Multiples are numbers you get when you multiply another number by whole numbers. In 11 Plus Maths, learning multiples builds the foundation for factors and times tables.
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A good strategy is as follows: find a likely multiple and check to see if one of the given numbers DOESN'T divide it. If you can't find one, then that's your multiple. If you do find one, then that's NOT your multiple, e.g. 4 doesn't divide 14
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42 isn't correct because 4 and 8 don't divide into whole numbers. 36 isn't correct because 8 doesn't divide. 40 isn't correct because 6 doesn't divide
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35 isn't divisible by 3, 15 isn't divisible by 7 and 21 isn't divisible by 5
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36 isn't divisible by 8 or 16, 72 isn't divisible by 16 and 64 isn't divisible by 12
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All the incorrect answers are not divisible by 15
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I hope you didn't choose 8 as your answer! Obviously 8 isn't divisible by 7 and neither is 24. 14 isn't divisible by 4
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105 isn't divisible by 10 or 25, 125 isn't divisible by 10 or 15 and 50 isn't divisible by 15
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28 is only divisible by 4, 26 isn't divisible by any of them and 32 isn't divisible by 3 or 6
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42 is only divisible by 6, 60 isn't divisible by 8 and neither is 36
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48 isn't divisible by 32 and neither is 80. 52 is only divisible by 4
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