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By the end of this unit, students will be able to:
understand the definitions and significance of HCF and LCM;
calculate the HCF and LCM of given numbers;
apply their understanding to solve problems involving HCF and LCM.
National Curriculum Objectives
Key Stage 3: Number
use the concepts and vocabulary of prime numbers, factors (or divisors), multiples, common factors, common multiples, highest common factor, lowest common multiple, prime factorisation, including using product notation and the unique factorisation property
Target Ages
Age: 15-16
England & Wales: Year 11
Scotland: Senior 4
Rep. Ireland: Transition Year
Australia: Grade 10
USA: Grade 10
What’s Included
Three-part Lesson
Self-marking Activities
Fluency, Reasoning and Problem-solving Questions.
Engaging Drag and Drop Activities
Interactive Self-marking Worksheet
Printable Worksheets to Consolidate Learning
By the end of this unit, students will be able to:
understand the definitions and significance of HCF and LCM;
calculate the HCF and LCM of given numbers;
apply their understanding to solve problems involving HCF and LCM.
Key Stage 3: Number
use the concepts and vocabulary of prime numbers, factors (or divisors), multiples, common factors, common multiples, highest common factor, lowest common multiple, prime factorisation, including using product notation and the unique factorisation property
Age: 15-16
England & Wales: Year 11
Scotland: Senior 4
Rep. Ireland: Transition Year
Australia: Grade 10
USA: Grade 10
Three-part Lesson
Self-marking Activities
Fluency, Reasoning and Problem-solving Questions.
Engaging Drag and Drop Activities
Interactive Self-marking Worksheet
Printable Worksheets to Consolidate Learning
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By the end of this unit, students will be able to:
understand the definitions and significance of HCF and LCM;
calculate the HCF and LCM of given numbers;
apply their understanding to solve problems involving HCF and LCM.
Key Stage 3: Number
use the concepts and vocabulary of prime numbers, factors (or divisors), multiples, common factors, common multiples, highest common factor, lowest common multiple, prime factorisation, including using product notation and the unique factorisation property
Connected Resources
Not a Member Yet?
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Year Group
Year 10 Maths
Resource Type
📁 Digital Resource
Format
Print & Digital
Curriculum
England & Wales (KS1/KS2), adaptable internationally
Added
4 March 2026
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