Grade 7 · Year 8 · Class 7 · ages 12–13 · Geometry
Circles, circumference and area: Grade 7 practice
Finding the circumference and area of a circle using π ≈ 3.14. Eight questions at a time, instant feedback and a mastery score from 0 to 100.
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The idea in one minute
Circumference = 2 × π × radius, and area = π × radius × radius. Do not mix up the two.
Try these on paper first
One question at each level. Tap a question to see the answer.
Easy Circumference of a circle with radius 2 cm (use 3.14):
Answer: 12.56
Medium Area of a circle with radius 1 cm (use 3.14):
Answer: 3.14
Challenge Circumference of a circle with radius 6 cm (use 3.14):
Answer: 37.68
More ways to practise circles, circumference and area
- Printable circles, circumference and area worksheet with an answer key (new questions every time)
- All Grade 7 practice · Geometry worksheets
Related skills
- Surface area of cuboids (Grade 7)
- Area of rectangles, triangles and parallelograms (Grade 6)
- Angles in triangles, on a line and round a point (Grade 6)
- Pythagorean theorem (Grade 8)
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FAQ
Circles, circumference and area: questions
What grade is circles, circumference and area?
It is usually taught in Grade 7 (Year 8 in England, Class 7 in India, ages 12–13), though schools and countries differ. Try the grade above or below if it feels too hard or too easy.
What does a circles, circumference and area question look like?
For example: "Area of a circle with radius 1 cm (use 3.14):" The answer is 3.14. Circumference = 2 × π × radius, and area = π × radius × radius. Do not mix up the two.
What should I learn before and after circles, circumference and area?
Before it, try angles in triangles, on a line and round a point (Grade 6). After it, move on to surface area of cuboids (Grade 7).
How can I get better at circles, circumference and area?
Circumference = 2 × π × radius, and area = π × radius × radius. Do not mix up the two. Practise a little every day, read the hint after each wrong answer, and use the printable worksheet when you want to write it out.
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