Factors and multiples (8300 - Higher - Number)

Topic:Factors and multiples

Specification references (in recommended teaching order)

Specification content Specification notes
N4
  • Use the concepts and vocabulary of prime numbers, factors (divisors), multiples, common factors, common multiples, highest common factor, lowest common multiple, prime factorisation, including using product notation, and the unique factorisation theorem

  • prime factor decomposition including product of prime factors written in index form

N5
  • Apply systematic listing strategies and the use of the product rule for counting

  • including using lists, tables and diagrams


The subject content (above) matches that set out in the Department for Education’s Mathematics GCSE subject content and assessment objectives document.

The expectation is that:

  • All students will develop confidence and competence with the content identified by standard type
  • All students will be assessed on the content identified by the standard and the underlined type; more highly attaining students will develop confidence and competence with all of this content
  • Only the more highly attaining students will be assessed on the content identified by bold type. The highest attaining students will develop confidence and competence with the bold content.

Teaching resources

Factors and multiples - all resources for 3 year route map - zip folder
Downloadable resource in zip format. 07/09/2015
Topic overview and lesson plans
Downloadable resource in doc format. 07/09/2015

Lesson 2 Activity 1
Downloadable resource in ppt format. 07/09/2015
Lesson 3 Activity 1
Downloadable resource in doc format. 07/09/2015
Lesson 3 Activity 2
Downloadable resource in doc format. 07/09/2015
Lesson 4 Activity 1
Downloadable resource in ppt format. 07/09/2015

Lesson 1 Worksheet 1
Downloadable resource in doc format. 07/09/2015
Lesson 1 Worksheet 2
Downloadable resource in doc format. 07/09/2015
Lesson 3 Worksheet 1
Downloadable resource in doc format. 07/09/2015
Lesson 3 Worksheet 2
Downloadable resource in doc format. 07/09/2015
Lesson 3 Worksheet 3
Downloadable resource in doc format. 07/09/2015

Lesson 1 Homework sheet 1
Downloadable resource in doc format. 07/09/2015
Lesson 1 Homework sheet 2
Downloadable resource in doc format. 07/09/2015
Lesson 2 Homework sheet 1
Downloadable resource in doc format. 07/09/2015
Lesson 2 Homework sheet 2
Downloadable resource in doc format. 07/09/2015
Lesson 3 Homework sheet 1
Downloadable resource in doc format. 07/09/2015
Lesson 4 Homework sheet 1
Downloadable resource in doc format. 07/09/2015

Diagnostic Questions - Factors and Multiples
AQA have teamed up with Craig Barton's Diagnostic Questions website to share free diagnostic question assessment for our new 2017 GCSE Maths specification.24/02/2016

Co-primes: Teacher Notes
Teacher notes which guide an investigation into co-prime numbers.19/05/2015

Can you find a perfect number?
An introduction to the idea of a 'perfect' number, from which students must investigate to find other perfect numbers and consider other properties involving factors.19/05/2015
HCF and LCM
Activities involving HCF and LCM with demanding 2 or 3 digit numbers.19/05/2015
HCF, LCM, Product of Prime Factors tarsia
A tarsia card sorting activity which forms a hexagon. Questions involve prime factor decomposition, HCF and LCM. You will need to register for a TES account to access this resource, this is free of charge.19/05/2015
Prime Factorization
Prime numbers interactive worksheet. An introduction to prime factorization, followed by six questions assessing understanding.29/08/2014

Weekly Problem 16 - 2006
A student investigation which requires consideration of multiples.19/05/2015

Prime Factorization
Prime numbers interactive worksheet. An introduction to prime factorization, followed by six questions assessing understanding.29/08/2014

Venn Multiples
An interactive website in which students must place numbers in the correct area of the Venn diagram, depending on what they are multiples of. The activity can be varied by changing the required multiples.19/05/2015

Eratosthenes' Sieve
Online demonstration which uses the principles of Eratosthenes' Sieve to identify the prime numbers between 1 and 100.19/05/2015

Collecting Data - Organising Data - Repeating Numbers - Problem Sheet
Downloadable resource in doc format. 01/02/2010
Ratio and Proportion - Golf - Golf Scores - Problem Sheet and Answers
Downloadable resource in doc format. 07/05/2010
Ratio and Proportion - Golf - Holes and Distances - Supplementary Resource
Downloadable resource in xls format. 08/05/2010
Ratio and Proportion - Golf - Par Cards - Supplementary Resource
Downloadable resource in xls format. 09/05/2010
Ratio and Proportion - Maths and Golf - Lesson Plan
Downloadable resource in doc format. 10/05/2010

Topic Tests

8300 GCSE Higher Product of Primes (HCF and LCM) Mark Scheme
Downloadable resource in pdf format. 09/09/2022
8300 GCSE Higher Product of Primes (HCF and LCM) Topic Test
Downloadable resource in pdf format. 09/09/2022

Create, edit, and share assessments quickly and easily with Exampro Mathematics