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 | kindergarten | more-or-less-likely | false | true | On which color is the spinner more likely to land? | "iVBORw0KGgoAAAANSUhEUgAAAbsAAABkCAYAAAAfdp5QAAAQLUlEQVR4nO3dfXRTZYIG8Oc2aZqkLbnB1gMDFFr8YBFaaIqi4yB0EN1Rx0FF2oK6qGf8xHGPyjizfp09ZxWZs7vgGWH8ooxOW2SVDxmPO8qHgO6oNLEtZfkQKLbgFjo1N03TNDTN3T9aGKRpm7S5902b5/eP54C97xP+6HPe3PdDUlVVBRER0TCWJDoAERGR1lh2REQ07LHsiIho2DOKDjAQPl8bFI8Cxa3ArSjwKAoAwCbLsMsyZLsM2SYjNdUqNigREcUFKZ4XqDQ... | [
"green",
"white"
] | null | 0 |
science | grade-4 | use-data-to-describe-climates | false | true | Which statement best describes the climate of Rome? Hint: Summers in the Northern Hemisphere occur in June, July, and August. Winters in the Northern Hemisphere occur in December, January, and February. Rome, Italy, is a city in Europe. It is located in the Northern Hemisphere. It has a mediterranean climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAK3CAYAAAC/cTiKAADg8klEQVR4nOzdeXxU9dX48c9M9n0PIXsCIQuQkLAEwg6CKJssiggqaq1LfcrTxy62tcvPp7V92mpbt7baVtwqigJKWFS2sIcACSGQhCRkh5CF7NtkZu7vj2EGQoIGmckMet6vFyRz587cM3NvZs5853zPVSmKoiCEEEIIIYQwC7W1AxBCCCGEEOKbRBLsW1BGRgYqlQqVSkVKSoq1wxHfQuvWrUOlUjFmzJibvi9/f3/T8Wz8p1arCQwM5IEHHqCysvLmAx5kr7zyCiq... | [
"Winters have lower temperatures and more precipitation than summers.",
"There is more precipitation in the summer months than in the winter months."
] | null | 0 |
science | grade-4 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9Z6yt+3beh/3eXmcvq5e9du/7tHvOuZX3skqkRIuOSVmkKCU2IceCnDhfAgQpQAAD+ZIYcZQYCJLIlkKbUUReXTKmSF1f3X5Puaef3ffaq7fZy9t7PrzrbCsBHRA8XxyAE5hYC3Pvtdac7zv+4z/GM57n+Qs/nRXFVQsqEn/5+MvHfycfTgZPPDiNoSHDl+vl6+JfBu5fPv67/qhIcNUqv3ez/+Z18S8D9y8f///w+CxOk+K/eU3+s/7jd77511E... | 3 |
math | grade-1 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAUzklEQVR4nO3dXYwd530f4P+Z87ErcperSAopSrZslJTUAlJlRXJzQQmC5MKVLcAJHKNSEKAW4AC5cREXuYgDSClaK0Dbm9ioY6CFU0i9aQrYDVDAihokLmxLcQFZTmxZjWuarSBKFEWGFMn9IM/XTC/WpEiTXO7HOTOz7zwPIEDg7sz7/t6X5/B3ZuecbRVFUQQAAJCErOoJAAAAk6PgAwBAQhR8AABIiIIPAAAJUfABACAhCj4AACREwQcAgIQo+AAAkBAFHwAAEqL... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAXCUlEQVR4nO3dW6xl9X0f8N9a+3LOnDmXKeAZBmxsdQZIJSgm4OYBEAJXLjaS0zpWIeqDkRwpL67iKg9xJEjVmkhpX2KrtqVGToX7lEh2I1UyoVFLhYG6ChdfMInrMS2C4TDMZO5zzsy+rdWHw9yY2zlz9l5r7bU+H8mSmTN7/f/f/3/22fu719p7J3me5wEAANRCkiRlT6GS0rInAAAAMGmKDwAAUHuKDwAAUHuKDwAAUHuKDwAAUHuKDwAAUHuKDwAAUHuKDwA... | 1 |
math | pre-k | count-on-ten-frames-up-to-10 | false | true | How many stars are on the frame? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACQCAYAAAAyRxwtAAANC0lEQVR4nO3dwW+T9/3A8Y9/JHZgZEnjQNStYrkQTkGTCjtFkxgqEtOQOBR2Yadx25+2I4cdKjhMPa3rYePQkQhIq2oraOlIkcBxGvl3oN4CSRwn/j5+7Of7ep0SJ3Ge9+n56PnYj2sPvtnuBABxZWGi7EMAoAL+r+wDAACAKjFgAwBAQgZsAABIaM8LDj+cO1HGcZTm82933vpev/6c6N85/JcA4IhcwQYAgIQM2AAAkJABGwAAEjJgAwBAQgZsAABIyIANAAAJGbA... | [
"6",
"10",
"7",
"5"
] | null | 1 |
math | grade-7 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 8 numbers: How would the range change if the number 1 were added to the set? | "iVBORw0KGgoAAAANSUhEUgAAAPUAAAAkCAYAAABR03zvAAAG2ElEQVR4nO3de2xbVwHH8e+1ndhN4gQSx3k23cjLSVjSbV22rIOJdm3UkrYZnUZRC9MkYEiABgikgsQACfiT50BVBStjY+0QIJQpKR2vrd2WtCFJ07Rp86BNGyfOEudpJ44d25c/nGTy2gohzvHdrPP5L8fK/VnH9+d7fH1ta7qu6wDhMCwvQzSCoijvE5oGmglsNrBYVsd0XdeDyxAMGnvnFEX5/1itYLWBJRJWhVaUZBAMgtkCJlVoRUkeoSCYIuo1tKIkjUgETLH... | [
"increase",
"decrease",
"no change"
] | null | 0 |
math | kindergarten | compare-two-groups-of-coins-pennies-through-dimes | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlYAAACYCAYAAAAm2KfyAAA/jklEQVR4nO3dd5hd933f+fept9fpBTMABjPovREEq0h1SpRlxbJlJfa6RLHj9cbeOH03WSebJ082ycaJkzi2JMtViixThaIkdoodANF7BwYzmF5uP/23f1yQkh+un5DSABhwvq9/0J6Hcz/D8537uef8zu9oSik17sGFOlRCCBRCCCGEEOIdMDXIGDCYhA4btHFXqf3l2/2yhBBCCCHubLuzYJ6vN//QZcPqVLN1CSGEEEKI/7lKCGdrMObBuTro5aD5D1KqhBB... | 0 |
math | grade-4 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAa7ElEQVR4nO3dfbBcd3kf8GfP3ZWvri1LlmXJMqgBHFlvxrwlDi8ZgifMpHFpybR1k9Jpy0tsYBIChEAgLxMIKZCEF4dCsLGx5TcCBgMFZtqUBqYpnTYt7ZRQYlsvyDbYkuX3F4lr3T3n9I/rnrPSXlv33j1nz+7ez4d/fs/V7u88+e8736x3W3me5wEAAFQiaXoBAACYJAI2AABUSMAGAIAKCdgAAFAhARsAACokYAMAQIUEbAAAqNDQAna6560x9z9eEPHE3cN6JAA... | [
"no",
"yes"
] | null | 1 |
math | kindergarten | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAUGUlEQVR4nO2deXRcV33HP/ctMyN5JMuSbEm2ZG0G54/aoSQppYQEmoalOQnQsAROWMohhCVAOJTDXtJQoO3pOf2np3/0H85p/uT0QBIgZCOxCwGSOMExZHdjm8ayrRnty2jmvXv7x51FsiRL1ixvmfv5x7No5v5kfXT1m/fu/T6hlFJn8vDyAsz64CkMhtDhCGiz4TWt0JMAcWZJqcdngi7LYNg8b2gH56UFfacvAfu3aasNhrAx68ML8zCWhxcXwJrx9BNGWkO... | 0 |
math | grade-3 | reading-schedules | false | true | Look at the following schedule: Which class ends at 3:05 P.M.? | "iVBORw0KGgoAAAANSUhEUgAAAToAAAEtCAYAAACYkax/AACshElEQVR4nOydeVxO6fvHP48WaS8t0qbSIg0VklAqSYowSmSLkRj7mLEMBpNlbIMMWYcMWixR9qTsSynKUhIia0oU7dfvj77P+Tk9S0+qMdOc9+v1vDj3fd3Luc8517m3zocXEeBI4ODg4GjCSAOA+5gpX7seHBwcHI3CqV0haPa1K8HBwcHR2HCOjoODo8nDOToODo4mD+foODg4mjyco+Pg4GjycI6Og4OjycM5un8gOS/fwG7kdLgGzcWn0lIAQPazF/hp/Q78tH4... | [
"Mr. Wong's class",
"Ms. Howell's class",
"Mr. Kramer's class",
"Ms. Wu's class"
] | null | 3 |
math | grade-5 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACmCAYAAADgZPidAAAZ20lEQVR4nO3dfZRU9Z3n8c+9detWgc3zg0DLEBaRSAwN0jSNImaUMRJNdCcZzeQkOtn4sDMZ+UuzczYx+8dkcs7ucM6ciScZE2Z2xiWzo2eOkzFmZWIiiQa1aRtoINtIWCQMNM3zYwNVt27d3/7RcKtKQHmo7l9V3ffrr9/9ald91G7Ph+rf717HGGMEAAAAoCpc2wEAAACARkLBBgAAAKqIgg0AAABUEQUbAAAAqCIKNgAAAFBFFGwAAACgiijYAAAAQBVRsNGQot5... | [
"no",
"yes"
] | null | 0 |
math | grade-8 | model-and-solve-equations-using-algebra-tiles | false | true | Which equation does this set of algebra tiles represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAAIz0lEQVR4nO3dT4xdVR0H8N99b4YBXusUxg4FpgQwATv1DxRbBAQM/3YYderCpLKRRBLTaLDEDaZpjcEqQRZ2Y4j/4qbEgYTYaGJqUhtoLBHE2BYshE5a2mHapKaZaaft3HddVCc2bZPWnvfn3vl8Vu/dvDnfc9/qOyfnnZsVRVEEAACQRK3TEwAAgCpRsAEAICEFGwAAElKwAQAgIQUbAAASUrABACChnk5PoGryidEopnYnHzdrLIn64MicywMAKJvsv+dgn3jt1cj... | [
"4x+1=9",
"– x+1=9",
"– 5x+1=6",
"– 3x+1=7"
] | null | 1 |
math | grade-3 | match-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABUa0lEQVR4nO3deViUVfsH8C+orDJquaSgIGbKWO4CammlYAlaibumormVhr5uveXyKpopmuKSCypuuYLlWkKlUSq45fJzSFNgZJAM1weBGdx+fxgjCDPzzD6D3891eckw93OeO2Iu7zlzn3McHj9+/BhERERERFQuOFo7ASIiIiIiMh0W+ERERERE5QgLfCIiIiKicoQFPhERERFROcICn4iIiIioHKlo7QTI+pRKJQoKClCQn4+CAiUKCvJRUFCAChUrws3VFa6urnB... | [
"twelve o'clock",
"ten o'clock",
"three o'clock"
] | null | 2 |
