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 | algebra-1 | linear-functions-over-unit-intervals | false | true | How does g(t) change over the interval from t=4 to t=5? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB0A0lEQVR4nO39e3gT970v+r9lSb7b2PgKBtsQghsINhgM4ZaQQALBhgbabtL82u7snSaBJL3t56y1+6yzVs9ePTnZPc9a7drNyoWk7cpl7Z52N7skDTaGkEACNQGDAYNNAo6xZRuQLNmyrPtImvn9YazY4WIJ5uuR7PfrHx4Lzdsfz0gzH308ntEpiqKAiIiIiIhUkaB1AUREREREEwkbbCIiIiIiFbHBJiIiIiJSERtsIorY0aNHcc899yAQCAAA/vCHP+D8+fO4++6... | [
"g(t) increases by 100%",
"g(t) increases by a factor of 2",
"g(t) decreases by 2",
"g(t) increases by 2"
] | null | 3 |
science | grade-6 | compare-magnitudes-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different shapes. | "iVBORw0KGgoAAAANSUhEUgAAAg4AAABdCAYAAADNPu5JAAAVFUlEQVR4nO3df1RUdd4H8PfMwDD8FFBIXCUUaEnQVRGCNNMkfUBXEknd1VJTszbp13oeO0/a49nWbW19lDpumrqkxlbq6rZqVpaJP3JRQH4YKAgIGqCizCAMzDC/nj88TLEo3mF+3AHer3M4R2bu/d7P98z9fv1w7+d+R2IymUwgIiIiEkAqdgBERETUczBxcICCggJIJJIOP3K5HBEREXjjjTfQ3NxsUXupqalISEjoViznz59HREQEfH19u7U/EdmOs8wNJSUlmDF... | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | null | 1 |
math | grade-8 | parts-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAQAAAADoCAYAAAAAEjo9AAAcKUlEQVR4nO3daViU59338S8z7MO+D6CA4IYhkLhEUEFN1KTqYHJ7PL2f5oiNaZM0R9s0JWmeF0kVux09shhzp0uS1mq1j/fxdImi0dtoUuIKcQuKUaOyCbIIsg/DMjM8LzAj7iID11xc/8+rhhOHP6nzy3We5/88x623t7cXIYQm6ZQuQAihHFUFQFVVFUuWLMHPz4+lS5eybt06WlpalC5LCNVyU8sUYM2aNbz22mt0dHTcMDZ37lwWLVrEkiVLSEhIUKA6IdTJ5QO... | [
"heptagon",
"triangle",
"circle",
"rectangle"
] | null | 3 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAZfElEQVR4nO3dWcxcZ33H8d9ZZnnn3WzHSxxDs1gRNrQkFBxUkYAQaaLSVFUuSlQatReVSloVqRLkDkQouSqoUlVUEfWKXiDoBVykpZSEViGpaJy6JFQhq62I+PUav17edebMOacXb4792p6Zd5azPOc534+Um+Q9y/9ZMr955pkzThzHsQAAAABYwS36BgAAAACkh4APAAAAWISADwAAAFiEgA8AAABYhIAPAAAAWISADwAAAFiEgA8AAABYhIAPAAAAWISADwAAAFi... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAeWklEQVR4nO3dW4wk133f8V9d+jI9113uhcOVLZILWks5FslYSyEwZUOwIsY2jYAPMRGaSB4MiEwgAQFsvkkgFelJEgIEFAIReXIeBCcP9gMdW5FoBbRoyCS9WdIGxesShLgzO3ubmd259qWq8jCs3d6Z7pm+1OXUqe8H0IOW26fqf87Z0/3rU13lRFEUCQAAAIAVHMfJ+xSM5OZ9AgAAAACQNoIPAAAAAOsRfAAAAABYj+ADAAAAwHoEHwAAAADWI/gAAAAAsB7... | 0 |
math | grade-6 | quadrants | true | true | Which shape is in Quadrant I? | "iVBORw0KGgoAAAANSUhEUgAAAfkAAAH8CAYAAADSe9ZXAAA5nElEQVR4nO3df3BV9YH//9dNLglJyE8ChGBI/RFQMaKgyK9QKTJFcVFRxuGjbR3dfpbOODhdp9+Py3Q7XbeydnZslVp3y24/0t267UcGt1sKLgUVIogYKBB+CqgBDIEk5Df3V+695/tH9qb8SOAG7rnnnneejxlnvCf3nvPy7c153fc55554LMuyBAAAjJPmdAAAAGAPSh4AAENR8gAAGIqSBwDAUJQ8AP3mN7/Rtm3beh+Hw2H96Ec/ks/nczAVgGtFyQOGW7VqlVa... | null | [
"iVBORw0KGgoAAAANSUhEUgAAApcAAAH8CAYAAACEt4SVAAA/XklEQVR4nO3de3TU9YH//9ckk4QkJCEhhBAMqXJViAgoyrVSylm8LF45Hr7a1qPb79pzPHi6nv6+Lqfb03Ura88eW6XW3brbr3S3bvuVg9stBZeKCggiBgqEcJGLBjAEQsjkOrfMzOf3RzqRQAITeH/ymc/k+TinR+eTyWdeffvJzGven5vHsixLAAAg5Xg8HqcjYBBKczoAAAAAUgflEgAAAMZQLgEAAGAM5RIAAADGUC4B6De/+Y22b9/e/TgSiehHP/qR/H6... | 3 |
science | grade-3 | animal-adaptations-feet-and-limbs | true | true | Vervet monkeys live in the grasslands and forests of Africa. They climb trees to find food and shelter. The vervet monkey's hands and feet are adapted for climbing trees. Which animal is also adapted for climbing trees? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5wcxbW2n6runrQ5KaxyQCCQBEjkIHLGRJEx2XDB2ASTjD/DtfEF23DBNsEm2CY6YQMC21wkgrEFCAECkaMkECiuNs3uxO6q74/q7pnZldAKBPLl9stv0G7H6qqa3nNOvec9QmutXddFKUWECBEiRIgQIUKECBH+d0JKiW3biGKxqCPjPkKECBEiRIgQIUKE//2QUiIj4z5ChAgRIkSIECFChK8GlFLIjd2ICBEiRIgQIUKECBEibDhEBn6ECBEiRIg... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d7gkR3m3fVd1nDxz8p7Nu8o5AAIBEhIGkYwCAgMSYAE2LxibYEAYf8YG+QJsog0Cg40NCDBYJCHbekEB24gkkISQRFBarTafNHk6VtX3R8/MOWdXYQUy8ovnvq6jPWe6p7u6q2bUv3p+z1PCGGPSNEVrzYgRI0aMGDFixIgRI/7fREqJbdsIIR7tpowY8RuJHAnnESNGjBgxYsSIESP+30drTZqmj3YzRoz4jUWOhPOIESNGjBgxYsSIEb8ZjJ7... | 1 |
math | calculus | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABzL0lEQVR4nO39e3BU170m/D+7r2qpJbVuSEIgYa5GIGGwsc3NxsGxHTvxBJIMTt6TxGd8ciaZXE7yOzXzpk5lUpOMx5Wqc5xTcWxPJjMZ25lJTSZ+Y/vE2IJggw0RNhgZBBKYiwChCy2ppe5WX/el9/790bRAIKBb2kvdLT2fKpdLUu9vL/buXv3s1WuvLRmGYYCIiIiIiExhyXYDiIiIiIhmEgZsIiIiIiITMWATEREREZmIAZuIxtx333144403xn7+05/+hOXLl0P... | [
"no",
"yes"
] | null | 0 |
science | grade-5 | identify-rocks-and-minerals | false | true | Chewing gum has the following properties:
human-made
not a pure substance
solid
no fixed crystal structure Is chewing gum a mineral? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACYmElEQVR4nOz9WZBlyXkeCH7ufra734gbe0RulVlZGwpVAAGCgNBcILbUInuk0cI2mt4kk140mmGbzZtsrJ/5pAfZzJipjeppijY2lIlsLqAogCCBokioCBQLhSqw9srKzMjI2OPG3c/uPg9+fr9+T9yIzFpAoErlZbciI+5Z3f/9//7fmVJK4ZPxyfhkzB38R/0An4xPxo/z+IRBPhmfjAvGJwzyyfhkXDA+YZBPxifjgvEJg3wyPhkXjE8Y5JPxybhgfMIgn4xPxgX... | [
"no",
"yes"
] | null | 0 |
math | grade-2 | name-the-three-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAENCAYAAAA1yBIEAAAc4UlEQVR4nO3dW3Cb533n8R9OBECABESKpERBoq0THSW24kprK7uJWquOdlNP7G4myc7Ece7SXnTS2c22szfbZrKby04vtnuRTnZmZ53E06Z7sXE27VTrSrYmU9uylJhWLItidCBFUTyBBIjzeS8gvAbEg0jpAV+A/H5mNDJeAuDfNi++evTgeR2VSqUiAAAAAEY47R4AAAAA2EoIbAAAAMAgAhsAAAAwiMAGAAAADCKwAQAAAIMIbAAAAMAgAhsAAAAwiMAGAAAADHL... | [
"cube",
"rectangular prism",
"sphere",
"cylinder"
] | null | 3 |
math | grade-5 | mean-find-the-missing-number | false | true | Amelia has the following data: If the mean is 41, which number could q be? | "iVBORw0KGgoAAAANSUhEUgAAAMIAAAAkCAYAAADb/OWuAAAHqklEQVR4nO2deVRU5xmHn1kYBBEREJCDBERRJGjEXXFBGxeOSjzWRKtBT61NrdFom7ZRW2Niok1sPHWva001VaORKi5gXXBB1LiAUpagAkLZkX1mmIXpH0SOI9jTHu7tdPR7/nzve7/vd957fvfO+93vnlFYLBYLgKHRhNaox2xpxIJA8OKiAFQKJc4O7dAo1U0xi8ViqTc1oDM12FadQGADnNWOOKsdURvMJmECwUuL1tSAWqFCqTMbbK1FILApOrMBpanRbGsdAoF... | [
"36",
"31"
] | null | 0 |
math | kindergarten | count-scattered-shapes-up-to-5 | false | true | How many rectangles are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAACxCAYAAACx6sluAAAEIUlEQVR4nO3au20CURRFUWNNXUw74IKMXQ40Nk4nQOYj0IOttfIrnXAHd7Msy/IBAAAkfI4eAAAAPI7ABwCAEIEPAAAhAh8AAEIEPgAAhAh8AAAIEfgAABAi8AEAIETgAwBAiMAHAIAQgQ8AACECHwAAQgQ+AACECHwAAAgR+AAAECLwAQAgROADAECIwAcAgBCBDwAAIQIfAABCBD4AAIQIfAAACBH4AAAQIvABACBE4AMAQIjABwCAkGn0AN7A8TB6AWvzfvQCAOC... | [
"4",
"2",
"3",
"1"
] | null | 2 |
