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

H. Cowperthwait & Company, 1859 - 270 σελίδες

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### Περιεχόμενα

 SECTION 7 To read Numbers 14 Roman Method 20 Cubic Measure 27 Examples for Practice 33 Examples for Practice 39 Examples and Problems 46 Miscellaneous Problems 53
 Miscellaneous Problems 144 Duodecimal Fractions 150 RATIO AND PROPORTION 103 Ratio 153 Proportions 155 Problems in Proportion 157 Problems in Compound Propor tion 160 INTEREST 107 Preliminary Definitions 162 Legal Kate 163

### Δημοφιλή αποσπάσματα

Σελίδα 239 - A sphere is a solid, bounded by a curved surface, every part of which is equally distant from a point within, called the centre.
Σελίδα 30 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Σελίδα 66 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Σελίδα 25 - 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.
Σελίδα 233 - The BASE of a figure is the side on which it is supposed to stand. Any side of a figure may be regarded as its base. The side opposite tho base of a rectangle or parallelogram is often called its upper base.
Σελίδα 117 - 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.
Σελίδα 27 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Σελίδα 31 - 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.
Σελίδα 157 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 20 - 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.