC+4g7go7KjPsy4jKiiLIT2WWHEEJCtrt0d1Wd5ffHe6q6+yaQixOMzvTD535I+lZXnapTVTnP+z7v86oQQrDW4r2nhx566KGHHnrooYceevjbhNaaJElQSm3tofTQw/9K6B5x7qGHHnrooYceeuihh799eO+x1m7tYfTQw/9a6B5x7qGHHnrooYceeuihh/8... | 0 |
math | grade-8 | describe-a-sequence-of-transformations | false | true | What combination of transformations is shown below? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AAAqSUlEQVR4nO3dd3hUdf728XsS0gsRkEhAglQFATFGgUVAXFkLIKJI20UpgsJKs4uFn6iAiDTFAlhwQQFRmoqidCGKgxSRXiIhIWSJ6X1mnj9i8qyCpJ2Zk5l5v67LP2Yy5/u5RwNz5/jNORaHw+EQAAAAAEP4mB0AAAAA8CR/KNhJSUkuD+AtM82ay0zPmmnWXG+ZCQCAESz/u0XEarWamQUA/iAmJsbsCAAAVFiNPz/h6g80q9XqFTPNmstMz5pp1lyzZgIA4I7Ygw0... | [
"rotation, then reflection",
"reflection, then rotation",
"reflection, then translation",
"rotation, then translation"
] | null | 2 |
math | grade-1 | square-corners | true | false | Which shape has 4 square corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAF2klEQVR4nO3dv3LUVhiG8We9NvYQSIqQZGIXuElSUnIPFAwD1wnDUHARdJSEFKaAOBPS2MaD7d1RiuUE4WB7Vzp/vvOd9+lkraQzu7/RjLXS2UnXdd3+KfxxDIdzmHUoNbr1Cdycwi/X4adrMNk/6boXB6WHpTx391tYf328WPj5Gvz2zUKhUmM7nMOrD/DnKfx+DGsHs8UKIVMxuzldmAI4msPavLdCqZgFU2cdrJUdimolQVNZEjSVJUFTWRI0lSVBU1kSNJU... | 0 |
technology | grade | icons | false | true | This is a(n old) logo of which famous app or program? | "iVBORw0KGgoAAAANSUhEUgAAASwAAAEsCAYAAAB5fY51AACjOklEQVR4nO29e5gk2VUf+MvKyqzKrEdXdVd1z3T3TKs1D81LoxGaERKSjDAWAtbmtbD+bBmxyIsw2HitBQxGGnv1CZllLVY2MuzKLOyCV4v5bNgPwWfZEliyZ2Q9ZoQe89BjZtT0TPfMdFd3V3U9MrMyKzP3j8gTeeLEOefeyMzqmRZ9vq8qIu47IuP+7u+ce+6N0uceehzX5Jpck2tyNcjUC92Aa3JNrsk1iZVrgHVNrsk1uWrkGmBdk2tyTa4auQZY1+SaXJOrRq4... | [
"Google Play (Store)",
"Instagram",
"Disney Plus",
"AutoCAD"
] | null | 2 |
math | algebra-1 | describe-linear-and-exponential-growth-and-decay | false | true | How does h(x) change over the interval from x=2 to x=5? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABvuUlEQVR4nO3de1hb950n/reQBIirMGCwccB2bGODwY4TnNgGG+I0ySRtNnbacdpf2808aWfT7f3Znf76m+n2t9PNZrPP9PI0k2Q63emk6f66T7fZuplJHOw6MTYYEl+IDUZgm2Cbi20uAknocqQj6ZzfH0IY+YZkny+S4P36xw+y9OHDOejoozdfnaNTVVUFERERERFpIiXeDRARERERzSccsImIiIiINMQBm4iIiIhIQxywiSjCk08+ibfeeuum//fRRx/hoYcegt/... | [
"h(x) increases by 6",
"h(x) decreases by 6",
"h(x) increases by 200%",
"h(x) increases by 100%"
] | null | 0 |
math | algebra-2 | domain-and-range-of-absolute-value-functions-graphs | false | true | What are the domain and range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABiL0lEQVR4nO3dfXyU9Z3v//dkZnIfSEggiYEEEaGCBEVRQahYrdra2kLXxd7b425rt96052z32G7b0/Z43J7d3mytdlt3XbXdnl+3btWuYKQoCDRUkAgBgiJGCAmQm0kmyUzm5pqb6/cHnSzhRjJwfZkMeT0fDx8+ZpjrnU+ua+aa91y5ZsZl27YtAAAAAI7IyfQAAAAAwPmEgg0AAAA4iIINAAAAOIiCDWCEmpoabd68efjy/v37NXnyZLW1tWVwKgAAsgcFG8AI9fX... | [
"domain: $\\{x \\mid x>3\\}$, range: all real numbers",
"domain: $\\{x \\mid x>3\\}$, range: $\\{y \\mid y \\geq 3\\}$",
"domain: all real numbers, range: all real numbers",
"domain: all real numbers, range: $\\{y \\mid y \\geq 3\\}$"
] | null | 3 |
math | kindergarten | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 4 − 2 = 2? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABKCAYAAACiqlhpAAANcElEQVR4nO2dW3Ab12GGPyzudwKUeKduLEVZMiteJMq6uJI9jTVWkzSOlU5rdVK3qTrTTl/60oc+9CFvzXSmD32xm+nUD9UknbHTJo1je9pk4tipHF1ItQpFXWhRImUSpEhAAAhgce8DCIAgFwQvAJdcnu9F5u7Zs+eH/x97cM7uWV02m836EjAahXAaUlkEAkGNMOjAqYdOGzSaQOeLZ7PXQmo3SyDYeZxwgeFBNPdHswm67Ll0CgSC2hBOw70ITCXgfhSkUCq... | 0 |
math | algebra-1 | interpret-the-slope-and-y-intercept-of-a-linear-function | false | true | Pam is hosting a birthday party at Archie's Arcade. The arcade charges a fixed cost to rent a party room and an additional amount for each guest that attends. This situation can be modeled as a linear relationship. What does the slope of the line tell you about the situation? | "iVBORw0KGgoAAAANSUhEUgAAAj0AAAI0CAYAAAD2npjJAABur0lEQVR4nO3deVhU99028HsGZoCBYVEQFYO7EtyNIigIirUmBBskRlzSak0abQw+fdKYPH37JE1MbdIYU6zkjVmtTW0Cr5BocccIitEoIrJFJREQlFX2ZRbmvH9Qpo6gAsKcOcz9ua5cV+bMmXO+5zjM3PP7nkUmCIIAIiIion5OLnYBRERERObA0ENERERWgaGHiIiIrAJDTzfMnTsXX331lfHxvn378PDDD8NgMIhXFBEREXUJQ083TJ48GTk5OcbHW7Zsweuvvw6... | [
"The arcade charges an additional $16 for each guest.",
"The arcade charges an additional $20 for each guest.",
"The arcade charges an additional $40 for each guest.",
"The arcade charges an additional $12 for each guest."
