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Published: 25/03/2019
5 pages

Prime Factors, HCF, LCM, squares and square roots

Aimed mainly at KS3, this worksheet gives plenty of deliberate practice in finding and using prime factors, highest common factors and lowest common multiples. It introduces ways to find squares and square roots without a calculator.


See other resources: Number | Number properties – factor pairs | Number properties – HCF / LCM | Number properties – mixed | Number properties – prime factors | Number properties – primes

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carol kelly
carol kelly
Thanks for this resource, really useful
Posted on 22nd November 2020
Camilla Clarkson
Camilla Clarkson
Thank you for your feedback. Glad you're adapting it for your own requirements.
Posted on 11th June 2019
Anne Cheese
Anne Cheese
This is a really excellent resource for revision in year 8 and 9 - I change example five and six to use indices.
Posted on 7th June 2019

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