# Practical Arithmetic, Embracing the Science of Numbers and the Art of Computation: For Schools and Academics

Sheldon & Company, 1868 - Arithmetic - 380 pages
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### Contents

 Roman Notation 9 English Method of Numeration 17 Tables of Currency Weight 61 Definitions 73 Reduction of U S Currency 79 Definitions 79 Factoring of Numbers 79 Common Fractions 91
 Multiplication of Decimals 124 Addition and Subtraction of Denom 167 RATIO AND PROPORTION 173 Pyramids and Cones 261 Circles 286 Measurement of Distances 298 77 Cancellation and Analysis 301 Arithmetical Analysis 304

 Reduction of Fractions 97 Addition of Fractions 103 73 109 Decimal Fractions 118
 મહ 325 Addition of Circulating Decimals 338 Miscellaneous Examples 358

### Popular passages

Page 317 - 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 187 - ... 8 months ; what is the equated time for the payment of the whole ? Ans.
Page 52 - Place the less number under the greater, so that units of the same order shall stand in the same column.
Page 257 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Page 316 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Page 219 - The Square Root of a number is one of its two equal factors.
Page 237 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Page 229 - Multiply the complete divisor by the second figure of the root and subtract the product from the dividend.
Page 18 - Write the subtrahend under the minuend, so that units of the same order shall stand in the same column.
Page 72 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.