math | grade-3 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAE/ElEQVR4nO3dv08bdxzG8YfwIyEgsNS0DZBWQijtQsvYDkg+1mZBHRrBBEuXqhJSpUwZjNSpSpdUWbIYJpShFX8BFLZKHYwUtSoBIbUhTV0qWVbAGATfDmkCqg0G+2y+d5/3S8qC75775nxPuMSXD03JZNIFQaAwLC0tyTkn8qrPW1xcDCXrogVB4PV5tpbXEgSBUqlUKIHT09NyzpFXQ15ccF35lXcplCQAXqPogAEUHTCAogMGUHTAAIoOGEDRAQMoOmAARQcMoOi... | [
"translated",
"rotated",
"reflected"
] | null | 1 |
science | grade-2 | identify-materials-in-objects | false | true | Which material is this sandwich bag made of? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAABXrklEQVR4nO29eZgkR30m/IvIO+s+u6r6nhnNjDSS0AHi0oFACFgLFiRjcxofa7A/2xzGyy7GxgZsf/gz+Fh7F/B6DV4wtjksc0iAEBJCQvcxI83d0zPT993VXVdWHhHx/VGZVVFZR/eMpBkJ5fs89VRlVmZkZGa88TsjAiBAgAABAgQIECBAgAABAgQIECBAgAABAgQIECBAgAABAgQIECBAgAABAgQIECBAgAABAgQIECBAgAABAgQIECBAgAABAgQIECBAgAABAgQ... | [
"plastic",
"rock"
] | null | 0 |
math | grade-3 | compare-fractions-using-models | false | true | "iVBORw0KGgoAAAANSUhEUgAAAtUAAAC5CAYAAADnGsNjAAAwgklEQVR4nO3dd3RU1d7G8e+EZNJDekgIHTQUpWPoXaqoFJWiiChgQUBRsIOK+sq9Frw2FBRBjILgVRBRUIr0EoqEZiD0koSQQCB19vtHZC4h3YEE4fmslSVzyj6/feYIz+zsc8ZijDGIiIiIiMjf5lTWBYiIiIiI/NMpVIuIiIiIOEihWkRERETEQQrVIiIiIiIOUqgWEREREXGQQrWIiIiIiIMUqkVEREREHKRQLSIiIiLiIIVqEREREREHKVSLiIiIiDhIoVpERER... | [
">",
"=",
"<"
] | null | 2 | |
math | pre-k | fewer | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdoAAACGCAYAAAB630uXAAAJPElEQVR4nO3dvW9V9x3H8a8xhih12g60VYeMbaQs7ZYoQ/+D/jFRhIhYGBEbiqJOiCHKhFhSuiCUFVXx0i5F2FAhWzxfPBjHxT733NPhJDSUJz/c3/ece/x6SVHiAPf8eDvSx8T3njvXNE3zYCfi1lbE0zpi3AQAsE9H5yLem4/43bsRvzkWMfdgu2m+2+j6WAAwPB/9POLoylb7wW+PRXzws3aFAYD9eVpH3Pw+4v5OxPJWxJGNcfsDRhYADu69+XZTIyI264g... | 1 |
math | grade-6 | rational-numbers-find-the-sign | false | true | The number line shows an unknown number, a. Is a positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAGiklEQVR4nO3df2jU5wHH8c838S5pfhgz4490mgWZLWRSE41nYp3LtowxRDAirMIWdIJMJ9o/NgTzRx1kAUvrfqBDwWFwNAsdJAVH6Q9hnm7r3cUzuZImtDoNWikzccSa35fk+sd516SaXK76zXMX369/kud7R/iE7z+fe57nnq8VCoVCAoAk0tDQIMuytGPHDtNRMEu450h280wHAIB43bp1y3QEzDLuOZLdjAtXMBiU3++X1+vV4sWL+ZQBAI+preeq/tj2ptp6rqq... | [
"negative",
"positive"
] | null | 0 |
math | grade-4 | nets-of-three-dimensional-figures | true | true | Which net will make this figure? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAQSElEQVR4nO2dfViUVfrHPzO8gwjyKugImqIoSmkuppS6mOWaGq6K1aYgrm6Y6+AbbLk5ppZaIV4WGS+CZr78zF+4l/2uylhxDbWUDQkUJHUU0BBwBodXgXl+f5CTmMDMMMCI87ku/5DnOefcM9859zn3uc95HpEgCAImjAZxVxtgojkmQYwMkyBGhkkQI8MkiJFhEsTIMAliZJgEMQCfffYZkyZN4quvvmp/ZYIJvcnJyRECAwMFQACEvn37trtOkyB6cOvWLSEiIkI... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAAC+CAYAAAC4av29AAAgp0lEQVR4nO3de1yUZf7/8dcMIAoiyFERwohTgVpWi6YlptvampXlIctS01bzkIfFn+YR8FwqHtIy8Wyp9c3U3M21XLE0pTIlweWwIsbBQEFwBEWGmd8fNKwWjhxmuGfg8/yHhzjc92eieXvd931dn0sF6BEWQ6/X8+tN+G8paCpAK78dIRqUrQqcbCDQAbyagQoJSYvya5me768qXYUQAiC8FdgqXYS4XXpp5de2zSDYsfJfNCFEw9FUQGoJXLwJaaWgVrogcbu... | 0 |
math | grade-2 | place-value-models-up-to-hundreds | true | false | Which place-value model shows 209? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOIAAACSCAYAAABYMhYWAAAXO0lEQVR4nO2de4wl6XmXn6o6VXVOXc6lu6d3Z3ZnL95de/EujmwQDolJIgcSC2KFi604BIOJ5WAg8SLhrJFMTALBQiSSpYAjBKyJBCgbgRAXg8QfBBERBa8FEloc27vrXc9ksjOzM93nUvc7f9Tp7nPtnvX09KmZfR/paHqmqr/vd858v3q/+r633qNUVVVdS+GVELwC8gpBEO4wLQVcDZ6w4D4DlGtJVb0w2bQsQXjr8t4utF4O67+cN+Addu1SQRDuLF4B3wz... | 0 |
math | grade-7 | parts-of-a-circle | false | true | What is \line{MN}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAlyUlEQVR4nO3deXxV9Z3/8fddcm9ys7NkhSQQIEBIWGQREEEU3Ff8OY/OtNrRKeLSwd/8Rm15iJ3pWP3VznRsx1rXltrqr05lautSKChQpYCgLCHsgSSQQEL2fbnL74+Yw70SNkk4Jzev51/ne865535uOH+875fP+V5bIBAICAAAAEBYcJpdwKVgs9n6/D34ngQAAAArGBABn/ANAACAgcJudgEAAAAAeo/dZrNp/fr1px2YNWuWUlNTT9tfXFwsm82mF198Ua+++qp... | [
"center",
"diameter",
"chord"
] | null | 2 |
math | pre-k | represent-numbers-up-to-10 | true | false | Which group has 7 rectangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAE4UlEQVR4nO3WQWpVZxiA4e/exBCsOpKWLqDtEkTIFrIXl+JadAuC4A6sndeiI6Mhpomng4vQgTg6vBeuzzM553Dg5/snL99mWZbl7fXMX5czF7czN8sArOJ4M3P/aOa3uzO/nMxs3n5ellcf9j0WcOgePZg5fnO5+/j1ZOaPn3Y1AljDxe3M608zf1/P/Hk5s/1ws/shNsDa7h/t2jIz8/F2Znv7vx8Aa/valn+Xme1+RwF+JIIDZAQHyAgOkBEcICM4QEZwgIz... | 1 |
math | kindergarten | fewer-and-more-compare-by-matching | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdoAAACGCAYAAAB630uXAAARLElEQVR4nO3dW3CU93nH8e+uVquVjDhJ6ASWsAQY24BMHCNwAgTHmbgJdprYXNhtetdMJplpcDp1b5KbTmxnOplO2mmSMelF6k46OOm0GTBx6xZwHBsMxgLHHC1OWh1XWh12V7sr7a727cUCdpujJb3Pnn6fG2CYQf/5PrPz7Pvq1eJxHMcZTsHlBMRmIeMgIiIic+TzQG0FrK2BRj94hmcc52Q038cSEREpPV2LwdeTyP2h2Q933pbbwiIiIjI3sVm4FIehFLy... | 1 |
math | kindergarten | select-three-dimensional-shapes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAARl0lEQVR4nO2da3AU15XH/z2SRqPRG70tCQmCHolhJUwsDAGDDWsHO8QmtY6pfLGp3VrXPhzbW1tbG3sf2a0K3toqZ21vvmQr5cifErzlBKIgxw4QYR7yijiSS3JACIMkJDSgGSTNSKN5aKb3w2i6e4YZIYnb3be7z+8LrZ6ee88MZ26f1z0tiKIoukLAFT/giwALIgiCOzIFID8DaHACFXZAcAVFscert1gEsXy2FgCZQ/7YH1V2oCk3ptUEwRu+CDA4B0yEgMt... | 0 |
science | grade-8 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each purple ball represents one particle of solute. Which solution has a higher concentration of purple particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AAB1LUlEQVR4nO29d5wd5X3v/35mTtnepS2qq96FAEkIBBhsikFg2nW9jsE/B1/fJL4217Edk+JyXUlsx8m1c4njOMQtMbZxgdCbMMUgEAIkkJBWve5qtf20mef3xzPPzJyzK7HaPWe1e/Z58xJn57SZc8585luf5xFSSonBYDAYDBMM60wfgMFgMBgMI8EYMIPBYDBMSIwBMxgMBsOExBgwg8FgMExIjAEzGAwGw4TEGDCDwWAwTEiMATMYDAbDhMQYMIPBYDBMSIwBMxg... | [
"Solution A",
"neither; their concentrations are the same",
"Solution B"
] | null | 2 |
engineer | grade-8 | identify-the-experimental-question | false | true | Identify the question that Eli's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Eli mixed bacteria into a nutrient-rich liquid where the bacteria could grow. He poured four ounces of the mixture into each of ten glass flasks. In five of th... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz915Ml2ZXeC/62a/ejT5w4oUWqSlUKooAuoIFuNFqx2bfB29fGbOa2zV9A4/u83pd5oA35zrdrYzTjA83Ie9nDS3Y3VKML6AIKqCqUSq0iQ8fR2vU8bPcdkYmsSqAyC5XVrGXmFvqEH/ftay/xfd8S//Jf/suUz+1z+9w+t8+Q/dt/+28/lf9rANiTXRzXpVCq4lVKOIUyludiF0oYjo1tFYiSmCiVvtU1XYrFIqVSCdctYTt1LNPFtm10XSdNU5IkAUA... | [
"Does temperature affect how much bacteria can grow in liquid?",
"Do more bacteria grow in liquid with cinnamon than in liquid without cinnamon?"