] | null | 3 |
math | grade-3 | lines-line-segments-and-rays | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAG4AAABuCAYAAADGWyb7AAAFWElEQVR4nO3cXWxTZRjA8f/p1o01Y8MxPgpsrCWRoOIgAUXBAEERBFsTTDRRAxgxiNuVH3deGBIvlLtOIUpEEk30gotWcKASIIIiYBh+Bg3tYMA2WGYHs2PrtuPF2Akfo2Ow9ZynfX5X3dt0fbN/ztlpnpwapmmaKHFcdm9A3RkNJ5SGE0rDCaXhhNJwQmk4oTScUBpOKA0nlIYTSsMJpeGE0nBCaTihNJxQGk4oDSeUhhNKwwml4YTScEJpOKE0nFAaTigNJ5SGE0r... | [
"line",
"line segment",
"ray"
] | null | 0 |
math | grade-2 | choose-the-appropriate-measuring-tool | true | false |
Which tool would you use to find out the height of a puppy? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACoCAYAAAACcRc/AAAYdUlEQVR4nO2dfXATx93Hv5Ilg1+wTuAYCC+WiRNoSOojeWiB5sFyS1ueThJEHpLmybRjOZOmLU1qQSedZqYDog+d9CVPrDRJZ0hIOAc6QCiJDDQkkxCLPE/NhBCQa5qXxg5nIGDAsU9GEliWtM8f4o6TLJ1OwSfL1n5mGKzV73b37r7a3fv9dvd0hBDSEwI6g8DFCBAmoFAyxqADJhUANxYDUwsBXc8gIYcHRrtalPHE18sAw6fB2IfphcDckpjqKJRMuRgBPgk... | 1 |
math | grade-6 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater perimeter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAH4AAACTCAYAAABI+a3UAAAOtUlEQVR4nO2dfVAU9R/H33ecN5yIzjE8KQRE02n6ExHNzOcHTuAU1FQkoHzARNQy/SnlL36/mSZJfKDEB0zqsBId6InA0rFkBLSZUKwmRkyyurCBHJqO6VLqPO5+f5x7HAEecvvd797uvmZumOV2v/sZ3rfs7vf7uu/KbDab7VczcP02YOoELDZICBCFDPD1Ah4eDAQpAdmvf9tsF/+gXZYElzw2FFB8f9u+MFwJjPSxfyokhIepE7h2C2g1A023AfkfFvsbUuj... | 0 |
math | algebra-1 | multiply-two-binomials-using-algebra-tiles | false | true | Which multiplication expression does this area model represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAR5klEQVR4nO3db2wcdX7H8c/MrmOzGzs2xInt+GKwuZAEiC5xQ0kh/QPNEXMRUoVa0dNJVZ4hQSiq8ijX9mFEKlW6CkXHIfGgPXriOAJqdS1uLJqSEBrgvL4ExyGATbwh/rObsPGf3fjPzkwfROdmjW0l9s+Zmd3369nMyvP7+vPEn/wyM2t5nucJAAAAgBG23wMAAAAAxYSCDQAAABgUnetkIjmloVH3ds8SenVVtratXzHnZ2S6OGRq3oKZpjs0mOszvmZ9rFnbanc... | [
"(3x+1)(x+3)",
"(3x+2)(2x+3)",
"(3x+1)(2x+3)",
"(3x+2)(x+3)"
] | null | 0 |
math | algebra-1 | write-compound-inequalities-from-graphs | false | true | What compound inequality describes this graph? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAMPElEQVR4nO3df0yU9QMH8PeBIGLKQSQnKpjyhSBRU+RghElOpdC+GLNgOWX2JZ2tVqtN/2h91WVb6+eX1mZM8azmHI5kTFS8ERxI40BIxJIBNhESLhCQBO8eiPv+gXdJiHLHxeee8/36R/Z57o/34wPcm8/zeT6nMJvNZriQo0ePQqFQIC0tTXSUCeF5OBeeh3PheRARkTObIjqAo7W0tIiO4BA8D+fC83AuPA8iInJm4y7YAwMDqK6uhl6vx6xZszjjQveludKAI02... | [
"$5 \\leq x<7$",
"$5 \\leq x \\leq 7$",
"$5<x<7$",
"$5<x \\leq 7$"
] | null | 3 |
science | grade-3 | read-a-thermometer | false | true | Select the temperature shown by this thermometer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAGQCAYAAADbbRRJAADCdklEQVR4nOydeXgT57X/v1pGsiRblhcZ8AI2YBswBEMIxoaEgJOQBdIlqUnubRuatr9c0jWhbdrcdE1vetOG7k2aZiNtc9uQrY3JjiEhCVsIGLBNLAO2sWxA8iIvkmyNlt8f8gySNSNvM7Itn8/z8IDfGc/7Csuj75z3e85RBAKBAAiCIAiCIAiCiAuUE70AgiAIgiAIgiCkgwQ+QRAEQRAEQcQRJPAJgiAIgiAIIo4ggU8QBEEQBEEQcQQJfIIgCIIgCIKII0jgEwR... | [
"80°F",
"55°F",
"45°F"
] | null | 2 |
science | grade-5 | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAlyElEQVR4nO3deZCbd53n8c9z6T5aLfWl7pbaR2JDEshiID6SAAF2E5gcUMOwZJLNYefgmAL2gNmqKWDYKmZqdxmG2UnsJHacAHOwCx6YzG4yQwKVmG6bEIfA5LAd291SH+pD6tb9SM+5fzw6WurD3XZLreP7qqJwutWyWpbe+j3X78fouq5PS8C5LJBSAUUHIYRsCJ4BnBxwhQ3oMQHMdF7XX05u9sMihLS661wA/3bW+I8+E7DDbtSIEEI2QkoFzmSAiASczQJ... | 2 |
math | grade-8 | apply-multiplication-and-division-rules | false | true | The number line shows an unknown number, p. Is p – 3 positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGXUlEQVR4nO3dXWhTdxzG8eekTRpbi1Rbt7rZCrtwVEexrbF1MkQ2BhMrFRG8WJEJDkWoV7rbMXF0bKKgoOAG60UnDiKdzPvoTZO2ukCxcy/YKmp97dC+Jk3PLtJEu77K4vkn7fcDITkn5+KBpPD0z+/8Y9m2bQsAMkhzc7Msy9Lu3btNR4FD+MwBZJJs0wEA4FXduXPHdAQ4jM8cQCaZc8GORqPq6OhQMBjU8uXLWUUAUiXcIoV/kXpvxo/fXC2Vb5fKa83mAgBMq7m... | [
"positive",
"negative"
] | null | 0 |
math | grade-2 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABU50lEQVR4nO3deVyU97U/8A/rgAozyCZuM+AGmAjuSyJL1MTEKBiTNs0Gtll6e2ODbdL03qYBb5q2SXorJmlvUpOfZG/TGDDGxGiMA27BGBw0ghiFQUFWZQYEZhiW3x/IhGWWZzZmBj7v18tXYZ7v88yJMuXMd85zjkdPT08PiIiIiIjILjydHQARERER0UjCBJuIiIiIyI6YYBMRERER2RETbCIiIiIiO2KCTURERERkR97ODoCcT9fRBZ22Ex3aTnRou9Ch7YRO2wl... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5AAAAEJCAYAAADiusiGAABgRklEQVR4nO3de1yUdd438A/HARQYlIN4mgFPgMWgmaQlYB7LVMxq29LE3XT33tUNd3Xb+9l2xbvaQ+29YnnfT2k9UlrtoRJP5SET8BRWOGCCmMKgKCIoMyAww/H5A5k4zOGa84HP+/Xi5XBdv+t3fRtnbL7z/R08Ojs7O0FERERERFbh4eHh6BCIbMbT0QEQERERERGRa2ACSURERERERIIwgSQiIiIiIiJBmEASERERERGRIEwgiYiIiIiISBBvRwdAjtfa0o5... | 0 |
science | grade-4 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Reptiles have scaly, waterproof skin. Most reptiles live on land.
