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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2 Teaching Support

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Lesson Slides

Lesson Slides

These lesson slides guide 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.

Power Point from the old Resource Pack
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Modelling Powerpoint

Modelling Powerpoint

This powerpoint can be used to model the questions that the children will complete on the Varied Fluency and Reasoning & Problem Solving worksheets as part of this lesson.

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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.

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.

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Interactive Activity

This Reception Adding Game will allow children to develop their skills in adding two single-digit numbers.

2 Practical Activities

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Practical Activities

Practical Activities

These practical activities include tasks covering a range of provision areas for pupils to practise the main skill of part whole model.

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Supporting Activities

Supporting Activities

This part whole model supporting activities sheet contains suggestions for additional tasks you might wish to use to support pupils' understanding of the concepts taught in the lesson.

2 Varied Fluency

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Written Activities

Written Activities

This worksheet includes varied fluency questions for pupils to practise the main skill of part whole model.

Varied Fluency from the old Resource Pack
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Worksheet

Worksheet

This differentiated worksheet includes varied fluency questions for pupils to practise the main skill of this lesson.

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Interactive Activity

Interactive Activity

This Year 1 Part-Whole Model Game is designed to check pupils’ understanding of using part-whole models to partition whole numbers into parts.

2 Reasoning & Problem Solving

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Discussion Problem

Discussion Problem

This worksheet includes two discussion problems which can be used in pairs or small groups to further pupils' understanding of the concepts taught in this lesson.

Reasoning and Problem Solving from the old Resource Pack
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Worksheet

Worksheet

This differentiated worksheet includes reasoning and problem solving questions to support the teaching of this step.

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Worksheet

Worksheet

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.

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Interactive Activity

Interactive Activity

This Year 1 Part-Whole Model Maths Challenge is designed to check pupils’ understanding of using part-whole models.

2 Homework

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Worksheet

Worksheet

This differentiated worksheet includes varied fluency and reasoning and problem solving questions to support the teaching of this step.

2 Additional Activities

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Consolidation Pack

Consolidation Pack

This resource is aimed at Year 1 Expected and has been designed to give children the opportunity to consolidate the skills they have learned in Autumn Block 2 – Addition and Subtraction.

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Learning Video Clip

Learning Video Clip

Dot the Dinosaur is out exploring the Jurassic world! She come across lots of interesting things but needs your help to add them altogether! Use the part-whole method to help her.

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Home Learning Pack

Home Learning Pack

This Autumn week 5 Maths pack contains varied fluency, reasoning and problem solving worksheets