3.MD.C.7 Worksheets: Area of Rectangles

About this standard

This standard links area to multiplication: a rectangle that is 5 squares long and 3 squares wide has 3 rows of 5, so its area is 15 square units. Children should count squares before relying on the formula, then always label the answer with square units. Count on a grid in Area of Rectangles on a Grid, then multiply side lengths in Area of Rectangles by Multiplying.