1.  There are 33 cakes. Each cake is cut into 10 parts. Each part is further cut into 2 pieces. How many cake pieces are there in all? 
  

2.  The Professors at the State University drank 216 cups of tea yesterday. They drank 92 cups in the morning and 83 in the afternoon. How many did they drink in the evening? 
  

3.  Herbert has a collection of 132 books. He donated 18 books last year and 27 books this year. How many books does he still have? 
  

4.  A school has 5 dining halls. Each dining hall has24 tables. If there are four children to each table, how many children stay for lunch? 
  

5.  Last month, Jack worked for 200 hours, Greg worked for 142 hours, and Edward worked 28 hours more than Jack. How many hours did they work altogether? 
  
