# An Elementary Arithmetic Designed for Academies and Schools: Also Serving as an Introduction to the Higher Arithmetic

D. Appleton & Company, 1851 - 347 σελίδες

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### Περιεχόμενα

 ARITHMETIC Defined 9 Subtraetion of Simple Numbers 27 Proof of Multiplication 42 Questions exercising the Four Ground Rules 66 191 82 Least Common Multiple 83 Reciprocals of Numbers 97 198 109
 Duodecimals 190 Value of Foreign Coins at Custom House 199 Compound Proportion 214 Percentnge 225 Interest by Aliquot Parts 236 Discount 246 Commission 255 Fellowship 261

 Federal Money 111 English Money 124 Wine Measure 133 Circular Measure or Motion 139 Addition of Denominate Numbers 150 Exercises in Addition and Subtraction 156 Questions involving the preceding Rules 167 Addition of Denominate Fractions 175 Repetends 182
 Assessment of Taxes 267 In volution 279 Extraction of the Square Root 287 Extraction of the Cube Root 294 Examples involving the Cube Root 306 Geometrical Progression 312 Alligation Alternate 319 Mensuration 325

### Δημοφιλή αποσπάσματα

Σελίδα 111 - 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.
Σελίδα 107 - 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.
Σελίδα 237 - If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above ; and, in like manner, from one payment to another, till all the payments are absorbed ; provided the time between one payment and another be one year or more.
Σελίδα 78 - Then multiply all the numerators together for a new numerator, and all the denominators together for a new denominator...
Σελίδα 151 - Place the remainder under the column added, and carry the quotient to the next column.
Σελίδα 29 - EXAMPLES. 1. In which no figure of the subtrahend is larger than the corresponding figure in the minuend. From 796 subtract 375.
Σελίδα 330 - To find the area of a trapezoid. RULE. Multiply half the sum of the two parallel sides by the perpendicular distance between them : the product will be the area.
Σελίδα 112 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . \$. 10 Dollars = 1 Eagle . E.
Σελίδα 108 - ... it follows, that in division the decimal places of the dividend must be equal to the number of places in the divisor and quotient taken together. Hence, the number of decimal places in the quotient must equal the excess of those in the dividend above those in the divisor.
Σελίδα 107 - In multiplication of decimals, we know that the number of decimal places in the product is equal to the sum of those in both the factors.