# A Treatise on Arithmetic: Designed Particularly as a Text for Classes in which the Principles of the Science are Inductively Developed ...

Packard & Butler, 1830 - 288 σελίδες

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### Περιεχόμενα

 INTRODUCTORY EXERCISES 1 Multiplication 11 Division 19 Numeration Table 30 Connecticticut rule 34 The Roman Notation 36 Written Addition 43 Observations on Addition 50
 Written Subtraction 94 NoTATION of FRACTIONS 109 INVOLUTION 118 REDUCTION AscENDING 122 Observations on compound NUMBERs 135 RULE of that E by Analysis 142 To find a com denominator 148 Multiplicationa Fraction by a whole number 154

### Δημοφιλή αποσπάσματα

Σελίδα 75 - Britain. 4 farthings (qr, or far.) make 1 penny, marked d. 12 pence " 1 shilling, " s. 20 shillings " 1 pound, or sovereign, £. 21 shillings " 1 guinea. OBS. 1. It is customary, at the present day, to express farthings in fractions of a penny. Thus, 1 qr. is written ;<!;•_
Σελίδα 46 - January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31.
Σελίδα 77 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Σελίδα 272 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Σελίδα 58 - What is 1 ninth of 1 ? of 2? of 3 ? of 4 ? of 5 ? of 6 ? of 7 ? of 8? of 9 ? of 10 ? of- 11?
Σελίδα 77 - TROY WEIGHT. 24 grains gr. make 1 pennyweight, dwt. 20 pennyweights " 1 ounce. oz. 12 ounces " 1 pound. Ib. Table IV. — AVOIRDUPOIS WEIGHT 16 drams dr. make 1 ounce. oz. 16 ounces " 1 pound. Ib. "I"""" " 4 quarters make 1 hundred weight.