Unit 10 Contents

8. Ana solved this problem using a number line.

1. What answer does Ana's number line show?
2. Explain how Ana solved the problem.
3. Use a number line to solve the problem a different way.

Nicholas solved the problem in Question 8 by thinking about money.

Solve the problems in Questions 9–13 by using number lines, hundredths charts, thinking about money, or using mental math.

9. Shannon has $0.85 in her pocket. A bottle of juice from the vending machine costs $1.50. How much more money does Shannon need to buy juice?
1. 0.2 + 1.9 = ?
2. 1.8 + 1.2 = ?
3. 1.45 + 0.88 = ?
4. 2.3 − 1.6 + 0.7 = ?
11. Jackie's dad needs about 3 pounds of ground beef for a recipe. He bought these two packages of ground beef at the store.
    
    Did he buy enough ground beef? Show or tell why you think so.