# Robinson's Progressive Practical Arithmetic: Containing the Theory of Numbers in Connection with Concise Analytic and Synthetic Methods of Solution ...

American Book Company, 1888
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### Contents

 SIMPLE NUMBERS 8 ADDITION 20 SUBTRACTION 28 MULTIPLICATION 35 CONTRACTIONS 42 DECIMAL NOTATION AND NUMERA 83 GENERAL PRINCIPLES OF FRACTIONS 89 DECIMALS 116
 LONG MEASURE 158 SURVEYORS SQUARE MEASURE 164 SIMPLE PROPORTION 174 ANALYSIS 185 MULTIPLICATION OF COMPOUND NUM 191 SIMPLE INTEREST 205 PARTIAL PAYMENTS 212 RATIO AND PROPORTION 220

 DECIMAL CURRENCY 131 DIVISION OF DECIMAL CURRENCY 137 ARTICLES SOLD BY THE 143 DEFINITIONS 151
 298 238 266 266 13 278 814 315

### Popular passages

Page 351 - 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 48 - Division is the process of finding how many times one number is contained in another.
Page 167 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Page 201 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Page 161 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 171 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 73 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them.
Page 155 - 1 Quarter, " qr. 4 Quarters " 1 Hundred-weight, " cwt. 20 Cwt. = 2240 Ib. " 1 Ton,
Page 169 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 326 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.