# The Elementary Arithmetic: Oral and Written

Porter & Coates, 1877 - Arithmetic - 164 pages
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### Contents

 SUGGESTIONS TO TEACHERS 9 Addition 19 Subtraction 30 CHAPTER II 66 FRACTIONS 72 PROPERTIES OF NUMBERS 79 Least Common Multiple 85
 Addition of Fractions 98 Division of Fractions 110 mals 125 PAGE 148 REVIEW PROBLEMS 162 Copyright

### Popular passages

Page 83 - 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 139 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 92 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Page 143 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Page 138 - 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 97 - The least common denominator of two or more fractions is the least common multiple of their denominators.
Page 134 - TABLE. 12 inches (in.) = 1 foot, ft. 3 feet = 1 yard, yd. 5£ yards, or 16£ feet = 1 rod, rd. 40 rods = 1 furlong, fur.
Page 136 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 141 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Page 144 - TABLE. 60 seconds (") make 1 minute, . . . . '. 60 minutes " 1 degree,. . . . °. 30 degrees