Free practice on Circles for Class 3, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.
A circle is a round shape where every point on the edge is the same distance from the centre. Wheels, coins, and the moon all look like circles!
⭕ A circle
The centre is the exact middle point. The radius is the distance from the centre to the edge. The diameter goes all the way across the circle through the centre — it is twice the radius!
The point in the middle of a circle is called the:
Answer: B. centre
The line from the centre of a circle to its edge is the:
Answer: B. radius
The line that crosses a circle through its centre is the:
Answer: C. diameter
The radius of a circle is 4 cm. What is its diameter in cm?
Write your answer, then check below.
Answer: 8
Diameter = 2 × radius = 2 × 4 = 8 cm.
The app holds every question on this page and hundreds more, works with no internet after the first load, and costs nothing. It fits on a shared phone.
