### Home > CCAA8 > Chapter 3 Unit 4 > Lesson CCA: 3.2.3 > Problem 3-58

3-58.

Examine the rectangles formed with tiles below. For each figure, write its area as a product of the width and length and as a sum of its parts.

a.

Find the outside dimensions of the large rectangle.

See dimensions below.

As a product: multiply the dimensions of the large rectangle together.

As a sum: add up the areas of all of the small rectangles.area as product

(length)(width)

area as sum

Use the same method as part (a).

area as a product

(length)(width)

product as a sum