Year 4

Calculate the perimeter of composite shapes

Year 4

Calculate the perimeter of composite shapes

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Lesson details

Key learning points

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

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4 Questions

Q1.
What is the perimeter of this shape?
An image in a quiz
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?
An image in a quiz
22 cm
Correct answer: 26 cm
4 cm