math | grade-6 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAATb0lEQVR4nO3de3TU5Z3H8c8MQyYXGYEcLpElKknUgCI1IreES4WjtV4qWC9QAUmQgLbidnu2bo/bU9dj1909RwRJhpAQQESCIEJb6oV6QwtG8HTtzl7ItOc4ahh048KgEwanmf0Df2mAJOQyM78nzPv1F0x+83u+J/nnc77neb6PIxaLxQQAAAAgLpx2FwAAAACcTwjYAAAAQBwRsAEAAIA4ImADAAAAcUTABgAAAOKIgA0AAADEEQEbAAAAiCMCNgAAABBHBOw+5PD... | [
"obtuse",
"acute",
"right"
] | null | 2 |
math | kindergarten | one-more-with-pictures-up-to-10 | true | true | Count the planes in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAA5oElEQVR4nO3dd5xc1X3//9e903bKzsz2pu1FbdW1K61AIIRwAMfBxmDys40bYDuJ4xo7jp04JJhvjBPXnx07uPB1bMcG04xjikE0oYK0q7Ja1S3avtoys2V6u+f7x6xWEiAjYFda8Of5ePAAaWfunLlHb90P5557jqaUUgghhBBCCCFmhX6xGyCEEEIIIcRbiRTYQgghhBBCzCIpsIUQQgghhJhFUmALIYQQQggxi6TAFkIIIYQQYhZJgS2EEEIIIcQskgJbCCGEEEK... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAABtIklEQVR4nO3dd3xdd33/8dc5d+nuq72sPbwty7a8HTuxA0koDVnQsiGstpSW0lJGaSkpv1+BQikNhR8EKITR7JCUhJA40yuW5CHLS8vaW1e6e5/z++NKsh3bxEk8RPR5Ph55KJauzj33fO9H532+93u+XwXQEUIIIYQQQlwSuq4zHIeOMARSkJS0LYQQYg4xKuA0QI0N8s2gIB1DQgghhBBCXDLDMZ39/qu9F0IIIcSrW+cC49XeCSGEEEIIId5M2sPpr4VmWGh... | 1 |
technology | grade | logo | false | true | This is (part of) a (former) logo of which computer related brand? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAB1CAYAAAAGN4lbAAAN7ElEQVR4nO3dZ5QUVR4F8FvVOUxPYgAJIiCKiiI4BBdXUYRVcI2LESWZABFFggquLqK7KIKiwqqAyoKKAQU9ghldMcABREFBUUQRCTPT0zOdu7pqP8x6wMBUzUz3qw739/lfzT2Hcy5F1av3pN0o0UBERMLIZgcgIso3LF4iIsFYvEREgrF4iYgEY/ESEQnG4iUiEozFS0QkGIuXiEgwFi8RkWAsXiIiwVi8RESCsXiJiARj8RIRCcbiJSISjMVLRCQYi5eISDAWLxG... | [
"Alienware",
"Compaq",
"Nintendo",
"Iiyama"
] | null | 2 |
math | pre-k | select-solid-shapes | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAQ6UlEQVR4nO2de4xU13nAf3f2zWvXrGF5rQGbxRBsQ8AGO3ZM6zhN2iZ205rKDrJdt35VamUpiiKlUh9q/ugfqdSqTRTHxsUxiRIcpDh2Y9UmxOAnkOAaYwNe1mZ5GDB46cIu+2Aft398M7N3ZmfZmTP3de5+PwnNzL1nzv3Y+ebM9zrfdVzXdU9dhLYe6BqCQRdFiR2VDkytgJZJ0FQNzql+1919PmqxFKV41kyDykM98mJ2NVw9WbRaUeJG1xB8cAFOXoTWHki... | 1 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAfbUlEQVR4nO2deZAc5Zmnnzcz6+iqvls3khD3LWwjIyQkkHyAMWDv2oM9M2HHhi/mssFe2+GY3dhYR+zExGyMPQMSOAjGHnvt3Ykd8IzHa9AwgEcyQgcgwBhhQMIIELqlVl9V1VWVme/+0UJSq7urq7qr8stqviei/1ArO99fdecvv+v93g8sFovFYrFYLBaLxWKxWCwWi8VisVgsFovFYrFYLBaLxWKxWCwWi8VisVgsFovFYrFYLBaLxWIZHzEt4N3I4LbrLhHhZlV... | [
"1\n3\n of a full turn",
"1\n4\n of a full turn",
"1\n5\n of a full turn",
"1\n7\n of a full turn"
] | null | 0 |
math | grade-3 | compare-fractions-in-recipes | false | true | Does this recipe call for more lime juice or lemon juice? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFwCAYAAACCdAwbAABhJ0lEQVR4nO3dd3hUVf7H8fdMeoOYUEIVBRsQapYuRARFJC4IiAusIrA06U1+FAlSFkUJskGaRgRFUBaiIkhTXKO0ABFiCE1ASiCEkAbpM78/YkZCEkhghgT4vJ6H52Hm3nvO9x6i852T7z3HYDabzfzJbDZjMpnIysqy/DEajTg4OGBvb4+dnR0GgwERkdLGbDaTnZ1NVlYWmZmZmEwm7O3tLX+MRqP+/yUiIneEITfBNplMZGdnk5mZSWZmJg4ODri4uOgDSUTuSma... | [
"lime juice",
"lemon juice"
] | null | 0 |
math | algebra-2 | linear-functions-over-unit-intervals | false | true | How does h(t) change over the interval from t=3 to t=4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABrlklEQVR4nO3de3RT550v/O/WxVfZWLbBNiY2IQSCjW0uIYSLuYQ0ySRtptB2SLt6yVnpzGlPb9P3rJnV1dXpe6ZvVlbXmmnnbU7a05MznSSdd9Z0minJTCCGkgC2YwMGBww2hDgGfAF8kS3Juu6trb3fP2Q5KGCQ7P1Ykv39/JNYeP/8897W8/z06KdnS7qu6yAiIiIiIkOYkp0AEREREdFcwgKbiIiIiMhALLCJiIiIiAzEApuIYjz11FN4/fXXb/tvJ06cwMMPP4x... | [
"h(t) increases by a factor of 4",
"h(t) decreases by a factor of 4",
"h(t) increases by 300%",
"h(t) increases by 4"
] | null | 3 |
math | algebra-2 | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the range of this logarithmic function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABfjElEQVR4nO3de3TU9b3v/9dkZnK/kkACkQQBQcEEREFBqFisWrW20N2D7a8Xe9zttqe27nb9en5d+9f2dHf5c3edvdsuPbanxx5PtXvt36+n7qq7goGiotCgoBECiRdigFwIuUwyM5n79fv7A5NN5JbA9+Mw8Hys1WVnmO8r73y+M595fz/5znwdlmVZAgAAAGCLnEwXAAAAAFxMaLABAAAAG9FgAwAAADaiwQYwQW1trXbt2jV++/Dhw5o+fbq6uroyWBUAANmDBhv... | [
"$\\{y \\mid y \\geq 3\\}$",
"$\\{y \\mid y \\leq 3\\}$",
"all real numbers",
"$\\{y \\mid y<3\\}$"
] | null | 2 |
math | kindergarten | one-more-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABeCAYAAAAZpWPpAAAIOUlEQVR4nO3dz4+cdR3A8c8zv3anu8Nuu93SlhJEIhdNBYocjD8SOHghRgNBiQeNMTEmSOLBg/4LRhITlJB41WBCOaARPCjx4A8EKhvDRWMEU9iG7u+dndmdnZnHQ1sI0HZtmWee2Wder2TT7eV5Pvuc3vPNd75PkqZpGgAAwECU8h4AAACKRGADAMAACWwAABgggQ0AAAMksAEAYIAENgAADJDABgCAARLYAAAwQAIbAAAGqJL3AIO0/Z9O7J7rRne1F7urveiu9qK... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6wAAAB2CAYAAADMdh6QAAAO+0lEQVR4nO3d2Y9k51kH4Le6lu6a7p7u6WU8M7ZlhxDnJnIWZxGEgBQjoUhJQHKURbkgQBDKZgkkkOAKpHAByLlxgpU/ABREHAkbJUHCibgA5CyOR5CLLAgcJtOOp3qm97WqDhc9TTJOT1f3pL+zVD+PNKoZ2arz9lt9pPd3vlPfqUVEFgAAwInIsixe3In4/kbEai+ia9qGI2vUIibrEa86E3FXK6IWAisAAJyYF7ez+NpK0VVA9b3lbESj6CIAAGCYfG9j7/V... | 0 |
math | grade-4 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD6CAYAAACbKDARAAAiiUlEQVR4nO3deXRV9aH28Wfvc/Y+hEAYEhS8DAqCAmWKQBjaXnFda/WuClZ5uddhdV2urXQWtdVah9ahalurbdWi7et6uxDf5Y22oG/V2la83jLEYCCkKIOgDEKUECCBkOx99t7vHzshB0TICSc50/fzn6su1y6ExXN+53n2zwiCIBAAAACAlDDT/QAAAABALiFgAwAAAClEwAYAAABSiIANAAAApBABGwAAAEghAjYAAACQQgRsAAAAIIUI2AAAAEAKEbBxUs/Xehr... | [
"no",
"yes"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAbU0lEQVR4nO3da4xc5X3H8d+5zOzszeMa8GInNUS+JQoBokAq1TiUNhcCNC0hVaiQSkirVEp40YtUtxL0ArwIVZVUqojUqEmxqrYkTRopip0lSoWI7aYN0GIwTXxTXQOLd40NZi/euZxz+mIYe73eWc/OnMtznvP9SAhpd+Y8z/95zmP9ztln5jhRFEUCAAAAYAU36w4AAAAAiA8BHwAAALAIAR8AAACwCAEfAAAAsAgBHwAAALAIAR8AAACwCAEfAAAAsAgBHwAAALA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAgYklEQVR4nO3da4wd5Z3n8V9dzunT7e4+XgPdNmQMkW+JApgodkZa22EzQxIC3tkNZhRWSCEhs1mJ8GJmVxrPSJDdAV6EaAQrjYi0TJLBWs0MySQZKcKOHbETEdub3QAbG0wS3zSejmncbXxp+uI+l6raF4djt/vmc/rU9anvR0JR2udUPf/nqSqdXz11sYIgCAQAAADACJZlJd2EVLKTbgAAAAAARI3gAwAAAMB4BB8AAAAAxiP4AAAAADAewQcAAACA8Qg+AAA... | 1 |
math | grade-3 | fractions-of-a-group-unit-fractions | false | true | What fraction of the shapes are triangles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACUCAYAAACp1l47AAAH7UlEQVR4nO3dP29UVxrA4Rc8zBJbdvDahsH/4oiIjXaltNvs94iUz7AlH2CXOpKp0sVAk4IJ3WKJVFAZOatFQjYCNzixrUjjFBhpKDLFbAH2soqWHciZe+698zy977xzGv90NDPvqX6/3w8AACCJ07kHAACAOhHYAACQkMAGAICEahvYmwd3Y/Pgbu4xAAAYMafq+CXHTncv/vqPv0RExK3Pf8g8DQAAo6SWN9hfbV7JPQIAACOqdoG93dmIx50HuccAAGBE1S6wbz6... | [
"1/2",
"1/4",
"1/8",
"1/6"
] | null | 2 |
