Skills · Geometry · Geometry Basics
Circumference of circles
Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.
Problem types
- the radius labeled: a circle with radius 7
- the diameter labeled: a circle with diameter 15
- a word problem: A pizza has a diameter of 14 inches. How far around is it?
- the circumference given, the radius or diameter missing: The circumference is 43.96. Find the radius.
Sample Sheet · Level 1
Find the circumference.
Find the circumference.
Find the circumference.
Find the circumference.
Find the circumference.
Find the circumference.
Find the circumference.
Find the circumference.
Answer key
- 47.1 units
- 50.24 units
- 53.38 units
- 62.8 units
- 56.52 units
- 69.08 units
- 65.94 units
- 59.66 units
Sample Sheet · Level 3
The circumference is 84.78. Find the diameter.
Find the circumference.
Find the circumference.- A round garden has a radius of 9 feet. How far around is it?
The circumference is 81.64. Find the radius.- A round table has a diameter of 55 inches. How far around is it?
Find the circumference.
Find the circumference.
Answer key
- 27 units
- 87.92 units
- 62.8 units
- 56.52 feet
- 13 units
- 172.7 inches
- 59.66 units
- 69.08 units
Make your own
Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.