Lesson deck
NumberFoundation
HCF and LCM:The ladder method
The HCF first: divide both numbers by a prime that is a factor of both until none is, then multiply down the side. Then the LCM: multiply round the L.
A free key stage 3 and GCSE Foundation number lesson on HCF and LCM: the ladder method, spec code N4. It has a lesson deck to teach from with a visualiser, worksheets with answers, a puzzle, an exit ticket, end of unit tests and a method video.
Foundation
HCF and LCM:The ladder method
Foundation
HCF and LCM:The ladder method
Exit ticket
HCF and LCM:The ladder method
Puzzle
Code breaker:HCF and LCM
Test
Number test:Foundation A
Test
Number test:Foundation B
Method video
Prime factors, HCF and LCM
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