Reptiles are cold-blooded. The body temperature of cold-blooded animals depends on their environment.
A dwarf crocodile is an example of a reptile. Select the reptile below. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOy9ebwdVZW3/+yhqs45997cm4SEDIQhCYFAgBBAZhBQkEEaBQQFQVDkldeRH4rSbdu+2Gg3KraKNoMK2NgqLYjASxMQZcYACTNIMIwhZE7ueE7V3nv9/th1DwkECBjF5q3n87nivadO1T5V+1TWXvVd36VERJxzhBCoqKioqKioqKioqPifidYaay2qKAqpgvuKioqKioqKioqK//lordFVcF9RUVFRUVFRUVHx9iCEgH6rB1FRUVFRUVFRUVFRseGoAvy... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6cAAADMCAYAAACPx9V0AAEAAElEQVR4nOy9ebxlV1Xt/51zrb3PufdWpSqBBAiNGCAYSAADCEQaQ5ReBQmCgEZQ4MmzgTwQjfrUhw9UWhVRBBFUbOABIvj4ECCPnkiTCIIoYAJEuiQEqrn3nrP3WnP+/pjrnKpKiqSCoZHfGX7qQ+69p9ln7322e6wx5hji7l5KwcxYYYUVVlhhhRVWWGGFFf5rQlXJOfOBvXDrDdiZvtlbtMIKh8e+Cv+2CZ8f4OgMd98dv9cVMV1hhRVWWGGFFVZYYYX/+jA... | 0 |
math | grade-1 | compare-objects-length-and-height | true | false |
Which train is the shortest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAWkAAABbCAYAAACxvnRcAAAlKUlEQVR4nO2dd3xc1ZX4v6/MjHqXJRdZsuUiF2xjDJjmDZClJ5QkhCwJGyAhBLKUDS3lFyCYXdJIDDE1WZIlP0JLAGPAEMAONu6Awd1ywXKTJVtt+mt3/5jRWKM6I2kk2b7fz0cfj997595z3sw7975zz71XEUKIWgO2B8BrgyWQSCQSySChK5CtwfgMKHGDUhsWYnXLYKslkUgkkvacmgN6dSDyn+FumJgZ8eASiUQiGRy8Nmz1wwEDtgVAbbEiJ6SDlkgkksE... | 2 |
math | grade-5 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAKMAAABxCAYAAAC5mhOkAAAJpklEQVR4nO2dfVRT9xnHvyFRhoi1Lccpa2GrldoOp3WyM2VOuyHrZnVqndpjj7yIiFi7Ml9afINIq54yi8cKYqVo6VkLznY4p3Xq9LQssA4GWDjDhLpziNXYY1qUhASUkP1hScPlEnnJvb/fTZ7PX0rC4Tncb57cDzf3eVROp9MJguCAANYFEEQ3FEaCGyiMnGI2mlBRegq2WxbWpciGhnUBxF2MDQYYKmpxuboB9ecr0W6xIXbVEsxY+hvWpcmGigSGDXpdDfSVtdD... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | compare-objects-length-and-height | true | false |
Which stoplight is the shortest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAADbCAYAAACBQtR6AAAJjElEQVR4nO3dW4xcdR3A8e85c9mdy87uTne7rTuwBXoP7QNJbRERjJLCAyGgD15eLEFRE6AmJZgoBRMS0MREJTHxRVHTgGSLWqRBpEkFY3ZBjbF1m7IDbUJLd7v3mdmZ2XNmzt+HszNl2y1thZ3zY/b3SSa7c8v+mm/Of86cudQyxpgRB7JFyFehYlABClvQFoJ1ceiJgjUyZ8wbuaDHUovZnoLwcNE/szoKGxJ+PRWcfBWOz8IZB94qgp2r+FdoHBnaQn4LgEI... | 1 |
math | grade-4 | nets-of-three-dimensional-figures | true | true | Which net will make this figure? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAARQUlEQVR4nO2de1yUZdrHvzOgIAgzJmKeGsT01U5YbmpqDe/b27seSnR1M10TVsS1FDmoCQnOYAqmKNOKeVbUTCxS87CmacCWi1oGlAJJyBAoBCInhzjM8Lx/zDKbhgY4J5Dv5zN/DM5zP7/P/D5zPfd13fd1KxIEQaADq0FsaQHWwKFDh4iIiCAvL8/SUkB4gMnJyRHGjh0rAIZXSEiIoNFoLKbpgTREo9EIoaGhBhO6OjoLQ4c8a3jfp08fIT4+3iLaHjhD9u/fL/T... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAADlCAYAAADeIwWJAAAZWklEQVR4nO3deVyVZf7/8dcBXAIVzX3FXBEXTL8upQX9HCu3tEbTakbcW0xFzVHLBcltcoFJJ1NTUbPRIm3ctRzh+80hKwUmRZNRMVwhCkSI1fP7gzgTovfIeh/g/fznPLwfnvt87gecN9e9fK7LAlgRu2G1WrmeAf9OheRsyNJPR6RUOVmguiO0dob6lcGCQtKuXE+38vVNs6sQEYAeNcDJ7CIkr+jUnNeGlaGtS85fNBEpPcnZ8H0KXMuAc6ngYHZBktfNrJx... | 0 |
math | algebra-2 | classify-variation | true | false | Which equation shows inverse variation? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA6CAYAAABS36B3AAAFmElEQVR4nO3dXUgUexzG8e+4u4ae9aiweJBA8MJzKIKsIINkIwSJxNBCI3Jpe0FBiJCIggrpDYStbqISqasiNu2FsliQraiLLYRe9qbwhSwKnEPWhalsnt3mXGx6zkKpx/W/c8Z+HxjEmf8Mz+DDzOwyzmiGYRj6OPSPwecYRA2E+M/sGmTZoCgTfksHTf9iGN3DZscS80nJr2DvG4v/kp8Of/wSb50Q/9XnGPSMwuA49I5B2nA0vkBKJZKRZYt3CGAkBmmxfy0... | 0 |
math | grade-5 | points-lines-line-segments-rays-and-angles | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAyCAYAAABmk6zIAAACNUlEQVR4nO3cIXIiQRiG4T9b0bnAxIwkJ4jBYmIR6FwAjhIukBPEYuACwwVAxsAFyAEmasXWsmb3X7qq+3nkjPnkW109czeO4xgAAECKH6UHAABATQQ2AAAkEtgAAJBIYAMAQCKBDQAAiQQ2AAAkEtgAAJBIYAMAQCKBDQAAiZoO7Pf39+j7Pi6XS+kpAABUounAPhwOMZlM4uHhofQUAAAq0XRgD8MQz8/PpWcAAFCRZgP7dDrF+XyOp6en0lMAAKhIs4F9OBwiIpx... | [
