NameDate
Radius and diameter
The diameter is twice the radius.
- r =
- d =
- d =
- r =
- r =
- r =
- d =
- r =
- r =
Find the radius and diameter, then the circumference and area of circles using π ≈ 3.14. There are 2 sheets here: radius and diameter and circumference and area. Pick one from the tray, print it, and add its answer key as a second page if you want one.
The diameter is twice the radius.
They suit grades 6 to 7. Each sheet in the tray practices it a different way, so you can pick the one that fits.
Yes. Tick “add the answer key as page 2” before printing, or turn on Answer key to check work on screen.
Yes. Press New problems for a fresh set of the same kind, then print again. The answer key changes with it.
No. The sheets print straight from this page, free, with no sign-up.