﻿ Year 3 Add 2-Digit and 3-Digit Numbers Lesson – Classroom Secrets | Classroom Secrets

Y3 Maths

# Add 2-Digit and 3-Digit Numbers Lesson

This Year 3 Add 2-Digit and 3-Digit Numbers lesson covers the prior learning of adding two 2-digit numbers with an exchange, before moving onto the main skill of adding 2-digit and 3-digit numbers with more that one exchange.

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 3: (3N3) Recognise the place value of each digit in a three-digit number (hundreds, tens, ones)
Mathematics Year 3: (3C1) Add and subtract numbers mentally, including three-digit number and tens
Mathematics Year 3: (3C2) Add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction
Mathematics Year 3: (3C4) Solve problems, including missing number problems, using number facts, place value, and more complex addition and subtraction

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### 2 Teaching Support

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#### Lesson Slides

These lesson slides guide pupils through the prior learning of adding two 2-digit numbers with an exchange, before moving onto the main skill of add 2-digit and 3-digit numbers. 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 Year 3 Add 2-Digit and 3-Digit Numbers lesson covers the prior learning of adding two 2-digit numbers with an exchange, before moving onto the main skill of adding 2-digit and 3-digit numbers with more that one exchange.

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#### Interactive Activity

This Year 2 Add 2 Digit Numbers Game checks pupils' understanding of adding two 2-digit numbers, including an exchange.

### 2 Varied Fluency

Varied Fluency from the old Resource Pack

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#### Worksheet

This worksheet includes differentiated varied fluency questions for pupils to practise Add 2-digit and 3-digit numbers.

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#### Interactive Activity

This Year 3 Add 2-Digit and 3-Digit Numbers Game includes five questions to check pupils’ understanding of adding together 2-digit and 3-digit numbers with an exchange.

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#### Interactive Activity

This Year 2 Add and Subtract using 2 Digits includes three questions to check pupils' understanding of adding and subtracting with numbers that involve an exchange.

### 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 add 2-digit and 3-digit numbers.

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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#### Interactive Challenge Activity

This Year 3 Add 2-Digit and 3-Digit Numbers Maths Challenge is designed to check pupils' ability to add two-digit and three-digit numbers together.

### 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

Ali the Animal Keeper is working in the conservation park when a mysterious package arrives! Help her to find out what’s inside using your knowledge of adding 2-digit and 3-digit numbers.

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#### Consolidation Pack

This Addition and Subtraction Consolidation Year 3 Block 2 resource is aimed at Year 3 Secure 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 7 Maths pack contains varied fluency, reasoning and problem solving worksheets.