"a ray",
"a line segment",
"a point",
"a line"
] | null | 2 |
math | grade-3 | select-figures-with-a-given-area | true | false | Which shape has an area of 5 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIYAAACGCAYAAAAYefKRAAACoElEQVR4nO3bvW5cVRSG4e+Mf4qQQEdIixQiQY8vAW6BiiuhIfcCFX1uAfcgGQMtTmsnlmI8OhQjSwh9oZy9pXmeakanWLt4tbq1rOu6Xt0lv98mN9vkfg0H6HhJnhwlzx8lT0+T5erdup5fj34WMzn7MDm+vN39eXaavPhgVw2H52abXLxN/rpLfrtNNtf3uw+iOGxPjnYNJMmbbbLZ/usDh+2hgb/XZDP2KcxKGFTCoBIGlTCohEElDCphUAmDShhUwqASBpU... | 1 |
math | kindergarten | compare-two-groups-of-coins-pennies-through-dimes | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlYAAACYCAYAAAAm2KfyAAByZ0lEQVR4nO3dd3gc53Xo/+/sbO8LLHonARIgQbCBvZNqVO+SZVtyleu1ndi/OLFy7UQpvjfXsX3tJM6V5ThWHNuSrEY1FlEUSbH3AhKN6G1RFtjeZ35/gDsmXCkJpCT7/TyPHpICiN05nJ0585ZzJFVV1aEktEchlIG0iiAIgiAIgnAZ9BI4ZKixQoERpKGEqh4OvttvSxAEQRAE4f1tmRP0bdHJPxQZYbZtMusSBEEQBEEQ/rBQBloiMJiE1ijogunJL4ikShA... | 0 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-20 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAXEklEQVR4nO3de1BU590H8O9ykyJXFVRSwoopGAyClwhoU7yM5h61RqqZTMTWmJj2tdGMY0zsRBNaTc1FJ3YysZmpsSmOigVjWkff1wg4QS4iaJXRNOqCZMGwIMhVWNn3j+NZFhBhl8M+5yzfzwyzyy6z+X0D7vPb5zznOTqLxWIBkQaVNwJL/w84/SNQuAiYFiy6Iscwh7owh7q4Sg4iGlrcRBdA5IjDBiAuXRp8tYw51IU51MVVchDR0MMGmzTnVhuw+H+BdZOA7Qm... | [
"9–7=2",
"9–8=1",
"11–6=5",
"9–6=3"
] | null | 3 |
math | kindergarten | flat-and-solid-shapes | true | false | Which shape is solid? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAZWklEQVR4nO3de3Qb1Z0H8O+MnpZf8lOxk9h5NC8S7ASHTQIpoRDa5RVK2S7dHqDtaUtb9pSyPS1L6R97ek7LUthtu+WcPrLtaYEeWrbQFiiwhZDFIRSSYhI7D2JMHk4cO7ItW5Yt663ZP6QZWSNbVmRd3ZnR7/NHYtmj0ZXs38yde3/3N4IkSdKFMPDBNDAZA6ISCCGMmAWg0gSscgAuKyBcCEnSQR/vZhFSerZUAea+6cSDJiuwpjwRnYQQNiZjQK8fGAoD708... | 0 |
math | grade-3 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle scalene? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAkyElEQVR4nO3da1yVdb7+8WuxFrAQkfCQipmWhllRzEibKUzUyUOWM24dLCs1QLI8i0fwlJmaRxzbuu0gSirmkXLblOYQktthtMGREg+EUDamIeOZM6z/Awf/29FKZcF9A5/369UDlov7vvDFg6uf3/W9LQ6HwyEAAAAATuFidAAAAACgNqFgo8Y4d+6cXn75ZTVv3lynTp0yOg4AAMAN2YwOANyMNWvWKCoqSmfOnJEkHTx4UM2aNTM4FQAAwPU4wYapHTt2TJ07d9a... | [
"yes",
"no"
] | null | 1 |
math | grade-1 | select-three-dimensional-shapes | true | false | Which shape is a rectangular prism? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAAPoUlEQVR4nO3cbWwb933A8e/x4UiKpEk9UbYe08SyVHeO48SNnWJ1GqfNtm5Zh2IJhjZpMQxbsAEDigDbm20IhmEbhg17eLGi215s3dYXW1YMs7dhDjansYPNdu20UhLXsvwk65kSJT7zeMeHvaBIi5LiOIqOf0r6fQBD5unE/4n++n935JFauVwuz5lwIwupIhTKCGELlwZBJwy2QJcO2ly+XL6UVL1ZYrc5tgdc49nKjX06DPkrZQphh1QRxjIwa8L1LDiShco... | 1 |
math | algebra-2 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlBUlEQVR4nO39fXxU9b3v/b8nM5N7QkICCQYSRIQWJCiKFoSq1arV1hZ6g+3Z7XYf995171p7ej1+Paenj+6evXt5+evvdLf7ao/t7unePdWeq4+rrVZtBQNFQaGhikQIJqIiQiBAbia3c79mZq3fHzgpgQCZsL6ZTPJ6/qOZzHrnw/rOrPnMyidrPI7jOAIAAADgirxsFwAAAABMJTTYAAAAgItosAEAAAAX0WADGKG2tla7d+8e/vrIkSOaPXu22tvbs1gVAAC5gwY... | [
"$\\{y \\mid y \\geq 9\\}$",
"$\\{y \\mid y>9\\}$",
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y \\geq 0\\}$"
] | null | 3 |
math | grade-4 | identify-faces-of-three-dimensional-figures | true | false | Which shape has a square as a face? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAZ0klEQVR4nO2deZAc113HP+/1HHtKqz2sG9k4siuOjbBjyRbgxIjgkCgmygWpVHA44kBV4A9DURzFUQUu7lSgCqogwpA4RyXlhBgcJY4BJVEgtiRHiYJzyJJKli1pJa1Wu9p7jn6PP3rundXO9E53z/T+Pn9oNN1v3vt1b/+6X//e9/2estbai1k4NQfTLuQtgiAEREJBvwPbe2B9CtTFjLVHpqI2SxBWH/esgcTJOe/LxhTc2ut5pyAIwTDtwolZGM3Ci3Ogp/L... | 0 |
science | grade-4 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Amphibians have moist skin and begin their lives in water.
