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Number

 
    Round these numbers to 1 decimal place:  
  1) 5.39 =  
  2) 0.23 =  
  3) 0.25 =  
  4) 0.99 =  
  5) 0.955 =  
 
    Write down all the factors of these numbers:  
  6) 2 = &  
  7) 27 = , , &  
  8) 48 = , , , , , , , , &  
  9) 97 =  &  
  10) 49 = , &  
 
  11) What are the prime numbers up to and including 40:  
    , , , , , , , , , , &  
 
    Write down the highest common factors of the following numbers:  
  12) 12 and 54 =   
  13) 16 and 52 =   
  14) 24 and 132 =   
 
    Write down the lowest common multiple of the following numbers:  
  15) 4 and 9 =   
  16) 6 and 8 =   
  17) 12 and 18 =   
 
You scored
     
Created by James Dawson, John Ruskin School 2002