# 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, 1871 - Arithmetic - 372 pages
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### Contents

 Definitions 7 Reduction 12 Addition 20 Subtraction 28 Multiplication 35 Contractions 42 Definitions c 86 COMMON FRACTIONS 116
 Circular Measure 172 PERCENTAGE 205 126 227 RATIO AND PROPORTION 279 127 289 Square Root 315 142 316 Arithmetical Progression 328

 Notation and Numeration o Decimal 131 Multiplication of Decimals 137 Articles sold by the Ton 143 English Money 151 Cubic Measure 165
 144 337 Mensuration 342 818 348 331 366

### Popular passages

Page 200 - X 5'" = 20"'". Hence the RULE. I. Write the several terms of the multiplier under the corresponding terms of the multiplicand. II. Multiply each term of the multiplicand by each term of the multiplier...
Page 48 - The dividend is the number to be divided. The divisor is the number by which we divide.
Page 167 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Page 173 - A ship during 4 days' storm at sea changed her longitude 397 geographical miles ; how many degrees and minutes did she change ? Ans. 6� 37'. 208. IN COUNTING. 12 units or things make. ... 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great .gross. 20 units
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 347 - That from and after the passage of this act, it shall be lawful throughout the United States of America to employ the weights and measures of the Metric System ; and no contract, or dealing, or pleading in any court, shall be deemed invalid or liable to objection, because the weights or measures expressed or referred to therein are weights or measures of the Metric System.
Page 165 - Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 104 - Multiply together the numerators for a new numerator, and the denominators for a new denominator.
Page 169 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 282 - 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.