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

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Robert S. Davis & Company, 1857 - Mental arithmetic - 144 pages
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Page 49 - 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 107 - York, and travel in opposite directions, one at the rate of 4 miles an hour, and the other at the rate of...
Page 56 - 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 33 - ... shillings ? 23. In one week there are 7 days ; how many days in 2 weeks ? 3 weeks ? 4 weeks ? 5 weeks ? 6 weeks ? 7 weeks ? 8 weeks ? 9 weeks ? 10 weeks ? 11 weeks ? 12 weeks ? 24. If a man can walk 4 miles in one hour, how far will he...
Page 135 - PROOF. — Multiply the divisor by the quotient, and to the product add the remainder, and if the result be like the dividend, the work is right.
Page 94 - TABLE. 60 seconds (") make 1 minute,...'. 60 minutes " 1 degree, . . . . 30 degrees " 1 sign S. 12 signs, or 360,

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