HCF & LCM – Prime Factorisation – Card Match

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Presentation transcript:

HCF & LCM – Prime Factorisation – Card Match In this activity students work individually or in groups to match questions and answers. Instead of cutting out cards, students can letter questions and answers that go together.

Printing To print handouts from slides - Select the slide from the left. Then click: File > Print > ‘Print Current Slide’ To print multiple slides - Click on a section title to highlight all those slides, or press ‘Ctrl’ at the same time as selecting slides to highlight more than one. Then click: File > Print > ‘Print Selection’ To print double-sided handouts - Highlight both slides before using ‘Print Selection’. Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

24 & 16 LCM = 45 HCF = 4 9 & 15 LCM = 72 HCF = 8 24 & 56 LCM = 112 21 & 14 LCM = 75 28 & 16 LCM = 108 HCF = 12 25 & 15 LCM = 48 HCF = 18 40 & 24 LCM = 160 HCF = 3 24 & 36 LCM = 42 HCF = 5 32 & 40 LCM = 168 54 & 36 LCM = 120 HCF = 7

Half Answers 24 & 16 LCM = 48 9 & 15 LCM = 45 24 & 56 LCM = 168 21 & 14 LCM = 42 28 & 16 LCM = 112 25 & 15 HCF = 5 40 & 24 HCF = 8 24 & 36 HCF = 12 32 & 40 54 & 36 HCF = 18 Half Answers

Answers 24 & 16 LCM = 48 HCF = 8 9 & 15 LCM = 45 HCF = 3 24 & 56 21 & 14 LCM = 42 HCF = 7 28 & 16 LCM = 112 HCF = 4 25 & 15 LCM = 75 HCF = 5 40 & 24 LCM = 120 24 & 36 LCM = 72 HCF = 12 32 & 40 LCM = 160 54 & 36 LCM = 108 HCF = 18 Answers

24 & 16 LCM = 45 HCF = 4 9 & 15 LCM = 72 HCF = 8 24 & 56 LCM = 112 21 & 14 LCM = 75 28 & 16 LCM = 108 HCF = 12 25 & 15 LCM = 48 HCF = 18 40 & 24 LCM = 160 HCF = 3 24 & 36 LCM = 42 HCF = 5 32 & 40 LCM = 168 54 & 36 LCM = 120 HCF = 7 24 & 16 LCM = 45 HCF = 4 9 & 15 LCM = 72 HCF = 8 24 & 56 LCM = 112 21 & 14 LCM = 75 28 & 16 LCM = 108 HCF = 12 25 & 15 LCM = 48 HCF = 18 40 & 24 LCM = 160 HCF = 3 24 & 36 LCM = 42 HCF = 5 32 & 40 LCM = 168 54 & 36 LCM = 120 HCF = 7

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk