1.  Invitations were sent to 33 relatives for a family gettogether. Only 25 relatives came. How many relatives did not come? 
  

2.  Gary weighs 24 kg. His mother is 54 kg. How much more is his mother's weight (in kg)? 
  

3.  Mr. Anderson will be 41 next year. His son is 28 years younger than him. How many years old is his son at present? 
  

4.  A family party has 27 adults, 11 boys, and 5 girls. How many more adults are there at the party than children? 
  

5.  Arthur is 11 years old. His aunt is 36. How many years older than him is his aunt? 
  
