1.  Cherylbought two dolls for $ 50 . She had $20 in her purse. How many dollars are left in her purse? 
  

2.  Debbie has two dolls. The first doll is 47 cm tall and the second is 10 cm. What is the difference in their heights (in cm)? 
  

3.  Billwent to play in the garden with 120 marbles. He returned home with 67 marbles. How many marbles did he lose? 
  

4.  Peter arranges 64 blocks in a tall stack. Accidentally, he drops27 blocks. How many blocks are still there in the stack? 
  

5.  Each day 793 vans are made in a toy factory. Of these, 19 are defective. How many toy vehicles are not defective? 
  
