Common Core Alignment:.

3.MD.7b:

Measurement And Data

Geometric Measurement: Understand Concepts Of Area And Relate Area To Multiplication And To Addition.

Multiply side lengths to find areas of rectangles with whole- number side lengths in the context of solving real world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning.

6.G.1:

Geometry

Solve Real-World And Mathematical Problems Involving Area, Surface Area, And Volume.

Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.