A Practical Arithmetic: Designed for Grammar Schools and Academies

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G.I. Jones and Company, 1880 - Arithmetic - 310 pages
 

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Page 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.
Page 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.
Page 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,
Page 124 - ENGLISH MONEY. 4 farthings (far.) make 1 penny, d. 12 pence " 1 shilling, s. 20 shillings
Page 57 - The Least Common Multiple of two or more numbers is the least number that...
Page 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.
Page 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.
Page 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.
Page 117 - Multiply as in whole numbers, and point off in the product as many decimal places as there are in both factors.
Page 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

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