15.3 Solving Perimeter and Area Problems

Use the formulas for perimeter and area of rectangles to

solve each problem

Find x.

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CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Use the formulas for perimeter and area of rectangles to

solve each problem

Find y.

Tags

CCSS.4.MD.A.3

Use the formulas for perimeter and area of rectangles to

solve each problem

Find length.

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Use the formulas for perimeter and area of rectangles to

solve each problem

Find width.

Tags

CCSS.4.MD.A.3

Use the formulas for perimeter and area of rectangles to

solve each problem

Find area.

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Michael designs and makes quilts. You may wish to use a sketch to help you solve the problem.

He made a baby quilt that was 3 feet wide. Its perimeter was

16 feet. What was its area?

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CCSS.3.MD.D.8

Michael designs and makes quilts. You may wish to use a sketch to help you solve the problem.

He made a queen-sized quilt that was 8 feet long. Its area

was 64 square feet. What was its perimeter?

Tags

CCSS.3.MD.D.8

Michael designs and makes quilts. You may wish to use a sketch to help you solve the problem.

He wanted to make another quilt with an area of 42 square

feet. What are its possible dimensions if they must be whole numbers?

Which length and width makes the most sense for a quilt?

• 1 ft x 42 ft

• 6ft x 7 ft

• 2 ft x 45 ft

• 3ft x 16 ft

• 4ft x 19 ft

Tags

CCSS.3.MD.D.8

Michael designs and makes quilts. You may wish to use a sketch to help you solve the problem.

The perimeter of another quilt had to be 34 feet because he only

had that much binding. If he wanted it to be 8 feet long, what would its area be?

• 18 sq ft

• 72 sq ft

• 144 sq ft

• 292 sq ft

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B