# Who Wants Pizza? - Part 4

 Friday Ms. Martinez ordered pizza. The boys ate 2/5 of the pizza and the girls ate 1/2. Mike, the boy on the right, in the green shirt, said, "We ate 3/7 of the whole pizza." Do you see what Mike did? Is he right?

 Let's Explore

This green is 2/5 of the pizza.

This green is also 2/5 of the pizza.

This orange is 1/2 of the pizza.

This orange is also 1/2 of the pizza.

...and write the fraction of the pizza that the children ate together.

 25 + 12 = 410 + 510 = 9 10 = green and orange parts total number of parts

 Something for You to Do

Directions:Use colored markers and the square grid paper to draw the fractions as we have above and add the following.

 1 1/5 + 1/5.

(a. 1/5) (b. 2/5) (c. 1/2) (d. 3/4) (e. 5/6)

 2 1/2 + 1/4.

(a. 1/5) (b. 2/5) (c. 1/2) (d. 3/4) (e. 5/6)

 3 1/3 + 1/6

(a. 1/5) (b. 2/5) (c. 1/2) (d. 3/4) (e. 5/6)

 4 1/2 + 1/3

(a. 1/5) (b. 2/5) (c. 1/2) (d. 3/4) (e. 5/6)

 5 Challenge: Which of all the sums that you found above is the largest?

(a. 1/5) (b. 2/5) (c. 1/2) (d. 3/4) (e. 5/6)