4. B and C start from the same place and travel in opposite directions. B travels 5 miles an hour, and C 4 miles an hour. How far apart are they in 15 hours? 5. A clock strikes 156 times a day. How often will it strike in a year of 365 days? 6. A barrel of flour weighs 196 pounds. What is the weight of a barrel? 7. Sound travels 1120 feet a second. How far off is a cannon, the report of which is heard in 13 seconds? 8. How many times will 500 oranges fill a fruit dish that holds 1 dozen oranges, and how many will be left over? 9. If you purchase a horse for $100, and pay $40 in cash, how long must you work at the rate of $12 a week to pay the balance? 10. If your pulse beats 4320 times in an hour, how many times will it beat in a day? 11. In what number is 225 contained 25 times? 12. Gold was discovered in California in 1848. How many years ago was that? 13. A farmer sold 60 bushels of apples at $2 a bushel. How many pigs can he buy at $4 each with the money? 14. One farmer gets $200 for his wood, and his neighbor gets $248. The price is $8 a cord. How many cords do they both sell? 15. A boy takes 9 subscriptions to the "Youth's Companion" at $1.75 each. How much money does he receive for them all? 16. A building is 240 feet long and 200 feet wide. How many yards is it around the building? 17. A man owed $5000. He made three payments, one of $1375, another of $964, and another of $2484. How much did he still owe? 18. A car line is 12 miles long. If a car makes 6 round trips daily, how many miles will it run during the month of July? 19. If 8 cords of wood are worth $32, what are 19 cords worth? 20. America was discovered in 1492; the Pilgrims landed at Plymouth in 1620. How many years from the discovery of America to the landing of the Pilgrims? 21. A man paid $175 for a horse, which was 5 times as much as he paid for a cow. How much did he pay for both? 22. The multiplicand was 3962; the multiplier was 186. What was the product? 23. If the divisor is 55, and the dividend is 9625, what is the quotient? 24. feet. The floor of a room 16 ft. long contains 192 square 25. How many marble slabs each 10 in. by 2 ft. will cover a floor 10 ft. square? 26. A baker has 200 loaves of bread. He sells of them at 6¢ each, and the remainder at 5¢ each. How much does he get for his bread? 27. If 3 oranges cost 104, how many times 10¢ must be paid for a dozen oranges? 28. A farmer clipped 1000 lb. of wool from his sheep. If each fleece weighed 5 lb., how many sheep had he? 29. A sugar plantation produces 2000 barrels of sugar, averaging 250 lb. in weight. At 2¢ a pound, what is the value of the sugar? 30. A man earns $2.50 a day and pays 50¢ a day for board. If he does not work on Sundays, how much will he have left this month after paying his board? U. S. Money and Decimals. Ten dimes make a dollar. 298. What part of a dollar is 1 dime? 2 dimes? 3 dimes? 5 dimes? 10 dimes? How many tenths of a dollar make a dollar? How many tenths make 1 one? A dime is 1 tenth of a dollar. We write dimes (tenths of dollars) in the first place to the right of dollars. Where with reference to ones' place should we write tenths of ones? What do we place between the figures for dollars and the figures for dimes? Should we place the decimal point after ones and before tenths? Tenths occupy the first place to the right of the decimal point. The number five and three-tenths is written 5.3. The number .3, or 0.3, is read three tenths. 299. What part of a dollar is 1 cent? 2¢? How many hundredths of a dollar are 3¢? 5¢? 10¢? 25¢? 50¢? 14 8.01 of a dollar-.01 of a dollar. 2¢=$.02=13 of a dollar=.02 of a dollar. 54 8.055 of a dollar-.05 of a dollar. 104 8.10=10% of a dollar=.10 (or .1) of a dollar. 204=$.20=10% of a doliar=.20 (or .2) of a dollar. 25¢=$.25=15% of a dollar. 25 of a dollar. Which is easier to write, of a dollar or .01 of a dollar? There are two ways of writing hundredths and tenths. To and .01 are both read one-hundredth. 10 and .05 are both read five-hundredths. 25 and .5 are both read five-tenths. and .2 are both read two-tenths. and .25 are both read twenty-five-hundredths. 300. How many tenths of a dollar are 10 cents (1 dime)? How many hundredths of a dollar are 10 cents? hundreds tens ones 1 hundredths tenths 1 1 1 10 hundredths make 1 tenth. 10 tenths make 1 one. What is written between tens and tenths? The places to the right of ones are called decimal places. Compare the names of the decimal places with those of the corresponding places on the left of the decimal point. How many of each place make 1 of the next place to the left? Does the figure next to the decimal point express tenths or hundredths? Which figure expresses hundredths? When there are five hundredths and no tenths, what is written in tenths' place? When there are tenths and no hundredths, is it necessary to put a zero in hundredths' place? Why not? Is 1 tenth (.1) of a dollar equal to 10 hundredths of a dollar? Is 1 dime equal to 10 cents? |