﻿ Year 3 1, 10, 100 More or Less Lesson - Classroom Secrets | Classroom Secrets

Y3 Maths

# 1, 10, 100 More or Less Lesson

This Year 3 1, 10, 100 More or Less lesson covers the prior learning of finding 1 more or less than a 2-digit number, before moving onto the main skill of 1, 10, 100 More or Less.

The lesson starts with a prior learning worksheet to check pupils’ understanding. If they need more practice, you can choose other resources for that step. 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 3: (3N1b) count from 0 in multiples of 4, 8, 50 and 100
Mathematics Year 3: (3N2b) find 10 or 100 more or less than a given number

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### 1 Prior Learning

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#### Worksheet

This worksheet recaps prior learning of finding 1 more or less than a 2-digit number, before moving onto the main skill of 1, 10, 100 More or Less.

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#### Interactive Activity

This Year 2 10 More and 10 Less Game checks pupils’ understanding of adding and subtracting 10 to and from any 2-digit number.

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#### Reasoning Activity

This Find One More and One Less Reasoning activity checks pupils’ understanding of counting forwards and backwards to find 1 more and 1 less than a number.

### 2 Teaching

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#### Lesson Slides

This interactive slide show guides pupils through the prior learning of finding 1 more or less than a 2-digit number, before moving onto the main skill of 1, 10 and 100 more or less. There are a number of questions to check pupils' understanding throughout.

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#### Video Tutorial

Aaron shows pupils how to use a place value chart to find 1, 10 and 100 more or less than a given number in this 1, 10 and 100 More or Less Video Tutorial.

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#### Lesson Slides

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

### 3 Activities

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#### Worksheet

This worksheet includes varied fluency, reasoning and problem solving questions for pupils to practise the main skill of 1, 10 or 100 more or less.

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#### Interactive Activity

This Find 1, 10 or 100 More or Less Game checks pupils’ understanding of finding 1, 10 and 100 more or less than a 3-digit number.

### 4 Extension

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#### Extension Activity

This 1, 10, 100 more or less extension task includes a challenge activity which can be used to further pupils' understanding of the concepts taught in the 1, 10, 100 more or less lesson.

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#### Interactive Extension Activity

Pupils will read the clues to identify the start and work their way through the maze to determine the end number. This problem-solving activity supports deeper understanding of the objective.