Perimeter and Area of Rectangles to Maximize Area

What is the Perimeter of this rectangle?

• 16 cm

• 40 cm

• 26 cm

• 13 cm

Tags

CCSS.4.MD.A.3

Farmer Bob's son built a track to walk his pet pig. The track goes around the pig pen. The pig pen is 15 feet long and 21 feet wide. If the pig walks all the way around the track, how many feet did he walk?

• 72 feet

• 36 feet

• 36 square feet

Tags

CCSS.4.MD.A.2

What is the perimeter?

• 24 sq cm

• 24 cm

• 35 sq cm

• 35 cm

Tags

CCSS.4.MD.A.3

Find the PERIMETER of this figure.

• 20 square feet

• 20 cm

• 25 square feet

• 20 cm sq.

Tags

CCSS.4.MD.A.3

If sets of rectangles have a FIXED PERIMETER, of 20, which rectangle would have the largest area?

• 1 x 9

• 2 x 8 

• 6 x 4

• 1 x 20

Tags

CCSS.3.MD.D.8

This rectangle has side lengths r and s.

Look at each of the expressions and determine whether it gives the perimeter of the rectangle, the area of the rectangle, or neither.

Match each expression to the categories.

• r * s

• Perimeter

• Neither

• r+ r + s+s

• Area

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Isaac drew two rectangles. • Rectangle X has a perimeter of 20 units. • Rectangle Y has an area of 20 square units. Which measurements could be the dimensions of each rectangle? Select the correct answer for each box. Each answer may be used more than once. Not all answers will be used.

c

a

Length: 6 units
Width: 4 units

Length: 10 units
Width: 10 units

Length: 13 units
Width: 7 units

Length: 10 units
Width: 2 units

Tags

4.5.D

Mr. MacClay wants to plant a garden with the GREATEST AREA. He wants it to have perimeter of 100 feet. Which dimensions should he use?

• 10 feet by 40 feet

• 15 feet by 35 feet

• 20 feet by 30 feet

• 25 feet by 25 feet

Tags

CCSS.4.MD.A.3

The area of the rectangle is 8 ¼  square inches.

What is the perimeter?

(Give the answer as a mixed number in lowest terms) Do not add inches to the answer.

Mathematical Equivalence

ON

Tags

CCSS.3.MD.D.8

The area of the rectangle is 8 ¼  square inches.

What is the perimeter?

(Give the answer as a mixed number in lowest terms)

Mathematical Equivalence

ON

Tags

CCSS.4.MD.A.3