A common school arithmetic

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Cowperthwait & Co., 1871 - Arithmetic - 336 pages
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Page 136 - 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. mi.) Cubic Measure 1728 cubic inches (cu.
Page 137 - Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 134 - Measure 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5$ yards or 16$ feet = 1 rod (rd.) 320 rods or 5280 feet = 1 mile (mi.) Square Measure 144 square inches (sq.
Page 92 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Page 46 - Rule. — I. Draw curved lines at both sides of the dividend, and place the divisor at the left. II. Divide the number expressed by the fewest terms at the left that will contain the divisor, and place the quotient at the right. III. Multiply the divisor by this quotient, write the product under the partial dividend, subtract, and to the remainder annex the next term of the dividend. IV. Divide as before, and thus continue until all the terms of the dividend have been used. V. If any partial dividend...
Page 204 - RULE. Find the amount of the principal to the time when the payment, or the sum of the payments, equals or exceeds the interest due.
Page 61 - A multiple of a number contains all the prime factors of that number ; and the common multiple of two or more numbers contains all the prime factors of each of the numbers.
Page 207 - The true present worth of a debt payable at a future time without interest, is such a sum as, being put at legal interest, will amount to the debt when it becomes due.
Page 75 - Multiplying or dividing both terms of a fraction by the same number does not change its value.
Page 61 - The Least Common Multiple of two or more numbers is the least number that...

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