Rudimentary arithmetic

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J. Weale, 1849 - Arithmetic - 128 pages
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Page 1 - ... principles untouched. The only method of avoiding this error is to confide to men, who are masters of their respective subjects, the task of drawing up Popular Introductions to the several branches of Science. The Publisher trusts that the following list of names will be a sufficient guarantee to the Public that what he proposes to attempt in the cause of Popular Instruction will be done well, and that these little treatises will fully answer the purpose for which they are intended, namely, to...
Page 4 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Page 12 - STERLING MONEY. 4 farthings = 1 penny. 12 pence = 1 shilling. 20 shillings = 1 pound.
Page 15 - OF TIME. 60 Seconds = 1 Minute 60 Minutes =± 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Page 11 - Cut off- as many figures from the right hand of the dividend as there are ciphers in the divisor. The remaining figures of the dividend will be the quotient, and those cut off the remainder.
Page 3 - Mathematical Master of King's College, London, who, with the co-operation of the following gentlemen, will produce a set of books that shall be efficient both for public and self-instruction : — WSB WOOLHOUSE, FRAS, Actuary of the National Loan Fund, Author of several Scientific Works. HENRY LAW, Civil Engineer, Editor and Author of several Professional Works. JAMES HADDON, Arithmetical and Second Mathematical Master, King's College, London.
Page 66 - Hence the rule .for finding the greatest common divisor of two numbers : Divide the greater number by the less, and that divisor by the remainder, and so on, always dividing the last divisor by the last remainder, till nothing remain.
Page 113 - Multiply each payment by the time at which it is due; then divide the sum of the products by the sum of the payments, and the quotient will be the equated time, or that required.
Page 13 - Apothecaries' Weight 20 grains (gr.) = 1 scruple (3) 3 scruples = 1 dram (3) 8 drams = 1 ounce ( 3 ) 12 ounces =; 1 pound (ft...
Page 48 - If 27 men can do a piece of work in 14 days, working 10 hours a day ; how many hours a day must 24 boys work, in order to complete the same in 45 days : the work of a boy being half that of a man ? 13.

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