A Practical Arithmetic

Front Cover
Ginn & Company, 1885 - Arithmetic - 276 pages
 

Other editions - View all

Common terms and phrases

Popular passages

Page 122 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 121 - 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 124 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year (yr.) 366 days = 1 leap year About 30 days = 1 month (mo.) 12 months = 1 year VALUE 10 cents (ct.
Page 129 - Numbers. 12 units = 1 dozen. 12 dozen = 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Page 101 - 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 120 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Page 42 - If the divisor contains decimal places, we may remove the decimal point from the divisor, provided we carry the decimal point in the dividend as many places to the right as there are decimal places in the divisor.
Page 35 - If a product consists of equal factors, it is called a power of one of those equal factors, and one of the equal factors is called a root of the product. The power and the root are named according to the number of equal factors in the product. Thus...
Page 101 - To reduce an improper fraction to a whole or mixed number, Divide the numerator by the denominator. The quotient will be the whole number, and the remainder, if...
Page 18 - ... to 27 and to 15, the difference of the sums will be twelve ; thus, adding 7 to 27 and 15, we have 34 — 22 = 12 ; adding 2 to 27 and 15, we have 29 — 17 = 12, etc. To add 10 to any digit in a number is the same as adding 1 to the next left-hand digit. This will explain the last clause in the following rule for subtraction : Write the subtrahend under the minuend, point under point, and each order under its corresponding order. If the number of places in the two be unequal, mentally consider...

Bibliographic information