Datasets:
stemdataset
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STEM

Dataset card Data Studio Files
xet
 Community
1
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-3
which-picture-shows-more
true
false
Which is more?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAlYAAAFmCAYAAACvN9QvAAEAAElEQVR4nOz9PYwkS5bvif3e24eFBYklzAACdKNUJhCEp+ZBgchYqWK0aFDJWqmSUmdr2VoVpVsjTV2JdbWb2mRLkyWxUiBxQ3tR0kYAFMK1dPADsNLcARIwwy753Ljch6FwzD8iq253z5veN6+LcYCqiPRwN3e3z2P/8z/n/Kt//Md//Mfuv4P/+7+D//bfw3//j5zlLGc5y1nOcpaznOXPkH/zr+C/+M/gf/E/gv/Zfw7/qvv//OM//p//m3/pxzrLWc5ylrO...
0
math
grade-2
cubes
true
false
Which shape is a cube?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAR3klEQVR4nO2dW4wcV1rH/6eqq+/TPb6MZ8ZZZmKyNrHRAo5DwmoVgwjSbhBIsDzwAoi3zePCYy5IaJ3dJ0A8WoIXlickggTabBay++AIBVk7E2kXZbSxIZ4x8fTYY8/09L2qqw4P1V2Xnh7Ppc/pOlX1/R7smqrTp05Xf3Xq/L/vnK8Y55zXTOBuG2jYQJ+DIJQjw4AZHbhYBOazAKv1OL+9F3WzCOLovFwBMnfa7h+LWeAXSq5VE4RqNGzgZy1g0wQ+bQPaXt8...
0
math
grade-3
identify-rhombuses
false
true
Is this quadrilateral a rhombus?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEPCAYAAAB4ALMPAAAf90lEQVR4nO3da3BV9f3v8c/eCRAgSiCJmoSbhKsIgoGIUkqxRY+2XqqnRdHa6pk5zjjjnPE88YH6RLzM6Iye+Z85PfM///nPqFUrVRS1VP3XSlVUSrgkcksKidxCMFEIEGVDkr3Pg8D/u7ZkJ/uy1l5r77xfT/x+yVq/9d199GlmZ31DsVgsJgAAAACuCPs9AAAAAJBPCNgAAACAiwjYAAAAgIsI2AAAAICLCNgAAACAiwjYAAAAgIsI2AAAAICLcidgR05I/7ZC+sN...
[ "yes", "no" ]
null
0
math
grade-3
parallel-perpendicular-and-intersecting-lines
false
true
Are these lines parallel?
"iVBORw0KGgoAAAANSUhEUgAAAGMAAABUCAYAAACWRImAAAALIklEQVR4nO2de1RU1R7HPwMIDAioVIq3paLR8moUlXrVloCRJmj5uGGCBoNammiihpqPxBfQ9UmmqVmg4SOhUEMvCSFm5usuxdRioQi4DNQr78FRYGbfP7yMQryCOcwA8/lr5pyz9++31neds/f5/fZvH5kQQmDEIDDRtwNGHmEUw4AwivEXKFQqiTgQS8qvFyTp30ySXlsZhUol87/8nD0pSZQ+uE/B/sOS2DGKUQdZt3OJOBjLVz8coVh1D4AhfZ3p0L69JPaMYtR...
[ "yes", "no" ]
null
1
math
pre-k
represent-numbers-with-pictures-up-to-3
true
false
Which shows 2?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAyyklEQVR4nO3deXRb9YHo8e+9kq4WS7JlW7Yl70u8JF6SOMRO2CEQKGFpOzO0ZSiH6XSZ6Zu2HHgzr+0sPS3tm3bog9LzOu89mNIy005hChRoSykEkhCyJ07iJY733bItWbJ2XS33/eEkbYY2MKcQBfv3+Ycm0rn++Ue/3Hule39X0jRN86gwFIVQGlIagiC8R/QS2HSwxgLFCkiehKYdCmZ7WIKw+nTYQT8YXf6DS4GGnOU6BUF4b4TScDoCsyoMREEOppZfEPE...
0
science
grade-7
predict-heat-flow-and-temperature-changes
true
false
Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAccklEQVR4nO3deXwc5Z3n8U9V391qHdYt2cbyKVs+8IUPMJgjJiGYI4QkkIFMkiXJTrLJsGEzIbvZ7GRmXhkySWYzk5kdApuEIcAQCMbm8AE+wMaWZUu+Lfk+dFi31Kf6rvmjpbZkyUax2tUt6/d+vfyyuvpR9VPd6m9X/ep5uhRN07TmEJz0gycKEQ0hhEgKowJOA0yzQ6EZlOagplW5U90tIcT1bkkmGE/44zeKzTDDEU8jIYRIBk8UjvngQgiO+0F1R+J3SNg...
2
math
pre-k
addition-sentences-up-to-5-what-does-the-model-show
false
true
Which addition sentence does the picture show?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAP+UlEQVR4nO3dS2xc130G8O+c+5gXhxxSIkXSqqyXJSOQZaWJU6AKZDhO3C5aOI8CrhdxF83CQYKkydKrLLNuNzXaRdGiSFCgLQqnQBpkFcRoi8B2oLSGHFm2LFuiOJTMEWeGM/dxzsliOHzoQWs49547nPv9AAHUaHjP+XAX85+jc/9HGGMMiIiIiIgoETLrCRARERERjRMW2ERERERECWKBTURERESUIBbYREREREQJYoFNRERERJQgFthERERERAligU1ERERElCA...
[ "2+3=5", "1+4=5" ]
null
0
math
kindergarten
count-sides-and-corners
true
false
Which shape has 3 sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHqUlEQVR4nO2dTWsVVxjH/zP3Tu5LNEZicxOVRM1LoQpaWnRbkC77EbqRfoB+CcFd1kJx04UbcRFwIUUoBFyIXUghaFWwLeXeoDXWxFtvkpvp4iairVVn5jzPeZn/bxfjzBzu+XGemX/OnSdK0zTtbAAPusBaH9hKQUhhqhGwtwLMNYHWEBB1eml667ntYZGQOTMCVO93Bz9MDgEfDw8sJKQoa33g3gugvQH80gXi51uDX1AyYpK9lYFTALDeB+L+a78gxCS7Tm2...
1
math
grade-6
similar-and-congruent-figures
false
true
How are these figures related?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAB4CAYAAADIUIXCAAAPRElEQVR4nO3dfVTVdYLH8c/lIiooKqIoPoxJcA0fJkmN0LK0TU8P1k7RZlJr5WqNikpm7SamYjVKJurouKQ1reimmatjHXNb3JOFohiWOcgl8SFU8AFURJ65d/9gx4eZprz6u/d3gffrHP4Cft/PuYc/PnDuh6/F6XQ6BQAAAMAQPmYHAAAAABoTCjYAAABgIAo2AAAAYCAKNgAAAGAgCjYAAABgIAo2AAAAYCAKNgAAAGAgCjYAAABgIAo2AAAAYCAKNgAAAGAgCjY...
[ "similar but not congruent", "congruent", "neither similar nor congruent" ]
null
0
math
grade-7
make-predictions-with-scatter-plots
false
true
Based on the scatter plot below, which is a better prediction for x when y = 26?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAkTklEQVR4nO3df3DU1f3v8VcSNizJEkKwyW4Sgl5AISgmpjabrxSblF9KMpS2VqgoCjpSa1uc1l7ujFrUaanVQvGromIF2j+qtZpaaFGoP6630yyOq1EggKAGSLLBkgXiEpJ1Ye8flv02JBuJnOxnd/N8/MV+zrrv98mM5DWHs+ekhMPhsAAAAAAYkWp1AwAAAEAyIWADAAAABhGwAQAAAIMI2AAAAIBBBGwAAADAIAI2AAAAYBABGwAAADAorgJ2Z2enOjs7rW4DAAA...
[ "58", "3" ]
null
0
math
grade-4
nets-of-three-dimensional-figures
true
true
Which net will make this figure?
"iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAQPklEQVR4nO2deVyU9b7H3wz7oiyyI2AkiKhRbugBU0MxyyU6mke7r4TwascWx1zgqNUYvo5ihXC9p0xE0Oxmmann1C3zmuAJlZICQwRRQ1bZh32f5/4xOYnJMsMAA8z79fIPmfktr/k8v+/z+y6/59ERBEFAi8Yg6u8JaGmPVhANQyuIhqEVRMPQCqJhaAXRMLSCaBhaQdTAxx9/zJw5c/jmm2963pmgRWXS09MFPz8/ARAAYeTIkT3uUyuIClRUVAhr165VCGFqoiu...
null
[ "iVBORw0KGgoAAAANSUhEUgAAASIAAADlCAYAAAD3JPoOAAAgzUlEQVR4nO3de1zUZd7/8RcDCMpZxAMeaEk8gKWdwG5NywPmraTuvabp73erq7X5a1VwU1xd81Aq2KaorWniqbUVtm3FQ5uKmZq2QlnoqqAIGZ4dUHQAHWSY3x/jkHhAYWb4znzn8/yHh8DMfK4HM2+/h+v6XC6AEWE3jEYjF8vhVBnoDFAhfx2hQm4u4OMKYY2gWQNwQYLIrlzUG8m8rnQVQtSfKF9wU7oIUV1umelriwbQ3sv0v4YQaqMzwIlSuFAOJ8tAo3R...
0
engineer
grade-6
evaluate-tests-of-engineering-design-solutions
false
true
Which of the following could Lorenzo's test show? Lorenzo was a mechanical engineer who was designing a weather station to record temperature, precipitation, and wind speed. The weather station would be used in a town where the highest recorded temperature was 40°C. Lorenzo wanted to make sure the weather station would...
"iVBORw0KGgoAAAANSUhEUgAAAUwAAAE3CAYAAADBi3hdAAEAAElEQVR4nOz9aZBl6Xnfif3e5Wx3v7lXZe1LV/XeDTQaYAMkSEBcJJHiMEYSOQpJtuyYsMKKsT3zxRH22JLDE4qxxzETDtszGlGS9cEeSyJFjUiCAIiFAEisDfS+VHV17ZVVud/93rO97+sP52RWVnV3VQPZhapG5z+i4uatzLOf85xn+T//R/yDf/APHHvYwx728CHCf/1f/9f3Zbsa4M+Xf2lXK7Hizr937s42WYi7rGCXuNv67/bGuOvyuzy+e338d4MQapfL7/b...
[ "how well the weather station would work when it was windy", "if the weather station would work when the temperature was 50°C" ]
null
1
math
grade-6
rotational-symmetry-amount-of-rotation
false
true
This image has rotational symmetry. What is the smallest fraction of a full turn you need to rotate the image for it to look the same?
"iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAyzUlEQVR4nO2deXwc6Vnnf2+dfV+6JZ+SD9mSLM+MMzOZ3SSTIQECyZIEmADJwkKA8AE2EI5PsjPjQYw9k2HDsZtdCAkhkGvJAWwWEmA2ySQZNiSTeGYsy7J8yZZly7r7Pup+94/2oVZ3q6taVd0tu77/2JbrrXrV/f7qfd/nfQ7AxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxcXFxaUypNkduJO5MLYnJHG...
