1.  Quanti2letter combinations are possible from the first five letters of the alphabet?

 2.  *Questa è una scheda preparata. Utilizza il link nella parte superiore della pagina per ottenere una pagina stampabile. 

3.  Dylan has six different kinds of cars to use on his model railroad. In how many different orders can he arrange the cars to be pulled by the engine?

 4.  Mr. Snorp is sending teams of math superstars from his school to a mathematics contest in Bigtown. He has twelve students to choose from and the teams must consist of three people. How many ways are there for him to choose different three person teams from his twelve candidates?


5.  In your new ant collection (containing no endangered species of course) you have six ants. In deciding a way to arrange them on the display card, you wonder how many different ways there are to arrange six different ants all in a row. How many are there?

 6.  If you have four books, how many different ways are there to stack these four books on a table?

