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

M'Carty & Davis., 1835 - Arithmetic - 198 pages
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Even this book is using a lot of 0's but it says its
nothing , look at this clip , this will help you a lot to figure out what's going on actually.

### Contents

 NUMERATION 7 Practice 84 Insurance Commission and Brokage 109 Inyolution 140 Square Root 157
 Alligation 163 Arithmetical Progression 171 Compound Interest by Decimals 177 A 3 185

### Popular passages

Page 173 - When the two extremes and number of terms are given, to find the common difference. RULE. Divide the difference of the extremes by the number of terms, less one; the quotient will be the common difference.
Page 170 - ... 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 ? Ans.
Page 190 - Feet multiplied by feet, give feet. Feet multiplied by inches, give inches. Feet multiplied by seconds, give seconds. Inches multiplied by inches, give seconds. Inches multiplied by seconds, give thirds. Seconds multiplied "by seconds, give fourths.
Page 99 - RULE.* Multiply the principal by the 'rate per cent, and divide the product by 100: the quotient will be the interest for 1 year.
Page 37 - TIME. 60 seconds (sec.} make - 1 minute min. 60 minutes « - - - 1 hour H. 24 hours - - . • - 1 day D.
Page 132 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Page 131 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Page 169 - Suppose two numbers, and work with each agreeably to the tenor of the question, noting the errors of the results : multiply the errors of each operation into the supposed number of the other ; then, If the errors be alike, i.
Page 129 - The number above the line is called the numerator, and that below the line the denominator. The denominator...
Page 155 - INVOLUTION, OR THE RAISING OF POWERS. A power is the product arising from multiplying any given number into itself continually a certain number of times ; thus, 2x2= 4 the second power or square of 2.