1.  Mr. Allen cleaned 46 of the 51 trucks. How many are still to be cleaned? 
  

2.  A truck drove under a bridge 7 m high. There was a gap of 3 m between the top of the truck and the bridge. How many meters was the truck in height? 
  

3.  A milk van started with 10 bottles of milk. It delivered 4 bottles. How many bottles are still to be delivered? 
  

4.  Herbert has to repair 26 cars. He has repaired 4. How many more does he have to repair? 
  

5.  Mrs. Lee has 4 gallons of fuel in her car. Her fuel tank has a capacity of 6 gallons. How many gallons are needed to fill the fuel tank? 
  
