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Multiples. Stg E7 – Number Knowledge Name: _______________________ Multiples are pretty easy to understand – if you know your times tables. (Here we go again). All they are is the times-tables that belong to the number your looking at. For example the multiples of 2 are: 2, 4 ,6 ,8 ,10 ,12 ,14 ,16 ,18 ,20, 22, 24, 26 … and so on into infinity (∞ ) and beyond! (Buzz Lightyear) Basically it’s just skip-counting for big kids. So without any further ado, have a go at listing the multiples for these lonely little numbers: a. b. c. d. e. 5 : ______________________________________________________________________ 6 : ______________________________________________________________________ 10 : ______________________________________________________________________ 4 : ______________________________________________________________________ 8 : ______________________________________________________________________ Pretty easy right? Where it gets interesting though is when someone asks you to find the ‘lowest common multiple’. This simply means the first place that the times tables of two numbers match. Take 3 and 7 3 ; 3, 6, 9, 12, 15,18, 21, 24, 27, 30, 33, 36 … 7; 7, 14, 21, 28, 35, 42, … As you can see, the skips meet at 21. That’s all there is to it really. OK, see if you can find and circle the lowest common multiple for these numbers: 3 ; 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36 … 8; 8 16 24 32 40 7; 10 ; 4; 6; 6; 11 ; 4; 9; 3; 12 ; 2; 8; 7; 8; Q. Who's the king of the pencil case? A. The ruler. Dave Moran 2015