Length and Perimeter Y3

January 1, 2022

Year 3 Length and Perimeter – Measure in metres and centimetres – Lesson 1

In this lesson, children revise measure objects in metres or centimetres using a ruler, metre stick or other measuring equipment. […]
January 1, 2022

Year 3 Length and Perimeter – Measure in millimetres – Lesson 2

This lesson builds on children’s knowledge of metres and centimetres by focusing on millimetres. Children learn that millimetres are smaller […]
January 1, 2022

Year 3 Length and Perimeter – Measure in centimetres and millimetres – Lesson 3

In this lesson, children combine their knowledge from previous lessons and measure objects in centimetres and millimetres using the format […]
January 1, 2022

Year 3 Length and Perimeter – Metres, centimetres and millimetres – Lesson 4

In this lesson, children discuss the appropriateness of different units of measure for different objects. They then compare various measurements […]
January 1, 2022

Year 3 Length and Perimeter – Equivalent lengths (metres and centimetres) – Lesson 5

In this lesson, children use the fact that 100 cm is equal to 1 metre to convert centimetres into metres […]
January 1, 2022

Year 3 Length and Perimeter – Equivalent lengths (centimetres and millimetres) – Lesson 6

Children further develop their understanding of the relationship between centimetres and millimetres, using the fact 10 mm is equal to […]
January 1, 2022

Year 3 Length and Perimeter – Compare lengths – Lesson 7

This lesson focuses on comparing and ordering lengths with different units of measure using comparison language and inequality symbols. Children […]
January 1, 2022

Year 3 Length and Perimeter – Add lengths – Lesson 8

This lesson focuses on adding lengths with the same unit of measure before progressing onto additions that have different units […]
January 28, 2021

Year 3 Length and Perimeter – Subtract lengths – Lesson 9

This lesson focuses on subtracting two lengths with the same unit of measure followed by subtraction of two lengths with […]
January 27, 2021

Year 3 Length and Perimeter – What is perimeter? – Lesson 10

This lesson introduces children to perimeter and its definition. They then explore perimeter of 2-D shapes and discuss the difference […]
January 26, 2021

Year 3 Length and Perimeter – Measure perimeter – Lesson 11

This lesson builds on previous learning by encouraging children to measure perimeter of shapes using equipment and working in a […]
January 25, 2021

Year 3 Length and Perimeter – Calculate perimeter – Lesson 12

This lesson teaches children to use the properties of 2D shapes to calculate the perimeter of simple shapes. Children are […]
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