Y1

Year 1 Partitioning Numbers

This Year 1 Partitioning Numbers lesson covers the prior learning of tens and ones within 50, before moving onto the main skill of partitioning numbers within 100.

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 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 and least

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2 Teaching Support

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Lesson Slides

Lesson Slides

These lesson slides guide pupils through the prior learning of tens and ones within 50, before moving onto the main skill of partitioning numbers. 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 Tens and Ones Partitioning Video Tutorial, Katie shows pupils how to partition a 2-digit number into tens and ones. She uses physical manipulatives, as well as numerals, to represent the number and its place value.

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Video Tutorial

In this Tens and Ones Part Whole Model Video Tutorial, Katie shows pupils how to partition a 2-digit number into tens and ones and how to represent it in a part-whole model.

1 Prior Learning

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Worksheet

Worksheet

This worksheets recaps prior learning of tens and ones within 50, before moving onto the main skill of partitioning numbers within 100.

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Full Step

Full Step

For further practice, visit the full step for a selection of resources and activities to support the prior learning for this lesson.

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Interactive Activity

This Year 1 Tens and Ones Game has been designed to check pupils' understanding of partitioning numbers into tens and ones.

3 Activities

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Worksheet

Worksheet

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

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Practical Activity

Practical Activity

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

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Full Step

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 Represent Numbers Matching Game aims to support pupils' place value skills.

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Interactive Activity

This Year 1 Tens and Ones Game checks pupils' understanding of the value of each digit when partitioning 2-digit numbers.

4 Extension

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Extension

Extension

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

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Interactive Challenge Activity

This Year 1 Partitioning Numbers Maths Challenge checks pupils' understanding of partitioning numbers within 100.