Common Core Alignment

CCSS.Math.Content.3.MD.7.d - Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

5: Math

Unit 5: Area and Perimeter
Lesson 10: Problem Solving With Perimeter and Area
Lesson 11: Unit Test
Lesson 8: More Work With Area
Lesson 9: Creating With Perimeter and Area