1.  Debbiebought two dolls for $ 87 . She had $28 in her purse. How many dollars are left in her purse? 
  

2.  Stacy has two dolls. The first doll is 60 cm tall and the second is 35 cm. What is the difference in their heights (in cm)? 
  

3.  Andywent to play in the garden with 41 marbles. He returned home with 21 marbles. How many marbles did he lose? 
  

4.  Herbert arranges 77 blocks in a tall stack. Accidentally, he drops27 blocks. How many blocks are still there in the stack? 
  

5.  Each day 764 vans are made in a toy factory. Of these, 78 are defective. How many toy vehicles are not defective? 
  
