Area of Shaded Grids Rectangles

A rectangle is tiles using unit squares, as shown. Which expressions can be used to represent the area of the rectangle?

• (5 x 3) + (5 x 4) or (4 x 8)

• (5 x 3) + (5 x 4) or (5 x 8)

• (4 x 3) + (4x 5) or (4 x 8)

• (4 x 3) + (4 x 5) or (5 x 8)

Study the figure. Each square represents an area of 1 square unit. What is the area of the shaded portion of the rectangle?

• 4 square units

• 8 square units

• 16 square units

• 24 square units

The PTO is adding a concrete section for chalk and 4-square onto project fit. It is shaped like two rectangles of different sizes placed together. What is the total area of the new concrete section?

• 56 feet

• 30 feet

• 35 feet

• 41 feet

Kai's dad has a living room that is 4 meters long and 7 meters wide. He uses tiles that an area of 1 square meter to cover the living room floor. How many tiles does he need to cover the kitchen floor?

• 11 tiles

• 12 tiles

• 28 tiles

• 32 tiles

What is the area of the shaded region of the rectangle?

• 6 square units

• 8 square units

• 9 square units

• 12 square units

• 20 sq ft

• 34 sq ft

• 21 sq ft

What is the area of these shape?

• 9 sq ft

• 6 sq ft

• 18 sq ft

• 3 sq ft

What is the area of the shaded portion?

• 10 square units

• 13 square units

• 30 square units

• 20 square units

the area is

• 100

• 150

• 50

• 25

Kai has a rectangular garden. He wants to find out how much space his garden occupies. He knows that he must multiply the length times the width to get the ______

• shape

• area

• perimeter

• location