Εικόνες σελίδας
PDF

SECTION III.

A: 1. How many apples, at one cent apiece, can you buy for four cents 2 2. How many pears, at two cents apiece, can you buy for four cents 2 3. How many peaches, at three cents apiece, can you buy for six cents? 4. How many apples, at two cents apiece, can you buy for six cents? How many for eight cents 2 5. How many pears, at three cents apiece, can you buy for nine cents? How many for twelve cents P 6. If you have eight apples to give to four boys, how many can you give to each 2 7. If a man travel six miles in two hours, how many miles does he travel in an hour 8. If a man travel three miles in an houl, how many hours will it take him to travel nine miles 2 9. How many yards of cloth, at three dollars a yard, can you buy for fifteen dollars 2 10. If you had sixteen cents, how many takes could you buy at four cents apiece 2 11. If you had ten dollars, how much cloth could you buy at five dollars a yard 2 * 12. If you had twelve apples to give to six of your companions, how many would you give them apiece? 13. If a man can travel six miles in an hour, how long will it take him to travel eighteen miles 2 14. If a man can travel five miles in an hour, how long will it take him to travel twenty miles 2 15. In a certain orchard there are twenty-four trees standing in rows, and there are three trees in each row; how many rows are there 2

16. In an orchard there are twenty-one trees, and there are seven trees in each row; how many rows are there 2 17. A man paid twenty-seven dollars for some ..sheep, and he gave nine dollars apiece for them; how many sheep did he buy? 18. A man paid twenty-eight dollars for seven barrels of cider; how much did he give a barrel 19. At five cents apiece, how many oranges can you buy for thirty cents 2 20. Twenty-five are how many times five 2 21. Thirty-two are how many times four? How tnany times eight 2 22. Thirty-five are how many times seven How many times five 2 23. Thirty-six are how many times six? How many times nine How many times four 2

B. Remark. When any thing, or any number, is divided into two equal parts, one of the parts is called the half of the thing or the number. 1. If an apple is worth two cents, what is one half of it worth 2 2. What is one half of two cents 2 Ans. One cent. Q. Why? - A. Because, if you divide two cents into two equal parts, one of the parts is one cent. 3. If you can buy a cake for two cents, how much can you buy for one cent 2 4. One is what part of two Ans. One is the half part of two. 5. Two times one are how many times two 2 6. If you can buy one pear for two cents, how many can you buy for three cents? 7. Three are how many times two Ans. Once two and one half of two.

* 8. Four are how many times two . 9. If two shillings will buy one yard of cotton cloth, how many yards will five shillings buy? ... 10. Five are how many times two 1 Ans. Two times two and half of two. 11. Six are how many times two 12. If two dollars will buy a yard of cloth, how many yards will seven dollars buy 13. How many halves make a whole one 1 14. Eight are how many times two 15. Nine are how many times two 16. Ten are how many times two 1 Remark. When anything, or any number, is dividedinto three equal parts, one of those parts is called the third part of the thing or number. When it is divided into four equal parts, one part is called the fourth part, and so on. 17. If a yard of cloth be worth three dollars, and it be cut into three equal pieces, what will one of the pieces be worth 1 that is, what will one third of a yard be worth 1 18. What is a third of three ? 19. Suppose the yard of cloth to be cut as before, what will two pieces of it cost? that is, what will two thirds of a yard cost? 20. What is two thirds of three ? 21. If three shillings will buy one bushel of corn, what part of a bushel will one shilling buy? What * part of a bushel will two shillings buy? 22. One is what part of three ? Ans. One is the third part of three ; or one third of three. 23. Two is what part of three ? Ans. Two is two times the third part of three, Or two thirds of three.*

"The instructer may use either of these expressions; the formé, will be most easily understood by the pupil; it would be well, there

24. Three times one are how many times three? 25. If you can buy a barrel of cider for three dol

lars, how much can you buy for four dollars 1 How I

much for five dollars 1 26. How many thirds make a whole one? 27. Five are how many times three ? Ans. Once three, and two thirds of three. 28. Six are how many times three ? 29. If you can buy a barrel of fish for three dok lars, how much can you buy for seven dollars? How much for eight dollars? 30. What do you understand, by a third, and by two thirds of any thing 1 For the answer, see remark after example 16th. 31. Eight are how many times three ? 82. Nine are how many times three ? 33. Ten are how many times three ? 34. Eleven are how many times three ? 35. Twelve are how many times onree ? 36. If a yard of cloth be worth four dollars, and st be cut into four equal parts, what will one of the parts be worth 1 that is, what is one fourth of it worth's What are two fourths of it worth 7 What are three fourths of it worth 1 37. If you can buy a barrel of cider for four dol

lars, how much can you buy for one dollar? How much for two dollars 7 How much for three dollars?

38. What part of four is one 1 Ans. One is the fourth part of four. 39. What part of four is two 1 Ans. Two fourths of four. 40. What part of four is three? Ans. Three fourths of four. 41. How many fourths make a whole one 7 42. If you can buy a bushel of corn for four shil

fore, for the instructer to use the former frequently, though the latters used for the most part in this treatise.

o

#

sings, how much can you buy for five shillings? How much for six shillings How much for seven shillings 1 43. Five are how many times four ! Ans. Once four and one fourth of four 44. Six are how many times four ! Ans. Once four, and two fourths of four. .45. Seven are how many times four ! Ans. Once four, and three fourths of four, 46. Eight are how many times four ! 47. If four bushels of corn will buy one yard of cloth, how many yards will nine bushels buy? How many yards will ten bushels buy? How many yards will eleven bushels buy 48. What do you understand by one fourth, two fourths, or three fourths of any thing 1 See remark after example 16th. 49. Ten are how many times four ! 50. Eleven are how many times four ! 51. Twelve are how many times four ! 52. Thirteen are how many times four? 53. Fourteen are how many times four ! 54. Fifteen are how many times four ! 55. Sixteen are how many times four ! 56. If a barrel of flour be worth five dollars, and it be divided equally among five men, what will one man’s share be worth 1 that is, what is one fifth of a barrel worth 1 What are two fifths of it worth 1 What are three fifths of it worth 1 What are four fifths of it worth 1 57. If five dollars will buy one box of butter, what part of a box will one dollar buy? What part will two dollars buy? What part will three dollars buy 1 What part will four dollars buy? 58. What part of five is one 7 Ans. One is the fifth part of five. 59. Two is what part of five?

[graphic]
« ΠροηγούμενηΣυνέχεια »