Illustrative Mathematics
Illustrative Mathematics: 7.sp.6 Tossing Cylinders
Think about a cylindrical (or cylinder-like) object, such as a bottle lid or a roll of tape. Some possible objects are shown in the picture below. Suppose you were to toss one of these objects into the air and observe their landing...
Illustrative Mathematics
Illustrative Mathematics: A Rei Radical Equations
The purpose of the task is to show students a situation where squaring both sides of an equation can result in an equation with more solutions than the original one, because it is possible to have two unequal numbers whose squares are...
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