] | null | 1 |
math | algebra-2 | match-exponential-functions-and-graphs | true | false | Which graph matches this equation?
\[ y=-4(2)^{x}-6 \] | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVUAAAE1CAYAAABX+HN0AAAbWUlEQVR4nO3dfXBU9b3H8c/ukkcSiDUPqJUQaCUNgsEoJK1jDB2KODBTdazKtS1E7cUap3OvzlxwrgN/VMWOZeb2Mj4r0jIiFbmOoY1Qaxh1muAQs1joBBBMHTRPIstDMEuyOfeP7S5sEsIm/DbnnOT9mmHYc/ac8/tuTvaTc/ac3289lmVZrWekT09LJ0NSjyUAQJzGeaRMn/TddCkvWfK0Bi3roxN2lwUA7jd3gjTu4OnwxGXJ0vTx4cQFAMTnZEja3ym1nJE... | 1 |
math | precalculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACFw0lEQVR4nO39eXxU930v/r/O7KNZNNolFgkwNrYwYIMBg8HgmNjEOE7AccjeNG1/Sa6dtL29vUnTftN7U5qb2zTJTa+Tur1JbKdO68aJ7cTGMsYGDBa7jAXI2AYZhARoGWn2OXOWOef3xzAyYh1J52gWvZ6Phx8PM5p56c0wc+Z9PvM5n4+g67oOIiIiIiIyhCXfBRARERERlRI22EREREREBmKDTURERERkIDbYRJPItm3bMGPGDKxbty7fpRAREZUsgRc5Ek0ea9a... | [
"yes",
"no"
] | null | 0 |
math | kindergarten | ordinal-numbers-up-to-tenth | false | true | The first picture is a house. Which picture is fourth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAhtElEQVR4nO3de1QUZ5438G9BdyuXbkQYQKSjwqiIgGZUVJJRdgNEJ/FuYtRkXEfdOJNZL4nRPfsmKjm+54xGnejmTcyqg8kYExOMzpgrmBmdnKBGXQmoeBkIphUhsaM0N+luqPePlqaBvlRVV/Wl6vc5J3O0u+qpx2d+/Oqh6rkwLMuyIIQQQgghhIgixN8VIIQQQgghRE6og00IIYQQQoiIJOtg37WwGPKFCQ/+rRF3LTQKhRBCCCGEKIOgDvaRWxYUXL7ntuN8/LY... | [
"paw",
"dog",
"house"
] | null | 1 |
math | algebra-1 | multiply-two-binomials-using-algebra-tiles | true | false | Which area model represents the expression (2x+2)(2x+2)? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAQAAAAEACAYAAABccqhmAAAQH0lEQVR4nO3dbUyUd7oG8GueZ3gd5EWhwoCrBd/bNQprrLHubtrSamPbbDbZxKZJY3I+NNnaNqY5iWZ3P27P2WTfemJqTLqbbrtrtrY90WZXlLi0emxtXQao+IIICpQBcRQGZ2BhZp7nfKBQYJXCvPDv87+v3xfLWOf+55K55pkJzu2ybdvuHQWuDgF3YkDUBhFpyu0CFpjAimxgcTrg6h2x7c8HVR+LiObbplzA3To09kVJOrDKM9YORKSnOzGgJQz0jAJXhgB... | 0 |
math | grade-2 | interpret-tally-charts | false | true | Ben went to a baseball game. He saw some snacks. This tally chart shows how many of each type of snack he saw. Did Ben see fewer pretzels or hot dogs? | "iVBORw0KGgoAAAANSUhEUgAAAaYAAADWCAYAAACaJCZ2AABYU0lEQVR4nO3deVzU1f748dfsC8uwCSog4L6DaSqZCtpiZt7Kui22WNlPq2tXs7xmi9pVr1m3bnuWqVl2y7xpbpV9FbRMLSvJ3BVBARfWYWCYfX5/jAyMMDAssnmej4ePmM+cz/mcD+m855zz/pwj4RGNE0EQBEFoIaTN3QBBEARBqEwEJkEQBKFFEYFJEARBaFFEYBIEQRBaFBGYBEEQhBZFBCZBEAShRRGBSRAEQWhRRGASrghBAVGcekPP70tyCQqIau7mCIJQAxG... | [
"pretzels ",
"hot dogs "
] | null | 1 |
math | algebra-1 | compare-linear-functions-tables-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAARAAAACZCAYAAADnwmWxAAAZWUlEQVR4nO3de1wVdf7H8dfhLqgoNwWvIIWlJgKGpkKCZko3Cyw11qy1x8/Y9VLmpua67rruaprWGl1MTEkzU6FySfltXtBN0lrR2GRNQ/PGAioKiiKH7+8PfowSt8MwgCc+z8eDx0OG73znA868z/c7c86MSSmlEEIIHWyauwAhhPWSABFC6CYBIoTQzaIA8fDwwGQy1fiVkZHRyGVa7oMPPsBkMhEYGNjk2969e7f2NwkKCmry7bcEmZmZte6L7dq1a+4SK3nmmWc... | [
"The y-value of Function A when x=\n–\n1 is less than the y-value of Function B when x=\n–\n1.",
"The y-value of Function A when x=\n–\n1 is greater than the y-value of Function B when x=\n–\n1."
] | null | 1 |
math | kindergarten | represent-numbers-up-to-10 | true | false | Which group has 4 circles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAR+0lEQVR4nO3dT2gc9f/H8dfs39ls0rTRJqm1YLu1qViKSJuvxZ76B4ooeFEE9SB4EC9pC0UaqOBFrVjSk+DNQ0WqCFJBpFjwViklFtN/aVeroiYlIU27/WYz+29+hxh/wZJmN7v7mc/s9/m4REnZebM782R2PpNdx/d9f7wgZWekXFkq+QKAhog5UkdUerRN6klIzrjn++fuBD0WgFb3nxVS7PrM3P+sSUh96bkaAUAj5MrS6H+lsYJ0bUaK3CnN/YLYAGi0juh... | 0 |
math | kindergarten | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 5 − 2 = 3? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAABKCAYAAAAi2W96AAAKHElEQVR4nO2dW2wU1xmAv9n7+oovGIMhDlDHxW5iriZEQnHSFLVN2iqAkCyaQBXx0kqRWtQ2pVIlXlKlUkJeqvLU0kQ0UhsnQEVpUqlxWhqIiWwHEwhejI2ziY2Nr3vzei/Th2XXXry73vHO3obzPXnmnDnn/Dqfz5w5c1lJlmV5eBZuuMERAL+MQJBzGCQo1kNdAawwgTTsleWO6Ww3SyBInu0lYLC5QxsrTVBfGLJaIMg1HAG47oKhWeh1g27aH0oQ0gpymWJ... | 2 |
math | grade-8 | identify-similar-triangles | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADECAYAAAClWFbMAAA9VklEQVR4nO3dd1jVdf/H8Scb2eBGExlijiyzUitnlpam5qLwV97uVZlZaUNLsyy787ayzDRXpbl3miNNLWc5EDQRcCvIkL3h9wdwFKFyHDgceD2uqwv9nu85533u+wpefXh/3h+L3NzcXERERERExCgsTV2AiIiIiEh5ooAtIiIiImJECtgiIiIiIkZUJgP2+PHjGTRokKnLEBERERG5ZWUyYB89epR77rnH1GWIiIiIiNyyMhuwmzRpYuoyRERERERumUVZG9OXmJi... | [
"yes",
"no"
] | null | 0 |
math | grade-8 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAADdUlEQVR4nO3dv04UURjG4TO720wFFjZaW0ABlY034jWYeDkkXIM3YmMPBY1gICQsBdUm/Nm1sFLM66whe87A89Rk5kvY3+aECfOVAgAAAAAAAAAAAAAAAAAAAH/XPfUFP3x5v3rqa8JQXz9+e9LP9OQpLwbPjUAgEAgEAoFAIBAIBAKBQCAQCAQCgUAgEAgEs5o3f9O/LTtbuzVHoFHHN0flYnFee4y6gexs7ZZP7z7XHIFGHZ4cNBGIIxYEAoGg6hHrT6/7mzLp/Dv... | [
"1\n7\n of a full turn",
"1\n5\n of a full turn",
"1\n6\n of a full turn",
"1\n4\n of a full turn"
] | null | 3 |
science | grade-6 | identify-ecosystems | true | false | Select the temperate deciduous forest ecosystem. This ecosystem has:
hot summers and cool winters
a medium amount of rain
soil that is rich in nutrients This ecosystem has:
warm, wet summers and cold, wet winters
soil that is rich in nutrients
only a few types of trees This ecosystem has:
year-round rain and warm tempe... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9eaxs2VnfjX/WWnveu+Y68z137O7b3e5u027bGGMwEINJyKuEBBkQxBBAoERKUBISoSAFZVCw5OQVPwgRSUhIgJ8TkCXC700IYIwxNm663bR7ck/3dt/xzKfmPQ9r/f6o65t0IBCiN24U6iMdHVXtodbeVevU9zzreb6P+OzMmMshtBQrVqxYsWLFihUrVvxvYdHAKwmIeW3MSniuWLFixYoVK1as+N/NogFhjDFv9kBWrFixYsWKFStW/MnA+m8... | 0 |
math | precalculus | solve-a-triangle | false | true | In solving this triangle, which law must you use first? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAG3CAYAAACOmSIXAABHEUlEQVR4nO3df1TU9533/dd3mJEfg/yICGapKBoIkRG1mhT31m6MuWI2zWq7ppsrenUvbS+NipxyVu2V7pJ704btZqtmPRdBEt0mnLa69Wo8rTZrYjYm2St25U60KoIS0SB4UQUxIIqADDP3HwhqoonIDJ/58Xyck3PKfGfm++KcnJ5XvufN+2N5vV6vAAAAAPiEzXQAAAAAIJRQsAEAAAAfuu2CXVNTI8uy9KMf/eim17/zne8oPj5etbW1PgsHAAAABBtrIDPYM2b... | [
"Law of Cosines",
"Law of Sines"
] | null | 1 |