[ "1\n9\n of a full turn", "1\n15\n of a full turn", "1\n12\n of a full turn", "1\n11\n of a full turn" ]
null
2
math
grade-8
similar-and-congruent-figures
false
true
Are these shapes congruent?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEeCAYAAACwimIxAABIkUlEQVR4nO3deVxVdeL/8ddlR0BAUDEUNE2TXEadLCsbtbRFUHFBBdzQalLTmsw1FRfcMstMK0tccSF3tMay9FeWaZNOqJQrapIooqCyw72/P/iOM6Yp6oXD8n4+Hjy4nHvO577PQ7m+PfdzzjFZLBYLIiIiIiJiFTZGBxARERERKU9UsEVERERErEgFW0RERETEilSwRURErCw4OJh33333umUFBQU4Oztz8uRJQzKJSMlRwRYREbGy+Ph4GjdufN2yw4cPY29vj7+...
[ "no", "yes" ]
null
0
math
grade-6
understanding-percents-strip-models
true
false
Which model shows 66 2 3 %?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAU8AAABLCAYAAADwKwVQAAACO0lEQVR4nO3XT2oTcRzG4XeStIva6kYUD6AeoSdwU/AQ3kDoOQrewDtY6MYb9Aa17q3oqmkDrQ0/F0PwDxaaLy2TyvNskmFm4F19+E3XWmsnl8nnWTKdJ1ctAPxl0iVb4+T5RvJ0PelOLlo7PB16FsD9sf0wmRzP+otn68nLB31ZAfjTdJ4cnSdfLpNPs2R0etXfEE6A622N+04mydk8Gc1/uwHA9Rad/NGS0bBTAO4n8QQoEE+AAvEEKBBPgALxBCgQT4CCybI...
1
science
grade-8
use-punnett-squares-to-calculate-ratios-of-offspring-types
false
true
In a group of Nile tilapia fish, some individuals have a greenish-brown body and others have a pink body. In this group, the gene for the body color trait has two alleles. The allele for a greenish-brown body (B) is dominant over the allele for a pink body (b). This Punnett square shows a cross between two Nile tilapia...
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAAWzklEQVR4nO3de5CeVZ0n8G9f0p1OdzoJCUlIQggQAsNFDAQFQVFuFiswMgtUjbIzo+yiY1bdqhl3dbbWLWVXsGQcpdCdnRV3WSzHGkYcHShHppQI5YIYgiATIHIJAQIh126S9P1994+WTmKSTjDd6X5Pfz5VqTz9PM/7nNP5/fPNec85T121Wq0GAAAoQv1YdwAAABg5Aj4AABREwAcAgIII+AAAUBABHwAACiLgAwBAQQR8AAAoiIAPAAAFEfABAKAgAj4AABSkcaw...
[ "2:2", "3:1", "1:3", "0:4" ]
null
3
math
grade-6
model-and-solve-equations-using-algebra-tiles
true
false
Which set of algebra tiles represents the equation 2x=4?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAKEAAAB6CAYAAADXqDNaAAAGBklEQVR4nO3dX2hTdxjG8eeck/RftFUW26Y6y1rnP9iYLaJju9mgYAfCQBF3uSsHm7sqjIH3s16M3gzHwCEyNthoB3qTtYxuhlHrsG5OK9U1WzNtapI1miatTXPO2UVsVFi3JOaXt+Y8H5AS29M36tc055C+1WzbtmfSwO/zwJwJZGwQKeXSgLUG8Hwd0FQFaDOLtn0xIX23yKn21AOum/PZG74qYJsnWyiRSnMmMJECwmngxjygJzLZdzBAKpe1RrY3AEiagG4...
3
math
grade-2
read-a-thermometer
false
true
What is the temperature?
"iVBORw0KGgoAAAANSUhEUgAAALkAAAEOCAYAAADVFbYlAAAPvklEQVR4nO3d33Hiyp8F8MPWvt+eDWDdbAIWvwSQIkBEgIgAEwEQgUwEgqfdN3ACK1G1+3rpSWAREaAIfr0PWBqwsWfA/PO3z6fKZY9nbPe9dWg3Uh+6Zq21IBLsX249AKJLY8hJPIacxGPISTyGnMRjyEk8hpzEY8hJvH+91Dc2xmA+n2OxWMAYg6Io3v0brTU8z0Oz2UQYhtBaX2o45LDaOe94FkWByWSC8XiMPM+P/nrf99HpdBBF0bmGRHS+kM/nc3S73b0ZW2s...
[ "10°F", "5°F", "15°F", "20°F" ]
null
3
math
grade-5
compare-fractions-and-mixed-numbers
false
true
Which number is greater than the one shown?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAADXElEQVR4nO3asW3bYBCG4aOg3iskfZINNIEA9+4zRADVAjJEevcGNIE2SAbIDJngT2EbSCOLxRcdYT5PR7C4A655QXAaY4wCAAAitlVV3378rF+//3TvsmqfP97V969fLr53o35utHzXbgQAt7CpKlGwANdu4Eb93Gj53ACAJdj++/Bwv2tZ4vHpbP5M3Tuuff4c3Tt2zz8de+bvD/NvBAD/06Z7AQAAeE8ENgAABAlsAAAIEtgAABAksAEAIEhgAwBAkMAGAIAggQ0...
[ "3+1/9", "2+6/9", "2+5/9", "1+3/9" ]
null
0
math
kindergarten
count-sides
true
false
Which shape has 5 sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAE2UlEQVR4nO3dW2tcVRjG8Wcmh4va1jsPV17VfgGh935JRYoKUkERiyIiXgSr1WCIx9SapCUQQnCEgZSZ6dBMZrK8WEYiNnUOe717v2v9fxBoCJPZF382yXTlmVYIIXRG0sOh1J9I4yBgYcst6cqSdO2S9OKq1Ooch7DRq/uykLMbV6XlB8P4ycur0vXnYoXAovoTaeex9MdI2h1K7d44foHIUKUrS7EpSRpMpPbk3BeAKp01dRKkdr2XglIQGkwQGkwQGkwQGkw...
1
math
grade-4
identify-parallelograms
false
true
Is this quadrilateral a parallelogram?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAm8UlEQVR4nO3d53Nb973n8Q8KQQCkSEosEqlidVFWL1R1rpNcX8dO7CR27MhNjkvm3t3ZvTO7szuzs7P/wD7auY/ubLmxnFguih2XxHacMokdW7JkqlG9Up2U2EmRAAgC5+wD2DiABKqCPDgH79cjAENKP1t48MHB93w/HtM0TQEAAADIC6/dBwAAAADchIANAAAA5BEBGwAAAMgjAjYAAACQRwRsAAAAII8I2AAAAEAeEbABAACAPCJgF5nP/3pVv/jfXerqTNh9FAA...
[ "yes", "no" ]
null
0
math
grade-4
transportation-schedules
false
true
Look at the following schedule: How long does it take to get from Cliff View to Rocky Port?
"iVBORw0KGgoAAAANSUhEUgAAAcYAAAEkCAYAAAC17pGgAADHLElEQVR4nOydd1hUx9eA36WDAoK9goAiil0RERVELKgooqhgbzHW2GKPNRpbjD2WKFZABAugCBYQC1gRNTbsDTtSLLT9/kBWVnZhsSQ/8837PPd5uDNnzj0ze+490+5F0nhklBSBQCAQCAQAaABM62/7b9shEAgEAsG/zuwN0aj920YIBAKBQPC/hAiMAoFAIBDkQgRGgUAgEAhyIQKjQCAQCAS5EIFRIBAIBIJciMAoEAgEAkEuRGAUCAQCgSAXIjAKvgvuxF/CpY6...
[ "1 hour and 30 minutes", "1 hour and 45 minutes", "45 minutes", "1 hour" ]
null
1
math
algebra-1
perimeter-area-and-volume-changes-in-scale
false
true
Look at this rectangle: If both dimensions are doubled, then which of the following statements about its perimeter will be true?
"iVBORw0KGgoAAAANSUhEUgAAAB4AAAAOCAYAAAA45qw5AAABR0lEQVR4nOWUMYrCQBiFn8ZASISYLgQ7GxOE9AELT2AdjyCCrZAL6BG8gF0gKdOFiClFsPEAUWyCnVbhbbEQdldhs7CuxT4YmBk++OCfx9RIEi9I/RXSUhyGIbrdLlRVRb/fx+FweL45yzKqqso0TVkUBT3P42Aw4LODLMvo+355sd1u2W6378Ddbkfbtjmbzeg4Dk3TZBzHHA6HtCyL4/H4Rxy+ChaLBUej0Z14v99TEARuNhuSpOu67PV6vN1uvF6vbDabPJ1Olbn...
[ "The new perimeter will be 2 times the old perimeter.", "The new perimeter will be 3 times the old perimeter.", "The new perimeter will be\n1\n2\nof the old perimeter.", "The new perimeter will be 4 times the old perimeter." ]
null
0
math
kindergarten
compare-sides-and-corners
true
false
Which shape has more sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAHsklEQVR4nO3d32uTVxzH8W/a6oXT7W5jg7Ert5tdDYZ/8UQtlIKrIKUgRS9MYwNtCXWZtUyaOgiBGFMS97TPLs46W22bX895vud8z/sFgtqaZvo21sfnfFbJ8zx/+0HkzyOR3rFIlgsQrYWKyK15kds3RL65LlJ5O8zz6jvtpwUU786XIgvNI/eNb6+L/PSFqx+IVe9Y5GVf5PCDyB9HInPvMvcG4oYFt+ZdyyIi749F5o7PvAGw4LTlf3KROd2nAvhF4DCNwGE...
1
math
grade-5
three-dimensional-figures-viewed-from-different-perspectives
true
true
If you look at this object from the top, what will you see?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAA6s0lEQVR4nO3de1zUddo//hdyUDmOK6K7pIN6t6IbikKlaQr9xFXr+2XSrXSVH4cys7UAN9G6NcagTbEc2PXWzARcMPPe0GG3lVZMJstVQ2E8LIdt00GdkoM5DjAGCHz/GOeTIuIAnznh6/nXgsx8Llx7PF68ud7X5dTe3t4OIiIiIiISRT9bF0BERERE1JcwYBMRERERiYgBm4iIiIhIRAzYREREREQiYsC2gp07d2LQoEEIDw+HWq22dTlEREREZEEM2BakVqsRHh6...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA6AAAADSCAYAAABUx63mAABCeUlEQVR4nO3dfVzVhf3//wcCmiAXTrzYSEH9NtENxYtKuxDop06r/SDdKqf+BJofq1mAK7SmcQy2JW0e2Pxm5hT8oFmfZcJWamJx0kwNU7Qm8GkpXpwSwUQQShD5/XE8Z5qgCIdzDvq8327emhec88Lh7ebT1+v9erk1NjY2IiIiIiIiduHm5ubsEkRcVidnFyAiIiIiIiI3BwVQERERERERcQgFUBEREREREXEIBVARERERERFxCAVQB1i9ejXdu3cnMjKSwsJ...
0
math
algebra-2
factor-quadratics-using-algebra-tiles
true
false
Which area model represents the factorization $9 x^{2}+9 x+2=(3 x+1)(3 x+2) ?$
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAVUAAAFyCAYAAABFpUmgAAAZC0lEQVR4nO3df2xV9f3H8dc9t7XAhbaRFixQfrQowgALlRnBTTFWMsUsEdw0m24m28yCydwyTcz4Z/tjRpL5I1mY8xtdtkzYTHBGBhOKOqbOMExLWIA5pNLZcqG9/LiF20J7z7nfPwoNrdif7+vn/ng+/sF7iPfz5pWb1/2ce257QqlUKnW8W/q4UzrrS8mUAADDVBCSJoWlaydIU6+SQscvpFL/6nA9FgBkv5uKpYLDnb0PKq6S5kV6GxcAMDxnfemjhBTtlv7...