Amphibians are cold-blooded. The body temperature of cold-blooded animals depends on their environment.
An American toad is an example of an amphibian. Select the amphibian below. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOzdebglVXno/+9aq6Y97zP3OT3PzTwrgqCAAxhFEVAhxihqEtGoeDGARg3iVW9QkxjBOMSI4BQcQEyMqKjMo9CMPdDd9HCGPvOea1pr/f440pdmRo+Jl199nqefp/fZtWuvqr1q77dWvestYa21aZpijCGTyWQymUwmk8n8v0lKieM4iCRJbBbcZzKZTCaTyWQy/++TUiKz4D6TyWQymUwmk3l+MMYg/6cbkclkMplMJpPJZOZPFuBnMplMJpPJZDLPI1m... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6cAAADMCAYAAACPx9V0AAEAAElEQVR4nOy9ebxkVX3u/f2ttfbeVWfukR5oaJkaEAyoJIhDAsYIxllQISZRjEkkRsWLF9QbvYqv8Q3GJEY0DjGiZHREzDWiMU6gIkRRUAYBGbrp+Zw+59Sw915r/d4/1q7qbsZG28TrW08+x+ZU1dm1p6rsZz/P73lEVdV7T4yREUYYYYQRRhhhhBFGGOH/ThhjcM5xzTxsGIdJ+9+9RiOMcP9YCHBTB+6pYImDJ8ykx82ImI4wwggjjDDCCCOMMML//Ygx4r0... | 0 |
math | grade-8 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 10 numbers: How would the median change if the number 21 replaced one of the 51's in the set? | "iVBORw0KGgoAAAANSUhEUgAAAYkAAAAkCAYAAAB8KMY5AAALgklEQVR4nO3deXRU1R3A8e8syWRPyAbJBBCyBwgQIYK4sQVBVHArFtdWqz3a49b26B/V9pza41/12NqWehSrRUGr1oKsgoRFAoEAIRCzQBLIhGD2hSyzvv4xycBAxszImwTN7/Mf990z78e7977fe+/e96JRFEUBsNmgtxccDkBBCCHESKMBrRaCgkCv7ytSFEUx94LZPLyxCSGEuHoYDGAIAr3dJglCCCGEO7MZdHrQSoIQQggxEIsZtHb7cIchhBDiamS3g1aRSWo... | [
"decrease",
"increase",
"no change"
] | null | 2 |
math | grade-8 | base-plans | true | true | What does this object's base plan look like? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEUCAYAAAAREUFXAABjnklEQVR4nO3dfVxU95k3/g9Bg6Jmxobci5rKcEe7sHcThqgbve8Cg2mUpO3PQbLGNjUMsTZakzCTtS0+NAwpKt1kM4NZo5tGGTTZataESd2kmGg4AXdDfGKsbmCVLAcNwaw2GQUFlYffH8M5AiLycGbOnPHz/qtMgflSklevc3F9r09YZ2dnJ4iIiIiISBG3qX0AIiIiIqJQwgKbiIiIiEhBLLCJiIiIiBTEApuIiIiISEEssGnYvF4vsrKyEBYWhry8PHi9XrWPRER... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA8gAAAEUCAYAAAD3MR9/AACAbUlEQVR4nO39f3zThbn//z9qi0ABE2Z5r4ijyRvY2n2mpCITdixNRaX+2JcWPMA2samMCUNt4nFn/JpNHT/q9G1SNoTjhKag5wCijWO6gmBftmwWERrEY1HqmqJYHKiRAi3QH98/Ql4WKFCatK+kXPfb7dxcM2iurnJuPHtdr+uKam1tbUUIIYQQQggRElFRUVqXIITopKu0LkAIIYQQQgghhAgHEpCFEEIIIYQQQggkIAshhBBCCCGEEIAEZCGEEEIIIYQQApC... | 0 |
math | calculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the right at x= – 8? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB45UlEQVR4nO3deXxU9b0//tc5s2VfSEKCgQSQRQNJIBCQTbEgWlErqBfbX2vttfba1nr1Wu/122pbl3Jt1fbWqm299Va7V+pWxYAgKJgoS4BAAkIIZAOyTDJJZj/r748hKRGQBM6HyZDX8/Hw0WaS88qbc2bOvObkzBnJNE0TRERERERkCTnaAxARERERXUhYsImIiIiILMSCTURERERkIRZsIupnw4YNGDt2LJYuXQoAuP766/H666+f8mdVVcVll12Gjz/++HyOSER... | [
"no",
"yes"
] | null | 1 |
science | grade-3 | natural-resources | true | false | Which of these pictures shows a natural resource? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAD690lEQVR4nOz9+ZNlSXbfB37c/S5vjRd7ZESutXd1dwHd6G4QIIAWxeEyMBE0QTQuP4BmQ9EMf8uMjdlobH6gmWxkMs3YSCZKQ0EQBJIDECABAugGeu/q2iurcs+MPeLtd3H3+cGv33ffy8g9ozIr6520yLffxe+933v8nO/5HvG9Y2vfaEJbMbe5zW1uc3uK1tPwwQBup7AUwK8uuvflHHTnNre5ze10rK3gjaZ73teT9+UcdOc2t7nN7fTMY2xmJ+8FJ33xw3f... | 3 |
math | grade-5 | identify-three-dimensional-figures | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEoCAYAAABiqYaBAAAfyUlEQVR4nO3df1Db953n8ZewAPFDSLEAYxtsTAE7e/Yaamdb8sNx4p02SZOrs3ON29vdqbvXXtK73W2yudve9C7T7Wwm7XTabra9brY319aZ3l7i7F3sJtn4ejc48e+2wWuISYwB29iAwSBhSfySQMD9gSVLIDvC/ggheD7+sfkixCdOZvLk7c/387VMTU1NCQAAAIARGaleAAAAALCYENgAAACAQQQ2AAAAYBCBDQAAABhEYAMAAAAGEdgAAACAQQQ2AAAAYBCBDQA... | [
"cylinder",
"rectangular prism"
] | null | 0 |
