# An Elementary Arithmetic

Cowperthwait & Company, 1877 - Arithmetic - 224 pages
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### Contents

 NUMBERS 7 III 16 SUBTRACTION 27 REVIEW 37 CANCELLATION 74 REDUCTION 82 SUBTRACTION 94 DIVISION 105
 MULTIPLICATION 165 DIVISION 168 REVIEW 171 NOTATION AND NUMERATION 174 ADDITION AND SUBTRACTION 178 68 179 MULTIPLICATION 180 DIVISION 182

 NOTATION 116 DENOMINATE NUMBERS SECTION PAGI XXIII MEASURES OF EXTENSION 131 MEASURES OF CAPACITY 139 MEASURES OF WEIGHT 142 CIRCULAR MEASURES 146 MEASURES OF TIME 148 PAPER AND COUNTING 150 REVIEW 152 COMPOUND NUMBERS XXX REDUCTION 154 ADDITION 158 SUBTRACTION 161
 REDUCTION 184 REVIEW 187 NOTATION 188 CASES 190 INTEREST 194 REVIEW 199 APPENDIX RECTANGULAR MEASUREMENTS 201 70 204 MISCELLANEOUS PROBLEMS 209 ANSWERS TO WRITTEN EXERCISES 215 77 219

### Popular passages

Page 137 - 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 110 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Page 134 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Page 86 - 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 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.
Page 160 - Rule.— Write the numbers so that units of the same denomination shall stand in the same column.
Page 71 - 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.