1.  Debbie bought 3 dolls for $ 3. She had $ 19 in her purse. How many dollars are left in her purse? 
  

2.  Diane has two dolls. The first doll is 39 cm tall and the second is 30 cm. What is the difference in their heights (in cm)? 
  

3.  Peter had 8 marbles in his school bag. He returned home with 5 marbles. How many marbles did he lose? 
  

4.  Peter arranges 12 blocks in a tall stack. Accidentally, he drops 9 blocks. How many blocks are still there in the stack? 
  

5.  Each day 94 trucks are made in a toy factory. Of these, 5 are defective. How many toy vehicles are not defective? 
  
