# 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 - 372 páginas

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### Contenido

 Definitions 7 Numeration Table 15 Subtraction 28 Multiplication 85 35 Contractions 42 R A CTION 98 Multiplication of Fractions 104 Division of Fractions 110
 English Money 182 Avoirdupois Weight 155 To find the Difference in Dates 188 Dry Measure 195 Circular Measure 172 Promiscuous Examples 205 Commission and Brokerage 212 StockJobbing 253 Gold Investments 259 Insurance 266

 Subtraction of Decimals 126 When the Price is an Aliquot Part 139 Promiscuous Examples 146 Reduction 174
 RATIO AND PROPORTION 279 Compound Proportion 289 Alligation Alternate 3 334 The Metric System 345

### Pasajes populares

Página 48 - The dividend is the number to be divided. The divisor is the number by which we divide.
Página 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.
Página 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.
Página 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...
Página 87 - The Value of a fraction is the quotient of the numerator divided by the denominator.
Página 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.
Página 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.
Página 95 - The least common denominator of two or more fractions is the least common multiple of their denominators.
Página 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.
Página 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.