Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method of Instruction

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W. J. Reynolds & Company, 1829 - Mental arithmetic - 172 pages
 

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Page 119 - It will be seen by the above section that if both the numerator and denominator be multiplied by the same number, the value of the fraction will not be altered...
Page 166 - I see by little and little more of what is to be done, and how it is to be done, should I ever be able to do it.
Page 134 - What part of a year is 1 month ? 2 months ? 3 months ? 4 months ? 5 months ? 6 months ? 7 months? 8 months? 9 months?
Page 80 - If 4 men can do a piece of work in 8 days, how many men would it take to do the same work in 4 days ? 20.
Page 109 - The number under the line is called the denominator, because it gives name to the fraction ; and the number above the line is called the numerator, because it shows the number of parts used, "flius T3j, 10 is the denominator and 3 the numerator.
Page 40 - There is an orchard consisting of ten rows of trees, and nine trees in each row ; how many trees are there in the orchard ? 12.
Page 121 - ? 35. A man, owning * of a ship, sold | of his share ; what part of the whole ship did he sell ? What part had he left ? 36.
Page 82 - A man, being asked how many sheep he had, said that he had them in two pastures ; in one pasture he had eight ; and that 3 fourths of these was just 1 third of what he had in the other. How many were there in the other ? 4.
Page 126 - At $ of a dollar a pound, how many pounds of tea can be bought for 7f dollars ? 28.
Page 2 - When Mr. Wiseman had read this letter, he shook his head, and said to his assistant, A pretty subject they have sent us here ! a lad that has a great genius for nothing at all. But perhaps my friend Mr. Acres expects that a boy should...

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