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M.4.MG.1.4 Understand and use formulas to solve problems involving perimeters and areas of rectangles and squares. Use those formulas to find the areas of more complex figures by dividing the figures into basic shapes.

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Perimeter and Ar...
Margo Mankus: Ar...
Adventures in St...
Area of Common F...
Adventures in St...
Building a Brick...
What Changes, Wh...
Finding Perimete...
Go Fly A Kite
Geometric Fractals
Geoboards in the...
Tangrams
Shape Explorer
Shape Explorer
Squares and Rect...
Patterns and Fun...
It's Raining!
Geoboard Virtual...

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