math | grade-8 | identify-linear-and-nonlinear-functions-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAH5UlEQVR4nO2cbUhT7QPGr7PCFWVZWTjLNDV1lIpiL0hvGpg+OiLsWfShEkajUooopVcVitAl6FioKUn2IaU08iWHfZDMilkfMi0pCmpQGWlk86UN3TnPp/bH/8p5bu+zHNy/b95n574uLs/LPOfyxq17rYIn4Ck+ZWBQhQVKGRYoZViglGGBUoYFShkWKGVmSzHpmzdvkJyc/MftT58+xdKlS6WQFo3VaoXBYEBjYyP6+/vh7+8PtVqNgwcPYtasWaLnkyTQgIAA1NT... | [
"nonlinear",
"linear"
] | null | 1 |
science | grade-2 | classify-rocks-and-minerals-by-color-and-shape | true | false | Select the brown rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAC6SklEQVR4nOz92Y8lSZbmif1EdFe9+7XVt1hzz6qsKkxvs/f09BAgZx5mAILgM5/5zxEk2GTPDIcYYAbd7FoyK7OyYkn38NW2u1/dVUWED6Kq7h4RGdmNqkF1FkwAD7Mwu3ZN7V49Iud85/u+I4wxhvt1v+7Xty75d30B9+t+/fu87gPkft2v71j3AXK/7td3rPsAuV/36zvWfYDcr/v1Hes+QO7X/fqOdR8g9+t+fce6D5D7db++Y90HyP26X9+x7gPkft2v71j... | 0 |
math | grade-1 | interpret-bar-graphs-ii | false | true | Bella sorted through a kitchen drawer and found some forks, pens, and green crayons. She made a bar graph of the items she found: Which item did she find more of, forks or green crayons? | "iVBORw0KGgoAAAANSUhEUgAAAgoAAAFfCAYAAAAvauSMAABTe0lEQVR4nO3dd3RVZcLF4d+t6YV0AimUUAKEEpo0KWJFsY5i+UBRUSyIYx8LlrE7AurYUEHFsQ4oVlAIKE0ILTSlJiSEkt6T274/mIkwGiGUnJtkP2uxVm47Z+cac3fe8573mDwejwcRERGRP2A2OoCIiIh4LxUFERERqZOKgoiIiNRJRUFERETqpKIgIiIidVJREBERkTqpKIiIiEidVBRERESkTioKIiIiUicVBREREamTioKIiIjUSUVBRERE6qSiICIiInVSURA... | [
" green crayons",
" forks"
] | null | 1 |
math | grade-8 | identify-linear-and-nonlinear-functions-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAJkElEQVR4nO2ce0hU3RqHf3uykSiLz6wcNWemMcdSjFK7kRaOSaVSkkcpigwhm5QxiSQIMrrhLbSkJistNSoqI7FSB7pIRVLgrTTJsCY1ySTMS2nqrPPHwTnffFq2t2uf8LQemD9mre37vjysvd3s9c7GtTulZDwwXuqUgEEVJpQyTChlmFDKMKGUYUIpw4RSRjShUVFRUCqVwz779+8XK6Vg6urqEBERATc3NyxevBhHjhzBwMCAoFhWlGsz09PTg4CAAERFRVmMz5w... | [
"linear",
"nonlinear"
] | null | 1 |
math | kindergarten | count-corners | true | false | Which shape has 4 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGzklEQVR4nO2dTU8bVxSGj/mSmibtLlV+QFqp2y7yU/ojSxBS2DgLJBawiESMYkFiqCXEInYXsDCOPTYzc7uYEBmwPR773nPvPed9ViHEySh6sGfOvGfemjHGdMdE/w6IbjOi1BAAK7NRI3qxTvT6GdFvW0S17siYDz3fhwUk8+YXoo2LQfHFqy2iP34uLARgVW4zotY3os6Y6HxAtNZLi29AMmCTF+uFU0RE/YxoLZv4BgA2uXfqzhCt+T0UoAWIBliAaIAFiAZ... | 1 |
math | pre-k | what-comes-next | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD1CAYAAAAlI4EUAAAeF0lEQVR4nO3daZAc5Z3n8V9m1tHdqj4sQCcgxpIAgwaMhccbI8nEwAw2sOPZtT1rPN5YiGB2ba+JMC9MjInAM7ELDvCuNwYiMPaubQImAhaHYWZejACzazsMku0NLBsQINlCMzpbF2r1UX3UkZn7olStbvVVWZWVx1PfTwRv1F1PPvrzV9avnnoy0/J93xcAAAAAI9hxTwAAAABAeAj4AAAAgEEI+AAAAIBBCPgAAACAQQj4AAAAgEEI+AAAAIBBCPgAAACAQQj4AAA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAAD1CAYAAACRDCAyAAAjg0lEQVR4nO3dfZBddZ3n8c855z50N7cfDNCdB5Iw5gGUDAiJw9YkkRrYQSE7zvgwA4xbC1W4q65WwR9aSlV0ahcocNYtoQrRXYECq2Sx1HH+2AR1VywhUbc0CISQaGQmj53nTj9333ue9o+b23Snn+6599x7Hu77VeUf0w+/88uX75w+n3t+53cM3/d9AQAAAEgFwzCinkIsmVFPAAAAAAAajeADAAAAIPUIPgAAAABSj+ADAAAAIPUIPgAAAABSj+ADAAAAIPU... | 1 |
math | grade-1 | which-tally-chart-is-correct | true | true | Jen went to the bakery. She saw some cookies. Which tally chart shows the right number of each cookie? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADhCAYAAADyOcJJAABQ8ElEQVR4nO3de5ycdX3//df3Osw1Mzuzs+djziEBQjgTsEFUpIJAe1MsCnq3/sC2aj2gKPVuS9XW1vv3a7VVa8W70hawtoJYLW2FgqKFSACTcAxnkpBssofsYXZnZudwHb7f+49rs5tNNpzcZJPdz/PxyCM7cx3muq5sHo/3fvfz/XyVMcYghBBCCCGEmBXWXF+AEEIIIYQQ84kEbCGEEEIIIWaRBGwhhBBCCCFmkQRsIYQQQgghZpEEbCGEEEIIIWaRBGwhhBBCCCF... | null | [
"iVBORw0KGgoAAAANSUhEUgAABB0AAADhCAYAAACEGs3vAACKyUlEQVR4nOzdeZgcVb3/8feppau7p3t69jX7RgiBgCEBAwERIQIqgijo9Spcf4IgwkVxF0Rcr3DdRQGVRbwG2QQ1LCoIkZCQELYJkJ1kMpNJMvvSS3VVnd8fNZnJJJOQEMIkM9/X8+SZ7qo6VacqYZj+zDnfo7TWGiGEEEIIIcRbQik11F0QQoiDhjHUHRBCCCGEEEIIIcTwJKGDEEIIIYQQQgghDggJHYQQQgghhBBCCHFASOgghBBCCCGEEEKIA0JCByGEEEI... | 1 |
math | pre-k | ordinal-numbers-up-to-fifth | false | true | The first picture is a bucket. Which picture is fifth? first | "iVBORw0KGgoAAAANSUhEUgAAAaUAAABdCAYAAAAFZHluAAAcAklEQVR4nO2df3AUVbbHv90zE5KQSSD8TkYUTEgyIiC4SdwSzBOSghUESXwKaElwNW7VM8QSsNYFDSv7Q8z6SLRKgkjYrRVQE3ZXUHwT8EWx6k0seETkTfjpg3WSoGAeyUACmZnu90dnJjPJ/Oj50TPTnfOpsiDdt/uefCnP6XvvuecyPM/zIAiCIIgYgI22AQRBEAThgIISQRAEETNIFpSuWXlM+Y9u3PO5BdesNENIEARB+CeooPT3Dis2n77pM9g0XbXhYg+Hli4... | [
"boat",
"bucket",
"crab"
] | null | 2 |
math | grade-2 | identify-repeated-addition-in-arrays-sums-to-25 | false | true | Which addition statement describes the array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADYCAYAAADRTJQsAAAXKklEQVR4nO3dP28T2dvG8SuPEFS/2A0VQba3AwqPm13+SGu7WC1ISHFApCUW6RPDC5gxLyA2fZZMqkiJNpqCBlF4oMlmmwwF0KGRAlWacTpXeYrgAbRAMs6xkwzfj4QURZ7j+1aaSzfnzBlzHGdPOPVs2z7uEgAAACDp/467AAAAACBNzvR/YAJ6OjWbzeMuAQAAAF9ggg0AAAAYRMAGAAAADCJgAwAAAAYRsAEAAACDCNgAAACAQQRsAAAAwCACNgAAAGAQARsAAAA... | [
"2+2+2+2",
"5+5"
] | null | 0 |
math | grade-2 | ordinal-numbers-up-to-10th | false | true | The first picture is a house. Which picture is ninth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAg7ElEQVR4nO3de3hU1b038O9OZgZymQkhkYSQ4ZL05RKSAOU+Hgs9JgG89UAAD+AppYKltQdQEX36oogP79MXFGvQegMbPCI+eKDQV1RMqIVSExBTMOFisInBSQLDYYqZXDAzk+z3j22GSTKXfZ3L3r/P8+iTzOy99sqP/Zu1Zu+112JYlmVBCCGEEEIIkUVMuCtACCGEEEKImlAHmxBCCCGEEBkp1sH+1sVi1McOTPqkFd+6aBQKIYQQQgjRBlEd7ENXXNj85XcBO87... | [
"house",
"dog",
"paw"
] | null | 1 |
math | grade-1 | open-and-closed-shapes | false | true | Is this shape open or closed? | "iVBORw0KGgoAAAANSUhEUgAAAQkAAABkCAYAAACVdcVUAAAGPklEQVR4nO3dX2iVdRzH8Y8NJISJW6QXCnrhheSCKC+aCcnEiy5WwpYnw/IiL9LUWW7oasaBJKuV+Sfwxi6yP+baSPImKJeRzrooIhS7EDTQCxW3MXDrTOfpQtbm3M7Ofud5nt+f5/26nBz44cWX3/Pde8+Zls/n8wKACTxg+wAA3MaQAFAQQwJAQUEMiR2Nz6mx4RnbxwCC5P2Q2PdRg07/8p1++/V77duz1fZxgOB4PSQ6f2xTe9t+lZdXqLy8Qu1H9+mnE9/YPhY... | [
"open",
"closed"
] | null | 1 |
engineer | grade-8 | laboratory-safety-equipment | true | false | Select the fire extinguisher. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAAsrElEQVR4nO2deZRdR33nv7+qe+/belGru7W0LcmyLVu2LLMZYgxObAMzHCATQoITZsiQSWbgZIEMjI0XyUkHvMk2yZAJnCELkJwDgeSEDIcAgWM2w3FszGIbhIRk2ZYtW4slWerlbfdW/eaPe+97923d73W/191P+n3Okbr7vXur6tatb9WvfrUBgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiAIgiA... | 3 |
science | grade-7 | use-scientific-names-to-classify-organisms | true | true | This organism is a bald eagle. Its scientific name is Haliaeetus leucocephalus. Select the organism in the same species as the bald eagle. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOydeZwtVXX9v/ucuvd295sHZhlkngQcEBXBIGKQSRECOCsGRVEJKIOaaNA4RAhBEQ2KiIIEgzP+4hCcEFGBJ/J4yCCjAjLzph7urTp7//7Yp6r78RiesRMi1vLTH7r73lt16lS9dp191l5LzMyqqkJVadGiRYsWLVq0aNGixZ8nQggURYGUZWktuW/RokWLFi1atGjR4s8fIQRCS+5btGjRokWLFi1atHhyQFUJT/QgWrRo0aJFixYtWrRoMX1oCX6LFi1... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOz9ebgmVXnuj3+etVZVvcOeunfPNA10QzODOI8kHGdF4kAck6iYRE38JtFEJebkeIj5aaIeYlQ0jnE8h/wccgz5ajTGWVQQEBGZh6bpuXv3nt6hqtZaz/ePVXsDMtgqiYm+93Xti36nqlWr1vtSd933cz+iquq9J8bICCOMMMIII4wwwggjjPBfE8YYnHOIyM97KCOM8GNhRiR0hBFGGGGEEUYYYYQR/usjxoj3/uc9jBFGOCS4EQkdYYQRRhhhhBF... | 2 |