3
math
grade-8
compare-linear-functions-graphs-and-equations
false
true
Function A and Function B are linear functions. Which statement is true?
"iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABPZElEQVR4nO3de3yT9dk/8E+SJk2atrQUWg4t0OIKaAtFgRYVGSgC4lkOU6fIM2W/vcTTxGdue4bTeZ4Ot0fUofPsPDA2EPYoe1lAUCmMTbAqFCUptJSmUJq26Z1zvr8/WGJLD0l6383x8369fCG57165Eq58e+W+7jtRCSEEiIiIiBKEOtoJEBERESmJzQ0RERElFDY3RERElFBCam6GDBkClUrV63/79u0b4DRD9+qrr0KlUqGsrCzi9/3xxx8HnpNzzz034vdPROF...
[ "The y-value of Function A when x=1 is less than the y-value of Function B when x=1.", "The y-value of Function A when x=1 is greater than the y-value of Function B when x=1." ]
null
0
math
grade-2
select-three-dimensional-shapes
true
false
Which shape is a cone?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAYEUlEQVR4nO2dSXAb15nH/72jG01QBChxcRXpqpgaa5mDlhrZB8kXT02U5RCpKrkkuczBOWZydm7WNancRoecnKuXSspRpsaXUAcvpeUwIuWITpVIl7mIBCkAjQZ6fXN4fA2ABGk0NjaA96tSSQJJdBP966+/971NIISQTRf42gZKAeATcDiJQxaAMQlYMIApFRA2HUK+LJ70aXE4rXMtA8grNv3PjAr8S5pazeEkjVIA/KMMbLjAMxsQiz79ApeWk2TGJOooAFg...
1
math
algebra-2
solve-a-triangle
false
true
In solving this triangle, which law must you use first?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEWCAYAAABc2eBcAAAhBElEQVR4nO3dfXRU9b3v8c8kRCKZZKJEggEJDXWJRWUhDwoKVE8p4rVoLKIcRE+frdcq63q1VkTFc6S09am9FeuC1uNDtcVqiXLAh1oLmgwFkoJWURBLAiSACXmGBJLs+8cvOyEkIZNkZvae2e/XWqxxZybJj9XVyYed3+f781mWZQkAAABAWCQ4vQAAAAAgnhCwAQAAgDAiYAOAh2VnZ2vOnDldPnffffcpKSlJ9fX1UV4VAMQ2AjYAeFRZWZlKSko0ceLELp/ftGm...
[ "Law of Sines", "Law of Cosines" ]
null
0
math
grade-2
more-less-and-equally-likely
false
true
If you select a marble without looking, which color are you less likely to pick?
"iVBORw0KGgoAAAANSUhEUgAAAPoAAACnCAYAAAA4/EEUAABE50lEQVR4nO29eZQc1Xn3/7nVe0/PrpFGMxIjhDaEMEbCMRhbtnFsEcc+BuEAdn7YOG9OwLw5Jz9MfIwX4vwBxiS/eHnjY5PkxMR2bOxggnHIC9iBsEQGDAJjBJKMWCTNKs0+02tV3fv7495aejTau2ftL0fUVHV3dXXd+t7neb7Pc+8VSilFDTXUsKBhzfYF1FBDDdVHjeg11LAIEJ3tC6hh/iI7ZDN8oEBu1CE7YpMbcSjlXFKNMdJNEdLNMepaorR2pUhkIrN9uYs...
[ "purple", "black", "neither; black and purple are equally likely" ]
null
2
math
grade-1
more-less-and-equally-likely
false
true
If you select a marble without looking, which color are you less likely to pick?
"iVBORw0KGgoAAAANSUhEUgAAAOoAAACcCAYAAABx7zeSAABGTUlEQVR4nO29eZwc1Xnu/z1V3dOzrxo00oBHjCS0IMAgYbMOIAeQjQmWSFiM8RYnYK7vdQxxDMbEub6IJf7FS2xjbMf2DwgGAljI8Y2AGBskY9AyYROSAC1oGW2zb71WnXP/OKeWnhlJs49G6ucjfWqqu6equqae8y7nPe8jlFKKHHLI4aiGNdEXkEMOORwZOaLmkMMkQI6oOeQwCZAjag45TALkiJpDDpMAOaLmkMMkQGSiL2Ay4vnnn+fFF19k165d7Nmzh6amJpq...
[ "neither; black and blue are equally likely", "blue", "black" ]
null
2
math
grade-8
multiply-polynomials-using-algebra-tiles
true
false
Which area model represents the expression (2x+2)(x+3)?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAQAAAAEdCAYAAADjOrkjAAARD0lEQVR4nO3da2zUdb7H8c9cCi0tvUArpZQFWxRElwBdokTZ3ayiYIxmY7IJxsSYnAcm6y3EnASyuw/lHJO9eUI0Ju7G1V2z3k7YZNdC46JwUFy3U5BbEVuhtRfKYJnSUnuZ/5wH2Np2kW1n/u3f+X3fr2cd0vn+8qHzmf9M2vmG9nYNpd4/PyxJCiklKSQArkoppZCUkm4rjSr6wfnhMQ95HvyA20KXH+Uh6UB8WNGR5/wVc8PaUJaj0lmUAOCq+GBK+88NqfG...
3
math
grade-4
identify-parallelograms
false
true
Is this quadrilateral a parallelogram?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAkqUlEQVR4nO3d+XNb933u8QcgCIL7TomkdpIiJVmybDdO66ndeuLmxpnYiZfYrrxEjpM4bW+duTfT/BHN9HaS9qZ1vMmyrDjeY+fGrlONJk7GTuTEsiRT4iJq5SKJBPcFAIGD+4MsfAGIorgAOFjer5/OgUHya+lo5uHBc74fRzgcDgsAAABAQjjtXgAAAACQTQjYAAAAQAIRsAEAAIAEImADAAAACUTABgAAABKIgA0AAAAkEAEbAAAASCACNpJifDykF54e0ru/HLV...
[ "yes", "no" ]
null
1
math
pre-k
one-less-with-pictures-up-to-10
true
true
Count the squares in this group. Which group has one less than the group you counted?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAABGCAYAAAD2IOMfAAABpklEQVR4nO3YwQnCQBRFUSOC1mXh1qWrbwOzvEkgnFPAZ3iry2wzMzcAACBxP/sBAABwJQIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEKPvQ5/P8+9Th/q9f6l9+yyZpc1u6zZZc0ua3YBjuYHGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgIbAABCAhsAAEICGwAAQgI...
null
[ "iVBORw0KGgoAAAANSUhEUgAABJQAAABeCAYAAAB1lk6EAAADx0lEQVR4nO3aMW7UUBSG0WsyCSgQaBCIBQBLSE/PZknPArKDEHqCSJVJRsyQ0aMw6SykX7KxsM5pXmdd3WKe9Y27qmoFAACMorVWV7uqr5uq9b7q3ts2AAuw6qpODqreHle9PqrqSlACAIDRXG1bnd/MPQUATOf0edVq7iEAAGBJLjf9+eao6v3T/t9cAPjfrfdVF3dV33ZVXzZVj+YeCAAAluTmvj/FJACW5OSgv9uqqm73ghIAAIxq/+cUkwBYmoe77VcTlAA...
0
math
kindergarten
triangles
true
false
Which shape is a triangle?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJIAAACTCAYAAABlJ0ArAAACc0lEQVR4nO3UzWpVVxyH4f85+UD8qiMl0GnrJXgpXqO34h1YOywYZ5JoqDGH3cFG6EDRwAu7Kc8zWos1+Q1e1m5ZluX8eubPq5nLw8zNMvBDx7uZR0czv92feXY6szv/vCyvL7aexV324vHM8dur9XJ2OvP8wVoZ/MjlYebNp5l31zN/XM3sL27WBxFxG4+O1mZmZj4eZvaHfz3AbXxt5ssys992Cv8XQiIhJBJCIiEkEkIiISQSQiJxvPWA73n36sP8/deXrWf...
1
math
precalculus
solve-a-triangle
false
true
In solving this triangle, which law must you use first?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEHCAYAAACUUzFiAAAxLklEQVR4nO3de3xU9Z3/8feZOTOTxCQGMDREMCGBcBUQqGIAL/ioSr0gK7JrFVbrvcqqpVgQC4rcWmDxUrT10oeKrSs/uq3oQ7rdFS9cZQ0gBYFAICDELFEIAZnMzDlzfn8MJAFRuUwyt9fzLzgnk/kmmZz5fN/5ns/XcBzHEQAAAICocMV6AAAAAEAyocAGAAAAouiYAvvXv/61DMPQqlWrvvGB27ZtU9u2bTVy5EiFw+EWGyAAAACQSIyma7Bra2vVoUMHXXPNNfq...
[ "Law of Sines", "Law of Cosines" ]
null
0
math
grade-2
compare-clocks
false
true
The clocks show two things Ellie did yesterday after lunch: Which did Ellie do second?
"iVBORw0KGgoAAAANSUhEUgAAAdwAAACZCAYAAACFQYueAAAh2ElEQVR4nO3deXRU5d0H8O+smUyWSUJWQkjCIpBQCAKWACLEUFPFYo36WiiiqBSXHq2lEo4UsQJiUWzFarFKERUXrAEKIr6UJUgKIhh8NQkIJGEnZE9mJpntef+ImWRIZpKZzJJJvp9zOGfmzl2eucx3fnee+9wbiRBCgHqk0u3lOPKnU25bX5n+NHSWBresKzoxEgs+u9st6yLyJ8wluUrq6waQfd//45yvm2BXeVkFSr+66OtmEHkdc0muYsHtwXSXmnzdBIfOHr7...
[ "went shopping", "ate a snack" ]
null
0
math
grade-8
compare-linear-functions-tables-graphs-and-equations
false
true
Function A and Function B are linear functions. Which statement is true?
"iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABQRUlEQVR4nO3de3xT9f0/8FeSJk2aFFoK4VYKLa6ItlAUbFEBAbmLTuXiZYpsyr57yLxMnW5u+NVt3qZz228qX3HemRfG5LYpfi1XhYI4KAWhaNNAS21aStM2Pbnn/P7w26yFtkl6Tu6v5+PhA5ucvs874Z0P77zPyYlCFEURRERERAlCGe0EiIiIiOTE5oaIiIgSCpsbIiIiSihBNTcDBw6EQqHo8b9Dhw6FOc3gvfHGG1AoFCgqKor4vnfu3Ol/Ti655JKI75+IQrN...
[ "The slope of Function A is less than the slope of Function B.", "The slope of Function A is greater than the slope of Function B." ]
null
0
science
grade-5
use-evidence-to-classify-mammals-birds-fish-reptiles-and-amphibians
true
false
Reptiles are a group of animals with similar traits. The following traits can be used to identify reptiles: They have scaly, waterproof skin. They make eggs with shells. Observe the animals and read the descriptions. Select the one animal that has all of the reptile traits listed above. Dwarf crocodiles are the smalles...
