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CCSS 3.MD.7C Worksheets

CCSS 3.MD.7C (Common Core, 3rd Grade): "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." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.

Measurement and Data Geometric measurement: understand concepts of area and relate area to multiplication and to addition. 7Relate area to the operations of multiplication and addition. cUse 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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