Year 4

Year 4

# Calculate the perimeter of simple compound shapes

## Lesson details

### Key learning points

1. In this lesson, we will learn how to calculate the perimeter of compound shapes.

### 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

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## Worksheet

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## Starter quiz

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### 4 Questions

Q1.
How many centimetres are equivalent to 3 metres?
0.3 centimetres
30 centimetres
Correct answer: 300 centimetres
Q2.
One side of a square measures 3.2 metres. What is the perimeter in centimetres?
1.28 cm
Correct answer: 1280 cm
12800 cm
Q3.
If one side of a square measures 10mm, what will it's perimeter be? *
100 mm
20 mm
Correct answer: 40 mm
Q4.
What is the perimeter of the rectangle below in centimetres?
169 cm
Correct answer: 338 cm
50.9 cm

## Exit quiz

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### 4 Questions

Q1.
What is the perimeter of this shape?
48 m
Correct answer: 68 m
90 m
Q2.
What is a composite shape?
Correct answer: A shape made of two or more shapes put together
A shape with no parallel lines
A type of triangle
Q3.
The perimeter of a regular octagon is 88 mm. How long is each side?
Correct answer: 11 mm
44 mm
8 mm
Q4.
What is the perimeter of the shape below?
22 cm
Correct answer: 26 cm
4 cm