Perimeter
Area
Properties of Multiplication
Vocabulary
Multiplying by multiples of 10
100

An octagon has 8 sides with a length of 6 centimeters each.  What is the perimeter of this figure?

48 cm

100

A rectangle has side lengths that measure 3cm long and 5cm high.  What is the area of the rectangle?

15 cm2

100

7 x (3+6)

Which expression has the same value?


 A. (7 × 3) + (7 × 6)
 B. (7 × 3) × (7 × 6)
 C. (7 + 3) + (7 + 6)
 D. (7 + 3) × (7 + 6)


A

100

The product of 2 numbers is called a:

multiple

100

3 x 10

30

200

One rectangle has a length of 12 feet and a height of 4 feet.  A second rectangle has a length of 3 feet and a height of 6 feet.  What is the perimeter of both shapes together?

50 feet

200

A rectangle has side lengths of 4cm long and 20cm wide.  What is the area of this rectangle?

80cm2

200

Solve. 

5 x (1+7)

40
200

The number of square units needed to cover the inside of a figure or region is called:

Area

200

6 x 30

180

300

A rectangular rug is 14 feet long and 9 feet wide. What is the perimeter of the rug?


46 feet

300

A square has a side length of 9 feet. What is the area of the square?

81 ft2

300

Which of the following equations is false?

A. 32 ÷ 8 = 8 ÷ 32

 B. 4 × 1 = 1 × 4

 C. 4 × 8 = 8 × 4

 D. 8 × 0 = 0 × 8

A

300

The distance around a shape or region is called:

perimeter

300

7 x 40

280

400

The perimeter of this polygon is 16 inches. All but one of the side lengths is shown below. What is the length of the missing side?


5 inches

400

When tiling to find area it is ok to have gaps and overlaps.

True or False

False

400

The commutative property works for what operations?

Addition and Multiplication

400

A square with a side length of one unit is called

unit square

400

9 x 30

270

500

What is the perimeter of the polygon pictured below?

48 centimeters

500

What is the formula for area?

Length times width

A=LxW

500

Solve.

6 x (4+3)

42

500

A figure made up of two or more shapes is called a

composite figure

500

80 x 7

560