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Lesson Plan
Curated OER

Mystery Polygon

For Teachers 2nd
Second graders describe a polygon in the form of a riddle.
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Lesson Plan
Curated OER

How Much Does a Bear Weigh?

For Teachers K - 2nd
Students estimate how many children in their class it would take to equal the mass of one adult bear. They then weigh and record their measurement on a chart to check their estimate.