math | grade-7 | similar-and-congruent-figures | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADdCAYAAACBgQWfAABQk0lEQVR4nO3dd1xWdRvH8Q9ThgyVDQoaykZMIM0yNS23oiI5Ms2Zo11qljYcpa2ntKfS1Cz3NrWhJfW0BAeyFFGBVLYKyJ7PHwduJTRNbziM6/168QLOva7Ty+DL777O9dOpqKioQAghhBBCCKEVumoXIIQQQgghRGMiAVsIIYQQQggtkoAthBBCCCGEFknAFkIIIRqJoKAgPvzww2rHysrKMDY2JjExUZWahGiKJGALIYQQjURkZCQ+Pj7VjsXFxWFgYICzs7NKVQn... | [
"no",
"yes"
] | null | 0 |
math | grade-6 | front-side-and-top-view | true | true | If you look at this object from the top, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAkbElEQVR4nO3dfVzVdZ738bdmFt5wdwGtsgqcncXUegDanOYxyoCX9pjdtFGmq7LdFGntxsnWw9SlZU2gpWZtF8cVs6aZRGzH2nYXVPKadjCPBZW06HEcby5y4YgBighHUI+gyPXHkVM6hNycGzi8nn91EDgf++v9+/o+38+gtra2NgEAAABwi8G+HgAAAADwJwRsAAAAwI0I2AAAAIAbEbABAAAANyJge8HmzZsVEhKiadOmyWq1+nocAAAAeBAB24OsVqumTZumBQs... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAygAAACwCAYAAADkKUpCAAAmvUlEQVR4nO3df1jVdZ738RdqFik/B2iUReDsLGbWDejMqWuUkFu7ZtdslGkr202RbqfGyVkPU7dO9gN0MrO2m+OG6UwzidiOzbSzoJLXtIN5LKikRQ/j+GONhRMGKCIcOSqKoPcfx3MmW0KB8wOOz8d1dXkdBM5b/uLV5/X9vIMuXbp0SQAAAAA8IigoyN8jDGnD/D0AAAAAALgQUAAAAAAMGgQUAAAAAIMGAQUAAADAoEFA8YFNmzYpIiJCGRkZslqt/h4HAAA... | 0 |
science | grade-8 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. Which solution has a higher concentration of pink particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AABxn0lEQVR4nO29eZwdVZk+/pyqu/WSdGdfICFNNggkBDGJQADBYRHC7hcERMEv4PBzvug4DDrDjKM4uDGKg6OMjOMgCjrDIoyCAYJsbhCWEJYokITsZCGdpJe71jm/P06drapup9Pp7nTf+z58QnXVrVvbPc953/d533OKCSEECAQCgUAYZvAO9AUQCAQCgdAXkAEjEAgEwrAEGTACgUAgDEuQASMQCATCsAQZMAKBQCAMS5ABIxAIBMKwBBkwAoFAIAxLkAEjEAgEwrA... | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | null | 0 |
math | algebra-1 | write-compound-inequalities-from-graphs | false | true | What compound inequality describes this graph? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAALZUlEQVR4nO3df0zU9R8H8Cc/DgGnHESJhGkmUpay/MGBxK+xinIkyChYJcxW+LW1abnRH63U6R8t/Vq0ETJ/nLO5pmMxEtEacnfIjwM1FFsEuaFQk0A5Kc/7gd/7/kF3htwhPy7e9/nwfGxu3Pv44/nacfK8N58fXjabzQYZOXr0KLy8vJCbmys6yqRwDs/COTyLXOYgIiJ58hUdwN26urpER3ALzuFZOIdnkcscREQkT2Mu2FarFefPn4der8cjjzzCnSMalbpejcM... | [
"$-6 \\leq x \\leq-5$",
"$x \\leq-6$ or $x \\geq-5$",
"$x \\leq-6$ or $x>-5$",
"$-6 \\leq x<-5$"
] | null | 3 |
math | algebra-1 | compare-linear-functions-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABQiElEQVR4nO3de3xT9f0/8FeSNk2atrQUWi4t0OKKaAtFwRYFOlAEhs6JXLzMMb7fybavzMvE79z8Db+6eZmTuYtMh369znlhbNw2ZF8LWBQK0wkUhKpNAy21KZSGJs09+fz+qMkotE3Sc5KThNfz8fCBJKfvvBPe59N3znnnRCWEECAiIiJKEmqlEyAiIiKSE5sbIiIiSipsboiIiCiphNXcDBkyBCqVqs//9u/fH+U0w/fyyy9DpVKhvLw85o/93nvvBV+Tyy67LOa... | [
"The y-value of Function A when x=\n–\n1 is greater than the y-value of Function B when x=\n–\n1.",
"The y-value of Function A when x=\n–\n1 is less than the y-value of Function B when x=\n–\n1."
] | null | 0 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAUhUlEQVR4nO3dbYxc13kf8GdmZ2ZXy13umipJ05JLUkRo1KQpK0lDsXYolKppA5HUSogFw6jyxVJgFzLsJlE/FHJV21QNWFLiIAWcQGo/lEkMOLE+yEErU60b065e0vqFjtjEUmlTlkRJJPgikkty57UfaK5IkVzuy8y9d878foAAY7n3nuc5ezzzn7NnZkudTqcTAABAEsp5FwAAAHSPgA8AAAkR8AEAICECPgAAJETABwCAhAj4AACQEAEfAAASIuADAEBCBHwAAEi... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAZ3ElEQVR4nO3dfWxV933H8c8598HG9rVdKAaHdBewSrXimDx0BY/WaGTQSAFWUIuiqOSfhipURO3asD8mujQpWaUAfVAnJRNsf5R0kdKGSaTaUrNlwU0hZE2CU2gbGIlJwAZTjME2cB/P/nAMGD/dh/N0z32/pEiJ7fP7fb8//3Lv/dxz7rFhWZYlAAAAAIFgGIbXJfiS6XUBAAAAAOA0gg8AAACAwCP4AAAAAAg8gg8AAACAwCP4AAAAAAg8gg8AAACAwCP4AAA... | 1 |
math | grade-1 | simple-fractions-what-fraction-does-the-shape-show | false | true | What fraction of the shape is blue? | "iVBORw0KGgoAAAANSUhEUgAAAUQAAABkCAYAAAD+MUlEAAABxklEQVR4nO3WsWlcURRF0TticrkF4VhCDagCgXPn6kGBYoN7cAHKBa5gOrCd2y24gq9kY8YVvIG/VvayAw8297Bt2zYAzHFm5vnbj/n15+/qLbt2e3M9X5/uVs+AXbuaGTG8AD9/+wNY7Xj++P7lYdWOXXt8Oa2eAEwXIgCCCPCPIAJEEAEiiAARRIAIIkAEESCCCBBBBIggAkQQASKIABFEgAgiQAQRIIIIEEEEiCACRBABIogAEUSACCJABBEggggQQQSIIAJEEAE... | [
"1/3",
"1/5",
"1/4",
"1/2"
] | null | 3 |
math | algebra-1 | domain-and-range-of-exponential-functions-graphs | false | true | What is the range of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABjlklEQVR4nO39e3RU553mfV+lqtJZQkICCWRLGGOwwQgbG2wwxLhx2247cQJOBidPDu7HPd3OxJ1MZj3db1avTqY7r5cn73Sne8XjZDKeSdtOT8+Tjju2uw0RBNvYEBGDkUEg4QOWQSBAh9KhVOddVXu/fyilIHNSwb4pCn0/a2U5Kmpf9dPeVff+1a27dnkcx3EEAAAAwBUFuS4AAAAAuJLQYAMAAAAuosEGAAAAXESDDWCChoYG7dy5c/znw4cPa8aMGeru7s5hVQA... | [
"$\\{y \\mid y>0\\}$",
"$\\{y \\mid y \\geq 0\\}$",
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y<0\\}$"
] | null | 0 |
math | grade-4 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACrCAYAAABc+utDAAAhqUlEQVR4nO3de1zUdb7H8RfXUVDwfk00j4o3Uiv1eNdMS8DQNDRveAmZSeuoq6Wy5mae6uy62aYJ3jK3K5alGxfBMFNKo4zasLLMVDLMUQpUdIKZOX905NRu7YoM8xuG9/M/YOb7fQ8P/3j75ff5/XycTqcTERERERFxCV+jA4iIiIiIeBMVbBERERERF1LBFhERERFxIRVsEREREREXUsEWEREREXEhFWwRERERERdSwRYRERERcSEVbBERERERF1LBFhERERFxIRV... | [
"acute",
"right",
"obtuse"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAfS0lEQVR4nO3daawd533f8d9s55y7X17uIimai0xqpSWZ1Eorol0xcBI7iguoalO3diwUiIAggPzSQtHa7/uqKAoUflfARZAEbeQtlRXIUmOHdGTJokRSFmWJ+3ovybudbWb64upyvctZZnnmOd8PYFjLPTPP/9F/eH8z88wcJ47jWAAAAACs4OY9AAAAAADJIeADAAAAFiHgAwAAABYh4AMAAAAWIeADAAAAFiHgAwAAABYh4AMAAAAWIeADAAAAFiHgAwAAABYh4AM... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAkNUlEQVR4nO3daYxd533f8d/Z7jI7h8NNI4rmYpOyJVGLSa20YtkVAzuxrbqAqjZ1asdCgRoIAsgvbRRt/L6viqJA4b4q4iJIgjReU0mBLLa2KS+SRYmULMoUyRkNOdTMkMNZ7ln74mpIDjnLvXPPfr8fIIhF8p7z/B/+eeb+znnOOUYURZEAAAAAlIJhGFkPIZfMrAcAAAAAAEkj+AAAAAAoPYIPAAAAgNIj+AAAAAAoPYIPAAAAgNIj+AAAAAAoPYIPAAAAgNI... | 1 |
math | kindergarten | count-to-100 | false | true | How many diamonds are there? | "iVBORw0KGgoAAAANSUhEUgAAAc4AAACRCAYAAABKSVgmAAASFElEQVR4nO3dTUxU1//H8Y8MIDgDFtDyoOQnoUIwInGjqboxPxN10S1ufUhcio2uJHajoRu10e5cKDujWxfaRcNGMHbxNxRb8xtL0EwUWp4qMygKdP4LZBgeRubeuXPmHvp+rZrC3Ps+JjdfmeEc18Xj8XgsFlNfX5/C4bDGxsYEILvKy8vV0NCg5uZmhUIhR6/leQXMWva8RqPR+J07d+I9PT3xkZGRuA2uXbuW6wTHaDbDluaRkZF4T09P/M6dO/FoNJr263hezaD... | [
"21",
"13",
"6"
] | null | 0 |
