﻿ Year 1 Subtraction Not Crossing 10 Lesson - Classroom Secrets | Classroom Secrets

Y1 Maths

# Subtraction Not Crossing 10 Lesson

This Year 1 Subtraction Not Crossing 10 lesson covers the prior learning of how many left, before moving onto the main skill of subtracting within 20, not crossing 10.

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 Objectives
Mathematics Year 1: (1N4) Identify and represent numbers using objects and pictorial representations including the number line, and use the language of: equal to, more than, less than (fewer), most, least

Mathematics Year 1: (1N2c) Read and write numbers from 1 to 20 in numerals and words

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### 2 Teaching Support

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#### Lesson Slides

These lesson slides guides pupils through the prior learning of how many left, before moving onto the main skill of subtraction not crossing 10. There are a number of questions to check pupils' understanding throughout.

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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 1 Subtraction Not Crossing 10 lesson covers the prior learning of how many left, before moving onto the main skill of subtracting within 20, not crossing 10.

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#### Full Step

For further practice, visit the full step where you will find a selection of further resources and activities such as a differentiated resource pack, homework/extension worksheet and discussion problem.

### 3 Activities

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#### Worksheet

This worksheet includes varied fluency questions for pupils to practise the main skill of subtraction not crossing 10.

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#### Practical Activities

These practical activities include tasks covering a range of provision areas for pupils to practise the main skill of subtraction not crossing 10.

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#### Full Step

For further practice, visit the full step where you will find a selection of further resources and activities such as a differentiated resource pack, homework/extension worksheet and discussion problem.

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#### Interactive Activity

This Year 1 Subtraction – Not Crossing 10 Game checks pupils’ ability to subtract two numbers within 20.

### 4 Extension

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#### Extension

This subtraction not crossing 10 extension task includes a challenge activity which can be used to further pupils' understanding of the concepts taught in the subtraction not crossing 10 lesson.

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#### Interactive Activity

This Year 1 Subtraction – Not Crossing 10 Maths Challenge checks pupils’ understanding of subtracting numbers.