﻿ Year 5 Prime Numbers Lesson - Classroom Secrets | Classroom Secrets

Y5 Maths

# Prime Numbers Lesson

This Year 5 Prime Numbers lesson covers the prior learning of finding common factors, before moving onto the main skill of recalling prime numbers up to 19, and recognising prime numbers up to 100.

The lesson starts with a prior learning worksheet to check pupils’ understanding. 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 5: (5C5b) Know and use the vocabulary of prime numbers, prime factors and composite (non-prime) numbers

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### 2 Teaching Support

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#### Lesson Slides

These lesson slides guides pupils through the prior learning of finding common factors, before moving onto the main skill of prime numbers. There are a number of questions to check pupils' understanding throughout.

PowerPoint from the old Resource Pack

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#### 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

Jade uses arrays to demonstrate the difference between prime and composite numbers in this Prime Numbers Video Tutorial.

### 1 Prior Learning

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#### Worksheet

This Year 5 Prime Numbers lesson covers the prior learning of finding common factors, before moving onto the main skill of recalling prime numbers up to 19, and recognising prime numbers up to 100.

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#### Interactive Activity

This Year 5 Common Factors Game is designed to check pupils’ understanding of common factors.

### 2 Practical Activities

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#### Supporting Activity

This prime numbers 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

Varied Fluency from the old Resource Pack

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#### Worksheet

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

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#### Flash Cards activity

This Year 5 Prime Numbers Flash Cards Game checks pupils’ understanding of prime numbers up to 100.

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#### Interactive Activity

This Year 5 Prime Numbers Game checks and consolidates pupils’ ability to identify prime numbers and prime factors.

### 2 Reasoning & Problem Solving

Reasoning and Problem Solving from the old Resource Pack

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#### Worksheet

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

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#### Mixed Practice

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

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#### 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.

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#### Interactive Activity

This Year 5 Prime Numbers Maths Challenge checks pupils’ understanding of prime numbers while developing their problem solving ability.

### 2 Homework

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#### Worksheet

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

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#### Home Learning Pack

This Autumn week 9 Maths pack contains varied fluency, reasoning and problem solving worksheets.

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#### Consolidation Pack

This resource is aimed at Year 5 Expected and has been designed to give children the opportunity to consolidate the skills they have learned in Autumn Block 4 – Number: Multiplication and Division.

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#### Learning Video Clip

Dec is competing in the Paralympics. Use your knowledge of prime numbers to help Dec and his competitors with their times and help the organisers with ticket sales and points.