Vocabulary
Circumference
Circumference 2.0
Circumference 3.0
Radius/Diameter
100

Name a shape that has no edges.

Circle

100

What is the circumference of the circle? Use 3.14 for pi.


43.96 yards

100

What is the circumference of a circle if:

the Diameter = 4 in

12.6 in

100

Trevor needs a new bicycle tire. His tire has a circumference of about 112 inches. What is the diameter of his tire? Use 3.14 for pi.  (round to the nearest hundredth)

35.67 in

100

What is the radius if the diameter is 10 feet?

5 feet

200

Name the line that goes from one edge of a circle to another edge and passes through the center.

Diameter

200

What is the circumference of a circle if:

the radius = 9 yds?

56.5 yds

200

What is the circumference of the circle. Use 3.14 for pi.

31.4 in

200

Gene’s frying pan Is 14.5 inches in diameter. What is the circumference of his frying pan? Leave your answer in terms of pi.


14.5pi

200

What is the diameter if the radius is 12 inches

24 inches

300

What do you call half of the Diameter?

Radius

300

What is the circumference of the circle. Use 3.14 for pi.

52.8 feet

300

What is the circumference of the circle. Use 22/7 for pi.

44 in

300

Brad is putting up a circular flower garden in his yard. He will put plastic edging along the flowerbed. How many feet of edging will Brad need to enclose his flower garden if it has a radius of 5 feet? Use 3.14 for pi. 

31.4

300

A circle has a circumference of 25.12 inches.  Find the diameter. Use 3.14 for pi.

8 inches

400

What word describes the perimeter of a circle?

Circumference

400

What is the circumference of the circle. Leave your answer in terms of pi.

20pi

400

What is the circumference of a circle if:

the Diameter = 16.8 in

52.8 in

400

Macy measures a truck’s tire mark for one complete revolution as 120.48 inches long. What is the diameter of the tire? Use 3.14 for pi. (round to the nearest hundredth)

38.37 in

400

Find the radius of a circle with a circumference of

10pi

5

500

What is the name of this shape?

Semicircle

500

What is the circumference of a circle if:

the radius = 11.8 yds?

74.1 yds

500

What is the circumference of the circle. Leave your answer in terms of pi.

23.4pi

500

The circular fountain in front of the courthouse has a radius of 9.4 feet. What is the circumference of the fountain? Round to the nearest whole number. Use 3.14 for pi.

59 ft

500

A circle has a circumference of 37.68 feet.  What is the radius of the circle?

6 feet