math | grade-1 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABWN0lEQVR4nO3deViUVfsH8C8u7DNquSEoi7nMmLsC2htWhr4JaokbauaSW2VoLtUvtdwqRV9FLbcUt9RSLNcSWgxTWcxcckhT1kEyVGAQmMGF3x/ECDLMPDPzDMPy/VxXVwxznvPcEXNxz5n73MemqKioCEREREREJIo61g6AiIiIiKgmYYJNRERERCQiJthERERERCJigk1EREREJCIm2EREREREIqpn7QDI+tRqNQoKClCQn4+CAjUKCvJRUFCAuvXqwdHBAQ4ODnB... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABgVklEQVR4nO3dd1xV9f8H8BcONhctRwjIMAfgHoD2jYahJaglKq7KnQ0Dc1S/UhPtW66voJYrRc2cYDlLaBilMsxcXNKUIRfJUIGLwL04+P1B3EC4955777n3Ml7Px6OHXM778zlvb/fWfd/PsigvLy8HERERERGJwsLCwtwpEJldE3MnQERERERERA0LC00iIiIiIiISFQtNIiIiIiIiEhULTSIiIiIiIhIVC00iIiIiIiISVTNzJ0Dmp1AoUFpaitKSEpSWKlB... | 0 |
math | grade-2 | match-digital-clocks-and-times | true | false | Which clock shows ten forty-five? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAADICAYAAAC6ej5XAAAPO0lEQVR4nO3dW2xb92HH8S9JyZIlyrdcRKNJUNTs6iHDRAMbOkxS+lJEelgwJHIWLMPiPrR9kIKhiVF5D7EKSykQG0iyh9pA7AGtnRsQSF5rb4D04BRNLC9r9iBt2VynpI1mKULGSWPLh7qT3ANNmTqKKP55OYeH+n1eLMHn8Pwp/n/nfzn/c+jLZDKZ+CJEZ+FWCpYziNS9Bh+0BeDrLdC+BXzxhUzm1zNuF0vEPd/cBg2/nc3+snsLfKM1mxKRencrBVeS8Mk... | 0 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAIfklEQVR4nO3dW2xbdx0H8K/vlzSpnTWBpnRbkrXLSFALKlsnUepAtz1w6SQesu1lsaiQQCoDpEkIEHIlLg9IaLQPCCGUvK0REioTFaJAS7axraVCVnEmxuZmbS5Qu4vTOMd35/CQS5ssjv/x7fx9/t+PFKlO/ueXv93zVY6Pz/n9LUePHtUDgQBqYXx8HLqug/Uqr3fp0qWa1DJaIBCQ+nVWrZ49EAggFArVpOCpU6eg6zrrVVHPLLhfyVXPWpNKRCQ1Bp1IAQw6kQI... | [
"flip",
"turn",
"slide"
] | null | 0 |
math | grade-2 | fractions-of-a-whole-modeling-word-problems | true | false | Meg is going to a picnic with her soccer team to celebrate the end of the season. She decides to bring a long sub sandwich to share. She cuts the sandwich into 4 equal pieces so it will fit in her picnic basket. Her teammates have asked for different toppings, so Meg adds cheese to 1 of the pieces. Which model represen... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU0AAABKCAYAAAA/ggbIAAACKklEQVR4nO3XO24TUQCF4TPOo+DZIBA1ApZASwUVFQtgbSyABiqoqLMDXjVBUCUQiRDrUgyRQDQ5iOAYfV9jj2ZGOtXv62mMMXYPk7cHyf4yORoB4IfNKbm4kdw8l1zbTqbdr2Ps7K16FsDZd+dSsvnmYL64vp3cPj8XFYDZ/jJ59SV5f5i8PkgWe0fzDcEE+N3FjbmPSfJ5mSyWP90A4HfHffw2ksVqpwCsF9EEKIgmQEE0AQqiCVAQTYCCaAIUNtsXHj6+cRo... | 2 |
math | grade-8 | front-side-and-top-view | true | true | If you look at this object from the side, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAElCAYAAADeN5VfAABABElEQVR4nO3de1iU95k38O8wA4ThMEQHG9QEYrVxiCsYDtvmTcEUsmK6ux7Yq+++KzBqk5isWg6m1wqRgg0V9+2WQ8S3JiYqkLS5XBE2SQVTrIhtbQhUtMp4ajMQR6IDZmCYQQ7DvH9M5omoIMIc4fv5p87xuU3jlS8/7+e+RWaz2QwiIiIiIrIJD2cXQEREREQ0lTBgExERERHZEAM2EREREZENMWATEREREdkQA7YDlJWV4eGHH8azzz6LlpYWZ5dDRERERHbEgG1... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3gAAAElCAYAAAC24UBOAABFoUlEQVR4nO3df1iU953v/9fwM/JDiIINagNJtXGoR7QgZ7ffFMxiVk3PblT26jnfDYq6SU02uoBJryNGV7JlxXN6KpiYb01MomByNldOUE7aCrZYEdumIVBJ1jga3WYwotFBM/wYUH7N948pU038gTjMPQPPx3XlijP33Pf9JmIuXn7e9+dtcjqdTgEAAADwCJPJZHQJGMUCjC4AAAAAAOAZBDwAAAAAGCEIeAAAAAAwQhDwAAAAAGCEIOB5QWlpqe6++2499NB... | 0 |
technology | grade | logo | false | true | This is (part of) a (former) logo of which computer related brand? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAEsCAYAAACLwdvQAAARK0lEQVR4nO3da2/k1n3H8d//nEMOZzj3Gd2lXWm1Fwcx+qRA0Ud5zW1fQR8nSFEUbZwGbVqgzsXOep3Yu5KlGfL0gYw4duxdrUSd4cx8P8A+sL2gjsnhVxxeDu3nP/uFAADpuFUPAAC2DeEFgMQILwAkRngBIDHCCwCJEV4ASIzwAkBihBcAEiO8AJAY4QWAxAgvACRGeAEgMcILAIkRXgBIjPACQGKEFwASI7wAkBjhBYDECC8AJEZ4ASAxwgsAiRFeAEiM8AJAYoQ... | [
"Nvidia",
"Atari",
"IBM",
"Brother"
] | null | 2 |
math | grade-2 | name-the-two-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAFiElEQVR4nO3YsQ3CABAEQdvQABVQBv2Q0C79EDwtEKxlyczEH1y4+nVmZgEAABLb0QMAAOBMBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhK6/Hj7fnz13wK4et2153S9HzwAA/oAPNgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDYAAIQENgAAhAQ2AACEBDY... | [
"triangle",
"circle",
"rectangle"
] | null | 2 |
math | grade-5 | compare-fractions-and-mixed-numbers | false | true | Which number is less than the one shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAmvUlEQVR4nO3dXVBbd5om8Ac4WBIgMEgRX+YjgEHYuGPIhFSDY3o7sbtmdqeTqu2LuPdmO5mq3ardXGzVdqd3LrbTNzNJZ6p2q5LZmv1Ipq82uZiLdtf21sbuzeTDkI0cI2wT82Hj8GHAKBIgBDoCDrAXx+cgDgIdSedIh/j53XTHLcTBT1fx5q/3/755Ozs7OyAiIiIiIkPk5/oB9Pr6t19j6soUxKCY60ehAzAj62NGRERE5suz+gn2XP8cxv9hHOvhdexgB3nIg+A... | [
"3+4/9",
"2+2/9",
"2+1/9",
"3+5/9"
] | null | 2 |
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\n5\n of a full turn",
"1\n2\n of a full turn",
"1\n3\n of a full turn",
"1\n4\n of a full turn"
] | null | 2 |
math | algebra-1 | identify-linear-functions-from-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAH0UlEQVR4nO2cb0hTbR/Hv9vKoSX9UWNCOjXa9iIUR3NmSrSk5pNSQU9FRRKLvfCFBEZEVIovAv+Ay2IORVPRktLSrNS9MCqFkYSVQZmRjaSBK6jpwn/zPC9utvuerXvu2nX07rmvD+yF1zm7vj8+nOO52Plx4daDHu534HepUwgGVZhQyjChlGFCKcOEUoYJpQwTShlioS6XC+Xl5YiPj0ddXZ3Pc65fv44dO3ZALpcjMzMTd+7cIS6UBkNDQ4iPj/f5sdvtVDJWkHx... | [
"nonlinear",
"linear"
] | null | 0 |
math | grade-1 | square-corners | true | false | Which shape has 1 square corner? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFRklEQVR4nO3cWY/TVhiH8b/t2E7ssG8qCDGELPQTcFGpX7ylqqpWSHwBxCIhJEpBaMoyM2Gy4V54gs7QpJQheb09v7vIF+eV/OjEtix7WZZlL6fSk7G0t5DmmYBv1vKkU4E0SKQrkeS9nGTZ/fdFj4U6u3Naaj0e5z++i6RRmlcIfKu9hfTwQPprKj0aS/77eX6AyLBJp4K8KUnaX0j+wjkAbNKyqVkm+cWOgqYgNJggNJggNJggNJggNJggNJhoWS725o8Dzd8... | 1 |
math | grade-2 | select-three-dimensional-shapes | true | false | Which shape is a rectangular prism? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAQK0lEQVR4nO2dX1BU1x3Hv2eBZeWPoCBKFEEriEkcSWy1/kljGieJTWxiOq2ZvhinD00zzZ9m+pLkoX2J7UNtk7Yz7UM7xafEdKbREnVMtWOi2IyJgYzJKBABIQICC8u/Zf/Anj7cvXfv8p/lHu7vnns+48zCvWfP/bl899zzO99zzmWcc94VAb4KAkPjwBiHQkGOdAbkpgHlWcBKL8C6wpxfGbQ7LIVi7mxfCqQ3BbVfir3AxmxN1QoFNYbGgYYRoDMCNAYBz+C... | 0 |
science | grade-3 | use-data-to-describe-u-s-climates | false | true | Which statement best describes the climate of Little Rock? Little Rock, Arkansas, is a city in the United States. It has a humid subtropical climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAEAAElEQVR4nOzdd1yUZ77//9dQZui9Kk2wIorYQNSgscTEaGxpm2ziJptN3M05nt3N7tmS3ynbTtlNvrvZuO1k07ObRIMxwRJLFFtEVEBRUEAUROl1gOnX7w+WiSi2ODCjfp6PRx6Re+6Z+83MzT2fueYqGqWUQgghhBBCCOEQbs4OIIQQQgghxO1ECuyblJubi0ajQaPRMHHiRGfHEXegN998E41Gw4QJE276scLCwtBoNLz55ptX3OfMmTP2c761tfWGj5GQkIBGo+H... | [
"Temperatures do not change much from month to month.",
"Summers have slightly less precipitation than winters."