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOy9ebxkVXnu/33XWnvvqjpTz3M30MwCMimDzLOgIhpAUFBz0WiiXpGoSdREbzRXvCYSB/Rn9IoKiiSCohIUDCijTNLMMzRjz+MZqmrvtdb7+2PtU3LAAb0q92I9n09/uk9X1a61165zzrPf932eR27apLr9AAxZ+uijjz766KOPPvro4w+C0QD3jYNs9qp94tlHH3300UcfffTRxx8aowFEVfX5XkgfffTRRx999NFHH38acE//4jNfPgLjMsa0ZF2...
0
math
grade-3
interpret-line-graphs
false
true
The manager of Jada's Cafe counted cups of coffee sold each day to determine the right quantity of coffee beans to roast. On which day were 3 cups of coffee sold?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAGUCAYAAAAPoVWPAACKf0lEQVR4nOzdeXiU5fn//fcsmWSyTVYSQkhCSFiysSYxhB0VxIUdtUVrtbb66E9ttdba+rVUpdZWW61d1Kp1oVWpoAgIyL4pCYGQhARIAiSQfV8nsz9/0IxGFrck9yRzvo6jR8092yc3M5Nzrjmv61I5HA4HQgghhBBCiF6hVjqAEEIIIYQQg4lW6QBC9JfTp0/zySefUFJSQnt7O76+vkRGRnLllVeSkJDwje+vvr6e119/nbKyMjw8PPjNb36DwWBg69atfPLJJ3R...
[ "Friday", "Monday", "Wednesday", "Thursday" ]
null
2
science
grade-5
animal-adaptations-feet-and-limbs
true
true
Golden eagles eat fish, mammals, and other birds. The golden eagle's feet are adapted to grab prey. Which animal's feet are also adapted for grabbing prey?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5xcdbn/399zztSdsr1mN2WTTW8kIYSQQOhNQIqCCCJcQVEQEH6gXi8X4QpI86oRIYiEogjSESSEEiAhpBBCetvsJtlsb9PLKb8/zszszO4GFoxEueed17wyc+r3POfM7PN9vp/n+QrDMAxVVdF1HQsLCwsLCwsLCwuLf08kSUJRFEQymTQs597CwsLCwsLCwsLi3x9JkpAs597CwsLCwsLCwsLiy4Gu60iHuhEWFhYWFhYWFhYWFgcPy8G3sLCwsLC...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOydeZwlVXn+v+ecqrt139v7dE/Pvs/AsAz7LogoGoP7HhLFqBGVKNGI0V+MomKCiokiGowRxQQlbqhE2WRfZ4BhFhhmX3qm973vWuec3x+n6vbtngYGHCUx9fDpz3TfpW7VqarLec7zvM8rrLU2CAKMMcSIESNGjBgxYsSIEeN/J6SUeJ6HEOLF3pUYMf4oIWPiHCNGjBgxYsSIESPG/34YYwiC4MXejRgx/mghY+IcI0aMGDFixIgRI8YfB+K5fYw...
0
math
grade-2
select-three-dimensional-shapes
true
false
Which shape is a pyramid?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAWqUlEQVR4nO2d63MkV3nGn9OnLzOai0a7q5HWF5bdtRfsYGJjYCGpOMTGqTiESqUSCKEqVa7Kp/wFyT9hg6tcpswlNjaYYDBgYgMOBoPLSRkS41oqcVhJu+vVrlYajaSZ0Vz6Nt2dD6e756LRvWdO9+j8qra2NNej0TOn3/Oe9zwv8TzPW7GAhRZQd4C2B4EgdsgEyFHg9glgRgXIiul5v97kPSyBYO+czwPyfIv9cFIF3pdhqhYI4kbdAS42gWULmGsB0mab3SF...
0
math
grade-2
flip-turn-and-slide
false
true
What has been done to this letter?
"iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAALaElEQVR4nO3dbWxT1xkH8P+1YzsvxDh0CRASBiQrFLPysoAa1AiHQBL1wwqaSvqhoOTDpALSpE3axgSqwsTY+gHtw1Q2aZuS0U4drBu0WjUCIjSwkS0B5g1SwUrKsoDJEmhMDLEdxz77EBzlxY7Pta99z733+UlIOD5+7nXwH597/dxjacuWLczlckEJHR0dYIyB6iVf7+LFi4rUUpvL5RL692y0elkulwvNzc2KFDx8+DAYY1QvhXp6Qa8rseqZFKlECBEaBZ0QA6C...
[ "flip", "slide", "turn" ]
null
1
math
pre-k
more
true
false
Which group has more?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAYAAAACGCAYAAADU6V0WAAAJcUlEQVR4nO3dPWxUVwLF8fPmw7ayxhjJ3o1XgsQFWWHJQSISFKuQbjug2i5QQZdNQ0pSQbdJA9sBDUm1myZQLg2kYyOtwkqg4BWGuDArIzFghzWeGb8UD8MYgrHNu+e9mfv/NcZ8vPt07uAzd95XkqZpem9J+u9jab4ttVIBAHpQLZG2VKWdb0m/65OSe0/S9NqjoncLAOC0b0iqTT3Ovhnrk/7wm6wdAAC9Z74t/fizNLsk3XosVR61sj/ghz8A9LYt1exnvSQ...
0
math
grade-7
parts-of-a-circle
false
true
What is W?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAkw0lEQVR4nO3deXxU9aH+8WeSyb6RBEIwIQmEfZEtIBCQRYIXZVOootJSl2rrcqUL3quly21vr/b2tr9S8d7WgoIWFSv7IrIlbIYlYNhkhxAgQAhZyJ5MMr8/AicZ2RQh58zk83698uJ8z5lMngnnj2dOvuc7NqfT6RQAAAAAj+BldgAAAAAAtw8FHwAAAPAgFHwAAADAg3jZbDalpaVddWDgwIFq1arVVfuzsrJks9n017/+VbNmzZLNZpPD4bjjQSdOnKgRI0bc8vc...
[ "radius", "center", "chord" ]
null
1
math
grade-1
which-table-is-correct
true
true
Colin saw various items of clothing that a friend was donating to charity:He decided to count how many of each item were donated, so he made a table of the clothes. Which is his table?
"iVBORw0KGgoAAAANSUhEUgAAAT0AAADUCAYAAADup/RjAABBd0lEQVR4nO29eZBc53mf+5y1T+89K2YDBiAAjoiNEkGRIsFFBEWRtEiKUiyqJNlScmNbvtc3N5Kv48SVVEmlSuyyJdtxbspO4nsVK0rsUJFFS7IWy5QFiqIorgAFgMAAA3BmMHvPTO999nPuH2cwQ3AFyMF0N/p7qlBYZnC+pc/7m+893/v9jvT5z38+RCAQCNoEFeBzn/tco/shEAgEG4La6A4IrgzM5TKl0+dYfP4UYX4JAKmni+S+HfS/cwdGMt7gHl45iLl+ewj...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAnQAAADUCAYAAAAV6r4IAABtBElEQVR4nO3deZxcVZ3w/89da++qXtNburPSZGUJsiQQIBAWZQmMgILrgwgzo48wg6OO+oCOjsOoOP7c0UFmRBwYFFABwQCBsBggC5CQpNMJ3Z1O70t1rXev3x/V6RBZkpBOV1X6vF+vfkGquu4593ZVne89y/dIt956aw5BEIQp4tZbby10FQRBECacCnDLLbcUuh6CIAiTQgR0giAcjdRCV0A4OmSHE4zu2M3ghlZyA0MASNWVhBbPoe74OfhDgQLX8OghrrU...
1
math
grade-1
am-or-pm
false
true
Eli is riding the train one evening. His watch shows: What time is it?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABPz0lEQVR4nO3deViU97k//vewDaAwg7KI2wxoRNAILnFLZIlLFqNis7RN0oKn2U5P0mKb9CxpI562p782bcUmPadtkq9ka9I0Rowxi0YdcQvG4KAGRAUGN0RAZkBhhmH5/YFMWGb5zMwzzADv13VxBWY+zzN3kLnmns/cz33Lurq6ukBERERERJLw83YARERERETDCRNsIiIiIiIJMcEmIiIiIpIQE2wiIiIiIgkxwSYiIiIiklCAtwMg7zO3dcBsakebqR1tpg60mdp...
[ "6:00 A.M.", "6:00 P.M." ]
null
1
math
grade-8
front-side-and-top-view
true
true
If you look at this object from the side, what will you see?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAD1CAYAAABqfoLEAAA2SElEQVR4nO3deVjU97k28HsYFmUbjOJeBkxOk1gUsK14UixgEtO4BLL0Oqi0oKQ0morMaXoUsYK+IuQ9Xu8QTLFJg6CNykk1ErFpghUmgVhIPTpVXJKqDHSIAY0ZhiUCDvP+Mc4vssrymw3uzz/VWR/Sq/b2m+f7PBKj0WgEERERERGJwsnWBRARERERjSYM2EREREREImLAJiIiIiISEQM2EREREZGIGLCtYN++fZgwYQIiIyOhVqttXQ4RERERWRADtgWp1WpERkY...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA3gAAAD1CAYAAAACqFfVAAA8lUlEQVR4nO3de1jU95n//9dwjKAMJh5itAJJtzmUqNiuul0saBLTeojk0GuJsQUlpY1dFXaz34jYQPITMd9vdiGYapMNgm5UNjWRiE0TrTIpxpVsVmeVqE1VBgsxoE1GFBNFmN8fI9Moghxm5jPg83FdudQ5fW4i8fKV9/25b5PD4XAIAAAAgFuYTCajS8ANzM/oAgAAAAAA7kHAAwAAAIB+goAHAAAAAP0EAQ8AAAAA+gkCnhesW7dOgwcP1pQpU2S1Wo0uBwA...
1
science
grade-3
read-a-thermometer
false
true
Select the temperature shown by this thermometer.
"iVBORw0KGgoAAAANSUhEUgAAAMIAAAHaCAYAAABSE5ZzAAB20klEQVR4nO29eZAcx30m+mV3z0z3DK4ZkLgpESdBgOAJEpB4iqBMU9JaWlFa67K0XuuyXqzPiNULr+33nu2NDe6zJe86wtq19LwrWVLIXFEWKVKwLJLiJQokIYogCR4AAfAaACI5BwnM9Bzdle+P6qzOrMq7snp6APwiyMJ0f/X1L6/vy8zqqiaUUoqCotls4uTJk5icmMSJkyfQmG2AgoKAxAACgLaPhBBQSuNjC3fK41O4UwJPiIDLgy9Xyujt7UW1WkW1WkVPT49...
[ "55°F", "85°F", "65°F" ]
null
2
math
grade-7
parts-of-a-circle
false
true
What is \line{DE}?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAqbUlEQVR4nO3dd3hUZeL28XtSZkJCgEAg9IQWSAhVagAJCGgUqboqqIi6riu64K6oKOu69v5brKsvKhZWAaUp0gm9CFISeg89tASTkDqZ94+QY2JCkyTnzOT7ua5cnuc5Z87cwfnjnpNnzthcLpdLAAAAADyCj9kByoPNZiuzc/P+CAAAAFZSIQo+JRwAAAAVhZfZAQAAAACUHi+bzaalS5cW2xEdHa06deoUmz948KBsNpv++9//auLEibLZbMrNzS3zoLfddpv69Ol...
