Unit 7 Review

What is the equation for area?

• area = length x width

• area = length - width

• area = length + length + width + width

• area = length x length

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the equation for perimeter?

• perimeter = length x width

• perimeter = length - width

• perimeter = length + length + width + width

• perimeter = length x length

Tags

CCSS.3.MD.D.8

Explain the difference between area and perimeter using a rectangle as an example.

• The area is the space inside the rectangle, calculated by multiplying length and width, while the perimeter is the total length of all four sides of the rectangle.

• Area is calculated by adding length and width, while perimeter is calculated by multiplying length and width

• Area is the total length of all four sides of the rectangle, while perimeter is the space inside

• Area is the length of the rectangle, while perimeter is the width

Calculate the area of a rectangle with length 5 units and width 3 units.

• 12 square units

• 8 square units

• 15 square units

• 10 square units

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the perimeter of a rectangle with length 8 units and width 4 units.

• 32 units

• 24 units

• 12 units

• 16 units

Tags

CCSS.4.MD.A.3

If the area of a rectangle is 24 square units and the width is 4 units, what is the length?

• 10

• 12

• 6

• 8

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A rectangular garden has a perimeter of 28 meters and a length of 6 meters. What is the width of the garden?

• 12

• 10

• 4

• 8

Tags

CCSS.4.MD.A.3

What is the area of a rectangle with length 10 units and width 7 units?

• 17 square units

• 27 square units

• 50 square units

• 70 square units

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Determine the perimeter of a rectangle with length 12 units and width 5 units.

• 17 units

• 34 units

• 23 units

• 56 units

Tags

CCSS.4.MD.A.3

If the area of a rectangle is 45 square units and the length is 9 units, what is the width?

• 10

• 7

• 3

• 5

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3