# Robinson's Progressive Practical Arithmetic: Containing the Theory of Numbers, in Connection with Concise Analytic and Synthetic Methods of Solution, and Designed as a Complete Text-book on this Science, for Common Schools and Academies

Ivison, Blakeman, Taylor & Company, 1874 - Arithmetic - 372 pages
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### Contents

 Definitions 7 Numeration Table 15 Subtraction 28 Multiplication 35 Contractions 56 Definitions c 86 DECIMALS 116 Addition of Decimals 124
 Avoirdupois Weight 188 Dry Measure 195 Circular Measure 202 Definitions c 212 United States Securities 220 Protit and Loss 227 Insurance 233 RATIO AND PROPORTION 279

### Popular passages

Page 48 - The dividend is the number to be divided. The divisor is the number by which we divide.
Page 171 - Thirty days hath September, April. June, and November; All the rest have thirty.one, Save February, which alone Hath twenty.eight; and one day more We add to it one year in four.
Page 73 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.
Page 345 - That the tables in the schedule hereto annexed shall be recognized in the construction of contracts and in all legal proceedings as establishing in terms of the weights and measures now in use in the United States the equivalents of the weights and measures expressed therein in terms of the metric system...
Page 87 - The Value of a fraction is the quotient of the numerator divided by the denominator.
Page 280 - Quantities are said to be in continued proportion when the first is to the second, as the second is to the third, as the third to the fourth ; and so on.
Page 356 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Page 95 - The least common denominator of two or more fractions is the least common multiple of their denominators.
Page 270 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Page 89 - To reduce fractions to their lowest terms. A fraction is in its lowest terms when its numerator and denominator are prime to each other; that is, when both terms have no common divisor. 1. Reduce the fraction £§ to its lowest terms.