A Treatise of Arithmetic: Designed for the Use of the Elementary Schools; Followed by the Principles for Measuring the Surface, and the Solidity of the Bodies

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Lovell & Gibson, 1843 - Arithmetic - 129 pages
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Page 10 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 5 - A COMMON MULTIPLE of two or more numbers is any number that contains each of them an exact number of times, and the least number that will do...
Page 27 - To divide by 10, 100, 1000, &c. Cut off- as many figures from the right hand of the dividend as there are ciphers in the divisor.
Page 94 - To reduce an improper fraction to a whole or mixed number, — RULE : Divide the numerator by the denominator ; the quotient will be the whole or mixed number.
Page 27 - III. Multiply the divisor by this quotient figure, subtract the product from the partial dividend, and to the remainder annex the next figure of the dividend.
Page 94 - 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 10 - THE CIRCLE. 60 Seconds = 1 Minute. 60 Minutes = 1 Degree. 30 Degrees = 1 Sign. 90 Degrees = 1 Quadrant. 360 Degrees, or 12 Signs = 1 Circumference. Formerly the subdivisions were carried on by sixties ; thus, the second was divided into 60 thirds, the third into 60 fourths, &c.
Page 114 - Subtract the square of this figure from the left-hand period, and to the remainder annex the next period for a dividend.
Page 103 - Wherefore, to reduce shillings, pence and farthings to the decimal...
Page 94 - The greatest common divisor of two or more numbers is the greatest number that will divide each of them without a remainder. Thus 6 is the greatest common divisor of 12, 18, and 24.

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