science | grade-4 | predict-temperature-changes | true | true | Two identical blocks are heated to different temperatures. The blocks are placed so that they touch each other. Heat can flow from one block to another but cannot escape from the blocks. Later, the temperature of each block is measured again. Which pair of temperatures is possible? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAaRUlEQVR4nO3daXRU553n8e+9tVehDaEFbSCEEGI3GDtgAsY2ODZxbCfppJ04nraTzOmMT3dPzjjdPj3TnZ5JMjPtJGfOJB4yJ2O3k+AkjjvxDraBtgGzeGWTQUagfd/XUm237p0XV7pCSEgFFlRJ+n/e+Lgola7qufd3n+f/PFWPYhiGgRBCAGq8D0AIkTgkEIQQFgkEIYRFAkEIYZFAEEJYJBCEEBYJBCGERQJBCGGRQBBCWCQQhBAWCQQhhEUCQQhhkUAQQlgkEIQ... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAmp0lEQVR4nO3deZhcZZ0v8O85tVf1nt7SeyfpdPYEIsQETAiQKMSwiIo4oAI6zygPOt5Rh0fHcUbQq4j3PtcF7nhxUAEFVCBAAiQBsgcSsi9NOulO7/veXfupc+4fp6p6q3Q6SfU5p6q/n3/6SaW6+u163/r1t875nbcEAAqIiAAoioK2AHDOAwyGAInVgYjixCwAqSagwgnkWQEBDCBEFNbmV3BgQO9REFGyW5EGmPUeBBEZx1mP+nWmFah0qe9WiIjiYTAEnHE... | 0 |
math | grade-7 | mean-median-mode-and-range-find-the-missing-number | false | true | Edward has the following data: If the range is 10, which number could q be? | "iVBORw0KGgoAAAANSUhEUgAAALAAAAAkCAYAAAApQLALAAAGP0lEQVR4nO2ceWwUZRjGfzO73bbbk57QA8si2oLgpvVoKaBWDYpiOQQvYhUV8Ihn1Bg0xpiACFHxiKh4m6ogIhRQAkUR2lIKFDl7SA+gxh6Q1rbs0d0d/6huslK1yswOS7/ff/PO7D7vPvtk8n6Tb1dSFEUBcClO7O5TeBQ3oCAQnH1IyJKBEIMZo2TqrSiKojjc3Tg8Np2bEwj6T7BsJthgxujyOEV4BQGHw3MKg2REdorwCgIUp8eG7FZcevchEPwv3IoLWRELNkG... | [
"10",
"1"
] | null | 0 |
math | grade-3 | compare-fractions-using-number-lines | false | true | Which fraction is less? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB8CAYAAABTwcfUAAASFUlEQVR4nO3dTWxU9R7G8Wc6nSnFtLaApGIgpJrutIC0tCYuNKTGsCDBktjIHXTBa4wREU2ugWBiQ0jAuzAx1WjUkhSFppIYEsCC0gbp2xQhEDbG2hhomgr0bSidl85dlI5UaOFyz5l/zznfzwZ6ZhZP8pvOPHP6P+fvSyaTSblIXV2dfD6fqqqqTEdBmjBz72Hm3sPMvYeZw8kyTQew2p9//mk6AtKMmXsPM/ceZu49zBxO9sAFOxaLKRwOq7W1VfPnz+cbJQDAdrV... | [
"3/4",
"2/4"
] | null | 1 |
math | grade-6 | front-side-and-top-view | true | true | If you look at this object from the top, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADyCAYAAAB3e7J8AABAZUlEQVR4nO3de1iTd7o3+i8i0AokIFWhrQanMruCfSXWQawHtDNTT7MVl4B23BUZcKq7rSS47OhqxyTVTu3qCHGqq84AL6jTqoiVOiNgx2qq1kM8kL4F6lXdNZipQRANBBWQw/4j5qkgVQ454vfzTxsMeW4ae13f/Lif+/Zoa2trAxERERER2UQ/ZxdARERERNSXMGATEREREdkQAzYRERERkQ0xYBMRERER2RADNvWayWRCUlISPDw8oFKpYDKZnF0SERERkdN4cIo... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1AAAADyCAYAAABDJyRJAABJEElEQVR4nO3dfVzUddr3/xciUAqMSirkDbLJXgntFWMuguYNe5M3nac3p4B19sibE9zNX6Wgj1rbLRnW2uxq1aHyqvNSVsyzLKCNdc8UW9NJUxRNpmvF+qW/HGUVhNSBQQXk5vcHMulmijIwDL6f/xg0fL8HO/Z4zHs/x/c4vJqampoQERERERGX8PLycncJ0o66u7sAEREREZGupKmpibI6OHoBHA1Qr+MKj9bdCwK8IbwH9PcFL51AiYiIiIi4zuk6KKxydxX... | 0 |
math | kindergarten | represent-numbers-with-shapes-up-to-5 | true | false | Which group has 2 rectangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAEqUlEQVR4nO3dPY4UVxiG0a97fgIMhLYcOTLeABK7IWEdLIWE5SASQowTIg/pDIzEMK0iaCGReKLWU1bPOVGXKnmjR30ruZtlWZaLm5l/rmeudjO3ywAcxOlm5tHJzJ8PZn47n9lcfF2WN5drzwKO3bPHM6cfrvcPv5/P/PXLvkYAh3C1m3n/Zebfm5m/r2e2l7f7F2IDHNqjk31bZmY+72a2u59eABzaj7Z8W2a2604B7hPBATKCA2QEB8gIDpARHCAjOEBGcIC... | 0 |
science | grade-3 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAACwMklEQVR4nOz92Y9lWZbeif323mc+d7Rrs7l7uMeYmZFTZSqLRbJEVjcJClKrqRYECBIEQhIgQY8C9D/oQQ960VMLDb2o0Q/sBkG0ukGiW01QJKtYc2ZVVlZmzD67zXc+89l762Gfe908MiIrqzKClVVtCzCY2R3PNTvr7LW/9X3fEr+/sPadFPqK27iN2/gLxErD+xmc1jD24NdH7nZ5m1i3cRu/WPQVvJO6n9f65e3yNrFu4zZ+8djkUWNf3ib/cg7lNm7jr3/... | 0 |
math | grade-2 | read-a-calendar-ii | false | true | What date is 2 weeks before October 29? | "iVBORw0KGgoAAAANSUhEUgAAAssAAAGvCAYAAACthZgKAABecUlEQVR4nO3de1iUdf7/8SfDQQQF5OxZPJ/whGaKRKmlaXa0vum222ZWlra19rNcWjusmVvWVlab7VZrdtLMNVEzSl1QUElF8QAeEE+IRxAUkePM7w9ilODWIYFh6PW4Li9k7vueec+bmXte85nPfY+TxWKxsC8W0hLg3AlEREREpAZ4BUPHcOh8o70rkWvgZNn7Pwtnj0K3EeDkDBaLvWsSERERcWxOTmAphZQYaNYKutxk74rkVzKRllAWlDEpKIuIiIjUBIsFMEH... | [
"October 27",
"October 15"
] | null | 1 |
math | grade-4 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACMCAYAAABGU97NAAAiM0lEQVR4nO3da1yVdbr/8Q8gImIUhoVJSqUVKujCUwhFjccSHRUlwErdjbtsz+4wpuZZx5ysPNZW9/gvzQpuFDTxrKQoY7YURc0yJ81jihiKqIiwYK3/A6c1dnKXLrg5fN/PvG9cv+96vXpw8evyutwcDocDERERERFxCXezA4iIiIiIVCcqsMvJnj17CAkJ4bHHHqOwsNDsOCIiIiJSQVRgl4N58+ZhsVj48ssv2bx5M7GxsWZHEhEREZEKogLbhS5dukT//v154YU... | [
"isosceles but not equilateral",
"scalene",
"equilateral"
] | null | 1 |
math | grade-1 | compare-objects-length-and-height | true | false |
Which candle is the shortest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIYAAADbCAYAAACoaem4AAARjklEQVR4nO3cfWzcd33A8fc9+86+O8eOn31O0iRNazu0DUpLLn1YlQ5wJ6AV0KINSidYJ21oiAmmbRJiAmlogvGwMcbSdUhb2SgwkNqNFMrDSvGlD7SF5pzWpGkTnxM7foh9z3e/x/3x851z8bdJHLs+t/68pNPvnn6/+9r3vp+/9zvbLtu27UkNXi5A1gTDRmxAXheEPbAzBB1+cE2WbfvpTL2HJdaTGyLgPVZwLnT5YVejU43YeLImjOZhQoPfFsCdMZwbJIq... | 1 |
math | kindergarten | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAS+UlEQVR4nO3de3hU9Z3H8fdkJjOTyW1yIwkJhISE3FSgFgW5yUUwERR8WnGrRTRWKq1Wn/XZLbtrt152q8+2z1L79LGXpyhr6RZBLmpB0FhuTw0UXILhmpgbIRcgFybXmSTM/jGZMZMEzIRJzpyZ7+svcjLnnG/IJ7/5nTnfc47Gbrfb621Q1gGtvdBjRwifo9NAuBYyTBCvB0291W4/alG6LCGG784I0JV2OL5I1ENmqCPVQvia1l441w51NjjfAUGWHsc3JLT... | 0 |
math | pre-k | count-on-ten-frames-up-to-10 | false | true | How many dots are on the frame? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACQCAYAAAAyRxwtAAAIg0lEQVR4nO3dz4+cdR3A8c+z86u7m5a2GBoqsEg1xSAUgkAPYiUm1RjAmODBi0a9GePRi3+AevLmyRjx4JHEg0GtFmOMhiLBNvwSlBRSlmLShdJ0l5nZmccD8mNtd5eZ/TwzbZ/X67abyff5fG7vPHnmmeLo6X4ZAMR9e5rTHgGAK8DMtAcAAIAricAGAIBEAhsAABJd8MDhnbsb05hjap5cGqz52/72rxP7Dzb/EACMyB1sAABIJLABACCRwAYAgEQCGwAAEglsAAB... | [
"8",
"1",
"7",
"2"
] | null | 3 |
science | grade-3 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAACZU0lEQVR4nOz92ZNl2ZXeif3OfO658+xThMcckZEjkAkU0AUWqskqE1vNVlMykyj1gx7a9MZ/oZ/0l0gyo0l8kZrNJiWyiiyygEIVkJlIZGZkDBmTh89+5/nM5+hhn338RiJRVQ1EVGHwZRbmER7u16/fu9dea33rW99SPpym6e0ilDUu7MIu7JeweQyPlnASQF2H79XE59ULx7qwC/vVrKzB7aL4+yI+/7x64VgXdmG/ukk/CtPzz6l/P0/lwi7st98unOvCLuw... | 2 |
