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

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R.S. Davis, 1851 - 144 páginas
 

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Página 84 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Página 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.
Página 38 - If 4 firkins of butter cost 26 dollars, what will 7 firkins cost ? 15. If 3 men can do a piece of work in 7 days, how long will it take 1 man to do it? How long would it take 4 men ? 16.
Página 135 - MORE than one figure, multiply each figure of the multiplicand by each figure of the multiplier separately, and write the first figure of each partial product under the figure by which you are multiplying.
Página 138 - Then inquire how many times the divisor is contained in the first left-hand figure, or figures, of the dividend, and place the result immediately beneath.
Página 37 - If 1 pound of raisins cost 6 cents, what cost 4 pounds ? 5 pounds ? 6 pounds ? 7 pounds ? 8 pounds ? 9 pounds ? 10 pounds ? 12 pounds ? 16.
Página 120 - A person has two horses, and a saddle worth £50 ; now, if the saddle be put on the back of the first horse, it will make his value double that of the second ; but if it be put on the back of the second, it will make his value triple that of the first ; what is the value of each horse ? Ans.
Página 72 - The denominator shows into how many parts the whole number is divided, and the numerator shows how many of those parts are used.
Página 98 - TABLE. 60 seconds" make 1 minute, marked '. 60 minutes • 1 degree, °. 30 degrees - 1 sign, s. 12 signs or 360° 1 circle, c.
Página 137 - If a secretary receive a salary of 1475 dollars annually, how much would he receive in 12 years ? In 14? 16? 18? 25? 11. If it cost 18465 dollars to sustain an army one day, how much would it take to sustain it 365 days ? 12. If sound moves 1142 feet in a second, how- far will it move in 60 seconds ? 13.

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