# 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

 Do by threes MULTĨPLICATION Mental Exercises 57 When it is more than 12 and not composite 65 65 To multiply in any case 74 Denominations of coin 77 35 83 NOTATION OF FRACTIONS 104 Division 134 Division of time 136 67 142
 Contraction in Division 194 74 202 Arithmetical operations upon them 224 EQUATION OF PAYMÉNTS 226 PROPORTION 239 EVOLUTION 264 ANNUITIESat simple interest 276 66 278 Combination lotteries 282

### 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 270 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
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 58 - What is 1 eighth of 1 ? of 2 ? of 3 ? of 4 ? of 5? of 6?
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 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.
Σελίδα 81 - Number contains but one name or denomination ; thus, 5, 84, 12 bushels, 65 dollars, are simple numbers. A Compound Number contains two or more names or denominations ; thus, 5 dollars 25 cents, 16 bushels 3 pecks, 3 days 10 hours, are compound numbers. Reduction is the process of changing numbers from one denomination to another, without altering their value ; thus, changing pounds to ounces, ounces to pounds, dollars to cents, &c., is reduction. 1. How many mills in 2 cents? in 3 cents? 2. How many...
Σελίδα 273 - A man bought a horse, agreeing to give 1 cent for the first nail in his shoes, three for the second, and so on. The shoes contained 32 nails; what was the cost of the horse 1 • 374.
Σελίδα 253 - PRACTICE. 1. If 6 men build a wall 20 ft. long, 6 ft. high, and 4 ft. thick, in 16 days, in what time will 24 men build one 200 ft. long, 8 ft. high, and 6 ft. thick ? Ans. 80 days.
Σελίδα 38 - His teacher punished him, for soiling the book, by giving him 4 blows on one hand, and 5 on the other. How many blows did he strike him ? 4 and 5 are how many?