science | grade-8 | use-punnett-squares-to-calculate-probabilities-of-offspring-types | false | true | In a group of rabbits, some individuals have black fur and others have brown fur. In this group, the gene for the fur color trait has two alleles. The allele for black fur (F) is dominant over the allele for brown fur (f). This Punnett square shows a cross between two rabbits. What is the probability that a rabbit prod... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAALY0lEQVR4nO3dT4hVdRvA8Wf+eifHHCPHiRhqwNGFMEWOGyEtJYwoCBeRcGlRRFAtXAdCiyFatcpNtJFEIqiY2gSh4UIyuOIicieFEjKmKPY6jTXjeRfVzcFsZpxzPeMzn8/qeubcw8P8Nl9/98y5bUVRFAEAAKTQXvUAAABAeQQ+AAAkIvABACARgQ8AAIkIfAAASETgAwBAIgIfAAASEfgAAJBIZ9UDwN3q+vXrMT4+HkeOHIkLFy5Ee3t77Nq1K1566aWqRwMAljG... | [
"4/4",
"2/4",
"1/4",
"0/4"
] | null | 3 |
math | algebra-1 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $6 x^{2}+15 x+9=(2 x+3)(3 x+3) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAR0AAAFyCAYAAADIyA70AAAbUUlEQVR4nO3de3BU9f3/8Vf2Ei4bkmACudJgALlTElQ6qbVUYUCt7VDtH3aszLROx463dsaOtdSZ1nb0r9rb2Bmmlc60wzAqaC+Cl5gOhhbaL7hAlAQEUtIkJMLyC0kTYkj2nN8fMZFEyGXP2c92z3k+/oGckH1/5jXsa885m+STYdu23X5JOnlR+m9cGrAFAK4JZUgzgtKC6VJBppTR3mfb/9eV6mUB8IPV2VLoxMXBD4oypYWRwUYCALf8Ny4d75HaLknvX5Q... | 0 |
math | kindergarten | count-sides | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHyklEQVR4nO2c0UsbWRSHf5NMYpuq2YewywqCUHfFgoIKpqbiH29trCkqKFSyTUEQbBfy0BhNa5w4+zB2G2VyM3OTzJ1z7vleihXJcfJlvHO/SRzf9/2vXaDRAdo9wPMhCCPjOsBMFvirAPyRB5yvt75fuzI9lsCZ8izgfuoEX/yZB5ZeBBYKwqi0e0D9BvjSBf7pAJkrL/iGSCaMk5ls4BQAXPeATK/vG4IwTn46decDGbOjCLYgogmJIKIJiSCiCYkgogmJIKI... | 0 |
math | algebra-1 | identify-functions | false | true | Look at this table: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAABSCAYAAAARpZu7AAAIQklEQVR4nO3db0xT6x0H8C9Qesc/QVqOHkYJuRCzlQG7akvuNLvqCMkkUXyBEEO2pC8chs6QEIgvfMES30x9Ycw0RJORTDQLDtBMgzUz7NaVewEbUJKpZMNL+s+WovyTQVt69gLowlXPrsLtw3P6+yQk9DmQfJOTL895Ts55iOvo6JBACHknFQCM/XMP6xxkxad6G52PTSSedQBCNjMqCCEyqCCEyKCCECKDCkKIDBXrAOvx6+NZ2C4m4o+tPkx4Q8jNU6PmV1p4XwZ... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | one-less-with-pictures-up-to-10 | true | true | Count the bears in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAA9Z0lEQVR4nO3dd3hc2Xnn+e+5VYVKKBRyziQYAOacO4jsbnW3WmpKsluS1c7jeXY09lr2PiNLM7PjZ2SPZ2YtzzjMrmfssSVbliUrWOpuqbO6yWYCc0AgiQwUciygIqru2T8uWCCaoDqRRIH9fp6HD0HUrTqn7sV58OOpc9+jtNYaIYQQQgghxB1hLHUHhBBCCCGEuJ9IwBZCCCGEEOIOkoAthBBCCCHEHSQBWwghhBBCiDtIArYQQgghhBB3kARsIYQQQggh7iAJ2EI... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7sAAAB+CAYAAADlVwZsAAB4GElEQVR4nO39d5Qc133gfX9vde6e7p6ccwAmIOfICJAUk0RSOTv72VeS19K+Zy1pd1/7WJa9fo61a1t+Hse1ZVmSJUuiLZESA0iCyBjkMAHA5JxnOue67x816JkhBgRIIsyA93MODma6q6uqq/r23N/93SAAiaIoiqIoiqIot8QbYwmOTCYBEEhA3N0TUpT3DYlEgIRduWbMd/t0FEVRFEVRFOVecnQyOS+8VYGuotw5wihxAg5PJlWwqyiKoiiKoii30tVcbr1... | 0 |
math | grade-3 | read-a-calendar | false | true | What date is 2 days after July 13? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAGvCAYAAAAuQaExAABaLElEQVR4nO3de1iUdf7/8RfDQRQF5OxZPKKGpOSaIrGZ5YGO5lq57babVm6H37a2mstuZWvmN622bLdst1qyMk3dEjWj1AWF1PWIJzziCVFREZTzYeb3BzKCoA7GMHDzfFxXVzr3zfieN/fc85r7/tyf28lisVhUSdK+Em04UKLMC2YBAADgpwvwNOnW7q4a0tPV0aWgCXCqHPCT9hYr/bxFt9/kKmdnqWr0BwAAQG05OUllZdJ/dxWrXWuTIkPcHF0SDM5U+S8bDpZ... | [
"July 15",
"July 14"
] | null | 0 |
math | pre-k | count-corners | true | false | Which shape has 3 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACcklEQVR4nO3UO25UQRBA0ZqxxwHfDMQCgJSM/bAwFkREyifHpLaxhPHoETwhkTO6Iw3nRN1qqVTBVW+WZVku72a+3s5c72ful4F/dr6ZeXw28/LBzPOLmc3lz2X5cHXstThlb5/MnH+5XS8vLmZeP1wrhH91vZ/59GPm293M59uZ7dX9+iAyDunx2drUzMzNfma7/+sBDulPU7+Wme1xV+F/ITQSQiMhNBJCIyE0EkIjITQSQiMhNBJCIyE0EkIjITQSQiNxfui... | 1 |
math | kindergarten | count-money-pennies-through-dimes | false | true | How much money is there? | "iVBORw0KGgoAAAANSUhEUgAAAH4AAAA/CAYAAAAmJ3xBAAA1SUlEQVR4nO29d5Tl51nn+fnl382hbuWcuzrnqG5JlizLkmwZWeCAB7OAx8CwLHCGCcDuzDCznDm7ywwwLLAGe2yDscfYkm1JlqVWVqujOleH6u6q6sr53rr5l9/945bay8GyW2mZOfZzTp1K59z7Pr/v+z7vE77PcyUhhOAn8mMn8j/2An4i/zjyE+B/TOUnwP+Yyk+A/zEV9b1+AxH4VCsVysUCpWKB/OoqldUVypaNDMRSaWLJOqKRCGYkQiKRRNN1JEkCSXqvl/e... | [
"4¢",
"1¢",
"2¢"
] | null | 2 |
math | grade-2 | compare-sides-and-vertices | true | false | Which shape has fewer sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAKfElEQVR4nO3dS0xc1x3H8d88GJ7DAAOG+BEYcLB5OVaCbTBWVlZ2tpRVpNQLdxOliRTVipqX1CyySJNUliVLaVNv6oUTKVKlSLa6aJpNVBsIxS3haRvDGGpiMMNjGGA8MDO3i5khEUktF3Puufc/v8/GsZzM+Sv6ZnLnXM4dh2EYxvQacHsViCSAuAEi23I7AK8LeKoAqPQAjumYYfQs6R6LaPsdKQbco6up3zzhAfYVpuonsqtIAri5AtxbA26tAs6leOoPGDd... | 1 |
math | grade-5 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAa1klEQVR4nO3da1STZ7o+8ItAoCgyA4KIbgrBikASYW83WkvtDK1KtUo6HmrXKtbdGbrW7vztXu20ndap09N0dfa2nqY61g7V2uK0VjklEBJEzp4QUPB8aEVEioiIxABiIPl/QN4FHqaogTeH6/epy1vy3qx+udbjled1sVgsFhARERERkVVIxF6AiIiIiMiRMGAT3UV7ezvS0tKwZMkS+Pj4YPbs2WKvRERERHbATewFiGxJU1MTsrOzsWPHDuh0un6zmpoakbYiIiI... | [
"equilateral",
"scalene",
"isosceles but not equilateral"
] | null | 2 |
engineer | grade-8 | laboratory-safety-equipment | true | false | Select the apron. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAAj10lEQVR4nO3de3RU1b0H8O8+58wzyeQJMchLeSgPUQQReSllWbUIKtIqWgqoQG3rbe3qtUv0uupSW6u916vXe1V8VOSKWK+x+FgIBUVtAJGgIKIIASKEQCCPyWTec865f0yI89gzcybnTCaZ+X3+IzOzZzPJd/Y+++wHQAghhBBCCCGEEEIIIYQQQgjRiGW7Ar3FyXPOqRRCoUeyXQ9iHEWS7qs8fPhktuvRG0jZrkBvIQQCxUwQbs92PYhxBL//cQAUdABCtit... | 1 |
math | kindergarten | cylinders | true | false | Which shape is a cylinder? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAQL0lEQVR4nO3df3CT933A8bdkSZaEbMvINvhXwMY2ZINhfpQsIQFaky7bwgLZXVh6u6XZdZdL7nrLkl5v7S2X9bbLrblu17V3TbuuW3LLpaW3S0ggyZrFTUICNIQfZpDin2BjG8tYsiVZ1m9L+0OWkLAI4ADP87U/r3+MHj+2P7bffvT1o0fGkEqlUu4Y9IZgchoSKYTQHZMBSoqg2Q5LLGBwR1OpIwGtxxLi2t1RCqaeUPpGtQVWLkpXLYTeTE5D1xSMxKA7BMZ... | 0 |
