This what is the area inside worksheet lets 3rd grade students split grid shapes into two rectangles, add the parts, and find the total area. An answer key is included for quick checking.

In this 3.MD.7 Third Grade Common Core Lesson, studentsfind the area of a vegetable garden by relating addition and multiplication.

This geometric measurement understanding unit squares activity has 3rd-4th grade students match area words to meanings and pictures, then count unit squares. Answer key included for quick checking.

This estimate and count unit squares activity helps 2nd-3rd Grade students find area by covering shapes with paper tiles. A practice page and answer key are included.

A CMAS 3rd grade math practice test workbook for teachers, with a pretest, skill practice for all 36 standards, mixed review and 2 full-length practice tests. Answer key included, so test prep is ready to go.