Area and Perimeter

What did I do wrong when solving for perimeter?
Length:  7 cm
Width:  4 cm
7 x 4 = 28 squared cm

• your answer should be 28 cm
• you multiplied, you should add 7 + 7 + 4 + 4
• you solved for perimeter
• you should multiply 4 x 7 

Tags

CCSS.4.MD.A.3

The rectangle has a Perimeter of 32 inches and a width of 5 inches. What is the Length? (Remember 5 + 5 + ___ + ___ = 32)

• 16

• 22

• 11

• 10

Tags

CCSS.4.MD.A.3

The area of this square is 49 feet squared. What is the length of one side?

• 7

• 10

• 8

• 6

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the perimeter?

• 20
• 5
• 4

Tags

CCSS.4.MD.A.3

What is the perimeter of the fence?

• 25
• 30
• 35
• 40

Tags

CCSS.4.MD.A.3

What is the perimeter of this rectangle?  
Length:  8 cm
Width:  4 cm

• 32 cm
• 24 square centimeters
• 24 cm
• 84 cm 

Tags

CCSS.4.MD.A.3

Ms. Dart has a rectangular garden that has the perimeter of 30 feet. If two of it's sides are 10 feet in length each, how wide is the garden?

• 10 feet

• 5 feet

• 40 feet

• 7 feet

Tags

CCSS.3.MD.D.8

Aidan's bedroom floor is shaped like a rectangle, as shown above. What is the area of her bedroom floor?

• 26 square feet

• 168 square feet

• 48 square feet

• 140 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Jada's dad is placing shingles on the roof of a sun porch. The rectangular roof measures 12 feet long and 9 feet wide. What is the area of the roof?

• 108 square feet

• 144 square feet

• 216 square feet

• 225 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the measure of the missing side length?

• 144 ft

• 4 ft²

• 4 ft

• not possible

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3