science | grade-2 | identify-animals-with-and-without-backbones | true | false | Select the animal that has a backbone. Hint: Mammals, birds, fish, reptiles, and amphibians all have backbones. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9Z6xu+3beh/3+bba3rr52O/ucffq55dx7yUuRlzSlyyaKoqzqyBIiRBaQxM6HIAHsIEiAAIG/5EMQJAiCWDYixYILJNAxY8kqlEkpbGK5vPX0fnZbfb11tn/Nh7kulQBUQON8cQBOYGHv9WJh73fNd8zxH+MZz/MM8burlF4ewUTxR9cfXf+dvDYB3q3hxMKOhh+bD6/LPwrcP7r+u35NFLw8Gv6+Df/ydflHgftH1/8/XN+PU5f+5Wv6D/rBO0c... | 0 |
math | algebra-1 | special-right-triangles | false | true | Find s. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACNCAYAAACNDw1oAAAcQElEQVR4nO3de3TU9b3u8Wcyk8w0F0IygVxdBLJIYGMBuchFLgl6elDxggYEhNajpbW29UKpp1Kt2lLaShdqT7eLqhwV3QgWuo9Ktd0oAYlcBOQiuiEBq5Ir5J6QzCQzmfNHSEgUAiQz85vMvF//DJLJbz6jrOXDL898viaPx+MRAAAAAK8IM3oAAAAAIJgQsAEAAAAvImADAAAAXkTABgAAALyIgA0AAAB4EQEbAAAA8CICNgAAAOBFBGwAAADAiyxGDwD0ZWdctap... | [
"3 meters",
"12 meters",
"$2 \\sqrt{3}$ meters",
"$3 \\sqrt{3}$ meters"
] | null | 0 |
math | algebra-1 | identify-linear-functions-from-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAGzklEQVR4nO2cf0iTaxTHv22lST+QaLKxgmnm9I8pWWBRw7IoCEaRJsnCLGogUQRhRPZDgiAtqUU4g5RsreA2aIOu6A0UCcHAKCrEwGpgMLf8EWs1dW3n/nFpMLpeczvvzMvzgf3heeGcsw/v+0ze5/Dgjz/baS4wV/qUQcCKEMqMEMqMEMqMEMqMEMqMEMqMpEJDoRCuXr2K9PR0NDc3S1mKhfHxcej1eqxfvz7mHPMZ+4nC6/Xi+PHjGB4ehlwul6oMK9evX4fb7cb... | [
"linear",
"nonlinear"
] | null | 1 |
math | pre-k | fewer-more-and-same | false | true | Are there fewer snails than leaves? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABRpUlEQVR4nO3dd2DdZ33v8ffv7CHpaG/JGt4rHtmDTMgGAikkhDACoZTR9JYGuIXb3kIDlFFoSSmXNi2bBJpAEkLCTEKC48Qr3lOybGuPc7TOPuf33D9ky5YlOx6yZMWfV/+gOuc3nt/5/vPJ4+/veSxjjEFERERERCaFY7oHICIiIiLyeqKALSIiIiIyiRSwRUREREQmkQK2iIiIiMgkUsAWEREREZlECtgiIiIiIpNIAVtEREREZBIpYIuIiIiITCIFbBERERGRSaS... | [
"yes",
"no"
] | null | 1 |
math | grade-8 | nets-of-three-dimensional-figures | true | true | Which net will make this figure? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAARSElEQVR4nO2dfVSTV57HPyCiKDapWqW0EtzFCjpKrMWprVNe7LbSPVWrdK3OUmDO8bSrOyW47bEvVsC2U5njNLG72trOCCpTa7dKqmcLu1YTXEe7qJPYriBT9iTgoFCoiYIBqfrsH/F55CUJIeQN6+cc/oHc57nhm/u99/e7v9wnRBAEgTsEDaGB7sAdenJHkCDjjiBBxh1Bgow7ggQZdwQZIF9++SV79uzx2fXDfHbl24TKykqMRiMHDx7k0KFDdHZ2AjB16lSUSqX... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUIAAADlCAYAAAAmw/5+AAAjuUlEQVR4nO3dfXRU9b3v8XcwEJDgjAoS0Dy1gIQWExVoldxOAG8LdmkmQq8PXcjkrMVJrrjMjNdecqxKUmslZ3mboRWUeo6ZqBXby8Og6wg9FjLxBmx5MEM5JTx1ZUhEg0HZgZAHEuT+MexNEpKQZB72ZM/3tZZrVkIy+7fNyie/796/33fHAJcQEePSpUs0XIDjLXDuInTKT0eIoIuNgXHXwdTrYeIoiEGCMKI0tF9iz1m9RyFE9PjeDRCr9yBEd8da/K+TRsH... | 1 |
math | algebra-2 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $9 x^{2}+15 x+6=(3 x+3)(3 x+2) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAXIAAAFVCAYAAADyjWSHAAAaD0lEQVR4nO3da2xU57n28ctzMIdxbBMP4BO1YyCcKZgQKkpTmoAgpLSioR+o0iC10VaqELIrZStF7Eg9KfnUdLdVK6HuUKlVhJJA0uZMHCoCLTQbZwwO2BDAxbWxHRgKdj04xp613g8OfjEBB888w+oz6//7Qr2M5751ibn8eM3EzXFd1+24JJ24KP0rKfW7AgD8GwvlSLcEpaljpYm5Uk5Hr+v+X5fXawEAUrEoXwodvzjwQUmuNC0y0PIAgH9f/0pKxxJS+yX... | 0 |
math | pre-k | inside-and-outside | true | false | Which picture shows the grapes Created with Snap inside the refrigerator? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOQAAAC/CAYAAADuHnC5AABV1ElEQVR4nO29d5AsyZ3f98mq9n689zPPv32L9QssgDXYBXB3PBx4h+MdeTyR0lEKUhFiiAz9o5CCfzFEUkGRcUGR4p0k6mhA8OBxB49dAIvdxTrsvt193o/3pr2tSv1RXd3VPW1netx7830xr7ursjKzqvKX+cufFVJKuZSBWwmIapCTHOMYx9gn2AT4VZjyQI8DxFJayrcjB92tYxzjGE8GwHYzYfzoc8BJr0GtxzjGMfYHUQ2ux2ExAzcSoERyxoljYjzGMfY... | 1 |