[ "center", "diameter", "radius" ]
null
2
math
grade-3
match-analog-and-digital-clocks
true
true
Look at the analog clock: Which digital clock shows the same time?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABYlUlEQVR4nO3deVhUZRsG8BsXVge13EFBzIWp3AXU0kzBEtQUTXFfcqsMza0yNUUrtxS1zx3X3NFcsIRSo1RAc/0YspJFB8nPBRgEZlDh+8MYQWY5s8/A/bsuL5k573nPIzIXz7zznOe1KyoqKgIRERERERlFJUsHQERERERUnjDBJiIiIiIyIibYRERERERGxASbiIiIiMiImGATERERERlRFUsHQJYnl8uRn5+P/Lw85OfLkZ+fh/z8fFSuUgXOTk5wcnKCk7MznBy...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABikklEQVR4nO3deViUVfsH8C+orDJquQOCmCmDuQuoZZmipaglKm6VS2qbobnU+5aooJVLr6D2c99NRUFzLaHULBXQzI0hK1lkEE0NGARmcOH3BzGCzPLMPgPfz3V1MTPPec5zM8zY3HPOuY9daWlpKYiIiIiIyCjs7OwsHQKRxdlbOgAiIiIiIiKqXphoEhERERERkVEx0SQiIiIiIiKjYqJJRERERERERsVEk4iIiIiIiIyqtqUDIMuTy+UoLi5GcVERiovlKC4...
2
math
kindergarten
count-corners
true
false
Which shape has 3 corners?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACgElEQVR4nO3UsW5UVxhG0X/GHhcEQgfiAYCOlkfilZJXokxHoMe0NljC9uRSXCGlCQ3WvsJZqzpHp/mKrbNblmU5v575cDVzeZy5XQZ+2ulu5tHJzPMHM0/PZnbnX5fl7cXWs7jPXv8+c/r+ar08O5t5+dtaIfysy+PMuy8zH69n/r6a2V/crg8i4y49Olmbmpn5fJzZH//1AHfpe1M3y8x+2yn8XwiNhNBICI2E0EgIjYTQSAiNhNBICI2E0EgIjcTp1gN+5M1...
1
math
kindergarten
curved-parts
true
false
Which shape has a curved part?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJwAAACaCAYAAABc4SFQAAAH90lEQVR4nO3dW2wc1R3H8d/srtde73rjxPFim9hOgmM7hEvSgJNKQBKpKoiKqlKVpKpE1aqiqkoLEjelD22lShESIIFoi9QqXF4oDYiHtogSKkGACkpuhUCTOPfEBq/vdvZie72704dtpLy0Ys+c8z8++Pd5QVE05z9SvszO7s7seL7v++kCcDoPZEpA0QeRNhEPaAgDa+qBq6KAl57z/QOXbO8WLQabkkDkVL7yh9Yo0BOv1EikS6YE9OeAoQJwMg+ELhUrf8H...
0
math
grade-2
equivalent-amounts-of-money-up-to-1-dollar
true
true
Look at these coins:Which group shows the same amount?
"iVBORw0KGgoAAAANSUhEUgAAAeUAAABNCAYAAACYCHxVAAC5ZklEQVR4nOy9d5gc5ZX2/avOuXvy9OQ8mtGMco5IIoPI2WuDw4LNOqzD53XY9Tqs7fU6rdfrfVkDa4MBAzZgopCEQDnHyTnH7umZns6x6vujuguJKJHkfV/d18UFQjPVdZ6qfs5zzrnPfQRJkiQu4AIu4AIu4AIu4LxDdb5v4AIu4AIu4AIu4AJkXHDKF3ABF3ABF3ABfyW44JQv4AIu4AIu4AL+SnDBKV/ABVzABVzABfyVQHM+PlSSJCRJIhqJEAwFAfD5/Gg0atr...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA0wAAAC+CAYAAAAGL484AAEAAElEQVR4nOydd5gc1ZW33845TE/OeUajGaVRzggkGSSEhBE5B2MvzsbG2KzXa3s/zNqs8xpsjAMZbBCIIFBCCeUsTR5Nzj3T0zl31fdHqwvJGNtECW+9z6NnpFF3dd3bdavOueec31EAIjIyMjIyMjLnHFEUGYpCexB8CYjLT2gZGRmZjx21AiwqqDRCthYUyA6TjIyMjIzMecFQRGS/91yfhYyMjIxMitlWUJ/rk5CRkZGRkZFJ0hZM/szVQrUpucMpIyMjI/P...
0
math
algebra-1
domain-and-range-of-absolute-value-functions-graphs
false
true
What are the domain and range of this function?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABvG0lEQVR4nO3deXQU550v/G+v2qUWkpBAIAFms7AkAwbMZnBwbI+d2IFMBicncZLruTPOjZNMznlz39x5M5nleDw5M5PMG4/jm/hOrpe5c9/ckGDPGCwwNhgIipGRQSBhgyxAC6ClJXWr11q66v1DlJBAS7dUj3r7fs7JidV0/fSoqqvq19X17cei67oOIiIiIiIyhTXeAyAiIiIiSiVssImIiIiITMQGm4iIiIjIRGywiWiM8vJy1NfXj/x8+fJllJSUoL29PY6jIiI...
[ "domain: $\\{x \\mid x<9\\}$, range: $\\{y \\mid y \\leq 9\\}$", "domain: all real numbers, range: $\\{y \\mid y \\geq 0\\}$", "domain: $\\{x \\mid x<9\\}$, range: $\\{y \\mid y \\geq 0\\}$", "domain: all real numbers, range: $\\{y \\mid y \\leq 9\\}$" ]
null
3
science
grade-3
compare-properties-of-objects
false
true
Which property do these three objects have in common? Select the best answer.
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAAEAAElEQVR4nOz9d7xd91nni79XX7u304uOeneR5CbLsmXHdkiABJJMEhIIw6WXIQwMCRDCzFzawMxcZvgBcwcukA4ppOC4xCWOZdmSbFm9nnN0dHrdvay9+vr9sbYkmDvDwMX2ke31fr30OmWvvdd3fffS2Z/v8/08zyMEQRAAmKbJwsIC9Xod13WJiFhtZFkmnU7T39+Pruuv6bmi+z/iRiO6/yPeyrye939ExJsRIQiCoN1uc/nyZUZGRtB1HUVRVntcERE4joNpmkx...
[ "scratchy", "colorful", "slippery" ]
null
0
science
grade-2
natural-resources
true
false
Which of these pictures shows a natural resource?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAEAAElEQVR4nOz917MkSXbmCf6UGHF2WbBkVUCBNGR6ZWV3Z0Tmaf/+2YcVGZGdkW70dDWAQiWLyIi4zJkRJftw1MzN/TqLG5EFoKQ0JdL9upmpqampHv3Od4iq/+9DjP8wgZnhL+Uv5S/lL+Uv5QuWuYf/awk/N3Bt4f99Jb/rvwjdv5S/lL+Uv5Rfp8wM/MNEvi/85nf9F6H7l/KX8pfyl/LrlU7GtnHzm9134v/+kyPuO/AFSozHa46Ro/c+eT0ACpR69v1DV8e...
0
math
grade-3
reading-schedules
false
true
Look at the following schedule: When does the gymnastics event begin?
"iVBORw0KGgoAAAANSUhEUgAAAPcAAADACAYAAADY8/VGAABVmUlEQVR4nO2deVhN2xvHv6dJadCkQTSpJCFlCJEG4pqSVKRrToYrknm4boYMITeXcI2XkkjIECWRTEVIKqVBRZFmza3fH+eefdud02go/fbneXqeztprrb32Ovvd+13v3uf9sva69CJgYGBodwgAgJX98tYeBwMDwzck4Mxu8LX2IBgYGL4PjHEzMLRTGONmYGinMMbNwNBOYYybgaGdwhg3A0M7hTHuNsKfRy6j+6B5MJ28trWHwhPPw5fQf9RS+F2619pDqZew+y+...
[ "2:45 P.M.", "2:05 P.M.", "8:55 P.M.", "12:05 P.M." ]
null
3
math
grade-1
simple-fractions-what-fraction-does-the-shape-show
false
true
What fraction of the shape is orange?
"iVBORw0KGgoAAAANSUhEUgAAAVsAAABkCAYAAAAolJMhAAAXfElEQVR4nO3deXRc5XnH8e+9sy8aabTalnds2WCDYwMG5AWzleRAgiluHErN4sSElCRt06SnpZw2IW2WNjQhECDQEMIOSTDQADGbA8Yb2CYYG2zwim3ZWkbLzGjWO/f2j5HGkm1Zyyx3JD+fc3SQZrnvI3H00+v3votiGIaBEEKIvLKaXUB/9Eg78T0bSR7aTirShh5p7/roQI+2o0eDGLEQisOL6vSiODyoDi+qpxyLrwZL2ShUmwtDT+GZuxTVXWb2tySEOAUpxda...
[ "1/4", "1/2", "1/3", "1/5" ]
null
2
math
grade-8
parts-of-a-circle
false
true
What is \line{AB}?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAt1UlEQVR4nO3dd3gUdeLH8fdukt30RhJAhBBCD0WKlIDSQRQBQ+Q8RblTr6j3E7tnvfO8qqfX9Gx4YONAQ1CkSE0o0oWQSO9ggPRAerLZ/f0RGZMDKZIwm83n9Tx5npnvzM5+CPvHZyffmbG4XC4XIiIiIiLiEbzNDnAlWCyWBjmuvhuJiIiIiLtpEgVfRVxEREREmgqr2QFERERERKT+WC0WC6mpqWdtiI+Pp2XLlmeNHz58GIvFwptvvsn06dOxWCw4HI4GD5qYmMj...
[ "radius", "center", "chord" ]
null
2
math
grade-7
cross-sections-of-three-dimensional-figures
true
true
Identify the cross section of the tetrahedron. Assume objects are perpendicular if they appear so.
"iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAco0lEQVR4nO2daXBcV3qe33Pu1gsa6MbS4AKRIMVF1DYcSVzkSCqKsiNpEslTGZdjjzUqjqtk/0glUiZ2Sqlxihr/SCr+w5o4U7YlJ5yUlarYll1TSTzDTGU0NMU4kiUNqRFHlMghQUDggsbSDTR6uds5+dF9gcbW6G70dhvfU9XVwO27HKDPe7/3O9sFCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCIIgCII...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAUQAAADICAYAAACQ75jRAAAkr0lEQVR4nO3deXRc130f8O9968y8mcFgG5AECBKkuGnhEomLGkmhRDfiIrGu7biqa6V0zlGcc3pSqWnTo6anpe06dp0/quPYqR0pieRYzrETO3XlWFbTWqYp2hYtW6ItOjLJiCQgCCBAAjOYwSxvvf3jvTcYENsMMDt+Hx1wgMFg5pIQvvj93n33PgZCyGJ4vQdAakeo9wAIIaRRUCASQoiHApEQQjwUiIQQ4qFAJIQQDwUiIYR4KBAJIcRDgUgIIR4KREII8VA...
