# Caldwell's Practical Arithmetic ...

J.W. Burke & Company, 1883 - Arithmetic - 191 pages
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### Contents

 Introductory Explanation 11 Subtraction 18 Division 26 Cancellation 32 Reduction 41 Compound Subtraction 48 Decimal Fractions 64 Double Rule of Three 77
 Problems in Interest 89 Percentage 95 Practice 103 Barter 109 Evolution 116 Cube Root 127 Promiscuous Examples 160 APPENDIX 168

### Popular passages

Page 53 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Page 125 - Subtract the square number from the left hand period, and to the remainder bring down the next period for a dividend. III. Double the root already found for a divisor ; seek how many times the divisor is contained in the dividend...
Page 28 - Subtract this product from the figures above it; to the remainder, bring down the next figure of the dividend, and divide as before, until all the figures of the dividend are brought down.
Page 36 - 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 33 - Britain. 4 farthings (qr, or far.) make 1 penny, marked d. 12 pence " 1 shilling, " s. 20 shillings " 1 pound, or sovereign, �. 21 shillings " 1 guinea. OBS. 1. It is customary, at the present day, to express farthings in fractions of a penny. Thus, 1 qr. is written ;<!;•_
Page 89 - Finally, subtract the given principal from the last amount, and the remainder will be the compound interest. 2. What is the compound interest of \$350 for 4 years, at 6 per cent.
Page 26 - DIVISION teaches the method of finding how many times one number is contained in another. The number to be divided is called the dividend. The number by which we divide is called the divisor.
Page 35 - TABLE. 4 gills (gi.) - make - - 1 pint, marked pt. 2 pints ------- 1 quart, - - - qt. 4 quarts ------ 1 gallon, - - - gal. 31� gallons ------ 1 barrel, - - - bar.
Page 53 - To reduce an improper fraction to a whole or mixed number, — RULE : Divide the numerator by the denominator ; the quotient will be the whole or mixed number.
Page 115 - Divide this dividend, omitting the last figure, by double the root already found, and annex the quotient to the root, and also to the divisor.