Foundation

# Find the circumference of a circle

## Slide deck

Download slide deck

## Lesson details

### Key learning points

- In this lesson, we will investigate how to calculate the circumference of a circle. We will explore the formula used for this calculation, and practise finding the circumference from a given radius or diameter.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

Share with pupils

Loading...

### 3 Questions

Q1.

Find the perimeter of the compound shape.

36 km

49 km

Q2.

Find the perimeter of the compound shape.

40 mm

49 mm

65 mm

Q3.

Find the perimeter of the compound shape.

26 cm

28 cm

32 cm

### 4 Questions

Q1.

Find the length of the circumference in terms of pi.

A

B

C

Q2.

Find the length of the circumference to three significant figures.

A

B

D

Q3.

Find the length of the circumference in terms of pi.

A

B

C

Q4.

Find the length of the circumference to 3 significant figures.

B

C

D