Maximizing Area Problems of Rectangles

Ben wanted to make a dog pen with an area of 36 square feet.  What could the dimensions of his dog pen be?

• 3 feet by 6 feet

• 9 feet by 9 feet

• 9 feet by 4 feet

• 5 feet by 6 feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What multiplication problem helps you solve for L?

• 5 x 5 = 25

• 6 x 5 = 30

• 5 x 3 = 15

• 5 x 4 = 20

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What division problem helps you solve for L?

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is L?

Tags

CCSS.6.EE.B.7

What is L?

Tags

CCSS.8.EE.A.2

Calculate the area of this shape

• 240cm²

• 64cm²

• 432cm²

• 304cm²

Tags

CCSS.3.MD.C.7D

What is the area of a rug that is 7 ft wide and 11 ft long?

• 70 sq ft

• 18 feet

• 107 sq ft

• 77 sq ft

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area?

• 35 square m

• 9 square m

• 40 square m

• 18 square m

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3