Year 7
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Lesson details
Key learning points
- In this lesson, we will use different units of length to describe perimeter; calculate the perimeter of polygons and estimate the perimeter of 'curved' 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.
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5 Questions
Q1.
Fill in the gap: Perimeter is a measure of the total _________ around the outside of a shape.
estimate
space
Q2.
Fill in the gap: We record perimeter using units of __________, such as m, cm and mm.
estimate
space
Q3.
Find the perimeter of this shape.
14cm
20cm
24cm
Q4.
One side of a square is 8m. What is the perimeter of the square?
16 m
64 m
8 m
Q5.
A regular pentagon has a perimeter of 50mm. What is the length of one side of the pentagon?
10cm
5cm
5mm