Unit 8 Contents

“I can say it another way, too. I know + equals 1 whole, and then + equals another whole, and then there was more. So Daniel ate 2 oranges.”

Shannon said, “I thought of it in a different way. I knew that I was going to add again and again, so I just multiplied 5 times . 5 = . That is the same as adding one-half 5 times. I can call it five-halves or two and one-half.”

Mrs. Dewey wrote this on the board: + + + + = 5 . Is this a true number sentence? Why or why not?

Work with a partner to solve the following problems. You will need to use two sets of fraction strips. Write a number sentence or sentences for each problem.

12. Irma and her sister collect shells. Irma has 1 jars full of shells, and her sister has jar full. When they put their collections together, how many jars of shells do they have? How much more do they need to fill 2 whole jars?
13. Michael served 4 pizzas at his birthday party. The pizzas were cut into thirds. Six girls each ate of a pizza and three boys each ate of a pizza. Which group ate more pizza? Explain your thinking.
14. Maya practices shooting free throws for hour a day. If she practices Monday, Tuesday, and Thursday, how long has she practiced?
1. Solve using Luis's strategy.
2. Solve using Shannon's strategy.
15. Maya said that + = .  Does her answer make sense? Why or why not? If the sentence is false, make it true.
16. The students at Bessie Coleman School are having a Read-A-Thon. 4 students in Mrs. Dewey's class each read hour and 3 students in another fourth-grade class each read hour. When their hours are combined, how long have the students read?
1. Solve using Luis's strategy.
2. Solve using Shannon's strategy.