# New Practical Arithmetic: for Grammar Departments

Clark & Maynard, 1875 - 384 pages
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### Contents

 Notation 10 To Express Numbers by Letters 17 Subtraction 31 Borrowing Illustrated 38 Short Division 57 Analysis 73 Factoring 85 Fractions 99
 Percentage 230 Applications of Percentage 241 Method by Aliquot Parts 259 Partial Payments 267 Compound Interest 273 Stock Investments 280 Insurance 292 Duties 298

 Decimal Fractions 139 United States Money 154 Multiplication of U S Money 161 Compound Numbers 171 Metric Weights and Measures 207
 Averaging Accounts 304 Involution 330 Arithmetical Progression 350 PAGE 363 103 366

### Popular passages

Page 184 - 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 152 - To divide one fraction by another, reduce them both to a common denominator, and divide the numerator of the dividend by the numerator of the divisor.
Page 91 - The greatest common divisor of two or more numbers is the greatest number that will divide each of them without a remainder. Thus 6 is the greatest common divisor of 12, 18, and 24.
Page 269 - Find the amount of each payment from the time it was made to the time of settlement. III. Subtract the sum of the amounts of the payments from the amount of the principal, and the remainder will be the sum due.
Page 340 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Page 303 - 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 351 - That is, the first term of an increasing arithmetical series is equal to the last term diminished by the product of the common difference into the number of terms less one.
Page 150 - Multiply as in whole numbers, and from the right hand of the product point off as many figures for decimals as there are decimal places in both factors.
Page 96 - PRINCIPLES. — 1°. A multiple of a number must contain all the prime factors of that number. 2°. A common multiple of two or more numbers must contain all the prime factors of each of the given numbers.
Page 188 - The terms folio, quarto, octavo, duodecimo, etc., indicate the number of leaves into which a sheet of paper is folded. A sheet folded in 2 leaves is called a Folio.