0
math
grade-5
identify-trapezoids
false
true
Is this quadrilateral a trapezoid?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAADPCAYAAADPn6YPAAAf/klEQVR4nO3deXhU9dnG8XvWDCFAgMgmCFJRsChVNkWQFxFkaQQFo1WRFoOCWF9EbSvVulS0VgsuWEAoBTckBgTZWgH7sokKiIraVBRBagDZQvZlMvP+AdeZCSpL5mR+mZnv56/znCvJ3JcXwTs/nsxxBIPBoAAAAADYwmk6AAAAABBPKNgAAACAjSjYAAAAgI0o2AAAAICNKNgAAACAjSjYAAAAgI0o2AAAAICNKNioEXeunaye2WP0Tf4e01EAAACiysGDZmC3/1n...
[ "yes", "no" ]
null
1
math
grade-4
acute-right-obtuse-and-straight-angles
false
true
Is this angle acute, right, obtuse, or straight?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAA2CAYAAAD9Au7eAAAKYklEQVR4nO3da3DU1R3G8WcvSdgLSSDktkHIBUSRNCRoq9VRBIsUFZexHUerldZbtVUInc70hTPa6XTaGZWgjDoOtgWrbW3VbACpIAgqKK2WBLFYigkX2c39RnY3bpLN9sWGJTEBETbZTfh+3mTmn/8sv+XVkzPPOccQCoVCAgAAABAVxlgPAAAAAIwlBGwAAAAgigjYAAAAQBQRsAEAAIAoMsd6gPPJ3F/uk8FgUJu3R1WHfEO+U5Rn047fFirVbhrh6QAAABANBOw...
[ "obtuse", "right", "acute", "straight" ]
null
2
math
grade-8
similar-and-congruent-figures
false
true
Are these shapes congruent?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEZCAYAAACtj1KJAABap0lEQVR4nO3dd3RU5drG4d+kFyC00AVCAqGDBCGgoTchokgRsCBN6gFBQKSogEpTBJVioamgIEWKAkoPQgjNUEILhB5aCC2kkGS+P0LmI9LJJDvlvtZyrTN79ux9j+ec8PDm2c9rMpvNZkRERERExCpsjA4gIiIiIpKVqMAWEREREbEiFdgiIiIiIlakAlsE6Ny5M0WKFCE+Pj7FcXd3dy5fvmxQKhEREcmMVGCLAPv27cPV1ZXly5dbjoWHh2NnZ0f+/PkNTCYiIiK...
[ "no", "yes" ]
null
0
math
algebra-1
surface-area-and-volume-changes-in-scale
false
true
Look at this cube: If the side lengths are quadrupled, then which of the following statements about its volume will be true?
"iVBORw0KGgoAAAANSUhEUgAAAL0AAACcCAYAAAAqJ6qjAAAat0lEQVR4nO3deVzNef//8cfplA4tooWIrCNZmtE1ZTTDoBlzXXP97IwxGGQbFzEq12XfdzGNtchkhjDIMpgtcwlDZGQroqJIdJVKSuv5/P5o9DUNo+30Oafzvt9u/ojjvF+c5+3du8/r/f58FJIkSQiCHjGQuwBBqG4i9OW0fv167O3tmT17Nrm5uXKXI1SAQixvyubMmTNMnDiRy5cvl/yenZ0da9euZeDAgTJWJpSXmOlfITk5mU8++QQ3NzcuX75Mn7c+4NjiYD7...
[ "The new volume will be\n1\n8\nof the old volume.", "The new volume will be 64 times the old volume.", "The new volume will be 16 times the old volume.", "The new volume will be 256 times the old volume." ]
null
1
science
grade-8
use-data-to-describe-climates
false
true
Which statement best describes the climate of Cape Town? Hint: Summers in the Southern Hemisphere occur in December, January, and February. Winters in the Southern Hemisphere occur in June, July, and August. Cape Town is a city in South Africa. It is located in the Southern Hemisphere. It has a mediterranean climate.
"iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAEAAElEQVR4nOzdd3yUZb7//9ekZ9J7SIVACC2EhJIQehVFUIqFteF6POqu32V39Wx1y3HPeva3e3SLusUtYlsLCiqBoNJCEUJLCAlJSCUFQnovk5m5fn/EuU1I0CCTTMDP8/FQknvumfszM3dm3nPNVXRKKYUQQgghhBDCKuxsXYAQQgghhBA3kq9NwE5LS0On06HT6UhISLB1OeJraPPmzeh0OqZNm2aV2+vo6OC3v/0t06dPx9PTE2dnZ8aNG8dPfvIT6urqrHKMa9X...
[ "Winters have higher temperatures and less precipitation than summers on average.", "Winters have slightly higher temperatures and more precipitation than summers.", "Summers have higher temperatures and less precipitation than winters on average." ]
null
2
math
grade-2
compare-sides-and-vertices
true
false
Which shape has more sides?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAIjElEQVR4nO3dW2tc1xmH8f9Isq24spwEH6I08iEmdVLapm6TOtBe9SO0V/0S/SBtoBe9au9yGxMohdJiCAH3IiCwITgFS8pBcuNYY1mSdZZGM7N7sbQ7I2VkL8mz91rr3c8PBtsSzF7gh+3lNTOvalmWZXMN6YsNabUlNTMByRqqSacGpTdOSuePS7W57SybWAm9LKD/ro9KQ9Mb7g9jx6Wr33P1A6labUmT69LDhjS1IQ2sNN03iBsWnBp0LUvSWksaaHV9A7A...
1
science
grade-4
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. Greater flameback wo...
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOz9eZwlVX3/jz/PUlV37X2ZnpmefYNh2DdZFUQEFfWjYNw1xi2CS9REjUYT84kYNRqNcUP98HFJTNxQEUVBBdkZGGAYGGaYvWfp/fbtu1XVOef3x7ndMIBG8/0o/kw9Hw+Y7r51q07Vrb79uu/l9RZ3VJxbW4SyIiMjIyMjIyMjI+N3QtXA1hqImdS5THhmZGRkZGRkZGT8rqkaEM4592QvJCMjIyMjIyMj438G+tHf/NmbL0Yqi440CAVYjE2QUmK...
0
math
grade-8
identify-similar-triangles
false
true
Are these shapes similar?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAACyCAYAAAB4I7gQAABBZUlEQVR4nO3dd1RU1xbH8S8MHRQVCxILCoqKgg27EXtPLLFXoiZ2IxYUe+81toQotpjYNfYKdsRYqCqgYmyIFZRe5v0xOoYnxjYwgPuzlotw75k7+7reg59nzj1bR6lUKhFCCCGEEEJohK62CxBCCCGEECInkYAthBBCCCGEBknAFkIIIYQQQoMkYAshhMhQ69at4+uvv37reEREBObm5gQGBmqhKiGEyDg68pCjEEKIjBQYGEidOnV4/vx5muMDBgwgOTkZDw8P7RQ...
[ "no", "yes" ]
null
1
science
grade-4
compare-strengths-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.
"iVBORw0KGgoAAAANSUhEUgAAAg4AAACBCAYAAACowjIdAAAeV0lEQVR4nO3deXQUZboG8Ke6k0531g5JyEIIAcIyRCRsAkOuCqIQVhEQVO6dUYdhXBhnvIz7iAvMlVFHmTsz4ALIogiohEVkuIMgiwsQhbDIEkIAyQJZO+l0J73dP5AYJgvVSVVXV9fzO8dzTKdT39t16n15+6uvqgSPx+MBERERkQg6pQMgIiIi9WDjoDGHDh2CIAjX/GcwGNC7d2889dRTqKmp8Wp7U6dOxahRo9oUy5EjR9C7d2+YzeY2/T0RScdfasPx48cxceJ...
[ "The magnetic force is stronger in Pair 1.", "The magnetic force is stronger in Pair 2.", "The strength of the magnetic force is the same in both pairs." ]
null
1
math
grade-3
correct-amount-of-change
false
true
You pay $1.75 to buy a can of cat food costing $1.74. You receive the following change:Is this the correct amount of change?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAA/CAYAAADaDb8WAAA4sklEQVR4nO3dd5Cl13nf+e95031vDp3DdE/HmZ6cAwYYAAQIAmAARdGiRNGWVsG0ZK1saa11XAfZ63J5ba/llWRZEmWKCqQpCqAIgiTCIA7CzGByjj3T0z2d7+3bN7357B93CK/LADUgB4C4cz5VqMJgqrrf37mo6qfP+5znCCmlRFEURVEURVGU20L7oB9AURRFURRFUf7/RBXYiqIoiqIoinIbqQJbURRFURRFUW4jVWAriqIoiqIoym1kvNffQEYhjXqdWmWZamW...
[ "no", "yes" ]
null
0
math
kindergarten
square-corners
true
false
Which shape has 1 square corner?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAF80lEQVR4nO3dW28bVRTF8WXnIigpICFR9YFH4CP0m/BZUVAiIqVICYKoSBWEhrdIJMLOJB7f58aDm4iStLGP55yz9z7r99Q2bTpS/7LHs+pxp2ma5mIOnI2BvALKBkRr2+wATzeAr58Az7aBzsWsaY4HsQ+LLHvxKbD5Zrz4yfNt4NtPFhUSrSuvgNMR8Pcc+HMMdAfl4guMjNr0dGPRFAAMK6Bb/ecLRG26bapogG7cQ6FUMDQKgqFREAyNgmBoFARDoyAYGgX...
0
math
kindergarten
count-pictures-up-to-10
false
true
How many balloons are there?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAE0CAYAAABZ4EexAAAzDklEQVR4nO3dX2zd9X3/8dfx+edz7HNiYhua2KYFSpwEVbiCjAZNnQjjYhKBSmhMg6I1q6YBF+uk7s9Ns5uiTp1aqd0k4GLr6BqqtRVTIenWCeJIlUaaBn4xFyN2UocV/wmNfRxzjn3++fz5XZzj42Mf/wuct8/5fs/zISE5J8fJh/Dk5P397ykWi0UBAAAAcAVfoxfQLGJTccWuJio/7t4TUXdftIErglvQFqzQFqzQFqzQ1s5oyQF/YnRGZ1+7qInRGU2MzSiVyG7...
[ "6", "8", "9", "1" ]
null
2
math
grade-3
identify-unit-fractions-on-number-lines
false
true
What fraction does the number line show? 0 1
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAAoCAYAAADE3o01AAADa0lEQVR4nO3csUscaRgH4HeXFfdsdGPheiCksQgKQg5ypdHCJmcbsLs0Qv4Cy6wQQTuxsrJKLKwsXA7TxCvEyoCIhWUSREW8JkJOUfeKoFccUcgNzs74PNUy+xU/eBn4zcfMV3j79m2jUCjE2NhYkH2Li4thnvlglvlinvlhlsBtSp8/f047Awkyz/wwy3wxz/wwS+A2xbQDAABAnijYObF2sB9Dq/WY7HoQk10PYmi1HmsH+2nHAgC4dxTsHKhtfYihd/VYO9yPr8V...
[ "1/3", "1/2", "1/4", "1/8" ]
null
2
math
algebra-2
domain-and-range-of-exponential-and-logarithmic-functions
false
true
What is the range of this logarithmic function?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABxc0lEQVR4nO3de3xU9Z0//tdcc7+RhCQEEm4SDSYgcpGbYFGkYq3QWrTbWrtuW9ta3e5u92v7bbvdfl23v+1ta9Xt2lovrbtWtmhXICDK1aAEIgQSEGKAXCC3SSbJ3M85c87vj2EikQRm4Hw4Z5LX8/HgETLkvObNOTNn3vPJZ87HommaBiIiIiIi0oXV6AKIiIiIiEYTNthERERERDpig01EREREpCM22EQ0RHFxMfbu3Tv4/alTp5Cfn4/m5mYDqyIiIkocbLCJaIj...
