# The Teacher's Assistant: Or, A System of Practical Arithmetic ...

M. Polock, 1852 - Arithmetic - 192 pages
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### Contents

 Numeration 5 Simple Multiplication 11 Federal Money 20 Simple Reduction 28 Compound Addition 40 Compound Subtraction 47 Compound Multiplication 53 Compound Reduction 64
 Insurance Commission and Brokerage 107 Barter 113 Exchange 120 Vulgar Fractions 127 Decimal Fractions 142 Involution 153 A general Rule for extracting the Roots of 160 Position 166

### Popular passages

Page 168 - ... cents for every day he was idle; at settlement he received 5 dollars. How many days did he work, and how many days was he idle?
Page 188 - Feet multiplied by feet, give feet. Feet multiplied by inches, give inches. Feet multiplied by seconds, give seconds. Inches multiplied by inches, give seconds.
Page 35 - And every other thirty-one, Except the second month alone, Which has but twenty-eight in fine, Till leap year gives it twenty-nine.
Page 125 - Thirty days after sight of this my first of exchange, second and third of like tenor and date not paid, pay to Samuel Sims, or order, four hundred and fifty-two pounds, ten shillings and sixpence sterling, value received, which place to account of Peter Simpson.
Page 34 - TIME. 60 seconds, sec. make 1 minute. min. 60 minutes " 1 hour. h. 24 hours
Page 160 - Involve the root to the next inferior power to that which is given, and multiply it by the number denoting the given power for a divisor.
Page 72 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Page 172 - Multiply the last term by the ratio, from the product subtract the first term, and divide the remainder by ratio less one for the sum of the series.
Page 29 - Scale: 4 farthings (far.) = 1 penny (d.); 12 pence = 1 shilling (s.) ; 20 shillings — 1 pound (£). 156.
Page 34 - Measure are tun, pipe, or butt, hogshead, gallon, quart, and pint. 2 pints (pt.) make - 1 quart - - qt. 4 quarts - - - 1 gallon - - gal. 63 gallons - - - 1 hogshead - hhd. 2 hogsheads - - 1 pipe or butt pi.