math | grade-7 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAM0AAACmCAYAAAB5jwvwAAAOOUlEQVR4nO3df1RT990H8HdCCpXBY02H/QVbG0tBHxmWUiniM+CM2nAK9Tw7Qk+fM4p0s7G6M0RhYihzFUQ9orRuWLK1Q8UzT4HT1VqPPNYf0EFZHHWmtC6WGrtK1wltLIVRsTHZHyuZSFQu3tx7k7xff+JN7ifC+9x78/18v1+Vy+VygYgmTC13AUS+RiN3AWJQqVRyl0AT9Nxzz2HhwoWIj4+Xu5RJU/n67RkD45sMBgOqqqqg1WrlLkUwvwnNppXnZa6Ermf11mk... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAACmCAYAAABX731LAAAgJUlEQVR4nO3deVTU9f7H8ecAiqKIkksWpJELKoqJiqhXsIiwxLKrdi3X0NC6N9FcCjUp3DVcSoJCwaXcOl6XLC5qYj8UcGURAkeRK5g7iygKAvP7g+Bq0CQwK7wf53Q4R2e+3/c0w8vPd76fz/ujUKlUKoQQj02hUOi7BKFDJvouQAghDJmZvgvQBPmX3Xh8+umnvPbaazg6Ouq7FCEei8LYL7clII2Tj48PixcvxtraWt+lVJt85uqXOhOSy2bk6LkS8VfmBLY... | 0 |
math | kindergarten | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEsUlEQVR4nO3cP29bVRjH8Z+dP0PbwAbiBVBmpkp9MbyhSlVQW1EVgaioVJAKS1lggSlDh0xdmoLUJYrtNA7YtZXY95zDcCkq0qVJ43ufc8+5388Uy4n9DF/lme7TCyGEwUL6fS5NnVQEAStb70lba9LHl6QPN6Xe4DSEJ5PYYyFn196T1p/PyxcfbUqfXC4rBFY1ddKzmXSwkPbmUn9SlG8QGeq0tVY2JUmvnNR3b7wB1Ol1U8sg9eOOgq4gNJggNJggNJggNJg... | 1 |
math | kindergarten | select-two-dimensional-shapes | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAAChklEQVR4nO3VO24VWRRA0fOePy3x68yoA8JuhsBIPEpmwgz4ZARtCG2wZOOnIiiQyLF2SWatqK5ucE6wVXe3LMtycTvz4Xrm6jBztwz8tuPdzNOjmX8fzTw/ndld3CzLm8ut1+Ihe/Vs5vj99Xr453Tm5eO1QvhdV4eZt19n/r+deXc9s7+8Wy9Exn16erQ2NTPz5TCzP/xyAffpZ1Pflpn9tqvwpxAaCaGREBoJoZEQGgmhkRAaCaGREBoJoZE43mLo69eftxj... | 2 |
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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAADWCAYAAAAD8D2GAAAYzklEQVR4nO3d23MU54EF8NPd03PVHY1uRncQIEcgmQAOV5u1SS3YJmvsJLu216naddWmKo9bW7sP+7j7F+zLlqu2klRu641x4jjEdggywlwC2AgRG4QBIVkaXUcjjTT36e59aCQxzAhGaNTTM3N+VamgljTzydKc6T7d/X2CpmnaWBS4FQTmFCCugYgoIywCUCwBG51AtRUQxiKadtGf7WERUb7bVQJYvgrqH9RagU0uPY2IiDJhTgH6A8BoFLgZBER/XP8Ew4a... | 0 |
math | pre-k | cylinders | true | false | Which shape is a cylinder? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAP/ElEQVR4nO3dyY8c133A8W/tvc5KcjiUyBEJS7SEWIgkJpIDhZdIQAzZgYOcdcrBudq3/AFBDgGScw45xTAQAfJBthwByYkGYkahKFgKSFNUKA1pcWY4w9l6qa7tvRxqutk9Czdwqvs1f58LyWKzq7rn269eVVc3La21Xo7hyzY0Mkg1Qowc14K6A89XYM4HaznS+uPtYW+WEA/v9Qlwr7fzP8z7cLaaVy3EqGlkcK0FSzF80QZ7O83/QqIVo6zu5I0CNDOws76... | 0 |
math | kindergarten | curved-parts | true | false | Which shape has a curved part? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJwAAACcCAYAAACKuMJNAAACiklEQVR4nO3dO25UWRRA0VNllwN+nTViAEBKxnx6YAyIqFOazjGpbSz5U3odPCF1bJV3CbxW9J6urnSCrZPezbIsy/ntzL/XM5f7mftl4GBONzMvT2bePpt5fTazOb9Zls8Xxx6Lp+Djq5nTr9frz5uzmffP1xrhUC73M19+zHy7nfnnemZ7cb8eiI3H8PJkbWtm5mo/s93/7wAew8+27paZ7XFH4akRHCnBkRIcKcGREhwpwZESHKnTh1z66++7Q8/BzHz6sDv... | 1 |
math | kindergarten | count-corners | true | false | Which shape has 3 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGT0lEQVR4nO2dS08bZxSGX3NbpEm760VZ97Lpmj/T39cEBSkbuonUDbsYkBIRlKZUiEUCVIIFOEYO2EwWn2go2Nhjz3e+c3kfyRL2zMQj9OB4zrznO62qqqqjC+Cfc6AzAPoVCJmZhRbwaB748QHw3RLQOvpUVe2z0qdFPLP8NbCwe56e/LAE/PxVspCQWekMgHdd4PAC+PscmDvrpw2UjDTJo/nkFAB8HABzgxsbCGmSa6cuK2Cu7KmQKFA0IgJFIyJQNCICRSM... | 0 |
math | algebra-2 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $2 x^{2}+7 x+6=(2 x+3)(x+2) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAR0AAACrCAYAAABbjkinAAANg0lEQVR4nO3dbWxUVR4G8GfudFpgStvYllKgtJ3yIl3AQu0aixuFiGQBYwKYaHbXlcRoNmyyjQkmZvmkG40k60uyQWQjrpsVVl12idgKFF9Q0CBkhrChXSxUKi1T2mlhCjOlM/dlPwwdywCtpfee07n3+X0xvWj+xyfMM+fetnNchmEYnTHgdBS4rAGqASIi02S4gMluYPYkoCgTcHUOGMa3fbKXRUROcE8OkNESTXxRnAnM9SYaiYjILJc14FQECMaA76KA0qc... | 2 |
math | grade-4 | fractions-of-a-whole-word-problems | true | false | Mackenzie is eating meat loaf for dinner. Meat loaf is not Mackenzie's favorite food, but she is really hungry! Fortunately, she has lots of ketchup. She cuts her serving of meat loaf into 8 equal pieces. Mackenzie pours ketchup all over 3 pieces. Which model represents the fraction of the serving of meat loaf that Mac... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVEAAABKCAYAAAACEGeuAAACNUlEQVR4nO3XsVITURiG4X9DoEDQxtGxZtRLoLXSyooL4Nq4ABqttLLmDhCpxdGKADMgmWOxwwyFAuGThOjzNMnO7pnzp3lztmuttYOzqi8nVaNx1XkrAP5g2FWtLlQ9X656ulTVHZy2tnM467EA5s/6w6rh3kl/8Wyp6uWDvrAA/N5oXLV7XPX1rOrzSdXg8Ly/IaAA11td6HtZVXU0rhqML90A4HoXvfzZqgazHQVgvokoQEBEAQIiChAQUYCAiAIERBQgMJx... | 2 |
math | grade-2 | greatest-and-least-word-problems-up-to-1000 | false | true | A farmer recalled how many watermelons were harvested in the past 4 days. On which day were the fewest watermelons harvested? | "iVBORw0KGgoAAAANSUhEUgAAAYYAAAC9CAYAAAC3Sto/AABQnUlEQVR4nO3dd1QU19vA8e/SBKRJEdEoFlCxIKgxGhXF3pXEkp8lgjGWRCNWNPbeY4kxmlgwb8QWY4kldmzBAorYCwpYsCBFetmd94+VgZUiRQX1fs7Zc5aZO3fuzCzzzC0zoxjnfl5CEARBEID56+ujA9B7QP2iLosgCIJQxHzW+QOgVcTlEARBEIoZERgEQRAEDSIwCIIgCBpEYHjDYlUSHaJe0Cs6lliV6NcXBOH9IwJDPhxLSWVVQlKuJ3z/tDQeKVXcTFMyJS7... | [
"Sunday",
"Tuesday",
"Saturday",
"Monday"
] | null | 1 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed lines are vertical asymptotes. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACQZklEQVR4nO39eXhb9Zk3/r+1S7a873FiZw84OAmBBAIJSUvaZkhLCQwD3ZlnZn59+nSb/qbTZX7z9Ht1Htrpj5lOv52hHTrfYQqldKNQmBICBAgEHEISk83O5jjxFkeSZUuy1nMknfP9Q5YcJ160nKPN79d1cRnL0q2PFevo1q37fG6NLMsyiIiIiIhIEdpcL4CIiIiIqJgwwSYiIiIiUhATbCIiIiIiBTHBJppH3njjDSxevBg7d+7M9VKIiIiKloYnORLNH9u3b8d... | [
"$\\lim _{x \\rightarrow 6^{-}} f(x)=\\infty$",
"$\\lim _{x \\rightarrow 6^{-}} f(x)=-\\infty$"
] | null | 0 |
math | grade-5 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAcJklEQVR4nO3dXXDdd33n8a/+/uv46CGW7MiWjhM7sZMm0IY0LSVT0nbhipkys8MywzI7w+4wpXmwk5jADEySiyzt5CLplC6kjvMElKaQZWF2u8NOlzKBpUlbAhNaSiEtBBo7j5Zky5bsyLYsy0d7kVjnScc+ko50nl6vu/+JZf2i6OLDe/78/13z8/PzAQAA1EXS6AMAAEA7MbABAKCODGwAAKgjAxsAAOrIwAYAgDoysAEAoI4MbAAAqKOOG9gnfjgTL//XQzE3Ntf... | [
"1 pair",
"2 pairs",
"no pairs"
] | null | 1 |
math | kindergarten | am-or-pm | false | true | Rick is riding his bike in the afternoon. His watch shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABaCAYAAACCNCH/AAAI/klEQVR4nO3dQWhkdx0H8F92t7vuUnZGbCsI7ohePL3RSvFQmgVZs4huT1JBM8HDJiDMirBJPKiIdAvSpBfraZLTTvBQCmriJVsv3YMgXswTtCqiqxUs1jqvrt3dbtvxkCYNWTeZeftmJpN8PhAYZt5v/r95py///N//P9Jut9sBAAAU4tCgGwAAgP1EwAYAgAIJ2AAAUCABGwAACiRgAwBAgQRsAAAokIANAAAFOtLphW/86c14/dc3ov2WbbP5/w4dG4mTnzwRxyv... | [
"4:00 A.M.",
"4:00 P.M."