math | grade-2 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAANTUlEQVR4nO2dXWxT5xnH/yc5xHZcQz4WLzbt7BDWQgkjQU0HSGvdZKpUprJulSaV3gBpNamVBpN208KkVGrhqhcgMe2CQK6gFxNUpAKtEqnai4SUClyRNqGDGNPmg5MuMbiOT8Kxzy5cZ6GJk/d8+Hz4PD8pQjLved43J+fv9+v/Pod79tln5UgkAj349NNPIcsyKJ76eJ988okuscwmEolY+j47LR4fiUTQ2dmpS8B33nkHsixTPA3xSgV6rqwVr0yXSARBWBoSOkE... | [
"slide",
"flip",
"turn"
] | null | 0 |
math | grade-3 | select-figures-with-a-given-area | true | false | Which shape has an area of 10 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAACkCAYAAADFTPF2AAADRUlEQVR4nO3cMW5cVRiA0TP2OEVwgAKBWAC4ok4Zi55NsAmvgU2wCOiJadNSmdBjBEVkO5ZiZvQoHpZQEKTK3KfMdxp7NMW978399Hd3NU3TdHnHL7dcb9lMknfeesWjQz57yCcPWF2+mqZnV6O3lYzz+H3Wz2/nD58+4OS9uZLkXXe95eIlv97x8y0HV5v5iyLIPnl0OJ95uNlysP3HF8k+uT/zf04cjN1KsgyFkCiEBIWQoBASFEKCQkhQCAkKIUEhJCiEBIW... | 0 |
math | pre-k | represent-numbers-up-to-10 | true | false | Which group has 10 squares? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAE00lEQVR4nO3dPWqcVxSA4TP6KxzbVUjIApKUKr2KLMmVdpTswp1Lx+6jYFeSLbCi4UsxGFQYVeL9NNLzNDPDNAcuvJziwt0sy7KcX898uJq53M7cLANwL442My8OZ359NvPzyczm/OuyvLlYeyzgsXv1cubo/dXuxy8nM7//sKsRwH243M68+zLzz/XM31czBxc3uz/EBrhvLw53bZmZ+bydOdje+gPgvn1ry3/LzMG6owBPieAAGcEBMoIDZAQHyAgOkBEcICM... | 1 |
math | grade-3 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACKCAYAAACQCj3QAAAauklEQVR4nO3de1jVZbr/8Q+wEFihiJGIO5TEROVk2zKai5lynKjGdoE51G8741YzKw9pM46hOWmTloLbc2VOSseZPIxoaVudzEjGMMOQBZZJSYICigLK+bDW7w8H0gHLw4IFX96v6+Kya63vWs+9dP3x4e753o+TzWazCQAAAIBdODu6AAAAAMBICNgAAACAHRGwAQAAADsiYAMAAAB2RMAGAAAA7IiADQAAANgRARsAAACwIwI2AAAAYEcEbAAAAMCOCNgAAACAHRG... | [
"acute",
"right",
"obtuse"
] | null | 2 |
math | grade-7 | apply-multiplication-and-division-rules | false | true | The number line shows an unknown number, a. Is – 5a positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGPElEQVR4nO3d32tTaQLG8eek5sekaq0dXarTbhmYH4iDo9bYijt07gacwrarOO6AFARBEbz0HyiCN17poIwX4kCpF1sZZFhYGGajc5GkpjbTYl1kaTaFou1WZ5wmTXJasxelwWLb1DXJm2O/n6ueN+figRPow5v3fY+Vy+VyAgAH6enpkWVZOnbsmOkoKBOeOQAnWWc6AAC8rrGxMdMRUGY8cwBOsuqCbdu2otGowuGwtm7dyiwCChoaTGk4ltKTx7Z8PpdqNlXpk0/... | [
"positive",
"negative"
] | null | 0 |
math | grade-3 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater area? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJMAAACgCAYAAAAIC14WAAAGmUlEQVR4nO3d30vU+R7H8ddXR7NdPevUTuOEQmTnSL9AUJBIKi0wC5Gpi6km2C6i8mIK4njTRVRQEOxVF9FNxl6IBdGF2y/CDOwi2ugP2LM1/XKwk0uausY6jt9zMSd3Xd1dy7fNjD4fMMx8/XxneA8+/TjKwDiu67qvR6Qnw9JgQhp1BUyLx5EKsqV/fiH5cyXn9a+u+8NAqsdCpqv6h+T5aTh5EMiVyr5MlgZMx2BC+vEXqWdE+s+wlDUwmlwgJHysguxkN5I... | 1 |
math | calculus | identify-functions | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAOJklEQVR4nO3df0zTdx7H8VfxPAo4bTT8WPYrToT+sbMlslwJiVH/cd1kC1vmliWaLJmJJOd/7N/pZXMxGfeXOrJ/Fgf/TLPsSDTBi4n4j2tdJBQlu3I7J84/hnjOoodUPez9QdpZ2invUui38Hz8M22/fPxEu2e+3/YLb1cikUgIAAxKCr0BAMWHcAAwIxwAzAgHADPCgazi8bji8XihtwGHIhzIKhKJKBKJFHobcCjCgaxCoZDC4fDvPn/48GEFg0Fdu3ZNknT//n2... | [
"no",
"yes"
] | null | 1 |
math | grade-4 | compare-fractions-using-models | false | true | Which fraction is less? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAA0XklEQVR4nO3df1RU95038DeOdkFyMkOTFMxpOuCYupsnMqNn2x4tylCjadO1DLTGpFVnCLhR20RQzGKaLLDJhrYYmdgfiQ1HBrWnGJ+FIfHZJLLREVjT3Zw8/ErbtIV4Z/ekSHuecN2jxZqp9/ljvNdBQWfg/hp8v87xNAwz936G+fTw4Xs/9/NNkSRJAhERERERqWKW0QEQEREREc0kLLCJiIiIiFTEApuIiIiISEUssImIiIiIVMQCO8bx48fx+OOPIz09HXfccYf... | [
