In this lesson, children calculate the perimeter of a rectangle from the length and width. They will learn different approaches for calculating the perimeter and choose which they like best. There is a teaching presentation accompanied by differentiated activities with a range of fluency, reasoning and problem-solving questions.

National Curriculum Objectives:
Mathematics Year 4:

convert between different units of measure [for example, kilometre to metre]
measure and calculate the perimeter of a rectilinear figure (including squares) in centimetres and metres
find the area of rectilinear shapes by counting squares

Differentiation:
There are three levels of differentiation in this pack: ‘working towards,’ ‘expected’ and ‘greater depth’.

Level of this Pack:
Age: 8-9
 England & Wales: Year 4
 Scotland: Primary 4
 Rep. Ireland: Third Class
 Australia: Grade 3
 USA: Grade 3
#Autumn Block 3
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