3.MD.7c - Geometric measurement: understand concepts of area and relate area to multiplication and to addition

Sat, 07/15/2017 - 01:46 -- editor

Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a × b and a × c.
Use area models to represent the distributive property in mathematical reasoning.

CC.3.MD.7c Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a × b and a × c. Use area models to represent the distributive property in mathematical reasoning.
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Common Core Math
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3.md.7c