[ "$\\{y \\mid y \\geq-9\\}$", "$\\{y \\mid y \\leq-9\\}$", "$\\{y \\mid y<-9\\}$", "all real numbers" ]
null
3
math
grade-5
compare-decimals-using-grids
false
true
Which decimal is less than the one shown in this diagram?
"iVBORw0KGgoAAAANSUhEUgAAAJwAAACcCAYAAACKuMJNAAAB9ElEQVR4nO3WsWnDUBRA0e/giTyCJkibFTyQV0ibCTSCV/quFIw7Y7gizjmdBE+84vLQYc45B0Q+9l6A/+V4/3A6r3vtwZu7XpYxxt2FExuF4+OLr8/l6Y98/6xm/8jsdmmesR2jV2Y3/uFICY6U4EgJjpTgSAmOlOBICY6U4EgJjpTgSAmOlOBICY6U4EgJjpTgSAmOlOBICY6U4EgJjpTgSAmOlOBICY6U4EgJjpTgSAmOlOBICY6U4EgJjpTgSAmOlOBICY6U4Eg...
[ "0.81", "0.9", "0.82", "0.77" ]
null
3
math
pre-k
addition-sentences-up-to-10-which-model-matches
true
false
Which shows 1+5=6?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAXYAAABKCAYAAACvkX8HAAAM6klEQVR4nO3dW2wc133H8e/cdpfcXVExJdEyqZiUJUVObEuwIqj2gxsXtIA85MEIVMSA/eICNYo4BYIkfcxbgQQBYqAtmuQpBVLUSIv2IekFUZPaaIE6saEmcdw4kQSRsC4mRa0jcu87l5OH4VIkteLuLOfMzq7/H0CgpJ09Mz/O4j+zZ86cMZRSaqkFl2tQ9sFTCCGEGCK2AUULjo7DVAaMpaZSb64NerOEEELE4cwesC/Vwn8czMDH8mHVF0IIMTzKPvy2Cu+...
1
math
grade-7
similar-and-congruent-figures
false
true
Are these shapes congruent?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEWCAYAAABc2eBcAABJ6klEQVR4nO3de3RU5b038O/ckslkcptLIBFIQiaZhADijePxrXIRtQW81XoK2p7K0VNRV/F1Lc97fAvVIqc9XvpyWk+VqketVkErFvFSSsVKUavSiEIgmckEQgAJmUuukxuZy/vHntkzuRIhmT17z/ezFmvIzmTnGdYm+e5nfs/vUYXD4TCIiIiIiGhCqKUeABERERGRkjBgExERERFNIAZsIiIiIqIJxIBNRCRzL774Iq644ophx0+dOoWcnBwcPHhQglEREaUuFRc...
[ "no", "yes" ]
null
1
science
grade-7
use-scientific-names-to-classify-organisms
true
true
This organism is a Canada lynx. Its scientific name is Lynx canadensis. Select the organism in the same species as the Canada lynx.
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOy9d3gc1b3//5qyVb33YsmS3LsxxuBgTOiQQEhCCQkQyDeE5BLSSP0l3DRSbhrpN5SEJJBAIJRQTG+2cbdlW7YlW723XW3fnZnz+2N2V7uSDAZ0U+f1PPNYMztz5szM2fXnfOZ93kcSQghN0zAMAwsLCwsLCwsLCwuLN48sy6iq+o+uBgCyFdxbWFhYWFhYWFhYvD0Mw0DTtH90NQCQreDewsLCwsLCwsLC4u3zzxJXy//oClhYWFhYWFhYWFhYzB5WgG9...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOydeZxcVZn+v+8551ZV75109p1s7GGTRRAEQVkEFQkioCKoMyLuCLjMjPJzFBzcGMRtFFFcUFFH8afsKiJg2BPWJJB9Tyed9Fp17znv749zq7o7CRAwg/6Yej6f/nSquurec5eqnOc8z/u8oqqaZRkhBOqoo4466qijjjrqqKOOFw5jDM65v/cwABCRv/cQ6qjjeWHqJLSOOuqoo4466qijjjr+NoQQyLLs7z2MOur4/wauTkLrqKOOOuqoo4466qj...
1
math
kindergarten
am-or-pm
false
true
Patty is in an art class in the afternoon. The clock on the wall shows: What time is it?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABSNElEQVR4nO3deViTZ7o/8G/YAigQlEXcEtCKoJW4L60sVbtorThd5kw38Ey3M6cLzrTTzunMgKedzpl2ZsRp5/xmpu2R7p1OrVhrF9eIS4ttNbiAqEBQFBGQBBQStvz+QFKWLE82EuD7uS6uQvK8b+4iuXLnyf3et8RoNBpBREREREQu4ePpAIiIiIiIhhIm2ERERERELsQEm4iIiIjIhZhgExERERG5EBNsIiIiIiIX8vN0AOR5ba0daDO0o9XQjlZDB1oN7WgztMP...
[ "2:00 P.M.", "2:00 A.M." ]
null
0
math
grade-1
match-analog-and-digital-clocks
true
true
Look at the analog clock: Which digital clock shows the same time?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABYrklEQVR4nO3deVib55kv/q9YXhZLLBI2SDZGeIHEgZgEN6mdtkCS2mnrBSdp5sRtj/E0zfw6nalxOydtp50xbmfOpKc9P+M0aadbonRxN3uMg9PWblKLZGqa1MQieBNeEF4E2AgLhFkEQucPIipAy6Od5fu5Li5jvc/7vHdicXHree/3fmROp9MJIiIiIiIKi7hYB0BERERENJcwwSYiIiIiCiMm2EREREREYcQEm4iIiIgojJhgExERERGFUUKsA6DYc4wNY3RsyO1...
null
[ "iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABowUlEQVR4nO3deVic5b0//vewPCyZCYQhASYLQxbQGIRIuiRqIdomthVDNG2/pkvIqbW/aluJ7YntaWsS7fke9fTbkFbtqe2paNv0nDYxRNJWUjWD1tDa0AySDbIwZBkgYcjADNvAML8/kJFllvuZHXi/rotLmOe+7+dDmPGaz3zuReFwOBwgIiIiIqKAUCgU4Q6BKOyiwh0AERERERERTS9MNImIiIiIiCigmGgSERERERFRQDHRJCIiIiIiooBioklEREREREQ...
0
engineer
grade-7
identify-the-experimental-question
false
true
Identify the question that Victor's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Victor used a dropper to put equal-sized drops of pure water, one at a time, onto a penny. The drops stayed together and formed a dome on the penny's surfac...
"iVBORw0KGgoAAAANSUhEUgAAAUwAAAESCAYAAACW6uzYAAEAAElEQVR4nOz92ZNk2X3nB37OOXf1JTz2yH2pzMqsDUChABIkCDbY6G6RTZHsnlbbtEZjajOZHuZBsjGblxkz/Q0zmpc2GzNxNPOm0dJqU0s26kZPcwEJAiSBQhVQlbXlnpERGavv7nc958zDufeGR6EAFJcmCoX4mUXeSHcP9+vu537Pb/n+vj/xn/1n/5nlzM7szM7sZ8j+y//yv/ypvK4H8M/+2T/7qbz4mZ3ZmZ3ZX9T+8//8P/+pvbb8qb3ymZ3ZmZ3Zz5idAea...
[ "Can pennies hold more drops of water mixed with dish soap or water mixed with hand soap?", "Can pennies hold more drops of pure water or water mixed with hand soap?" ]
null
1
math
grade-1
find-the-next-shape-in-a-growing-pattern
true
true
What shape comes next?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAASQ0lEQVR4nO3dTW9c13kH8OfODIeURIuq0EhxnCALoUAXBbJJkUVSZBN00U3RdT9GtwmKNv4Q7Rdpg6KboCkSgIoqR7KUmJItSCJti7JERqQ4nJd7u6Bly7FE8WXm3nPP/H5ANrFm7nnOC/C/h+feKaqqqgIAAMhCp+kGAAAA0yPgAwBARgR8AADIiIAPAAAZEfABACAjAj4AAGREwAcAgIwI+AAAkBEBHwAAMiLgAwBARgR8AADIiIAPAAAZEfABACAjAj4AAGREwAc...
null
[ "iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAWqUlEQVR4nO3dXW8c2Zkf8Kf6jRSHIyqDjOTx2DAWQoxdIIBvNtgLO7s3i1zkJsh1PkZubQSJ/SGSL5IYQbCAsRN4sKRljqmh1sOhJUhij0akJdISxWZ3V9VecDTSeCiKL12v/P2AuRhJ3XWeUy+of51Tp5M8z/MAAABaIUmSqptQS52qGwAAAFA0wQcAAGg9wQcAAGg9wQcAAGg9wQcAAGg9wQcAAGg9wQcAAGg9wQcAAGg9wQcAAGg9wQcAAGg9wQcAAGg9wQc...
1
math
grade-6
similar-and-congruent-figures
false
true
How are these figures related?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAB4CAYAAADIUIXCAAAZV0lEQVR4nO3dfXTU1aHu8W9eSEIyeYEAiRhqCCSRN41AkQKGgNVisRAR0NpywotnrVuwEri9iF49htqj9i5bA0rv0nvbJtjqkeNLohFQUSYQbCsI8WiAhBBG3hJIAhNmAnmduX/Qwav39ggyM3tmeD5rZa0wrMx+Zq/F4sle+7d3mNvtdiMiIiIiIl4RbjqAiIiIiEgoUcEWEREREfEiFWwRERERES9SwRYRERER8SIVbBERERERL1LBFhERERHxIhVsEREREREvUsE...
[ "similar but not congruent", "neither similar nor congruent", "congruent" ]
null
0
science
grade-4
predict-heat-flow
true
false
Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAZaElEQVR4nO3daXAk533f8W93z30DGByLaw9yd+mlSVEkI1oUSSmSKJLRQZVlmabjqMw3iZ3YSVVKiRNTqZQdSy7H5cRXhbZjRpJtylLJEo+VKFGkSJqHuDxEkRav5QK7ABbH4Jr7nunuvOjBYHEtQGLQPQD+nyqViEaj8Syenl93/5/nmVFM0zQTVRgpQk6HuokQQrSES4GwBkcD0OsBJVExzReyTjdLCLHXXRcB15mi9cUBDxwPWmkkhBCtkNPhdAFmqvB2EdR...
1
math
calculus
domain-and-range-of-exponential-and-logarithmic-functions
false
true
What is the range of this exponential function?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlaUlEQVR4nO39e3hU533vf39GM6PzEQkkEEiAMdhgCRuMbTDEODi2aydOIE1xunNwt3tImlOzn1/2Lzs7SQ+PHzfXbpPuuE526jY7dtruncaN49bYAmODDRYxMjLISNiAZRASoPNpzmtm1nr+kKUiDkaCdTMa9H5dF5c0w1qf+epeM2u+c8+aNR7HcRwBAAAAcEVGqgsAAAAAriY02AAAAICLaLABAAAAF9FgAxinsrJSe/bsGbt87NgxzZw5U21tbSmsCgCA9EGDDWC...
