﻿ Year 5 Inverse Operations Lesson - Classroom Secrets | Classroom Secrets

Y5 Maths

# Inverse Operations Lesson

This Year 5 Inverse Operations lesson covers Supporting Ac prior learning of checking strategies, before moving onto the main skill of using addition and subtraction to check their calculations to ensure accuracy.
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 Objectives
Mathematics Year 5: (5C2) Add and subtract whole numbers with more than 4 digits, including using formal written methods (columnar addition and subtraction)
Mathematics Year 5: (5C4) Solve addition and subtraction multi-step problems in contexts, deciding which operations and methods to use and why

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### 2 Teaching Support

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#### Lesson Slides

These lesson slides guide pupils through the prior learning of place value of 1s, 10s and 100s, before moving onto the main skill of inverse operations. There are a number of questions to check pupils' understanding throughout.

PowerPoint from the old Resource Pack

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#### 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.

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#### 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.

### 1 Prior Learning

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#### Worksheet

This worksheet recaps he prior learning of checking strategies, before moving onto the main skill of using addition and subtraction to check their calculations to ensure accuracy.

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#### Video Tutorial

In this Checking Strategies Video Tutorial, Laura shows pupils how to use the inverse operation to check the answers of calculations.

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#### Interactive Animation

This Year 4 Checking Strategies Interactive Animation comprises four questions that are designed to check pupils’ understanding of using the inverse operation to check addition and subtraction calculations.

### 2 Practical Activities

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#### Supporting Activity

This inverse operations supporting activities sheet contains suggestions for additional tasks you might wish to use to support pupils' understanding of the concepts taught in the lesson.

### 2 Varied Fluency

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#### Worksheet

This differentiated worksheet includes varied fluency questions for pupils to practise the main skill of this lesson.

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#### Interactive Activity

This Year 5 Inverse Operations Game includes five questions designed to check pupils’ understanding of inverse operations.

### 2 Reasoning & Problem Solving

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#### Mixed Practice

This worksheet includes varied fluency, reasoning and problem solving questions for pupils to practise the main skill of inverse operations.

Reasoning and Problem Solving from the old Resource Pack

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#### Worksheet

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

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#### Discussion Problem

This 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.

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#### Challenge Activity

This Year 5 Inverse Operations Maths Challenge is designed to check pupils' understanding of inverse operations with addition and subtraction.

### 2 Homework

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#### Worksheet

This differentiated worksheet includes varied fluency and reasoning and problem solving questions to support the teaching of this step.

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#### Learning Video Clip

Tripp and Tori Backpacker are visiting the continent of South America. They are touring the rainforest.

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#### Consolidation Pack

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 2 – Addition and Subtraction.

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#### Home Learning Pack

This Autumn week 5 Maths pack contains varied fluency, reasoning and problem solving worksheets.