] | null | 1 |
math | grade-1 | times-of-everyday-events | true | false |
Rosa is reading in the library after school. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAKmUlEQVR4nO2de0xc1RbGvzMDwzgMTw9TKMWUFhheLaRCWypBMSCtUulDCBVpG/pIM00xIrGhaUSSRmOjNdWkaDSaGKNJE6harSlqbVqi2DaliaUtr1YjSClohAHkNXz3D+6c23FmoAycy413/5LJcNZea6+1J985++w9Q45EkrdHgbYhwGoDxgmBYMZ4SYCfFog2AAt0gHR7hLzQP99lCf5JrPIHvFqHJg/CdIDZd1J1AsFMsdqA5kGgaxRoGQI0/eOTDUJUgtn... | 1 |
math | grade-8 | apply-addition-subtraction-multiplication-and-division-rules | false | true | The number line shows an unknown number, p. Is 5 p positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGvElEQVR4nO3dT2iU+R3H8c8zmWfydzbOSlKU1Q1kXXaz2c26xjERu/XQU8Ut43qRghXcCors1R5sL4ogtIeCglJLQTC1l5FuioceCpNAzSRGmziYUtZmTFooozZqMmb+ZZ4expkY8kejs/PMk3m/DiHPMwl8mCckH375Pr/HsCzLEgA4SE9PjwzD0IEDB+yOghLhmgNwErfdAQBgtSYnJ+2OgBLjmgNwklcu2Ol0WsPDwwqHw2pubmYVAQCW8Dgjnb6X1shTS31TWX3... | [
"negative",
"positive"
] | null | 0 |
math | grade-4 | scalene-isosceles-and-equilateral-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACnCAYAAAArOCs4AAAgt0lEQVR4nO3deXTU1f3/8Vc2EsIShUQI27AkBMTYIAJNKQYQQZBjCsqiIK1BlEXUFrVShaqIFqW1tS2IFLD9oQJBkcqXHQI/vhjZk7AmCCEQEmJCIAQmyyQz3z9CIuOAAlk+szwf53B6DJeZF+f4x6vXe+/by2az2QQAAACgRngbHQAAAABwJ75GBwCcUUpKivbv36/k5GTt27dPSUlJat++vfbt22d0NAAA4OQo2PBoRUVFSkpK0v79+7V//34lJSVpz54911xrtVr... | [
"equilateral",
"scalene",
"isosceles but not equilateral"
] | null | 1 |
math | grade-2 | am-or-pm | false | true | After swim lessons, David waits for his father to pick him up. His watch shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABedklEQVR4nO3de1yUZfo/8A+IgwLjgeHgkIcBFTwwWVEBZoJSWq1gpm1KW7vfVWtrd4N2O0JbW7vScTeprV+76tbutuhumilWamGQJVCS6eABrGHsMDjIeBoGYUD4/cHOxMAc7jkxHD7v18tXzDz38zx3OvPieu7neq4roLOzsxNEREREROQVgf6eABERERHRYMIAm4iIiIjIixhgExERERF5EQNsIiIiIiIvYoBNRERERORFQf6eAPnfBdNFNLe2w9jS3vXf1q7/Bg0... | [
"2:40 A.M.",
"2:40 P.M."
] | null | 1 |
science | grade-6 | identify-earths-land-features-using-photographs | true | false | A volcano is an opening in the ground where gasses and melted rock can reach Earth's surface. Some volcanoes are shaped like cones, with tall, steep sides. Others are shaped like domes, with low, curving sides. Select the volcano. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOEAAAC0CAYAAABi8Es+AAEAAElEQVR4nIT917M9WZbfh33W3pl53DU/U79y7acH6BkMeoYDjiFADklAACEpRAlBhChICgUUoZDe+L/oVQ960wMlBkUFKZICzZAgwaABoBkMxvT0tK+urvr5645Js/fWw1prZ55fNUIn6lf33nPyZG6zzHfZLf/BP/hRKVKQIogUBICClEIUgExGQIRSBAECEMjYxQCIFELx3+3NUuyPws97RRGETKAgAkJe3E+fI3YzQRDKP/NeEoAilHL+eSkFfcu+XSDZz5y... | 2 |
math | grade-8 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{NP} and \line{QS} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAiBElEQVR4nO3de1RVdfrH8c8BBO9gmgqpgJqSVxS8pf4AK7FRDMxMK/MyZWM6ippZzjQyl7RmSjHTVmYNtswyK5hR1+Qdx/LScBDFTK0Q1LxgIF7ACwm/PxrPSB7wwubsczjv11quFXsfzn6+z+qPj4/fvbeltLS0VG6ooKBAkuTn52dqHa6K/gEAANjnYXYBZklKSlJSUpLZZbgs+gcAAGCfxV0n2EFBQbJYLDp06JDZpbgk+gcAAGCfW06wU1JSlJOTo+zsbKWkpJh... | [
"\\angle{NOR} and \\angle{QRT}",
"\\angle{NOR} and \\angle{SRO}",
"\\angle{NOR} and \\angle{QRO}",
"\\angle{NOR} and \\angle{POM}"
] | null | 1 |
math | grade-4 | transportation-schedules | false | true | Look at the following schedule: Kirk just missed the 11:15 A.M. bus at the college campus. How long does he have to wait until the next bus? | "iVBORw0KGgoAAAANSUhEUgAAAjEAAADjCAYAAAB0BkX5AACfo0lEQVR4nOydd1QU1/uHn6WDVCsqCoIKImJDRcGKYgQUbKigwRa7RhONxsSWGKNJTKyxJYoVELvYsBFFRbBgryi2qBERARVp8/uDsHHdXXYhmoTf9z7nzDnMLe+89/KZmXfuvTMrazs8QUIgEAgEAoGglKEH8Plgt3/bD4FAIBAIBAKt+faXU+j8204IBAKBQCAQlAQRxAgEAoFAICiViCBGIBAIBAJBqUQEMQKBQCAQCEolIogRCAQCgUBQKhFBjEAgEAgEglKJCGI... | [
"45 minutes",
"15 minutes",
"1 hour",
"30 minutes"
] | null | 0 |
math | grade-5 | parts-of-a-circle | false | true | What is \line{EF}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADJCAYAAABWm0bCAAArr0lEQVR4nO3deXgU9eHH8c9uNvcdIDcQIIQzHHLfN4haBEFR6tHDqrVatFqt1rPqT21trVVrpVoVT0DxoAJWgSBH5JArIgLhzJ1ISELubHZ/f4QsiYRLQmZ28349T55nZnZ25rNh//jky3dmLE6n0ykAAAAAHsFmdICWYLFYmv2Y/F0EAAAAM2oVBZ8yDgAAgNbCanQAAAAAAM3HarFYlJKSctILw4cPV0xMzEnbDx48KIvFon/961965ZVXZLFYZLfbL3jQWbNmaeL... | [
"radius",
"center",
"chord"
] | null | 2 |
science | grade-5 | use-evidence-to-classify-animals | true | false | Marsupials are a group of animals with similar traits. The following traits can be used to identify marsupials: They have offspring that lives in the mother's pouch after birth.
They have fur or hair. Observe the animals and read the descriptions. Select the one animal that has all of the marsupial traits listed above.... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOy9ebglVXn9/3n33lVnuGP37Xmgm26abmiZEWgBUQERB0AEkYCaiAMa0IAah6jRaBRjFHA2Mc6JE0ZxCMZ5QmSSGRm76Xm+fed7TtUefn/sqtN9GaQ13/zMI7We5zx9+9w6VXWq6p6zar3vu5bcOBzC8i7o0VSoUKFChQoVKlSo8L+CUQf3joOM2BAq4lmhQoUKFSpUqFDhfxujDiSEEP7UO1KhQoUKFSpUqFDhiQGz53+ec+GphCzgXCCEgFKgE4M... | 0 |
math | grade-5 | angles-of-90-180-270-and-360-degrees | false | true | What is the measurement of this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAA+CAYAAAARUWyzAAAJC0lEQVR4nO3de5iNBQLH8e+ZGSZjZ4awKrdunkbJJltsRkk7lFGUVouHUqEUtm1lKfvPlrb11ApZTLeHjKdWRWYoly5mKsJ2IWyJhEUIo4jB2T+mg2HSZWfObb6f/+Y95z3nd+av3/M+7/mdQDAYDCJJkiSpXCREOoAkSZIUTyzYkiRJUjlKAthbtJuHundiw+oVpR7MaJl5wgnDc2eFJ5kkSZIUgwKhe7D3Fu3mL13a8eX6tSc9YfJnO8MSTJIkSYpFgWO/5Lhz6xa... | [
"270°",
"360°",
"90°",
"180°"
] | null | 3 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAoQklEQVR4nO2de5xbZZnHf8+by2Q6HUrb6SSZ1toW5FblJrC4ukArWEAXUJeLyCqitC5SaKGdnCSDHm1zmSnIpahQBS8ILlt00UVouZSq6MpNbpaCQKHQziTtTG+0nUyS8z77x0zZMiQ5J8k5OZnp+X4+fD70nPfyy+Q8Oe/leZ8HcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcDigIbsFOADqNNWX6c+07X9... | [
"1\n3\n of a full turn",
"1\n5\n of a full turn",
"1\n2\n of a full turn",
"1\n4\n of a full turn"
] | null | 0 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAHJ0lEQVR4nO3dX2hTVxwH8K9dYtd642J0W5Nhp9hUwQ5tJ+iL6S0oQ6u+ZrMvbZHim3vwzZXFsoGCIn1w+L+FodAHR6nWvQylDsSBbfLQjbVRYY41Zay1f+K/pu3dgyRqmzQ3ucm9N/d8PyBSPfd3TpLzvX9yr8dltbW1iizLyIW+vj4oigLWy77enTt3clLLaLIsm/p9Fq2eTZZlBAKBnBQ8fvw4FEVhPQ31rILzylz1inJSiYhMjUEnEgCDTiQABp1IAAw6kQAYdCI... | [
"turn",
"slide",
"flip"
] | null | 2 |
math | grade-7 | identify-linear-and-nonlinear-functions | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABm4ElEQVR4nO3df3iU9Z3v/9dkJr9/kJBAEsAEEURBfkVRQaK4WLXSegr9gd1rt+vW7R67tT/22rPn293Tq9duj3V7Xbvdfmu1p9tzbLW7vb6tnqpbxUCxIlAQkADBRISIEBIgv0gmmd/3zNz3948wkQhIIveHyZDn47pamUnuV96575nPvOeTz9y3x3EcRwAAAABckZXuAgAAAIArCQ02AAAA4CIabAAAAMBFNNgAht1+++168cUXh2//9re/1fXXXy/bttNXFAAAGYY... | [
"linear",
"nonlinear"
] | null | 0 |
