This lesson plan takes the ideas of HCF and LCM (highest common factor and lowest common multiple), and deals with them together. In maths, we often teach these concepts separately, but looking at ...

Calculating the HCF and LCM of 2 (or more) numbers by using Prime Decomposition and Venn Diagrams. Includes some worded questions and follows on from the other Prime Decomposition lesson I have on the ...