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Y5 Maths

# Calculate Perimeter Lesson

This Year 5 Calculate Perimeter lesson covers the prior learning of perimeter of a rectangle and perimeter of rectilinear shapes, before moving onto the main skill of calculate perimeter.

The lesson starts with a prior learning worksheet to check pupils’ understanding. The interactive lesson slides recap the prior learning before moving on to the main skill. Children can then practise further by completing the activities and can extend their learning by completing an engaging extension task.

National Curriculum Objective
Mathematics Year 5: (5M7a) Measure and calculate the perimeter of composite rectilinear shapes in centimetres and metres

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### 2 Teaching Support Subscription #### Lesson Slides

These lesson slides guides pupils through the perimeter of a rectangle and perimeter of rectilinear shapes, before moving onto the main skill of calculate perimeter. There are a number of questions to check pupils' understanding throughout.

Power Point from the old Resource Pack Subscription #### Modelling PowerPoint

This powerpoint can be used to model the questions that the children will complete on the Varied Fluency and Reasoning & Problem Solving worksheets as part of this lesson. Subscription #### Lesson Slides

These are the same as the lesson slides on Classroom Secrets. You can assign this as an activity for pupils to access individually in school or remotely from home. Subscription #### Video Tutorial

In this Calculate Perimeter Video Tutorial, Jade demonstrates how to calculate the perimeter of composite shapes when given all measurements, and how to work out missing measurements. She uses terminology such as length, width and scale.

### 1 Prior Learning Subscription #### Worksheet

This worksheet recaps prior learning of perimeter of a rectangle and perimeter of rectilinear shapes, before moving onto the main skill of calculate perimeter. Subscription #### Interactive Activity

Laura calculates the perimeter of rectangles using repeated addition and multiplication in this Perimeter of a Rectangle Video Tutorial. She uses key terminology including length and width. Subscription #### Sequencing Activity

In this Year 4 Perimeter of Shapes Sequencing Activity, pupils will use their knowledge of calculating the perimeter of rectilinear shapes, in both metres and centimetres. Subscription #### Reasoning Activity

This Year 4 Perimeter of Rectilinear Shapes Reasoning Practice activity check pupils’ understanding of the perimeter of rectilinear shapes. Pupils will select the correct answer from a list, identify whether a statement is true or false and choose an appropriate reason why and select the statement that best fits.

### 2 Varied Fluency

Varied Fluency from the old Resource Pack Subscription #### Worksheet

This worksheet includes varied fluency questions for pupils to practise the main skill for this lesson. Subscription #### Interactive Animation

This Year 5 Calculate Perimeter Interactive Animation supports pupils’ understanding of perimeter of composite shapes. Children are asked to complete 5 interactive questions which involve calculating missing values on the sides of composite shapes, and calculating the perimeter of shapes on grid squares.

### 2 Reasoning & Problem Solving

Reasoning and Problem Solving from the old Resource Pack Subscription #### Worksheet

This differentiated worksheet includes reasoning and problem solving questions to support the teaching of this step. Subscription #### Mixed Practice

This worksheet includes varied fluency, reasoning and problem solving questions for pupils to practise the main skill of calculate perimeter. Subscription #### Worksheet

This calculate perimeter extension task includes a challenge activity which can be used to further pupils' understanding of the concepts taught in the calculate perimeter. Subscription #### Discussion Problem

This Discussion Problems worksheet includes two discussion problems which can be used in pairs or small groups to further pupils' understanding of the concepts taught in this lesson. Subscription #### Interactive Challenge Activity

This Year 5 Calculate Perimeter Maths Challenge is designed to check pupils’ understanding of calculating perimeter within a problem solving context.

### 2 Homework Subscription #### Worksheet

This differentiated worksheet includes varied fluency and reasoning and problem solving questions to support the teaching of this step. Subscription #### Home Learning Pack

This Autumn week 11 Maths pack contains varied fluency, reasoning and problem solving worksheets. Subscription #### Consolidation

This resource is aimed at Year 5 Expected and has been designed to give children the opportunity to consolidate the skills they have learned in Autumn Block 5 – Geometry Perimeter and Area. Subscription #### Learning Video Clip

Auntie Sharon, Alfie and Uncle Paul need some help calculating the perimeter of different areas of the garden so that they can work out how many plant beds they need to dig out and how many conifers they need to buy.