# A Grammar School Arithmetic

Ginn, 1889 - Arithmetic - 348 pages

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Very Nice pre-algebra book.
Includes the method of finding square roots of a number by hand.

### Contents

 Notation and Numeration 4 Addition 12 Subtraction 31 Multiplication 46 Division 59 Decimals 76 Multiples and Measures 98 Common Fractions 111
 Compound Quantities 155 Percentage 203 Interest and Discount 225 Proportion 254 Powers and Roots i 266 Mensuration 278 Miscellaneous Problems 293 Metric System 318

### Popular passages

Page 166 - 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 156 - 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 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 124 - When necessary, reduce the fractions to their least common denominator. Subtract the numerator of the subtrahend, from the numerator of the minuend, and place the difference of the new numerators over the common denominator.
Page 148 - 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 104 - To reduce a mixed number to an improper fraction. Multiply the whole number by the denominator of the fraction, and to the product add the given numerator.
Page 158 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 325 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend. 5. Double the whole root already found for a new divisor, and continue the operation as before, until all the periods are brought down. NOTE.
Page 89 - ... and so on until the quotient is itself a prime number. The several divisors and the last quotient are the prime factors.
Page 170 - A Circle is a plane figure bounded by a curved line, called the Circumference, all points of which are equally distant from a point within, called the Centre.