3rd Math 3.6C (R)

Megan tiled a rectangle with an area of 24 square centimeters. Which of these could NOT be Megan’s rectangle?

• A

• B

• C

• D

The Baldwin City Parks Department is planning a new public swimming pool. The pool will have a swimming area, a diving area, and a kiddie area. Which expression can be used to find the total area of the new swimming pool?

• (4 × 6) + (8 × 5) + (3 × 3)

• (10 × 6) + (3 × 8)

• (3 × 3) + (8 × 10) + (4 × 6)

• (3 × 3) × (8 × 10) × (4 × 6)

Andrew needs a rectangular rug for his office that covers exactly 36 square feet. Which could be the dimensions of the rug?

• 6 feet long and 3 feet wide

• 8 feet long and 4 feet wide

• 9 feet long and 2 feet wide

• 9 feet long and 4 feet wide

Ben and his brother, Aaron, worked together to build a rabbit hutch for a scout project. Ben’s pen measured 5 units by 5 units, and Aaron’s pen measured 5 units by 8 units. The model shows how the brothers combined the two pens to make the hutch. Which method could NOT be used to find the area, in square units, of the combined pens?

• Add 5 + 5, then multiply the sum by 8.

• Add 5 + 8, then multiply the sum by 5.

• Add 13 + 13 + 13 + 13 + 13.

• Multiply 5 × 5 and 5 × 8, and add the two products.

Kesha can use (a)   to find the area of the tabletop.

• Area Formula

• Volume Formula

• Perimeter Formula

• Circumference Formula

The area of Kesha’s tabletop is (a)   .

• 8 square feet

• 15 square feet

Holt Elementary School is selling advertising space for the yearbook. The layout for the different rectangular ads on a page is shown in the diagram. What is the total area, in square inches, of a page?

• 45 square inches

• 30 square inches

• 60 square inches

• 90 square inches

Mr. Lopez builds a playhouse for his daughter. The playhouse has the dimensions shown in the drawing. Circle ONE strategy that will help Mr. Lopez find the total area of the playhouse floor.

• Decompose the playhouse into two rectangular spaces. Find the area of each space. Then find the difference between the areas.

• Decompose the playhouse into two rectangular spaces. Find the area of each space. Then add the amounts to find the total area. grok

Diann wants to place her bookshelf and computer desk side by side in her bedroom. The shaded section of the model represents the bookshelf, and the white section represents the computer desk. Which expressions can be used to determine the amount of floor space Diann needs in her bedroom for both pieces of furniture?

• (3 + 5) + (3 + 3)

• 3 + 8

• 3 x 8

• (3 x 5) + (3 x 3)

• (3 x 5) x (3 x 3)