A Treatise on Arithmetic ...: In which the Principles of the Science are Inductively Developed ... Combining Written Arithmetic with Copious Mental Exercises ...

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Packard & Butler, 1830 - Arithmetic - 288 pages
 

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Page 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 ;<!;•_
Page 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.
Page 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.
Page 58 - What is 1 eighth of 1 ? of 2 ? of 3 ? of 4 ? of 5? of 6?
Page 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,.
Page 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.
Page 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...
Page 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.
Page 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.
Page 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?

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