Unit 12 Contents

Compute using the partial quotients method. Remember to check whether your answer seems reasonable.

4. 
5. 
6. 819 ÷ 7
7. 128 ÷ 6
8. 
9. 249 ÷ 5

1. Pick one of Questions 4–9 and check the answer using multiplication.
2. Pick one of Questions 4–9 and show how to use estimation to show that your answer is reasonable.
3. Pick one of Questions 4–9 and write a story problem to match.
11. For a fund-raiser, the members of the Wilderness Club baked 789 chocolate chip cookies.
1. If they sell them in packages of 5, how many packages can they make?
2. The Wilderness Club sold 102 packages. How many cookies were left?
12. There are about 1700 grass plants in 2 square feet of a healthy lawn. About how many plants are in 1 square foot?
13. There are 8 single-family homes on Elm Street in Mathville. The families who live there spend a total of about $1040 a year on grass care. If all the families spend about the same amount, about how much does each family spend?
14. In 2003, the same 8 families on Elm Street spent a total of about $536 on flower gardens. If all the families each spent about the same amount, about how much did each family spend that year?
15. Five grass plants will produce about 1875 miles of roots in their lifetimes. About how many miles of roots will one plant produce?
16. A store sells tulip bulbs. The bulbs come in packages of 8. If they sold 216 bulbs, how many packages did they sell?

17. 422 ÷ 8
18. 
19. 
20. 
21. 1708 ÷ 6
22. 588 ÷ 7

23. Show or tell how you know your answer to Question 21 is reasonable.

Play the Division Digits Game with a family member or classmate. Directions and cards are in the Student Activity Book.