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Grade 4

CCSS Math Standard: 4.MD.3

Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit. Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

Same Perimeter, Different Area For Rectangles

Can two rectangles have the same perimeter but… different areas!?

How Many Students Can Fit On The Playground?

So… just how many kids could we cram onto the playground?