The Common-school Arithmetic: a Practical Treatise on the Science of Numbers

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H. Cowperthwait & Company, 1858 - 276 pages
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Page 241 - A sphere is a solid, bounded by a curved surface, every part of which is equally distant from a point within, called the centre.
Page 29 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Page 32 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Page 68 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Page 30 - Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
Page 119 - Dividing both numerator and denominator of a fraction by the same number both divides and multiplies the fraction by that number, and, therefore, docs not alter its value.
Page 27 - An angle less than a right angle is called an acute angle; an angle greater than a right angle and less than two right angles is called an obtuse angle.
Page 33 - WEIGHTS. 10 milligrammes = 1 centigramme. 10 centigrammes = 1 decigramme. 10 decigrammes = 1 gramme. 10 grammes = 1 decagramme. 10 decagrammes = 1 hectogramme. 10 hectogrammes = 1 kilogramme. 10 kilogrammes = 1 myriagramme.
Page 159 - In any proportion, the product of the means is equal to the product of the extremes.
Page 22 - I, stands for one ; V, for five ; X, for ten; L, for fifty ; C, for one hundred ; D, for five hundred ; and M, for one thousand.

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