[ "$\\{y \\mid y>2\\}$", "$\\{y \\mid y<2\\}$", "$\\{y \\mid y \\leq 2\\}$", "$\\{y \\mid y \\geq 2\\}$" ]
null
0
math
pre-k
rectangles
true
false
Which shape is a rectangle?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAChklEQVR4nO3UPW5VVxiG0e/ea1sKP0mBFJQmVCRDYE4MKINiBgQaqpgijQ1GOL6cFEdICS3OcxSzVrW3dvMWj/ZuWZbl/Hrm9dXM5XHmZhn4aie7mYeHmaf3Zh6fzezOPy7Li4utZ3GXPft+5uTV1Xr56Wzm1/trhfC1Lo8zL9/P/HE98/vVzP7iZn0QGbfp4WFtambm3XFmf/zHA9ymz039tczst53Ct0JoJIRGQmgkhEZCaCSERkJoJIRG4mTrAV9689uf8+n...
0
math
algebra-2
describe-linear-and-exponential-growth-and-decay
false
true
How does f(x) change over the interval from x=1 to x=3?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABukklEQVR4nO3de3iT55kn/q8syecjNtjGYBPCIfhEcEISTgFiIGmSZgpphrQ7bdPNdDadtml77cxevTrdXjudbK7Otmm3mSbb7W4nh9nudpJfSTqBGAK2CdQ0ODhgLJuAw8FHfJAtyzq+B73v7w9Zxg42SPb7IMn+fv7hsqz39s37So9uPbr1PCZd13UQEREREZEhEqKdABERERHRXMICm4iIiIjIQCywiYiIiIgMxAKbiCapq6vDsmXL8MgjjwAAPvvZz+Ktt96a8r6...
[ "f(x) increases by 300%", "f(x) increases by 6", "f(x) increases by 600%", "f(x) increases by 3" ]
null
1
science
grade-2
predict-heat-flow
true
false
Two solid blocks are at different temperatures. The blocks are touching. Which picture shows how heat will move?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAZSklEQVR4nO3deXgU953n8Xd19d26JSQkISEwAmzAgMHGBmODY3t8DPGVLM7sMhPHu5lnk8eZZ3cms5kcM7NJJk+u2d2Z2XieTCax42PsOGNYwNjGAR+ARQw2YDDGFgjdQjdIrb67q/aParXQgZGsprokfV/Pw8PDj1bpJ/2qPl2/b9WvS9F1XW+Pwpkg+BMQ1xFCiLSwK5CtQrUXSpygtEd0/VB/prslhJju1uSA/XTQ+EepExb5jDQSQoh08Cfg4wCci0JtEGz...
0
math
pre-k
light-and-heavy
true
false
Which is lighter?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAKgAAACoCAYAAAB0S6W0AAAUeUlEQVR4nO3daXAb533H8e8eOAmQIMBbpETdsqTIt6w4tqPYdRo7ceJJnNo53ERJnF6Z1p007bTTTvoi0yvT6WSaNnVmkk6da2In7TiOr/iULUW24kSHJVGkRIviTYkUQRAEcexi+wICRIoXwPOR8//MaEhgn312Qf747LPPPrvSHMdx+tNwOgGjNlgOQqwYU4OgARv9UOsGrT/lOAdjK71bQkx1UzmYpxK5F/Vu2FyWS68QK2XUhtYx6EtDWwL0mJVbIOEUKgg...
0
math
kindergarten
count-scattered-shapes-up-to-10
false
true
How many triangles are there?
"iVBORw0KGgoAAAANSUhEUgAAAvgAAAGDCAYAAABeL2R8AAAwgklEQVR4nO3dX28c2Znf8UeecWzZM/Z617tAkOQqAXyZvTDWCLIIECCby71c5CrvIDe5CfJyRAxFgGBGJCyK0mA0lCVYpABJkAiOgMGIGAtwC2Czi/W/urq6qk4uSI01Eqlusqvq1Dnn+7kbasQ+3WKzf3XqOc9zRSmlBAAAAIAVfqR7AQAAAACaQ8AHAAAALELABwAAACxCwAcAAAAsQsAHAAAALELABwAAACxCwAcAAAAsQsAHAAAALELABwAAACxCwAcAAAAsQsA...
[ "9", "10", "7", "1" ]
null
0
math
kindergarten
square-corners
true
false
Which shape has 2 square corners?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGmklEQVR4nO3dz0sbaxTG8WfiJNqoY3+Ee7mCEGjvDRa0WEGpRVftfx0XiiAWwYUg1N6FC0EvgjZGQ4yJcxepYq1v6iTnPfPOzPPZtdFxFl9i6znO64VhGB63gH8bQL0DtEMQDcz3gPEh4O8i8GcB8I6vwvDLedy3RWm2GAD+t0b3D38VgMpot0KiQdU7wNdL4KgF7DeA3Hm7+wIjI0njQ92mAOCiA+Q6914gknTb1HUI5OK9FcoKhkYqGBqpYGikgqGRCoZGKhg...
1
math
grade-4
compare-decimals-using-models
false
true
Compare 0.7 and 0.54. Use the models to help. 0.7 ?0.54
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAC0CAYAAACuelsNAAAK7klEQVR4nO3cS4iV9RvA8Ucbycqx6WY3EyaCvDQ5tSiSsqsUWUFFdso3EKFVUNBFYlBQLDSlRcs2YXXAl8BZhNoFpFxERAknjiGIjhC5kQGvE3hj/gtxanK8HHvs+D/z+YCL8/o+Z36Dv8WX9/w8YwYHBwcDAABIMbbZCwAAgFYisAEAIJHABgCARAIbAAASCWwAAEgksAEAIJHABgCARAIbAAASCWwAAEjU9m+Gi6KWtAxaRbXa3ZSfay/yT83aiwDgCTYAACT6V0+...
[ "<", "=", ">" ]
null
2
math
grade-5
multiply-unit-fractions-by-whole-numbers-using-models
true
false
Which model represents the product 3× 1 5 ?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAHoAAACOCAYAAAD+WhzrAAAOiUlEQVR4nO2db2wT5x3Hv8YU0qz1GYlsWVfkC+GPmg75aKWWClaMhCBVt9qItgkvpiRL6LoiNY7yJryobIsXq1StCZPYygRdqkkjwMgcVipoqewAgwVp+NAwLW3AlyUdVK7kc9ICYWG3F8dzsRMncZy75865+0ioTRw/z+P7+Pk9z+/uuedskiRJt+4B/beBkfvAmASLecBCG/CoHVhZCvxgEWC7NSpJF4f1bpaFljzrABZ+eVv+4YeLgNXfk78FFsXPyH3g2nf...
0
science
grade-3
identify-rocks-using-properties
true
false
Select the one substance that is not a rock.
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAADAUElEQVR4nOz9R5ckWZbfCf7ee8JFlBpxHh6ZGZFZDIVBYw4WM/25ZzGbWcyiewAMCgNSlVkZPJyYm5lS4fLYLJ6ahUckLaCz0ira7zl+1Nyomppcuffd+yfiPxy8/0UJM8WH+BAf4n8gagu/auHtBKsI/tdleL/8kFgf4kP8z8VMwS/K8HZjv3u//JBYH+JD/M/HXR5p/9375J/nqXyID/Hjjw/J9SE+xJ8oPiTXh/gQf6L4kFwf4kP8ieJDcn2ID/Enig/J9SE...
1
math
algebra-1
compare-linear-functions-graphs-and-equations
false
true
Function A and Function B are linear functions. Which statement is true?
"iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABPC0lEQVR4nO3de3zT9b0/8FeSJk2a9EahpVAoLa6AApYJtDiFAUN00x0vXOaFIU7Z2U8UmbhNd8amE3Z0MpzH25xO52VTGWdcPBPPscgQpSAqEKYtSlpoKU2hNG3T3JPP7w+WrIU2Sfv9Nt9cXs/HwwePhg/v7zvxnU/feX+/SVRCCAEiIiKiJKFWOgEiIiIiObG5ISIioqTC5oaIiIiSCpsbiqknn3wSKpWqz/+uvfZapVPsYcyYMVCpVNi8eXPMjz179uzQ47J169a...
[ "The y-value of Function A when x=4 is less than the y-value of Function B when x=4.", "The y-value of Function A when x=4 is greater than the y-value of Function B when x=4." ]
null
1
math
kindergarten
compare-two-groups-of-coins-pennies-through-dimes
true
false
Which is more?
null
null
[ "iVBORw0KGgoAAAANSUhEUgAAAe8AAACYCAYAAADN2WEAAAB0E0lEQVR4nO29d5xcZ3no/z1lzvSyu7Nd27RFu1r13t2LbFzAYEooAYJJCJckkJvcCwm5kNxwb35cIJSQGBPAITSDDbhblotkWb23LdL23manl9N+f4zmIFESybYkb3S+n48/XlnrmXmfOe/zvO9TBdM0zbEcnElBXAfNxMbGxsbGxuZNhCyAX4JmD5QrIIxlTXNf7Gp/LBsbGxsbG5uLYW0A5O5U/g+VCizw5i27jY2NjY2NzZuHuA6dSRjNQVcKxJiW/wvbcNv...
0
math
kindergarten
ordinal-numbers-up-to-tenth
false
true
The first picture is a rocket. Which picture is eighth? first
"iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAjNElEQVR4nO3de1RTZ7438G8CCSQQA3JTQAQrooL1UkdF0VJtpY5Hax0vHG1H29pTO11rjrczM++ZWV46nXPaGas97+lU+1bb2p72qLS2FavFemu13sYLKl7wUhEQEUQSYkhIIHn/eEwgXJOws/fOzu+z1qwq7Oz9+J08e//27XlkdrvdDkIIIYQQQggn5EI3gBBCCCGEECmhApsQQgghhBAO+azA1lntSCmow/ADBuis9BQKIYQQQggJDF4V2F/fsWLNFXOnhfOhe40...
[ "moon", "star", "rocket" ]
null
0
math
grade-4
angles-as-fractions-of-a-circle
false
true
What fraction of the circle does this angle cut out?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAADJCAYAAAAZxkUSAAAoqklEQVR4nO3deVjVZd7H8TcKsnNAUBAVyAXBPZfccklNp9zaKCvTbC+nyWpq2uyZsmUqW2Zy6imntJosNfORtNLMFHPNDTcWNxZlEVBQOKzK88cR0rTcgPucw+d1XV7Rj+X34YjX9Tlf7nPfLpWVlZWIiIiIiEiNaGA6gIiIiIiIM1HBdlK7du1i165dpmOIiIiI1DsuWiLinCZMmICLiwuzZs0yHUVERESkXtEE2wktXryYoqIiCgsLWbx4sek4IiIiIvWKCrYTmjt...
[ "1 whole", "1/4", "3/4", "1/2" ]
null
2
math
kindergarten
name-the-two-dimensional-shape
false
true
What shape is this?
"iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAFiklEQVR4nO3YMQ0CURBF0V1CR4sELKAAJbQ4Qh5KBgsUl/xkc049xStvZp+Z2QAAgMRp9QAAADgSgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAofOvh+/P6587YKnb5b49rs/VMwCAA/DBBgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAIC...
[ "rectangle", "triangle", "circle" ]
null
0