Robinson's Progressive Practical Arithmetic: Containing the Theory of Numbers, in Connection with Concise Analytic and Synthetic Methods of Solution, and Designed as a Complete Text-book on this Science, for Common Schools and Academies

Front Cover
Ivison, Blakeman, Taylor & Company, 1877 - Arithmetic - 359 pages
 

Other editions - View all

Common terms and phrases

Popular passages

Page 351 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Page 48 - Division is the process of finding how many times one number is contained in another.
Page 272 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Page 161 - 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 254 - RULE. Divide the given amount by the amount of $1 for the given time and rate, and the quotient will be the principal required.
Page 171 - Thirty days hath September, April, June, and November; All the rest have thirty-one, Save February, which alone Hath twenty-eight; and one day more We add to it one year to four.
Page 161 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 73 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them.
Page 89 - AnS. a fraction by the same number does not alter the value of the fraction...
Page 282 - Three numbers may be in proportion when the first is to the second as the second is to the third.

Bibliographic information