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

Data, Statistics, and Probability

Measurement & Data: Geometric measurement: Use concepts of area and relate area to multiplication and to addition.

Use concepts of area and relate area to the operations of multiplication and addition.