Y1 Maths

Finding a Part Lesson

This Year 1 Finding a Part lesson covers the prior learning of adding together two parts to find a total, before moving onto the main skill of finding a part by counting on.

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: (1C2b) Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs

Mathematics Year 1: (1C2a) Add and subtract one-digit and two-digit numbers to 20, including zero

Mathematics Year 1: (1C4) Solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7=_________ 9

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1 Prior Learning

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Worksheet

Worksheet

The worksheet recaps prior learning of adding together two parts to find a total, before moving onto the main skill of finding a part by counting on.

2 Teaching

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Lesson Slides

Lesson Slides

These lesson slides guides pupils through the prior learning of adding together two parts to find a total, before moving onto the main skill of finding a part. 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 finding a part.

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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 finding a part.

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Interactive Animation Activity

This Year 1 Finding a Part Interactive Animation supports pupils' understanding of finding the parts and the whole.

4 Extension

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Extension

Extension

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