Multiply by 121; 25; 50:

33. 8 16 32 40 56 64 80 48 72 96

Multiply by 331; 16; 50:

34. 6 12 24 18 48 30 72 36 42 60

Division is the process of finding how many times one number is contained in another number, or of finding one

of the equal parts of a number.

What is the sign of division?

What does it show?

What is the dividend? Divisor? Quotient?

When 1 hat costs $3, how is the number that can be bought for $24 found?

When 8 hats cost $24, how is the cost of 1 found?

How is work in division tested:

(1) When there is no remainder? Illustrate with 54 divided by 9.

(2) When there is a remainder? Illustrate with 54 divided by 5.

Divide the numbers in the drill table on page 5 by 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12.

DRILL IN DIVISION

Written

Divide 1645 by 47 and test your work.

35

47)1645

This division may be tested in two ways: (1) By finding the product of 47 and 35. The result equals the dividend.

(2) By dividing 1645 by 35. The result is the divisor. What is the dividend when the quotient is 37 and the divisor 79?

I. Divide (short division) each dividend in the examples below by 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12.

21. How many times is 309 contained in 13,596?

22. By what must 2576 be divided to get a quotient of

46?

23. In dividing a number by 9, the quotient is 100 and the remainder 7. What is the number?

24. In dividing 1247 by a certain number, the quotient is 37 and the remainder 26. What is the divisor?

25. What is the dividend when divisor and quotient are both 48 ?

26. What is one of the 27 equal parts of 1161?

28. Six hundred eighty-four is made up of three factors. Two of the factors are 9 and 19. What is the third?

SHORT METHODS IN DIVISION

Oral

1. How many times is 50 cents contained in 1 dollar? 2. 25 cents is contained how many times in 1 dollar? In 50 cents? In 75 cents?

3. 12 cents is contained how many times in 1 dollar? In 50 cents? In 25 cents? In 75 cents?

4. 33 cents is contained how many times in 1 dollar? 5. How many times is 163 cents contained in 1 dollar? In 50 cents?

1. I have $12. How many knives can I buy at 50 each? 331? 121 ? 25 ? 163 ?

2. How many handkerchiefs at 25 cents each can be bought for $2? $3.50? $0.75? $14? $6?

3. How many yards of crash at 12 cents a yard does a bill of $3 represent? A bill of $1.25? $5? $3.75? $2.50?

4. When eggs are 25 a dozen, a case costs $7.50. How many dozen in a case?

5. A shipment of paper costs $12. The rate is 121 cents a pound. What is the weight?

6. At 163 cents an hour, a boy working on a farm earned $7. How many hours did he work?

7. At 33 cents an hour, his father earned $15. How many hours did he work?

16. How many tons of hay in a car of 38,000 pounds?

1. At $15 a ton, a bill for hay was $405. How many

tons were bought?

2. Mr. Flagg sold 19 acres of land for $1482. How much did he receive an acre?

3. Twenty-eight bushels of oats were bought for $15.68. What was the rate per bushel?

4. At $0.35 each, how many books can be bought for $9.45?

.35)9.45 27 35)945 ·

When the divisor contains cents, change both dividend and divisor to cents.

5. A fruit dealer paid $77 for oranges at $2.75 a box. How many boxes did he buy?

6. A florist purchased lily bulbs at $0.25 each. His bill was $12.75. How many did he buy?

7. How many sleds at $1.35 each does a bill of $64.80 represent?

8. A sale of shovels at 85 cents each yielded $44.20. How many were sold?

9. A hardware dealer's bill for saws was $104.40. If each saw cost 87 cents, how many were bought?

10. How many peach trees at $2.25 each can be bought for $29.25?