Decompose shapes into rectangles to determine the area of the composite shape using the area formula for rectangles. Decompose shapes into rectangles to determine the area of the composite shape.

Use visual models, decompose shapes, and apply the area formula for rectangles to solve problems in real world contexts. Use visual models & the area formula for rectangles to solve problems.

Understand concepts of volume measurement by counting unit cubes, using cubic cm, cubic in, cubic ft, and improvised units. Solve problems involving volume. Understand concepts of volume measurement by counting unit cubes or calculating volume.