﻿ Year 1 Subtraction - Crossing 10 1 Lesson - Classroom Secrets | Classroom Secrets

Y1 Maths

# Subtraction - Crossing 10 1 Lesson

This Year 1 Subtraction - Crossing 10 1 lesson covers the prior learning of solving subtractions by breaking apart, before moving onto the main skill of subtracting within 20 and 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: (1C2a) Add and subtract one-digit and two-digit numbers to 20, including zero

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### 2 Teaching Support

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#### Lesson Slides

These lesson slides guides pupils through the prior learning of solving subtractions by breaking apart, before moving onto the main skill of subtraction - crossing 10 1. 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.

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#### Video Tutorial

In this Subtraction Crossing 10 Video Tutorial, Katie shows children how to subtract a single-digit number from a two-digit number.

### 1 Prior Learning

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#### Worksheet

This worksheet recaps prior learning of solving subtractions by breaking apart, before moving onto the main skill of subtracting within 20 and 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 - crossing 10 1.

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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 - crossing 10 1.

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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 Maths Game aims to support pupils' basic subtraction skills within 10.

### 4 Extension

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#### Extension

This subtraction - crossing 10 1 extension task includes a challenge activity which can be used to further pupils' understanding of the concepts taught in the subtraction - crossing 10 1 lesson.

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#### Interactive Activity

This Year 1 Subtraction – Crossing 10 1 Maths Challenge checks pupils’ understanding of subtracting numbers within 20 by partitioning.