Area and perimeter problems (3rd grade math)

First I remind viewers of the concepts of area and perimeter and how they differ from each other. Then we find the area and perimeter of a somewhat complex rectilinear figure - not all its side lengths are even given, so we need to figure those out.

Lastly, there's a little puzzle to solve: draw a rectangle with the given area and perimeter!

See also

Same Area, Different Perimeter — video lesson

Math Mammoth Early Geometry — a self-teaching worktext for geometry topics in grades 1-3

Math Mammoth Grade 3 complete curriculum

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