Factuples

A Maths Starter of The Day

How many numbers below are factors of other numbers in the table?

 20   43   48   9 
 49   24   45   29 
 7   14   44   45 

How many numbers above are multiples of other numbers in the table?

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Keywords: Starter | Factors | Number Patterns

  • Mrs.Smith, Staffordshire
  • Monday, July 13, 2009
  • "Every number is a factor of itself and a multiple of itself, so your totals are incorrect!"

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Answers

Number of Factors = 5

20 43 48 9
49 24 45 29
7 14 44 45

9 is a factor of 45
24 is a factor of 48
45 is a factor of 45
7 is a factor of 49
45 is a factor of 45

Number of Multiples = 5

20 43 48 9
49 24 45 29
7 14 44 45

48 is a multiple of 24
49 is a multiple of 7
45 is a multiple of 9
14 is a multiple of 7
45 is a multiple of 9

 

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