Read through these 4 expressions and try to picture the images they are composing. If you’re not sure what they’ll look like, type them into the interactions area of your editor and see if you can figure out how the code connects to the image.
beside(rectangle(200, 100, "solid", "black"), square(100, "solid", "black"))
scale-xy(1, 2, square(100, "solid", "black"))
scale(2, rectangle(100, 100, "solid", "black"))
above(
rectangle(100, 50, "solid", "black"),
above(
rectangle(200, 100, "solid", "black"),
rectangle(100, 50, "solid", "black")))For each image below, identify 2 expressions that could be used to compose it. The bank of expressions at the top of the page includes one possible option for each image.
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These materials were developed partly through support of the National Science Foundation,
(awards 1042210, 1535276, 1648684, and 1738598). 
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