] | null | 1 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAArIUlEQVR4nO3deXhkdZ3v8c85VaklldpSSSfpNFtDd8sw6uCIjjioiCg6inDHGWloFgUEHcCZcWbuPHP1LqNzn7le731UFgFFBRpwvYKCqLiBiigOuKDY3dC0dCfpdFVSlVpSS07OuX+kuypLd9NLVZ1a3q9/OL9UdfIlqTzPp05+39/XcBzHEQAAAIC6MN0uAAAAAOgkBGwAAACgjgjYAAAAQB0RsAEAAIA6ImADAAAAdUTABgAAAOqIgA0AAADUEQEbDZG8fUbP/d1... | [
"1 pair",
"no pairs",
"2 pairs"
] | null | 1 |
math | pre-k | circles-squares-and-triangles | true | false | Which shape is a square? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACe0lEQVR4nO3Uv24UVxyG4d+svS74ly4RF0DS0nFBuS8uiIqWkD6mtcESxquhGCGlNqt3o83zVDM6OtJXvDrLuq7r9f3M33czt4eZh3Xgp10uM88vZl49mfntama5/rqu725OPYtz9ubFzOXHu+3n5dXMH0+3CuFn3R5mPnyZ+ed+5q+7md3Nw3YgMo7p+cXW1MzM58PM7vCvAzimH019W2d2p53C/4XQSAiNhNBICI2E0EgIjYTQSAiNhNBIXD724jozf77/dsQ... | 0 |
math | grade-8 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{BD} and \line{EG} are parallel lines. Which angles are adjacent angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAYBUlEQVR4nO3db2xddf3A8c+9QBmM0Y4tMkCWLWNYGLVllJlp8LZGwSeTzj8oD3RbMAMWjEUBiYpZMMojXSch/knEkqCSgKwhmqgY24lBWXq3YkVmxO4Pw8wQ1nY4ccOtvwf+Wuh627Xr/X9er6QJvafr/ZxvePDed+ecmxoZGRmJBBoaGoqIiLq6upLOUamsHwBAbulSD1AqnZ2d0dnZWeoxKpb1AwDILZXUHewlS5ZEKpWKPXv2lHqUimT9AAByS+QOdldXV+zbty/... | [
"\\angle{DCA} and \\angle{EFH}",
"\\angle{DCA} and \\angle{DCF}",
"\\angle{DCA} and \\angle{GFC}",
"\\angle{DCA} and \\angle{GFH}"
] | null | 1 |
science | grade-6 | identify-rocks-and-minerals | false | true | A clam shell has the following properties:
crystal structure is not usually fixed
made mostly of calcium carbonate
solid
body part of a mollusk
naturally occurring Is a clam shell a mineral? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACM7UlEQVR4nOz9x5OtW3reif2W+9zeO/2x15vyAAqoIkGATbQJihEdLbEHrdBAGvZEPekIhYIDadqhHmigP0EDhUKhiJbrFhuiZxMkTBHlPauuO/cen3nSbfe5ZTRY6/v2znNvnQL7VgEoMFdEnsyTue2317te9zzPK7z3get1va7XJy75F/0Crtf1+su8rg3kel2vF6xrA7le1+sF69pArtf1esG6NpDrdb1esK4N5HpdrxesawO5XtfrBevaQK7X9XrBujaQ63W9XrC... | [
"no",
"yes"
] | null | 0 |
math | grade-7 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAlA0lEQVR4nO2deVxU9f7/X58zLMOi4r4nKAhqIiqCC4KWmbfya7fS1t/Num65V1ouiBSmqZVKopmmdfPaopZ1b3Ztx9RkUxAQZEAQFVdkEZiBmTmf3x8jpAYyZzifs+B5Ph79EZ7z+bxm5rzO5/3Z3h9AQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0ND466GyC1Aw0a/fv1cWrdu7QEAJSUllZmZmTVya9LQDMK... | [
"1\n6\n of a full turn",
"1\n4\n of a full turn",
"1\n5\n of a full turn",
"1\n2\n of a full turn"
] | null | 2 |
math | grade-8 | apply-addition-and-subtraction-rules | false | true | The number line shows an unknown number, r. Is 1–r positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAF60lEQVR4nO3dXWhTdxzG8SetebEv1kxaW7fWjiFIcTgxpq0WLIzBWJEZJwxvRBAExYtdDITtakwEd7ULBQVhIFh6FSeig8HAaC+a1Oq6BTvYmLFlto0UN9e0eWl7djESLTZN1OM5Tfv9XPUczsUDJ4Sn//M7/zgMwzAEACWku7tbDodDBw4csDsKLMI9B1BKVtkdAABe1MjIiN0RYDHuOYBSUnTBzmQyGhgYUDgcVl1dHasIQJFSSUO9oSeKj2U0HEurrt6p9fVO+Vo... | [
"positive",
"negative"
] | null | 0 |
math | grade-1 | even-or-odd | false | true | Is the number of birds even or odd? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAClCAYAAABm8IozAAATcklEQVR4nO3de3BU5cHH8d/uJptkd0kChCQUihkoHZVLqSNa6IuIt3rBV1u8UNQXoZ1RgbaDWiql2qE6KLXK1FAY6li1LajIO9rWgkzrC4xcrMwUJOFSgSBMkYQESLKXJHvJvn8wBtKE5En27O7Z8P38t+c8Z8+zv79+c/ac5zji8XhcAAAAACzhTPcEAAAAgL6Egg0AAABYiIINAAAAWIiCDQAAAFiIgg0AAABYiIINAAAAWIiCDQAAAFiIgg0AAABYiIINAAAAWIi... | [
"even",
"odd"
] | null | 0 |
math | grade-4 | identify-equivalent-fractions-using-number-lines | false | true | Is 1/4 equivalent to 3/5 ? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAAU7klEQVR4nO3df0zUd57H8dfw+4fAIKA4rIXqVUWPNK0uMFuVXjSNrYd26Q9p9GjTkLbGttc96e2aZi9t9tJoegajzQbdxtqiTVq72dCNt8n2xwJbAiK2p8XTZsNGbRkp6CEiM8oMM/eHQqVaRfnqZ77j85GQOgNNXsnnk5kX7/l8vzhCoVBIEaK2tlYej0cvvviiEhMTTceBjR0+fFgfffSRFi5cKLfbbToObG7z5s1yOBx64YUXTEeBzTU1Nenzzz/X8uXLNWvWLNN... | [
"no",
"yes"
] | null | 0 |
math | pre-k | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 4? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAfLklEQVR4nO3deZAcZ33G8e/79jH37uyhPbSyLCEJYQMlyQ5XwLaIORKSkBhIQhXBIRQJSSpUSBWuJJAKMTmKHJAEchQpwIkDpigIChgqBleMqeDCkYMlEcuyhWTt6t5d7c7Ozt3Xmz9md7Wj3VkbyXJ7Z36fKspMv/129yvr8dvd79vdyhhjzntwrAqlEAKDEOIqsRXkLNiRhmEX1PmGMfvn4z4sIbrPK3rA/mG1+WPUhZ2ZZjqFEFdHKYQnK3DOg6NV0PNBs0D... | 1 |
math | algebra-1 | domain-and-range-of-exponential-functions-graphs | false | true | What is the range of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABjKUlEQVR4nO39f3yU9Z3v/z8nM5PfhIQEEggmiAgKEhRFBaHiYtXV1hZsD7bfbWs/7unaU2tPz+3T/fb0tu3Z7debp9+z2+63ru3pcU+rds9+trtu1V3BSLGg0FBBIgQICjFCSID8mPyYzO9rZq7r+0dMSgQkgevNzMDjfrv1VmeY65lXrmvmfb3mnfdc43EcxxEAAAAAV+RlugAAAADgUkKDDQAAALiIBhsAAABwEQ02gHFqa2u1Y8eOsdtHjhzR9OnT1dHRkcGqAAD... | [
"$\\{y \\mid y<0\\}$",
"$\\{y \\mid y \\geq 0\\}$",
"$\\{y \\mid y>0\\}$",
"all real numbers"
] | null | 2 |
math | grade-2 | interpret-tally-charts | false | true | Beth had a picnic. She brought some food to eat. This tally chart shows how many of each type of food Beth brought. Did Beth bring fewer hot dogs or peaches? | "iVBORw0KGgoAAAANSUhEUgAAAXUAAADWCAYAAAAuAhI8AABTAUlEQVR4nO2deXhU1f3/X7MvyWQjCSQkJOxLAIMsEhUBsUAVUSui1g0R61JbFau11lbx625d6y4oam2r+KuKK7SyuBBUVBABQZYskITsmcmsd+69vz+GTDJkJpnsJJzX8+Qhc+8595wbkvf93Pf5nHM0azM2qQgEAoGgT6Dt6Q4IBAKBoPMQoi4QCAR9CCHqAoFA0IcQoi4QCAR9CCHqAoFA0IcQoi4QCAR9CCHqAoFA0IcQoi7oFBxjYxi58yQGfjcZb6qhp7sjEBy... | [
"hot dogs ",
"peaches "
] | null | 1 |
math | grade-3 | select-fractions-equivalent-to-whole-numbers-using-models | false | true | Count the equal parts. What fraction does this picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAqqElEQVR4nO2dW4xc2XWev733OXXpC7tJzrA5HPFiDUceWSMMYcuKkhGiiWLDsh9sGVZivWkSA7EDGIj8EAPJQ+zkIUiMAJEAB3AuTuS3BIkCyQECCTZkKpYEKx7ZPfYMIpnkmMOOeGlyml19qds5e+887HNOnVNV3V3dZDe7JusDiKmuOreq/2GtWWvvfynvvecY8/brX6/8fXP5auXvj33m14rX3/7i5zl7+Url87OXr1CfXTisxxOGEL2mC9FLEARBEB4/6kkn2L3... | [
"2/3",
"2/6",
"6/3",
"6/2"
] | null | 3 |
science | grade-4 | compare-ancient-and-modern-organisms-use-observations-to-support-a-hypothesis | false | true | Look at the two pictures below. The douc is a modern organism, and Mesopithecus is an extinct one. The douc has many of the traits that Mesopithecus had. Which statement is supported by these pictures? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAFaCAYAAABrHimbAAEAAElEQVR4nOz955NkWZreif2OuMK1h05ZmaVbVmv0AOiBWOxiaSR3CSMXAGk0/gk0Gv8dfKEZCTPyC2EEuDAjCSwWWMwMZjAtanq6qqtLpo7IUK79qiP44dzr4ZFVPZisnllsw+6vzTsiPNyvX78enf2c9zzv8wrvvQfI85zj42Pm8znGGFpaWv6nidaa4XDIzZs3SdP0L/W12n8XWlp+O/gf89+FlpaW/+kjvPc+yzI++eQT7t27R5qmRFH0H/u8Wlpafg1VVZHnOQ8... | [
"The douc has gray fur and so did Mesopithecus.",
"The douc has long fingers and toes and so did Mesopithecus."
