Division by 9

(a) How many 9's in 27? In 63? In 54? In 81?

(b) Give the missing numbers:

(c) How many baseball teams can be made from 20 boys? How many boys will be left over? (d) Complete this division table:

1. 315 ÷ 9 8. 3726 ÷ 9 15. 6291 ÷ 9 2. 504 ÷ 9 9. 4563 ÷ 9 16. 8064 ÷ 8 3. 1089 10. 3159 9 17. 7904 8 4. 621 9 11. 7758÷9 18. 4123 ÷ 7 5. 126 9 12. 6795 ÷ 9 19. 5872 ÷ 8 6. 6489 13. 8145 ÷ 9 20. 8001 ÷ 9 7. 495 ÷ 9 14. 5877 ÷ 9 21. 4554 ÷ 6

29. 144 30. 549 31. 702 32. 801 33.

9

More examples like these are on page 387.

TIMED TEST IN DIVISION

Copy and divide 4 examples correctly in 1 minutes:

(a) How many 11's in 55? In 77? In 44? 11 is contained in 99 how many times?

(b) 121 boys were picked for football practice. How many teams of 11 each could be made from these boys? (c) Complete this table:

11 ÷ 11 = 1

22 ÷ 11

=

2

33 ÷ 11 = 3

(d) Name the quotients and remainders:

11)58 11)79 11)64 11)43 11)90 11)20 11)39

(a) How many 12's are there in 36? In 72? In 60? In 84? In 48? 108? 96? 144?

(b) How many dozen in 144 eggs? If a box of oranges contains 252 oranges, how many 'dozen are there? In 396 inches, how many feet?

(c) Name the quotients and remainders: 12)40 12)57 12)33 12)95

(d) Complete this division table:

12)70 12)83

19. In one week James got 204 eggs from his hens. How many dozen eggs was this?

20. In an orchard are 420 apple trees in 12 equal How many trees are in each row?

rows.

21. There are 216 pages in Alma's book. If Alma reads 12 pages a day, how many days will it take her to read the book?

22. There are 348 children in our school. If we have our pictures taken in groups of 12, how many pictures will there be?

23. Twelve girls sold 828 Christmas seals. If each girl sold the same number, how many seals did each girl sell?

Review of Multiplication and Division

Multiply and check by a different multiplication:

Problems Using Multiplication and Division

As an oral exercise, read each of the following problems and tell whether you should multiply or divide to find the answer. Then work the problems. After you have found the answer to each problem, read the problem again, and see whether your answer seems right.

1. If 1 tablet costs 7 cents, how much will 14 cost? 2. If 1 orange costs 7 cents, how many oranges can I buy for 14 cents?

3. If Nora reads 9 pages a day, how many days will she take to read a book of 108 pages?

4. Mary reads 8 pages a day. How many pages will she read in 16 days?

5. How many tops costing 9¢ each can I buy for 50 cents? How much money would I have left?

6. If 64 boys are lined up in 4 equal rows, how many boys are in each row?

7. In a parade, there were 48 rows of children with 8 children in each row. How many children were there?

8. Robert saved 20¢ a week for 5 weeks. How much did he save in all?

9. Hugh saved 75¢ in 5 weeks. How much did he save each week?

10. How many days will it take Sarah to earn 96 cents, if she saves 8 cents a day?

11. Don had 105 days in his summer vacation. How many weeks was that?