Εικόνες σελίδας
PDF
Ηλεκτρ. έκδοση

19. 4 vinths of 36 is 8 tenths of how many times 20. 3 fourths of 40 is 5 seventh's of how muy imes 8.24

21. 6 ninths of 45 is 3 fifths of how many times y?

22. 5 sixths of 48 is 10 sevenths of how many Ames 3 ? 23. 4 sevenths of 63 is 6 fifths of how

many times 8?

24. 5 ninths of 72 is 4 sevenths of how many times 9?

B. 1. 4. fifths of is is 8 tenths of how man thirds of 21 ?

2. 4 thirds of 18 is 8 ninths of how many sevenths of 35 ?

3. 6 sevenths of 21 is 2 thirds of how many thirds' of 242

4. 5 fourths of 24 is 10 sevenths of how many fifths of 40?

5. 5 eighths of 32 is 2 fifths of how many fifths of 35 :

6. 4 sevenths of 63 is 6 eighths of how many ninths of 45 ?

7. 3 sevenths of 56 iś 4 ninths of how many fourths of 28? 8. 3 eighths of 64 is 6 tenths of how

many

sixthis of 30 ? 9. 2 eighths of 72 is 3 tenths of bow

many

fiftitim of 407

C. 1. Two times eleven are how many?
2. Two times twelve are how many?
4. Two times thirteen are how

many
* Two times fourteen are how many i
. Two times fistoen size bow many

[ocr errors]

6. Two times sixteen are how many
7. Two times seventeen are how many?
8. Two times eighteen are how many?

9 Two times nineteen are how many ? -10. Two times, twenty are how many •11. Three times eleven are how many? 12. Three times twelve are how many ? 13. Three times thirteen are how many ?3? 14. Three times fourteen are how many?4/1. 15. Threc times fifteen are how many? 16. Three times sixteen are how many ? 17. Three times seventeen are how many 18. Three times eighteen are how many? 19. Three times nineteen are how many? 20. Three times twenty are how many? 21. Four times eleven are how many ? 22. Four times twelve are how many ? 23. Four times thirteen are how many' 24. Four times fourteen are how many 25. Four times fifteen are how many ? 26. Four times sixteen are how many ? 27. Four times seventeen are how many 28. Four times eighteen are how many ? 29. Four times nineteen are how many? 30. Four times twenty are how many? 31. Five times eleven are how many? 32. Five times twelve are how many? 33. Five times thirteen are how many? 34. Five times rteen are how many? 35. Five times fifteen are how many? 36. Five times sixteen are how many? 37. Five times seventeen are how many 38. Five times eighteen are how many :39. Five times nineteen are how many

40. Five times twenty are how many? ! 41. Six times eleven are how many?

42. Six times twelve are lwow many

[ocr errors]

many ?)

43. Six times thirteen are how many ? ! ¢ 44. Six times fourteen are how many ? x 1 45. Six times fifteen are how many ?! 46. Six times sixteen are how many? 47. Six times seventeen are how many?' 48. Six times eighteen are how 49. Six times nineteen are how many ?145 50. Six times twenty are how many? 51. Seven times eleven are how many 52. Seven times twelve are how many 53. Seven times thirteen are how many 54. Seven times fourteen are how many? 55. Seven times fifteen are how many!!! 56. Seven times sixteen are how many? 57. Seven times seventeen are how many ? 53. Seven times eighteen are how many ? 59. Seven times nineteen are how many? 60. Seven times twenty are how many? 61. Eight times eleven are how many ? 62. Eight times twelve are how many? 63. Eight times thirteen are how many? 54. Eight times fourteen are how many? 65. Eigat times fifteen are how many 66. Eight times sixteen are how 67. Eight times seventeen are how many 68. Eight times eighteen are bow many 69. Eight times nineteen are how many? 70. Eight times twenty are how many? 71. Nine times eleven are how many? 72. Nine times twelve are how many? 173. Nine times thirteen are how many? 74. Nine times fourteen are how many! 75. Nine times fifteen are how many? 76. Nine times sixteen are how many ! 77. Nine times seventeen are how many 78. Ninc times eighteen are how many? 79. Nine umes nineteen are how many

many?

80. Nine times twenty are how many?
81. Ten times eleven are how many?
82. Ten times twelve are how many ?
83. Ten times thirteen are how many?
84. Ten times fourteen'áre how many ?
85. Ten times fifteen aré how many?
86. Ten times sixteen are how many?
87. Ten times seventeen are how many?
88. Ten times eighteen are how many?
89. Ten times nineteen are how many?
90. Ten times twenty are how many?

SECTION VIII.

A. 1. If you cut an apple into two equal parts what is one of those parts called ?* 2. How

many halves of an apple will make the whole apple?

3. If you cut an apple into 3 equal parts, what is of those parts called? what are 2 of the parts alled ?

4. How many thirds of an apple will make the whole apple?

5. If you cut an apple into 4 equal parts, what is ļ of those parts called? what are 2 of those parts called? what are 3 of them called ? How

many fourths of an apple make the whole apple?

7. If an apple be out into 5 equal parts, what is one of the parts called ? what are 2 of the parts called? what are 3 of the parts called? what are 4 of the parts called ?

6.

* Ser Suci III. Art B. remark he fore question 1 and 17.

8. How many fifths of an apple maku the whole apple ?

9. If an apple be cut into 6 equal parts, what is 1 of the parts called? what are 2 of the parts called ? what 3: what 4? what 5? 10. How

many sixths of an apple make the whole apple

11. If an apple be cut into 7 equal parts, what is 1 of the parts called? what are 2 of the parts called? what 3? what 4 ? what 5? what ?

Let the instructer ask the pupil the divisions of a unit in this manner as far as the division into 10 paris. It woulil be well to ask them further. Then let him begin again, and suppose on orange instead of an apple. After applying the division to several different Things, Plate II. may be explained and used. It will often be found useful to refer the parpil to the divisions of some sensible objeci. For the explanation of Plate II. see the key.

how

12. A man had a buskel of corn, and wished to give 1 helf of a bushel apiece to some labourers, many

could he give it to ? 13. How many halves are there in 1? 14. A man divided 2 barrels of flour

among his Jabourers, giving them 1 half of a barrel apiece; how

many men did he give it to? 15. Ilow many halves are there in 2?* 16. In 3 bushels of corn how many half bushels ? 17. How many halves are tīrere in 3?

18. A boy divided 4 oranges among his companions, giviog them 1 half of an orange apiece; how many boys did he give them to ?

19. How many halves are there in 4 ? * Pe ceval to make the propi! use lle plate. Ile inighe answer the testions willest, Huber will not rawlersinin their meaning so web

« ΠροηγούμενηΣυνέχεια »