﻿ Year 1 Count One Less Lesson - Classroom Secrets | Classroom Secrets

Y1 Maths

# Count One Less Lesson

This Year 1 Count One Less lesson covers the prior learning of counting one less using practical equipment, before moving onto the main skill of recalling one less than a given number within 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: (1N1a) Count to and across 100, forwards and backwards, beginning with 0 or 1, or from any given number

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

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### 1 Prior Learning

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#### Worksheet

This worksheet recaps prior learning of counting one less using practical equipment, before moving onto the main skill of recalling one less than a given number within 10.

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#### Interactive Activity

This Reception One Less Than Game will help children remember number facts in a fun way.

### 2 Teaching

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#### Lesson Slides

These lesson slides guides pupils through the prior learning of counting one less using practical equipment, before moving onto the main skill of count one less. 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.

### 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 count one less.

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#### Practical Activities

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

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#### Interactive Activity

This reception one less game will help children to identify the number that is one less than a given number.

### 4 Extension

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#### Extension

This count one less extension task includes a challenge activity which can be used to further pupils' understanding of the concepts taught in the count one less lesson.