Unit 6 Contents

Check-In: Questions 6–11

6. Solve the following problems using a paper-and-pencil method. Use the Addition Strategies Menu in the Student Guide Reference section. Check to see if your answer is reasonable.
1. 
2. 
3. 
4. 
5. 
6. 



7. Show how Question 6B can be solved using a mental math strategy.
8. Explain an estimate strategy that shows your answer to Question 6E is reasonable.
9. Choose one problem from Question 6 to solve:
1. using expanded form.
2. using the all-partials method.
3. using the compact method.
4. Which method do you like best? Why?
10. Eric and Tom made 1432 Chocos on Wednesday, 938 Chocos on Thursday, and 2007 Chocos on Friday. Put these numbers in order from smallest to largest.
11. How many Chocos did they make altogether on Wednesday and Thursday?

Play the Digits Game and then complete the Problem Solving pages for more addition practice. Both items are in the Student Activity Book.