# A Practical Arithmetic: Designed for Grammar Schools and Academies

G.I. Jones and Company, 1880 - 310 σελίδες

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### Περιεχόμενα

 Definitions 1 Roman System 8 United States Currency 4952 49 Least Common Multiple 5659 58 Common Fractions 75107 75 Dfximal Fractions 107123 107 Compound Numbers 123156 123 Metric System 147
 Interest 183 Bank Discount 197 Profit and Loss 200 Brokerage 206 Equation of Payments 215 Taxes 221 Partnership 230 Powers and Roots 239

 Reduction of Denominate Fractions 153156 153 Duodecimals 159161 159 Compound Proportion 171177 171 Percentage 177235 177
 Cube Root 252 Arithmetical Progression 258 Mensuration 271 Mechanical Powers 278

### Δημοφιλή αποσπάσματα

Σελίδα 128 - 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.
Σελίδα 241 - Which proves that the square of a number composed of tens and units contains, the square of the tens plus twice the product of the tens by the units, plus the square of the units.
Σελίδα 126 - MEASURE. 12 inches (in.) make 1 foot, ft. 3 feet "1 yard, yd. 5£ yards, or 16¿- feet, " 1 rod, rd. 40 rods " 1 furlong, fur. 8 furlongs, or 320 rods,
Σελίδα 124 - ENGLISH MONEY. 4 farthings (far.) make 1 penny, d. 12 pence " 1 shilling, s. 20 shillings
Σελίδα 57 - The Least Common Multiple of two or more numbers is the least number that...
Σελίδα 89 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Σελίδα 52 - 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.
Σελίδα 43 - If any partial dividend will not contain the divisor, write a cipher in the quotient, annex the next figure of the dividend, and proceed as before.
Σελίδα 117 - Multiply as in whole numbers, and point off in the product as many decimal places as there are in both factors.
Σελίδα 140 - TABLE. 16 Drams (dr.) make 1 Ounce, oz. 16 Ounces " 1 Pound, Ib. 25 Pounds " 1 Quarter, qr. 4 Quarters " 1 Hundred Weight, cwt. 20 Hundred Weight