science | grade-2 | natural-resources | true | false | Which of these pictures shows a natural resource? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAEAAElEQVR4nOz995NlSZbfiX3c/aonQ0eGyIzUmZWidLWY7sJoADuDmR1IDoiFGblmNNJI8Af8F1j+ShJGGg2/YLlrRnJ3gIUczEyP6JkW07q6ROpIGVo9/d5V7s4f/N4XL6Iyq6oxu7+1d2dl5Isn7vPrfvyc7/me7xE/6Fh7vQYNxc/Hz8fPx8/Hz8f/jKOn4f4AtlOY8eD9afe4/LnR/fn4+fj5+Pn4X2Y0FFyvuZ/7+vhx+XOj+/Px8/Hz8fPxv9wobWxmjx/... | 3 |
math | grade-3 | select-figures-with-a-given-area | true | false | Which shape has an area of 9 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIYAAACkCAYAAABSHVasAAADHklEQVR4nO3dv25cRRjG4Xf9rwgJdIS0oBAJenwJ0FNRcSU0cCVpoKLnFnAPkjHQ4rR2YinGq0OxrITEK0Lh8bHOPk+3Wmm+o92fRqcZzWqapun8Ovn1KrlcJzdT2EEHq+TRfvL0QfL4KFmdv56mk4u5H4v75Pjt5ODsavPhyVHy7K1NNeyey3Vy+ir54zr55SrZu7jZfCGK3fZof9NAkrxcJ3vrf3zBbts28OeU7M37KNxXwqASBpUwqIRBJQwqYVAJg0oYVMK... | 1 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-1-dollar | false | true |
An ice cream cone costs 85 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADECAYAAADqBVUcAAC3wUlEQVR4nOzdd3gc1bn48e+UnV1tVe9dcpN7xcbYxnQwLfROSEhIIY3k3vRGEsi9uTflpkASQiqQhI5NMdgGm+KCe2+yVa3et+/OnN8fKy2WLdtyw4l/5/M8emxtmZkzc3b17tn3vEcRQggkSZIkSZIkSTorqGf6ACRJkiRJkiRJOnVkgC9JkiRJkiRJZ5FTHuB3xwRli3uZvKyP7pjM/pEkSZIkSZKkD9NxBfgvNMX4/s7wUQP3t9rj1AQtNvaY3LMueNIHKEmSJEm... | [
"no",
"yes"
] | null | 1 |
science | grade-3 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADPwklEQVR4nOz96ZNdWXblif3OcIc3+/MRCACBmHNikkWyySqqy6hSmUktk0z6opb+T6lasjbJ1Gp2dXdVF1mckpGRkTEhAoHRpze/O5xBH/a59zlYmTJmgh9aZvQwGAAPh/t79+67z95rr7W2+vNljD8YwcTwTx//9PE/y4+1h8+38KKBuYV/eSSf1/8UuP/08T/3j4mBH4zkzxt/+Lz+p8D9p4//f/jo4rSNh8/ZX/WF9358Soyx/wUBay1ZlpFlGafnJwwGA7I... | 0 |
math | grade-3 | match-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAOmUlEQVR4nO3da2yd9X0H8J/jQKA+XAXEaBSJ2Fw2Lj4pVEJyUtqKKdE2TSspYlsnKNLoJkIZRGryok0qkr5o0gGTBmGQqWqLAI3GedGpW0JFacEZFCaIuZRS7JSVS0+AECDH5B7vRRTjnBD7XP7nPLGfz+fVsXye5/lazouv//mf379tZGRkJAAAgCSmZR0AAACmEgUbAAASUrABACAhBRsAABJSsAEAICEFGwAAEpqedYB67dy5M9atWxcbN26MV155JV5++eWsIx0... | [
"seven fifteen",
"six fifteen",
"eleven fifteen"
] | null | 0 |
math | grade-8 | perimeter-and-area-changes-in-scale | false | true | Look at this circle: If the radius is quadrupled, then which of the following statements about its circumference will be true? | "iVBORw0KGgoAAAANSUhEUgAAACQAAAAUCAYAAADlep81AAAB00lEQVR4nO2UTUhUYRSGnzszIhfKsLyN15n+TIZoVLRhmpiYCSHJIRSJNqHSolwZEYFCC0EoV9JqKA2EiBKixUAZEwX9LS4FQy1KZhOS2Z8XSQi0u7qcdsLt705xoYh54MDH+c57eM8H51NMyxD+IXx/28C3lA25UTbkhqeGlj595sSxs0T0DkJr09yYuuO4v5c3CKp7uX41/9MeildrLyJk0v34/X7Gr4yweYv+Z41My5CmlojoIU06OlMS2x0V0zJWQwuuF8AR7Zm... | [
"The ratio of the new circumference to the old circumference will be 4:1.",
"The ratio of the new circumference to the old circumference will be 2:1.",
"The ratio of the new circumference to the old circumference will be 1:2.",
"The ratio of the new circumference to the old circumference will be 3:1."
] | null | 0 |
math | grade-3 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle equilateral? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACoCAYAAADabpntAAAlM0lEQVR4nO3de1hUdf4H8PfMcBm5KIlisJCJ6xiDRoVoXplBRVqQccMK6oeLQUZuu9q2F0tT09JayyxTwDLIUlOBGQJMYEkSF8zLJq5oiytluEQoyk0cLjP8/tBOWGZeZubMMO/X8/SH53vmnPdof7yfz3PmfCXd3d3dICIiIiIik5CKHYCIiIiIqDfpVQV79+7dGDhwIBYuXCh2FCIiIiKyU5Le9IjIfffdhy+++AIA8NJLL7FoExEREZHF9ZoJdl5enlCuAWDRokV... | [
"yes",
"no"
] | null | 1 |
math | pre-k | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAE90lEQVR4nO3dv1PbZhzH8Y+ELMvCliGuaRPiLoFmoBMecslUOrH0rhtTM/YP65it7RC2dGLIXbJ5SMNGehBcSpBlIwvZ6qCYAw4b/4rlR9/Pa+HAIB6etx9JWDZoURRFRwGw3wIaHSCMQCliaEBhAVi3ga9NQDtqR9FrN+lh0Sw8cQDjfSt+574JPF6M7w2UHo0O8K4JHAbA3y1Ad8P4BsZOp8JC3BYAvA6gd67cQOnUa3sRAXqyQ6FZY3BhGFwYBheGwYVhcGE... | 2 |
math | kindergarten | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHQklEQVR4nO2dzW4URxSFT/XM2IP/xiCU2IlAgMLfIkQmki12eY0ss0qeIFsWrLzPIllFyiZr3gCJHQtLkaIIsKWgKCSOBEjYjAX29HQWjQkgAkx13Vu3qs+3s6zuKk2duafndHVfV1VVtb0PbO0BuyUwqkBIY7oOmO8AZ2eAD6cAt/2sqm7txJ4WyZm1BaC7uVf/sTwFnJ+tVUhIU3ZL4M4Q+HsfuLsHFDuj+h8UGQnJfKfWFAA8KYGifOkfhITkUFMHFVDEnQp... | 1 |
math | grade-2 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAGp0lEQVR4nO3dy29UZRzG8YdehgGmOLW2pQ2XThSqXA0XjZLImZXGCxsMLIgJ3ZmoOxeszDT8B7rRuJhuNZIQZc2ACxJBzUQupqgpSNLhVhhgStuhw3GBRWln2jOXntv7/SQsaN7zOy/DeTqnc9731yV79uyxLctSI5w6dUq2bYt6tdfLZDINqeU1y7J8/TqbVq/FsiylUqmGFBwcHJRt29Sro15YcF35q15TQyoB8DWCDhiAoAMGIOiAAQg6YACCDhiAoAMGIOiAAQg... | [
"flip",
"turn",
"slide"
] | null | 2 |
math | grade-5 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAWJklEQVR4nO3dfVjV9f3H8SfncLj3hiTFuzQLL7FhKyZGKZYJdJDhDc67TNASK2tNm7NyZtbMtDBvSvcbmonDyAmZ4V3MMR0lTK2NFi5MchQbFI0gQTxwzvn9UZmmK4UDX5DX47rOJZyb9+d1zl8vP9fn8HVzOp1ORERERETEJUxGBxARERERuZyoYIuIiIiIuJAKtoiIiIiIC6lgi4iIiIi4kAq2iIiIiIgLqWCLiIiIiLiQCraIiIiIiAupYIuIiIiIuJAKtoiIiIi... | [
"obtuse",
"acute",
"right"
] | null | 2 |
math | grade-2 | fractions-of-a-group | false | true | What fraction of the shapes are circles? | "iVBORw0KGgoAAAANSUhEUgAAASYAAABKCAYAAAAWhflPAAAJfElEQVR4nO3dPXATZx4G8EffK60syV9I5uCwGZvBV9nuKGAuKW6GpHIa5kgFqY+0MFDCHGkhLbkOJiniCm7mCrjhiqSyUtydmciD7IsPyRjZq++VtLu6Ql4TuDjWanellfT8Wljv+z7S/vXuu/vuuprNZhNERA7i7nUDiIjex8JERI7DwkREjuPtdQPImORGDQBQkjUAQFho/bYsTgd61iYnYk79jYXJoVKZOv7xoorVtIwfs3WU9w+wo4iCG2cSfizNCDh/Noi5Kb/... | [
"5/11",
"2/3",
"3/4",
"1/6"
] | null | 1 |
math | kindergarten | one-more-with-pictures-up-to-5 | true | true | Count the planes in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAph0lEQVR4nO3daZBc533v9+853X1637eZ6dkHALGQwIALQElcHImSrq9l3WtZXnSd8s1yU+VKuewqv3L8Nm9SeRknuZWUXaUklu+VFUuyRVGRSUokwBUksZEAAcy+9Cw9Pb3vp/s8edGDAUbcsDQGA/H/qSIxxPScc/o886/58Znn/B9NKaUQQgghhBBC9IR+vy9ACCGEEEKIXycSsIUQQgghhOghCdhCCCGEEEL0kARsIYQQQgghekgCthBCCCGEED0kAVsIIYQQQog... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7sAAAB+CAYAAADlVwZsAABQIUlEQVR4nO3dV5Rcd37Y+e+9VXUr59Q5IoNEAwwAySFBaciZ8Yyk0cwoS2vZuyuftX187HN89sHrtz162eOnPZbX3rUtW5Y1tkaBQ2kCPcMwQ4ARJCKRgc6huivnXPe/D9XdAAiQRGgAzebv88AGu6vvvXX/91f9//2jBiiEEEIIIYQQG0IpxXITrlah1IG21LaFeCCsGngtsN0FcQM0JNkVQgghhBBiwyw3FMeKD/sqhPhiO+QD68O+CCGEEEIIIbaSK9Xu114... | 1 |
math | grade-8 | apply-addition-subtraction-multiplication-and-division-rules | false | true | The number line shows an unknown number, t. Is – 3t+1 positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGOUlEQVR4nO3dXWhTdxzG8efUJa1tfel8W8cqzk1xRWjVmrZSpzAZqMiMOJm7cB2Cm0U2txvHZCCsdvNKLxQUnHMFRbyoHQ5v5sXSwkhS0xcW7Da3WnQDX9nG+ppos4u0sV1fxfT8E/P93KTn9BQeOLl4+Pd3/seKRCIRAUASOXv2rCzL0vbt201HgU245wCSyTOmAwDA47p586bpCLAZ9xxAMplwwQ6HwwoEAvL5fJo7dy6rCAAwiY40n9e31+vVfPeaZqZna8H0XH1... | [
"negative",
"positive"
] | null | 1 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.