Circle Review!

Exponents

100

6²

36

200

5³

125

300

2⁴

16

400

Write 9 x 9 x 9 x 9 x 9 as an exponent 

9⁵

500

7⁶

117,649

Circumference

100

What is the circumference of a circle? 

It is the outside of the circle. 

200

What is the estimated value of pi? 

3.14

300

What is the formula for the circumference of a circle? 

3.14 x diameter 

400

What is the diameter of a circle? 

The diameter is a line that goes through the center of the circle to both sides of the circle. 

500

What is the radius of a circle? 

The radius is the line that goes from the center of the circle to one side of the circle. 

Radius/Diameter

100

What is the radius of the circle if the diameter is 10 in. 

5 in. 

200

What is the radius of the circle if the diameter is 32 cm? 

16 cm

300

What is the diameter of a circle if the radius is 15 ft. 

Diameter = 30 ft

400

What is the radius of the circle if the diameter is 54 cm. 

Radius = 27 cm

500

What is the diameter of the circle if the radius is 23 m.

radius = 46 m

Random

100

54 x 8

432

200

105 x 7

735

300

Find the perimeter of a rectangle with a height of 40 ft and the length 21 ft

122 ft 

400

What is the area of a rectangle with height of 6 in and a length of 40 in. 

240 in²

500

699 divided by 3

233

Circumference 2

100

Find the circumference with the diameter of 11 in. Use 3.14 for pi. 

34.54 in 

200

Find the circumference of a circle with a diameter of 13 in. Use 3.14 for pi. 

40.82 in

300

Find the circumference of a circle with a radius of 5 ft. Use 3.14 for pi. 

31.4 ft

400

Find the circumference of a circle with a radius of 14 cm. Use 3.14 for pi. 

615.44 cm 

500

Find the circumference of a circle with a radius of 17 in. Use 3.14 for pi. 

106.76 in