3. How many 9's in 3 times 21?

4. 12 times 6 are how many times 8?

5. To 9 times 7 add 10. Take 15 from the sum.

6. of 100 rods ?

7. (of 60)÷9 = ?

8. 12 times 12 men = ?

9. A half-dollar and a quarter-dollar = cents?

10. 989 = ?

11. of a yard and 12 inches = inches?

12. One can has in it 4 gallons of milk, and another has in it 6 quarts. How many pints are in both?

13. What do you mean by of anything?

14. Divide a circle into eight equal parts.

Draw heavy lines to show three of these parts.

What fractional part of the circle have you enclosed by these lines?

15. If one-half a pound of soap costs 10 cents, what will three pounds cost?

523. Written Work.

1. Write in figures: Nine thousand eleven, seventy thousand forty-four, five hundred thousand four hundred ten, fifty-four thousand twenty-one.

2. Multiply $40.25 by 96.

3. Add 75,896; 867; 5,875; 89; 7,849; and 645,978.

4. From $300,000 take $7050.75.

5. Divide 700,610 by 765.

6. How many days will 36 bushels of oats last 12 horses, if each horse eats 6 quarts a day?

7. If a barrel of flour is worth $4.50, how many barrels can be bought for $441? How much will all the flour weigh if each barrel holds 196 pounds?

8. Suppose your slate is 12 inches long, 9 inches wide, and 15 inches across diagonally. How long a string is needed to go around the outside and along the diagonal? Make a diagram to explain your work.

524. Questions from U. S. Civil Service Examinations.

1. The total cost of the Union Pacific railroad, which is 1,819 miles long, was $157,092,858. What was the average cost per mile?

2. How many pieces of second-class matter (newspapers) are there in 644 pounds, each piece weighing 8 ounces?

3. The postmaster at Norwich made requisition for the following postage stamps: 27 sheets of 1-cent, 97 sheets of 2-cent, 35 sheets of 5-cent, and 17 sheets of 10-cent stamps. What was the money value of these stamps, there being 100 stamps in each sheet?

4. If a clerk earns $3.75 each day, how much will he earn in 101 days?

5. An officer who was paid $3.50 a day, stayed in the service until he had earned $143.50. How many days had he worked?

6. A cargo of potatoes was discharged in tubs containing 250 pounds each, which were filled 1,785 times. The bushel of potatoes is estimated at 80 pounds. How many bushels were landed?

7. What is the total quantity of molasses in 4 casks containing respectively 401, 25, 27%, and 55 gallons?

8. During the fiscal year 1884, the exportation of cotton from certain American ports was as follows: New Orleans, 703,698,018 pounds; Baltimore, 84,620,654 pounds; New York, 278,358,580 pounds; Yorktown, 11,208,246 pounds; Galveston, 190,574,067 pounds. What was the total number of pounds exported from the ports named?

9. The number of yards of cotton cloth produced in the United States in 1860 was 1,148,252,406, and in 1880, 2,273,278,025. By how many yards did the production of 1880 exceed that of 1860?

10. How long will it take 50 clerks to count $1,500,000 in silver coin, one-half of which is in half-dollars and the other half in quarter-dollars, each clerk counting at the rate of fifty pieces a minute? Express the answer in hours.

11. Write in figures one million one thousand one dollars and

one cent.

12. Multiply 657,934 by 3,209.

13. The whole number of pieces of mail matter handled at 212 post-offices was 2,164,517,880. What was the average number of pieces for each office?

14. The War Department expended $1,765.25 for mucilage at $5.75 a dozen quarts. How many quarts were purchased?

15. The Post-Office Department bought 6,670 pounds of twine at 19 cents a pound; 372 pounds of sponge at 65 cents a pound, and 40 dozen of ink at $2.50 a dozen. What was the total cost of the purchase?

A gill (gi.) is equal to one-fourth of a pint. It is very rarely used.

DENOMINATE NUMBERS.

526. Slate Exercises.

1. How many hours in 7 days?

2. How many hours in 7 days 12 hours?

3. How many seconds in 2 hours?

4. A man buys 12 bu. and 3 pk. apples @ $1 per bu. What is the cost?

5. What will be the cost of 3 pk. 7 qt. chestnuts @ 8¢ per qt.?

6. How many pints are there in 5 gallons of ice cream?

7. How many half-pints are there in 10 gallons of ice cream?

8. How many 4-ounce packages can be made from 5 pounds of pepper?

9. A boy pays $1.50 for 1 gallon and 2 quarts of ice cream. What is the price per quart?

10. How many gallons of lemonade will be needed to give 96 people pt. each?

11. How many seconds in 5 hours?

12. How many minutes in 1 week?

13. Change 13 hours and 20 minutes to minutes. 14. Change 15 bu. and 4 pk. to pecks. To quarts. 15. How many ounces in 47 lb. 5 oz.?

16. How many pounds and ounces in 237 ounces? 17. Change 1,494 minutes to hours and minutes. 18. Find the number of hours in 6 weeks.

19. How many hours are there in January?

20. How many inches are there in 2 yd. 2 ft. and 2 in.? 21. How many ounces in 4 tons?

22. Reduce 5 cwt. and 80 lb. to oz.

23. How many pounds in of a ton?

24. In of a ton how many cwt.?

25. What will 400 lb. of coal cost at $5 per T.?

26. What fraction of a ton is 1,500 lb. ?

27. How many days and hours in of a week?

28. Find the number of yards in 3 pieces of cloth averaging 16 yd. 2 ft. each.

29. When coal is $5.50 per ton, how much will I have to pay for 3,000 pounds?

30. A store-keeper charged 70 cents for a roll of butter weighing 2 lb. 3 oz. What was the price per ounce? What was the price per pound?

31. Change 60 lb. to the fraction of a hundredweight.

32. How many pints are there in a barrel of oil that contains 431 gallons?