] | null | 1 |
math | grade-3 | fractions-of-a-group-denominators-2-3-4-6-8 | false | true | What fraction of the shapes are squares? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACUCAYAAACp1l47AAAMmklEQVR4nO3dMW8c+X3G8Uezw1uQIrVcSivRdwYCJIBhuEhlwK4MJF1eQarUeRvXuHd7tdQkgOTyrCqA1LjQNVccfTBoZAXxLMYrCIQgAhRMMAUPsAjfrv467ezM7H0+L2A5+lYPBqv9Xbu4uLgIAACwFFXbDwAAAOvEwAYAgCUysAEAYImWOrBPDl7lxZOXy/zItaRTGZ3K6AQA3bLUgf3lrw/y1W/+mLO/nC3zY9eOTmV0KqMTAHRLI18RObz3tImPXTs6ldGpjE4... | [
"2/8",
"5/8",
"3/8",
"4/8"
] | null | 0 |
math | algebra-2 | linear-functions-over-unit-intervals | false | true | How does h(t) change over the interval from t=
–
2 to t=
–
1? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABqH0lEQVR4nO3de3QU550n/G/1vXWjhSQkISyBwBALS9jYGHORjYNjOybxBpIsTs4k411nZ53NbfLHzMnJyebs5Pj1yTkzybzxONmMdzK2M++czcQb7B2DBcEGGyJsZGQQSGCQhdAFoUtL3VJf69JV7x+i22qQoBvVo+6Wvp9/bDWqn36q6q7+9qPnqZIMwzBARERERESmsGS6ASIiIiKi+YQBm4iIiIjIRAzYREREREQmYsAmoiQ7duzAq6++Ou2/vf/++7j//vuhqio... | [
"h(t) decreases by a factor of 5",
"h(t) increases by a factor of 5",
"h(t) increases by 500%",
"h(t) decreases by 5"
] | null | 3 |
engineer | grade-6 | identify-independent-and-dependent-variables | false | true | Hint: An independent variable is a variable whose effect you are investigating. A dependent variable is a variable that you measure. Which of the following was a dependent variable in this experiment? The passage below describes an experiment. Read the passage and think about the variables that are described. Many type... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAF7CAYAAAC5EbJKAAEAAElEQVR4nOz917MtS37fiX1+mVlmue3OPuae603f9g00PNkAAYIG4AzBGCqCw5AU0kTogQ8iFVLoXdIfwAjOaIKjRw1ngpQiZjQaUUNKYJAwJAGS3YRpNBrt+/Z15x6/3TLl0ughs2qtvc/eZ5/r+l5oOk/sU2utqlWrKivzlz/z/X1/8rf/9t8O/Kj9qP2o/aj9KWp/7+/9vY/kdw3A3//P/1MQARQIBBQejwYIFkLHP/5H/xX/+tf/MWOx6HbORAJH92+Tm4wWjQ8... | [
"the number of patients who got new infections",
"the type of bed rail"
] | null | 0 |
math | grade-4 | transportation-schedules | false | true | Look at the following schedule: Nora just missed the 10:30 A.M. train at the shopping district. How long does she have to wait until the next train? | "iVBORw0KGgoAAAANSUhEUgAAAYYAAAEkCAYAAAArVJYAAACeRUlEQVR4nOydd1QVRxfAf4/ei72goKgUBSwoCEoRRVFULEGxBLvGQmKisZcYY03sxhZ7AcWKHUSxoWIDRUXsFbEQpChSvz8IT5/vAQ+jX6KZ3zl7Djvl7p3lvr0zd2Z2Ja5zDPIQCAQCgeAv1ABGd573D6shEAgEgn8DM7Z+h8o/rYRAIBAI/l0IxyAQCAQCGYRjEAgEAoEMwjEIBAKBQAbhGAQCgUAgg3AMAoFAIJBBOAaBQCAQyCAcw2fKwc3H+aHjNDrVHkKbav3... | [
"45 minutes",
"1 hour",
"1 hour and 15 minutes",
"30 minutes"
] | null | 2 |
math | algebra-2 | identify-the-direction-a-parabola-opens | false | true | The graph shows a parabola. In which direction does it open? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHyCAYAAADRDLnIAABihUlEQVR4nO39fXSc9X3n/79GM6P7W0u2JGwsYwwGGcs3YIPBxlBocHDKYrcUspumSdOebjZ37cmvv6Q9+eV7mvWyOZsl/aVLUrZnaaAlZ5PQEJrYCDDFYGNjDMKWbXEnC1uWbEuypJE0M5r7ub5/KKNYvh3Zn49mRno+zskJmrnmpbdHM9e8r898rs/lchzHEQAAAAAj8jJdAAAAADCd0GADAAAABtFgAwAAAAbRYAMzxJ133qnnn39+/Odf/epXuvHGG5VMJjNXFAA... | [
"down",
"left",
"right",
"up"
] | null | 0 |
science | grade-2 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Birds have feathers, two wings, and a beak. An ostrich is an example of a bird. Select the bird below. | "iVBORw0KGgoAAAANSUhEUgAAAtMAAADMCAYAAACx6y9WAAEAAElEQVR4nOy9d7wlRZn//67qfNLNk2dgAkMGRVAERQFRMaAoqKBrwDVgBAUFXVdd9qvuIhhRAVFZwbyoi6tLXBEYkSiSZ2CYPDef3Lmrfn+cew+TZxjGsD/7Pa/zunP6dFdV16nu86mnn3oeobXWaZqilCInJycnJycnJycnZ+dIKTFNE5Ekic6FdE5OTk5OTk5OTs7TQ0qJzIV0Tk5OTk5OTk5OztNHKYX8azciJycnJycnJycn5/8quZjOycnJycnJycnJ2U1yMZ2... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA4IAAADMCAYAAAAmsx3gAAEAAElEQVR4nOy9d7wkVbn9/d17V1WHE+dMYgYGJhAFARFEQVAwooigoIIZTGC4oKBiuAb8Xb0iZlREFBRMeDGgcolXBEYkOpIZGCbHk8/pVLX3ft4/dnXPmcTMwCje9/b6fBrm9Omuqq6u7lOr1nrWUiIi1lq897TRRhtttNFGG2200UYbW4fWmiiKuGsU9uqALvNMb1EbbWweYw4eqcCqFCZF8MLecL9uk8A22mijjTbaaKONNtrYPnjvsda2SWAb//LoMuFiBcC... | 0 |
math | grade-1 | match-digital-clocks-and-times | true | false | Which clock shows nine o'clock? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAAB5CAYAAABr7P6HAAAH+ElEQVR4nO3dT3AT5x3G8a8MOE3q7F5KChk0DYc2KbvXlhmfGAoZcugFG+kMwZdesCfuMTISV/+RZ5hc7EmvrLF9aA9mCrk6nZwlT0l6yaynoZjLigTHYLM9CGkkDRjtalcro+czw2CNpd+7aPfR+7L7vquU7/v+g6fwnyfweA92fUTeeIdT8O4h+O078OtBSD3Y8f1vKklvlkhyThtw+Lsn1QfHB+HDX1ZTIvKme7wH93+CH57Ct09goLJb/YVCIP3k3UPVYx7... | 0 |
math | calculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x=7? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB9D0lEQVR4nO39eXhU55knfn9r164SkpCEsCRjgTBYAmRjDEYswfFG4jY4DnZ+WZz2JO10HMe5ZnqmJ+3OO93jMO7J1nbbnky6ndiZTo9jJrbTNgiMzaYIA0YggcQmA9pAJakklVTrWeqc94+iyggkkOA8VJX0/VyXL6xSnVu3zlGdus9T93kek67rOoiIiIiIyBDmeCdARERERDSZsMAmIiIiIjIQC2wiIiIiIgOxwCaiEXbs2IGysjKsXbsWAPDFL34R77zzzqjPVRQ... | [
"no",
"yes"
] | null | 1 |
math | algebra-1 | describe-linear-and-exponential-growth-and-decay | false | true | How does h(x) change over the interval from x=6 to x=8? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABuYklEQVR4nO39e1RUd74mcD+bquIuFBcFJQFjVBIUiHiLRhPT2mqCGtEk2v32JWel+0x6+r5mznl7ndPTM6cnk8lapy+rM0lOT8/pk6Rn9Xp7OqtNTqJBREUUCCKIIGiUoHIRuRRQ98uuqr3fP+gioKJVun9UFTyffxJK6uHL3lW7nvqxq0pSVVUFERERERFpIibcAxARERERzSQs2EREREREGmLBJiIiIiLSEAs2EU1SWlqK999//7b/Vl9fj8cffxxer/e2//6Xv/w... | [
"h(x) increases by 200%",
"h(x) increases by 2",
"h(x) increases by 100%",
"h(x) increases by a factor of 2"
] | null | 1 |
science | grade-4 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADFUElEQVR4nOz9ebwk2VnfCX/PiSX37e51a6/qquq9Wy0JtAGSkI0tjBmbd8afAfs1tmHwvHgGGMPYHhsDM4zf8Wvsl4ExYpGFB2Njy7bA7DtCSKil7lbvXd3VtdetuvuSe2ZEnHPmjxORN27Wvb1I3VW3q+P7+eTNzLiRkZGRkZm/85zf8zzCGGMABoMBi4uLtFotoigiI+N247ou1WqVAwcOkM/n39Tnys7/jP1Gdv5nvJ25led/RsadiDDGmH6/z4ULFzh69Cj5fB7... | [
"opaque",
"colorful",
"translucent"
] | null | 2 |
math | grade-5 | compare-fractions-and-mixed-numbers | false | true | Which sign makes the statement true?
