NY-3.MD.7.c

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

Example Problems
Apply the distributive property to factor out the greatest common factor:
Factor out the greatest common factor to create an equivalent expression:
Apply the distributive property to factor out the greatest common factor:
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