# An Elementary Arithmetic

Cowperthwait, 1871 - Arithmetic - 208 pages
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### Contents

 NUMBERS 7 ADDITION 16 SUBTRACTION IV 27 VI 40 DIVISION 52 MULTIPLICATION 59 REVIEW 65 INTEGERS 68
 PAPER AND COUNTING 150 16 151 REVIEW 152 REDUCTION 154 27 155 ADDITION 158 SUBTRACTION 161 37 164

 DIVISORS 70 MULTIPLES 72 CANCELLATION 74 NOTATION 77 REDUCTION 82 ADDITION FACTORING 92 SUBTRACTION 94 MULTIPLICATION 97 DIVISION 105 REVIEW FRACTIONS 111 NOTATION 116 REDUCTION 119 COMPUTATIONS 121 DENOMINATE NUMBERS XXIII MEASURES OF EXTENSION 131 MEASURES OF CAPACITY 139 MEASURES OF WEIGHT 142 CIRCULAR MEASURES 146 PAGE 147 7 148 11 149
 40 165 DIVISION 168 REVIEW 171 REDUCTION XLI REVIEW 173 NOTATION AND NUMERATION 174 ADDITION AND SUBTRACTION 178 68 179 MULTIPLICATION 180 DIVISION 182 NOTATION 188 CASES 190 INTEREST 194 REVIEW PERCENTAGE 199 70 201 8 202 180 203 82 204 94 206 121 207 187 208

### Popular passages

Page 134 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Page 110 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Page 88 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Page 75 - Cancel the common factors from both the dividend and divisor. II. Then divide the product of the remaining factors of the dividend by the product of the remaining factors of the divisor, and the result will be the quotient.
Page 101 - Multiply the whole number by the numerator of the fraction, and divide the product by the denominator ; or divide the whole number by the denominator of the fraction, and multiply the quotient by the numerator.
Page 140 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 73 - The Least Common Multiple of two or more numbers is the least number that...
Page 144 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Page 70 - Divide the given number by any prime number greater than 1, that will divide it without a remainder, and the quotient, if composite, in the same manner; and thus continue until the quotient is prime. The divisors and the last quotient will be the prime factors required.
Page 150 - Number. 12 units — 1 dozen (doz.). 12 dozen = 1 gross (gro.). 12 gross =• 1 great gross. 20 units — 1 score.