Lesson 19 In-class exercise

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:______

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 _______