Circles Practice
Practice radius, diameter, circumference, area, pi, arcs, and sectors with visual explanations and guided math.
Open this practice ladder →Learn CirclesSkills in this topic
- Relate radius and diameter.
- Use circumference and area formulas.
- Calculate arcs and sectors using fractions of a circle.
Worked example
A circle has radius 6 cm. Diameter = 12 cm. Circumference = 12π cm ≈ 37.6991 cm. Area = 36π cm² ≈ 113.0973 cm².
How the Ladder Works
Six levels run from Warm-Up to Mastery. Warm-Up has five questions; later sets grow to eight or nine depending on the topic. Clear a level with at least 80% first-try accuracy. Every level is available from the start, and retries produce fresh questions.
Hints and worked solutions support practice. Grades 7–11 is a guide, not a restriction.
Practice CirclesYour privacy
No account is needed. Practice progress is stored on your device. We use cookie-free, non-identifying page-view analytics; see the privacy policy. Practice and lessons are ad-free. Advertising is currently disabled.