Mental Arithmetic Upon the Inductive Plan: Designed for Primary and Intermediate Schools

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R.S. Davis & Company, 1861 - Mental arithmetic - 144 pages
 

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Page 69 - If 18 men can do a piece of work in 90 days, how long will it take one man to do the same ? 7.
Page 103 - ... 1 Day . . 2 Days . . 3 Days . . 4 Days . . 5 Days . . 6 Days . . 7 Days . . 8 Days . . 9 Days...
Page 60 - At 8 cents a pound, how many pounds of sugar can be bought for 48 cents ? For 50 cents ? For 58 cents ? For 62 cents ? For 64 cents ? 29.
Page 139 - PROOF. — Multiply the divisor by the quotient, and to the product add the remainder, if any.
Page 115 - ... said he, I have not a hundred, but if I had as many more, and half as many more, and two geese and a half, I should have a hundred.
Page 135 - Then, commencing with the units, multiply each figure of the multiplicand by each figure of the multiplier, and arrange the products so that the first figure of each product may stand directly under its multiplier.
Page 98 - The terms folio, quarto, octavo, duodecimo, etc., indicate the number of leaves into which a sheet of paper is folded. A sheet folded in 2 leaves is called a Folio.
Page 115 - The head of a fish is 7 inches long, the tail is as long as the head and |- of the body, and the body is as long as the head and tail ; what is the length of the fish ? 9.
Page 37 - When good sugar is sold for 8 cents a pound, what must be paid for 2 pounds ? 3 pounds ? 4 pounds ? 5 pounds ? 6 pounds ? 7 pounds ? 8 pounds ? 9 pounds ? 10 pounds ? 11 pounds ? 19.
Page 142 - Then multiply the divisor by this figure and subtract the product from the figures divided; to the right of the remainder bring down the next figure of the dividend and divide this number as before.

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