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.
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
area as sum
Use the same method as part (a).
area as a product
product as a sum