"neither; they are equal",
"5/12",
"1/6"
] | null | 2 |
math | grade-3 | identify-faces-of-three-dimensional-shapes | false | true | Does this shape have a triangle as a face? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAENCAYAAAA1yBIEAAA4jElEQVR4nO3de4yld33n+fdzOc/znEtVX6qqq6vvtjG4fWl3t7GJiARaabITFM2wmdGSPyZEWmkDo80mSLBJwEYYFuNMSII0jIh2Emm1s5tkNQFiTMIlYchsPAGDjdvgC+24wX2/VNep67k957n99o+nynTbfanuPnWun5cIDt2nzvm53CV/zvd8v9+fZYwxiIiIiIhIR9i9PoCIiIiIyDBRwBYRERER6SAFbBERERGRDlLAFhERERHpIAVsEREREZEOUsAWEREREek... | [
"yes",
"no"
] | null | 0 |
math | grade-6 | quadrants | true | true | Which shape is in Quadrant II? | "iVBORw0KGgoAAAANSUhEUgAAAfkAAAH8CAYAAADSe9ZXAAA3+0lEQVR4nO3df3DU9YH/8dduloQk5BcESIIhSgVUjCggPw2VIj0UD38yDl/7w9HrHJ3p4PScznhcr9NzKmfnxlap9a7cdaR39dqRweuVgocgQkxEDAgECAhUQzAkJCG/2exu9sf3Dy85QhLYDfnsZz/vPB8znel+svv5vHj72c9rPz/2s65IJBIRAAAwjtvuAAAAwBqUPAAAhqLkAQAwFCUPAIChKHkA+t3vfqfy8vLex8FgUD/5yU/k9XptTAXgelHygOE2bdqkTZs... | null | [
"iVBORw0KGgoAAAANSUhEUgAAApcAAAH8CAYAAACEt4SVAAA92klEQVR4nO3df3CU9YHH8c9uNgn5TSBAEgxRKkTFiALyOxSK9FAs/mQczv5w9DpHZzo4PaczHtfr9JzK2bmxVWq9K3cd6V29dmTweqXgIYgQg4gBgQABA9UQDAlJyK9NNrub/XF/0E0JIbAbnifPPpv3a6ajebL73Y9Pn93nk+/zYx3hcDgsAACQcBwOh9URMAI5rQ4AAACAxEG5BAAAgGEolwAAADAM5RIAAACGoVwC0G9/+1vt27ev7+dAIKAf//jH8ng8FqY... | 3 |
math | grade-2 | compare-vertices-edges-and-faces | true | false |
Which figure has fewer faces? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAAJ4UlEQVR4nO2daWwU5x2Hn13blBicQDhSrnUgAuymMeBQ+BICilJChJKIUCUSFAQVPaQeEpHVFkeoVMGoVWSVfmmkUoKUtlTFKA0hR9NIqULaUqUxPgQm8UG7WHUg2DSxsTFmd6cfliF/42vXO++87xzPF+Sd9ezI8/x/729nDyKWZVkXBqC1D3qSkLAI8TH5ESjKg4WFcNcEiFy4Zlnvd+s+rBAdrLwd8lv60j/MmgCLJ6XtCPEvPUn4qBc+HoDmPoh2J9IbwpM... | 0 |
math | grade-7 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD8CAYAAABNcdMMAAAkYklEQVR4nO3de5xdZX3v8e+z1tqXTCb3kNvkQkLQhqsIuRBAxFZQq8X2YGnBtloF9KVV66mlB62IFavH0xY5Wu3RHi+oPR459KB4LKilKCThEsI1QcyFJJDJ/TZJZvbea63n/DGTZ88ACTOZtfezL5/3P/yeh5m9voHMK9/sy7OMtdYKAAAAQCYC3wEAAACAVkLBBgAAADJEwQYAAAAyRMEGAAAAMkTBBgAAADJEwQYAAAAyRMEGAAAAMhT5DoA2Ud4lpQel5JDSuEd... | [
"yes",
"no"
] | null | 1 |
math | pre-k | fewer-more-and-same | false | true | Are there the same number of carrots and rabbits? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABItklEQVR4nO3dZ5hc2X3f+e+9lUNXV1fniG6gu4FGTpMTM4fkMAeTtLSWLImUZAWvLFle7eO1pbVkWdqlZWktS7K1MrUSJZEUJZIzQw7D5BlOwiBnNNA5V4fqyuGefVEYhAEwg8FUdwPdv8/zzMMH1ffeOqf/fPHDwbn/YxljDCIiIiIiUhH2Sg9ARERERGQ1UcAWEREREakgBWwRERERkQpSwBYRERERqSAFbBERERGRClLAFhERERGpIAVsEREREZEKUsAWEREREak... | [
"yes",
"no"
] | null | 1 |
math | grade-1 | comparing-review | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAgwAAABeCAYAAABPX0zaAAAGeElEQVR4nO3dz25c9RnH4Xfs8RgodgE1VM0CKiGaLhKlSI0QSIgriHoDUTftmgXdtleAegUtG9hmE3uH0gXbZBWoRFO6SBcNwa7aJCYJOLZPF4ObsTOZn8dz/rwDz7OJrcRH5+Nsvvp5PKdXVVV1azviH/cjtnYjdqoAAL7n+r2IlcWIV5+J+PEgonfrm6q6crfr2wIAsnp9NaL/+f3hJz8ZRJz6wXBNAADfb1u7EdfvRXyxHfH3+xELd3eGf2EsAAD7VhaH2yA... | 0 |
math | pre-k | fewer-and-more-compare-in-a-mixed-group | false | true | Are there fewer rectangles or circles? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAA2CAYAAAA273fRAAAGu0lEQVR4nO3dz0/bZhgH8G+TOK6duoYlaRgIUoHEoJV6KL3Sc/c/tDuy83btudf1vB63Xrdzz3Bte6hE00WCzV0LeHEGrhubNzZhB2NWSAI2+eXXPB8JIUUh/r6Sn0eOef2+Vw4PDw9BCCERpEYdgBDCH2ochJDIMoM+gFmxAACe7fkHlP1DqovKoA9NSOKNqr762jhYjcF4tQuzYqH+ajfU3+SXxqEuKigsjUMsiv2MQ0iixKm+rvTj5qi+ZkD77QOY0Tx+TcgIENI... | [
" rectangles",
" circles"
] | null | 1 |
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