5). How many 2-person teams can you make out of the following number of people?
a). 4 people _______

b). 5 people _______

c). 6 people _______

d). 7 people _______

e). 8 people _______

f). 9 people _______

g). 10 people _______

h). 11 people _______

i). 12 people _______

6). A class has 30 students. How many ways can the teacher assign a 2-student group to clean erasers?

Answer:______

7). Write out all the 2-kid combinations of this group:

Wemekia
Ian
Eddie
David








8). Six people attend a party. They all shake hands with each other. (It takes 2 people to shake hands). How many handshakes were there?

Answer:______