Developing an Understanding of Area

• 40 in²
• 40
• 40 in
• 4 in²

What does area mean?

• the distance around a shape
• half the distance around a shape
• the amount of space outside a shape
• the amount of space inside a shape

The area of a rectangle is 49 sq. in.  One side length is 7 in.  What is the other side length?

• 9 in.
• 10 cm.
• 3 in.
• 7 in.

Mrs. Davis wanted to cover the classroom with new carpet. If the length of the classroom was 12 feet and the width was 8 feet. How much carpet would she need to buy?

• 20 feet
• 40 ft
• 96 square feet
• 40 square feet

Eriasia wanted to put down new tile in her bathroom. Her bathroom had a width of 10 ft and a width of 9 feet. How many square feet of tile should she buy?

• 90 square feet
• 19 square feet
• 38 square feet

Find the area of the triangle pictured.  

• 22.5 cm²
• 45 cm²
• 15.75 cm²
• 31.5 cm²

Find the area.

• 27.3 mi²
• 54 mi²
• 27 mi²
• 54.6 mi²

Find the area of a triangle if the base is 3 and the height is 6.

• 9 cm²

• 18 cm²

• 9 cm

• 18 cm

What is the base of a triangle if A = 40cm² and h = 10cm.

• 4

• 5

• 8

• 2

Alex is building a shelf shaped like a triangle. He wants the height to equal 8 and the area to equal 72. What will b equal?

• 9 cm

• 9 cm²

• 18 cm

• 18 cm²