Year 8 · Maths
Use concepts and vocabulary for all numbers in Year 8 Maths
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Focus on prime factors LCM and HCF. Open support for “Express Numbers as a Product of Prime Factors”, then explain the idea in your own words.
Year 8 learners practise prime factors lcm and hcf.
The activities include Express Numbers as a Product of Prime Factors, Find the LCM and HCF Using the Product of Prime Factors, Know the Rules for Dividing by 4, 6, 8 and 9, and related practice. The checked support below includes worksheet, teaching, teaching-practice, practice. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
Activities covered
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- Express Numbers as a Product of Prime Factors — support from Oak National Academy
- Find the LCM and HCF Using the Product of Prime Factors — support from Oak National Academy
- Know the Rules for Dividing by 4, 6, 8 and 9 — support from Oak National Academy
- Know the Rules of Divisibility for Numbers up to 10 — support from Oak National Academy
- Know Your Number Types — support from Khan Academy
- Practise Prime Factorisations Using Indices — support from Oak National Academy
- Practise Prime Factorisations with Indices — support from Oak National Academy
- Recognise Different Types of Numbers — support from Oak National Academy
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Practise — questions or activities to try
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Watch it explained
watch a video explanation
Oak video: Expressing An Integer As A Product Of Its Prime Factors
Best for: a clear explanation before you practise
Oak video: Hcf Or Lcm
Best for: a clear explanation before you practise
Oak video: Divisibility Tests For 4 And 8
Best for: a clear explanation before you practise
Oak video: Divisibility Tests For 2 And 3
Best for: a clear explanation before you practise
Natural, whole and integer number sets video
Best for: a clear explanation before you practise
Oak video: Checking Understanding Of Factors Multiples Squares And Cubes
Best for: a clear explanation before you practise
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Learn it properly
lessons and teaching pages
Prime numbers, factors and multiples
Best for: worked examples and step-by-step teaching
Oak lesson slides: Expressing An Integer As A Product Of Its Prime Factors
Best for: worked examples and step-by-step teaching
Understanding factors, factor pairs and multiples in Maths - BBC Bitesize
Best for: worked examples and step-by-step teaching
Oak lesson slides: Hcf Or Lcm
Best for: worked examples and step-by-step teaching
Oak lesson slides: Divisibility Tests For 4 And 8
Best for: worked examples and step-by-step teaching
Oak lesson slides: Divisibility Tests For 6 And 9
Best for: worked examples and step-by-step teaching
Divisibility Laws Display Pack
Best for: worked examples and step-by-step teaching
Oak lesson slides: Divisibility Tests For 2 And 3
Best for: worked examples and step-by-step teaching
Classifying number sets review
Best for: worked examples and step-by-step teaching
Whole Numbers and Integers
Best for: worked examples and step-by-step teaching
Oak lesson slides: Checking Understanding Of Factors Multiples Squares And Cubes
Best for: worked examples and step-by-step teaching
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Practise it
questions and activities to try
The Number System: Activity Sheet
Best for: checking understanding after learning
Factors, Multiples and Primes Review Sheet
Best for: checking understanding after learning
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Print and finish
worksheets away from the screen
Oak worksheet: Expressing An Integer As A Product Of Its Prime Factors
Best for: pencil-and-paper practice away from the screen
Oak worksheet: Hcf Or Lcm
Best for: pencil-and-paper practice away from the screen
Product of Primes, LCM and HCF Practice Questions
Best for: pencil-and-paper practice away from the screen
Oak worksheet: Divisibility Tests For 4 And 8
Best for: pencil-and-paper practice away from the screen
Oak worksheet: Divisibility Tests For 2 And 3
Best for: pencil-and-paper practice away from the screen
Natural, whole and integer number practice
Best for: pencil-and-paper practice away from the screen
Oak worksheet: Checking Understanding Of Factors Multiples Squares And Cubes
Best for: pencil-and-paper practice away from the screen
Oak worksheet: Checking Understanding Of Prime Numbers
Best for: pencil-and-paper practice away from the screen
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