# A New System of Arithmetic, on an Improved Plan, Embracing the Rules of Three ...: And All Proportional Questions in One Rule Applicable to the Whole, the Process Greatly Simplified and Abridged

S. & G.S. Woodward, 1857
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### Contents

 Notation 11 Addition and Subtraction 27 Multiplication and Division 49 Ratio or the Relation of Numbers 55 To reduce a Compound Fraction to 63 General Rule for the Multiplication 69 49 86 Multiplication of Decimals 97
 Reduction 112 Reduction of Fractions 118 To reduce Integers of different Denomi 127 Compound Subtraction 133 Supplement to Compound Numbers 142 Mensuration of Surfaces 271 Levelling 297 Table of Specific Gravities 303

 Bills of Parcels 105
 Bookkeeping 317

### Popular passages

Page 98 - TABLE. 10 Mills =1 Cent. 10 Cents =1 Dime. 10 Dimes =1 Dollar. 10 Dollars =1 Eagle.
Page 217 - RULE.* — 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 true time required.
Page 270 - The Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; and each degree into 60 Minutes, each minute into 60 Seconds, and so on.
Page 104 - TABLE. 10 mills (m.) make 1 cent, ct. 10 cents " 1 dime, d. 10 dimes " 1 dollar, \$. 10 dollars " 1 eagle, E .. UNIT EQDIYAI/ENTS.
Page 105 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 217 - ... 8 months ; what is the equated time for the payment of the whole ? Ans.
Page 167 - If 30 men can perform a piece of work in 1 1 days, how many men will accomplish another piece of work, 4 times as large, in a fifth part of the time ? Ans.
Page 11 - 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 70 - RULE. — Divide the numerator of the fraction by the whole number, when it can be done without a remainder, and write the quotient over the denominator.
Page 322 - In testimony whereof they have hereunto interchangeably set their hands and seals, the day and year above [or first above] written.