1
1
9
1
1
9 | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAHaklEQVR4nO3dS0hU7x/H8Y8/bUalRqIRKbqPBNoFNKkJCmzTpo2kUosKxLJamIsCIQkK7EIhBUUTQlJBtciKyLBNt00zLWQ08YKo3RSDSbIphFPK+S3C+esvtfE4NZP/9wuE5nTOc77P7sPDc55vnGmapgAAAABExD/RLgAAAACYSQjYAAAAQAQRsAEAAIAIImADAAAAEWQ5YA8PD+vhw4cqKSlRYmKiTpw4Ecm6Ytrr16914cIFrV69WrNmzYp2OQAAAIghCVYf/Pr... | [
"<",
">",
"="
] | null | 2 |
math | grade-4 | properties-of-three-dimensional-figures | true | false | Maureen made a 3-dimensional figure that had 8 edges and 5 faces. Which figure could Maureen have made? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANgAAABSCAYAAAA2CxpTAAAS1klEQVR4nO3de1xUZf7A8c8AogIySghekJviGqmgoSIlF3NVFFIJL7AZ/MBLm6iD2YavbMFsN8pF8KUbXjBQS0NwgaTEFQMvqT81mZTfaogyZhsipqAgAiq/PyZmnbzBMIcx93m/Xrxkhuc858txvjzfec5zzsiampqaLjVA6U24cQduNyEIgo5MZNDFGFzMwNYUZJfqm5qOXjd0WILw9BlhCSZnb6of9DSF35mrs08QBN3cuAPf10J5A5TcBKPrt9U/EMklCG3... | 2 |
science | grade-7 | 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:
long, cold winters and short, ... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9Z3Rk13nge/8r55wBVCHn1N1A50iymaksUhQlUaIky2FscUayNRprru2xZ2x6JNlKjpJF5UCREnNqstk5oCNyDlVA5Zxz1fuhZd7btscev+v19Luu67dWfTh1AvapWg/wYJ+9ny24lKzXe1WgEdHQ0NDQ0NDQ0NDwbyJdhcUsCFKVer2ReDY0NDQ0NDQ0NPxbS1dBUK/X67e6IQ0NDQ0NDQ0NDf8+iP+fG+ev/A8i4QQGXTPJRIGnn3qJXLbEpz7... | 0 |
math | grade-3 | choose-the-appropriate-measuring-tool | true | false | Which tool would help you use the right amount of cocoa powder to make a cup of hot chocolate? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACnCAYAAADzJ6XqAAAYcElEQVR4nO2dfXATx93Hv5Ilg1+wTuAYCC+WiRNoSOojeWiB5sFyS1ueThJEHpLmybRjOZOmLU1qQSedZqYDog+d9CVPrDRJZ0hIOAc6QCiJDDQkkxCLPE/NhBCQa5qXxg5nIGDAsU9GEliWtM8f4o6TLJ1OwSfL1n5mGKzV73b37r7a3fv9dvd0hBDSEwI6g8DFCBAmoFAyxqADJhUANxYDUwsBXc8gIYcHRrtalPHE18sAw6fB2IfphcDckpjqKJRMuRgBPgk... | 1 |
math | grade-2 | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAATAElEQVR4nO2dWYwcx3nH/9VzH3twLy4v0ZYtSrAUKraD0DJj5cVxIDiGnTzYCIzkLYaAJIBg2JAhIA95SCQlQODAMBIg0FMeciAHEkcEAjh6sC1DtGxKoiXKIiWK9FLcJffkztU9fVQe+pienZnd6Zqenqre7wdIM+yp6a7u+W/199X31deMc87X2sC7TaBmAxYHQUhHlgFTGeCBMnA0D7A1g/Of7E66WwQxPOemgey1pvuPY3ngwYqraoKQjZoNvNMAVtvA1Sa... | 0 |
math | grade-7 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAHUAAACjCAYAAAC0Y1GOAAAGWUlEQVR4nO2dTWxUVRTH//PRqZZmbLRALLHMQkIxARakslBCK40xVpDRgDGhgxrjgrYuFKIkJGwAP3e1MXGDTrswkNhmbI2JLW1hYTJ1YRfYRBdOG4fotMRhoKWdoTMuWh6WMkwL970zOfx/mzfz8t7ck/frnHvfeXduXblcLgeiCrd0AMQ8YlJjoyNSTatHTOrpjw5TrE2ISE3EY/ht+AJ6wm0SzatHRGr4kw8AAEPdnZhKJSVCUI2I1F8v/GS97uW31TiOSx3oCmN... | [
"yes",
"no"
] | null | 1 |
math | grade-7 | identify-linear-and-nonlinear-functions | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABf5ElEQVR4nO3de3Bc9Z3n/U+ru3W/WrIlISMZY3CQkQ0GQ2xsMGMCBBI2NsmapCYZZplMyOY+U7OVZyqb2skyPKmaIVNhQjbJbjaQ2TxPNjwBNlxkx8QGO3LAWNgykg0YY+tiW5eWWq2+n+4+5/nDlrB8wZJ9fm639X5Vqey+nI++Or/uX3/716e7PY7jOAIAAADgirxsFwAAAABcSmiwAQAAABfRYAMAAAAuosEGMOHWW2/Vc889N3H6d7/7na655hrZtp29ogAAyDE... | [
"linear",
"nonlinear"
] | null | 0 |
science | grade-3 | animal-adaptations-skins-and-body-coverings | true | true | Blue poison dart frogs have poisonous glands in their brightly colored skin. The bright colors serve as a warning sign that the animal is poisonous. The blue poison dart frog's skin is adapted to ward off predators. Which animal's skin is better adapted as a warning sign to ward off predators? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9d7xlVXnw/11t733qbdMLDDMw0qSJwhuwYgFUFIKVJApGffVVDAgB9KfEYIwVomRExKiImBh8VaKSF2KwgIhIjYD0On1uP22XVX5/7JnrDMzAgBc15nw/n/u599yzz9prr72edZ79rKeIEEKw1uK9p0+fPn369OnTp0+fPv89kVKitUYURRH6yn2fPn369OnTp0+fPv/9kVIi+8p9nz59+vTp06dPnz5/HHjvkb/vTvTp06dPnz59+vTp02f26Cv4ffr... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9d5wlV33njb/PORVv6tyTgyZKozTKgIRA5GQZeAQ2lm2SwWuMceJn4HmtjVnn9QJrY+DFYmMwOSwgA8ISQoCEsjQapdHk0eTO3TdXOOH3R3U3MwpoAIF2/dz3H1Lfe6tOnao6p6Y+55uEc85prbHW0qNHjx49evTo0aNHj/87kVLieR5CiKe7Kz16/KdE9oRzjx49evTo0aNHjx7/92OtRWv9dHejR4//tMiecO7Ro0ePHj169OjR4z8HvXf7Hj1... | 0 |
math | pre-k | ordinal-numbers-up-to-fifth | false | true | The first picture is a barn. Which picture is fifth? first | "iVBORw0KGgoAAAANSUhEUgAAAaUAAABdCAYAAAAFZHluAAAjEElEQVR4nO2deVyU1f7HP2cWmXGQQTQUyF20RQVKLFNR00rvjbQsNfuZ2027mVpqt8VSSc0ytFxyS8XsVm6ZRlfTXECtaxcMXMoFKNQEo0SQgZlhZji/P85sDzPMxoCznPfr9fsFz3Oe83w593i+zznfjVBKKTgcDofD8QFEt1oADofD4XBMcKXE4XA4HJ+hwZRSmY6iw/6bSDhcgTIdPyHkcDgcjnM8Ukq7i3VIOa9xqGwy/tKjsKoGueUGTDhZ5bGAHA6Hwwke3FZ... | [
"barn",
"sun",
"tractor"
] | null | 1 |
math | grade-6 | quadrants | true | true | Which shape is in Quadrant I? | "iVBORw0KGgoAAAANSUhEUgAAAfkAAAH8CAYAAADSe9ZXAAA5r0lEQVR4nO3df3DU9YH/8dcmm4Qk5BcESIIQf/FDQ0QBkR+GSpHvoXj4k3H4altHr3N0xsHpOZ2vx/U6Pa9ydm5slVrvyl1HeqfXjgxerxQ8CiJEImJQIECgQGsIhoQkZJNs2F/Z3c/3D7opmIRsQj772c8nz8eMM+5ndz+fF+/sfl77+bGfdRmGYQgAADhOitUBAACAOSh5AAAcipIHAMChKHkAAByKkgegX/7yl6qqquq5HQ6H9YMf/EA+n8/CVACuFSUPONzGjRu... | null | [
"iVBORw0KGgoAAAANSUhEUgAAApcAAAH8CAYAAACEt4SVAAA/cElEQVR4nO3df3RU9YH//9ckk4Qk5BcECEGIv/ihMaKAKD9Cpcpn8cfiT46HL7b16PasPacHT9fT83Hdbk/XrXzs2WOr1Lpbd3uku3XblYPbLQWXiggxKWJQIECgQGsAQ0ISMkkmmV+Zmfv9I51ISEJm4N65c5Pn4xyPZ24m9758O3Pnlfe9d67LMAxDAABg1HG5XHZHwBiUZncAAAAAjB6USwAAAJiGcgkAAADTUC4BAABgGsolAP3yl79UTU1N/+NwOKzvf//... | 1 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAABkCAYAAABwx8J9AAAXlUlEQVR4nO3dfYwb9Z3H8c94/LBrJ5vsbrMkBEI2JCFQQhoedklSoJTHEwUhiE5BUBUdgiNQXaVS3Z0OVXfqo3R/IFUgndreHakqqsId9EEUKOH2QC2FBPJ8ySbZZJN93rUTPz+M7Xm4P5z1rtf2ePww44nzef1T/DT+vbuRv7ue8VjQNE0DERERXdQczV4AERER1Y8DnYiIqAVwoBMREbUADnQiIqIWwIFORETUAmw90D8e/zm+99adGJz6qNlLqQs77KXVOob9+5q... | [
"17 − 3 = 14",
"18 − 2 = 16",
"18 − 3 = 15",
"18 − 4 = 14"
] | null | 2 |
math | algebra-1 | perimeter-area-and-volume-changes-in-scale | false | true | Look at this rectangle: If the base is doubled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAABEAAAAOCAYAAADJ7fe0AAABAklEQVR4nM2SPYqDABCFX+IKNiLY2AQbvYG3sBG09wB6AS8Q7CzEA0isvYUIaVOrjWAlYq3F22LJssYm2WyxAwMDb+Zj/g4kiTft+C4AAI5d10GSpI0LgoCyLHfJl8sFiqIgiiI0TYOqqr4EPtg4jjRNk9M0PUp0XZdpmpIkkyRhHMckyR0kCAJmWbYDnM9nyrLM0+lE3/epqio1TWMURVtI27Y0DIPLsuwgJOk4DouiIEmGYfjdyWaxaZoiCAKIovjSYj/uwbquyPM... | [
"The new area will be 2 times the old area.",
"The new area will be\n1\n2\nof the old area.",
"The new area will be 3 times the old area.",
"The new area will be 4 times the old area."
] | null | 0 |
science | grade-5 | animal-adaptations-skins-and-body-coverings | true | true | Arctic hares live in the Canadian Arctic and Greenland. The Arctic hare's skin is adapted to help the animal survive in cold places. Which animal's skin is also adapted for survival in cold places? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9ebRkVZG+/UTsfc7Je2ukqkBmGQtQZkFUFMGhBdRSpGgFHEHRdgQFUVe3No0i3ai0AyqiyCAo8pNB/KQFpEUBkZlGHFBxQBBRphruzTxn74jvj511m5ICCixR7HzWYnEr8+SZT2bs2G+8Ie7uKSXMjBEjRowYMWLEiBEjRjw+UVVijEjXdT4K7keMGDFixIgRI0aMePyjqugouB8xYsSIESNGjBgx4u8DM0P/2jsxYsSIESNGjBgxYsSIVccowB8xYsS... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9eaBkV1Xv/1lr731OVd17e+5OOnNCCBDmSZBJJkEQkCEIAVEB5QniYwZBUBlfNCCTCLwIAgkgIEMePnhCZJAABoQQmWSQIUOnkx7vVHWGvff6/bGrr2mSkA40IPzq80fSXXXOqTPt02ft9V3fJWZmMUZyzsyYMWPGjBkzZsyYMePnE1XFe4+I/Kx3ZcaMX0h0FjjPmDFjxowZM2bMmPHzT86ZGOPPejdmzPiFRWeB84wZM2bMmDFjxowZvxjM3u1... | 0 |
science | grade-5 | evaluate-natural-energy-sources | true | false | Below are three examples of using energy from natural resources. Select the use of energy that did not add to air pollution. Hint: Burning a material such as wood, oil, or coal releases chemicals that add to air pollution. A wood-burning oven was used to bake a pizza. Wind moved a sailboat across the water. A candle bu... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAADOCAYAAAB4pWlzAAEAAElEQVR4nOz9WaykeZreh/3+/2/fYo84+zm5VGZV1tJbddcsbM3S0+RwBkOOTIIySF5ZskXSsg0DBgiRti98Z3i5kWXYEiyCpiFQ5ngokSbVGIiaGU4v0z1T013VmVVZVVm5nf3EifXb988XX07SpUtT6gbK8QPyIpF5TkaciBf5xLs8j/jjddO86oCnsGHDhg0bNmzYsGHDfycEFXwcgfDLptkIzw0bNmzYsGHDhg3/XRNUIJqmaX7aD2TDhg0bNmzYsGHD/3+... | 0 |
math | grade-5 | parts-of-a-circle | false | true | What is \line{SU}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADJCAYAAABWm0bCAAAsx0lEQVR4nO3deVxUhd4/8M8sDPsyoAgqO4qCgFu4AOKGu+XVUvPmU0/Zdu81W9TKp+vv3m51W229Tz1qZXUtLe2WmksKCKKE4gIouCECyiY7wz7D/P5ADzOBO8w5M3zer1ev19nmzHds/vjM4Xu+R6bX6/UgIiIiIiKLoBS7AFOQyWTddm7+PiIiIiIiKekRAZ8hnIiIiIh6CrnYBRARERERUdeRy2Qy7N+/v8OOsWPHwtPTs8P2ixcvQiaT4bPPPsP69eshk8mg1Wq... | [
"radius",
"chord",
"center"
] | null | 1 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.