Area and Perimeter

The area of a rectangle is 72 sq units.  One side length is 9 units.  What is the other side length?

• 9 units
• 7 units
• 10 units
• 8 units

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of the rectangle.

• 40 square cm
• 45 square cm
• 36 cm
• 36 square cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The area of a rectangle is 25 square cm. What could the length and the width of that rectangle be?

• 6 ft and 4 ft
• 5 ft and 5 ft 
• 10 ft and 15 ft

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the perimeter?

• 9 units
• 12 sq units
• 12  units
• None of the above

Tags

CCSS.3.MD.D.8

Mrs. Davis wanted to cover the classroom with new carpet. If the length of the classroom was 12 feet and the width was 8 feet. How much carpet would she need to buy?

• 20 feet
• 40 ft
• 96 square feet
• 40 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A square garden has a perimeter of 100 feet.  What is the length of each side?

• 25 feet
• 50 feet
• 400 feet
• 100 feet

Tags

CCSS.4.MD.A.3

A football field is 300 feet long.  If the perimeter of the field is 920 feet, what is the width?

• 620 feet
• 320 feet
• 160 feet
• 310 feet

Tags

CCSS.3.MD.D.8

The dimensions of a rectangle are given as:
 (8x - 21), (y + 8),
 (4x + 7) and (2y - 4) .  Which expression represents the perimeter.

• 12x +3y - 14
• 32x^2+2y^2 -136
• 12x + 3y - 10
• 15xy - 10

The area of a rectangle is at least 104 square inches.  If the length is 8, find an expression for the width.

• x > 13
• x ≥ 13
• 13 > x
• 13 > x

The perimeter of the square is at most 64, find a expression for each side.

• s < 16
• s ≤ 16
• s < 8
• s ≤ 8