Y1 Maths

Part Whole Model Lesson

This Year 1 Part-Whole Model lesson covers the prior learning of finding the total number of two groups by counting, before moving onto the main skill of identifying the different ways numbers can be partitioned into parts and wholes.

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: (1C1) Represent and use number bonds and related subtraction facts within 20
Mathematics Year 1: (1C2b) Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs

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1 Prior Learning

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Worksheet

Worksheet

This worksheet recaps prior learning of finding the total number of two groups by counting, before moving onto the main skill of identifying the different ways numbers can be partitioned into parts and wholes.

2 Teaching

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Lesson Slides

Lesson Slides

These lesson slides guides pupils through the prior learning of finding the total number of two groups by counting, before moving onto the main skill of part whole model. 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 Finding a Part Video Tutorial, Katie shows children how to find the missing part within a part-whole model.

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 part whole model.

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Practical Activities

Practical Activities

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

4 Extension

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Extension

Extension

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