Highest Common Factor and Lowest Common Multiple

              Highest Common Factor and Lowest Common Multiple

              Students learn how to use prime factors to work out the HCF and LCM.

              As learning progresses they work out the HCF and LCM for real life problems.

              Differentiated Learning Objectives
              • All students should be able to calculate the LCM and HCF of a pair of integers using Prime Factors.
              • Most students should be able to calculate the LCM and HCF of any number of integers using Prime Factors.
              • Some students should be able to solve real life problems through the use of calculating the HCF or LCM.
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