Comparing Area and Perimeter

Find the area of the square.

• 90 ft²

• 81 ft²

• 36 ft²

• 18 ft²

What is the length of the missing side if the perimeter is 18 feet?

• 2 ft

• 3 ft

• 4 ft

• 5 ft

Leslie draws a rectangle that is 5 in long and 4 inches wide. Ben draws a rectangle with the same area, but different dimensions. What could be the dimensions of Ben's rectangle?

• 10 in long by 4 in wide

• 5 in long by 5 in wide

• 20 in long by 4 in wide

• 10 in long by 2 in wide

What is the length of the missing side if the area is 27 inches?

• 7 in

• 8 in

• 9 in

• 10 in

What is the length of the missing side if the perimeter is 26 inches?

• 10 in

• 9 in

• 8 in

• 7 in

Which expression matches the area of the rectangle?

• (2x8) x (4x8)

• (2+8) x (3+8)

• (2x8) + (3x8)

• (5x8) + (5x8)

Spencer and Tiana each find the area of the rectangle using a different expression. Who is correct?

• Spencer

• Tiana

• Both are correct

• Neither are correct

What is the length of the missing side of the area is 24 in²?

• 3 in

• 4 in

• 5 in

• 6 in

Ellen is comparing 2 rectangles. -Rectangle A is 5 inches long and 2 inches wide -Rectangle B is 4 inches long and 3 inches wide. Which statement correctly compares the area and perimeter of the rectangles?

• The rectangles have equal areas and rectangle A has a greater area.

• The rectangles have equal areas and rectangle B has a greater perimeter.

• The rectangles have equal perimeters and rectangle A has a greater area.

• The rectangles have equal perimeters and rectangle B has a greater area.

• 15 centimeters

• 17 centimeters

• 20 centimeters

• 24 centimeters