Written ArithmeticBrewer & Tileston, 1876 |
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Page 5
... Divisibility of Numbers , Table of Prime Numbers , · • • · 56 Factoring Numbers , • 57 Greatest Common Divisor , 59 959 60 61 Definitions , General Principles , · · · 64 To find the Whole from a Part ,. 65 What Part one Number is of ...
... Divisibility of Numbers , Table of Prime Numbers , · • • · 56 Factoring Numbers , • 57 Greatest Common Divisor , 59 959 60 61 Definitions , General Principles , · · · 64 To find the Whole from a Part ,. 65 What Part one Number is of ...
Page 7
... Divisibility by 9 , Proof of Multiplication and Division by casting out the 9's , . Contractions in Multiplication , Contractions in Division , Exact Interest by Days , ARITHMETIC . ARTICLE 1. ARITHMETIC is the science of numbers TABLE ...
... Divisibility by 9 , Proof of Multiplication and Division by casting out the 9's , . Contractions in Multiplication , Contractions in Division , Exact Interest by Days , ARITHMETIC . ARTICLE 1. ARITHMETIC is the science of numbers TABLE ...
Page 57
... divisible by 2 . ( 4. ) Any number is divisible by 3 when the sum of its digits is divisible by 3 ; thus , 2814 is divisible by 3 , for 2 + 8 + 1 + 4 ... divisible by 8 , the divisibility DIVISIBILITY OF NUMBERS . 51 Divisibility of Numbers,
... divisible by 2 . ( 4. ) Any number is divisible by 3 when the sum of its digits is divisible by 3 ; thus , 2814 is divisible by 3 , for 2 + 8 + 1 + 4 ... divisible by 8 , the divisibility DIVISIBILITY OF NUMBERS . 51 Divisibility of Numbers,
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George Augustus Walton. number of thousands is divisible by 8 , the divisibility of the given number by 8 must depend on the hundreds , tens , and units . ( 9. ) Any number is divisible by 9 if the sum of its digits is divisible by 9 ...
George Augustus Walton. number of thousands is divisible by 8 , the divisibility of the given number by 8 must depend on the hundreds , tens , and units . ( 9. ) Any number is divisible by 9 if the sum of its digits is divisible by 9 ...
Page 90
... DIVISIBILITY OF NUMBERS . ― When are numbers divisible by 2 ? by 3 by 4 by 5 ? by 6 ? by 8 ? by 9 ? by 10 ? by 11 ? by any com- posite number ? How shall we ascertain whether any given number is prime ? Describe Eratosthenes ' sieve ...
... DIVISIBILITY OF NUMBERS . ― When are numbers divisible by 2 ? by 3 by 4 by 5 ? by 6 ? by 8 ? by 9 ? by 10 ? by 11 ? by any com- posite number ? How shall we ascertain whether any given number is prime ? Describe Eratosthenes ' sieve ...
Common terms and phrases
acres amount angle barrels bought bushels cents per lb common fraction common multiple compound interest contain cord cost cube root decimal fraction decimal point decimeters diameter Dictation Exercises discount Divide dividend dollars Dry Measure DUODECIMALS equal figure Find the G. C. D. frustum gain gall gallons given number greatest common divisor Hence the RULE hundred improper fraction inches least common multiple length long ton measure meters miles minuend mixed number months multiply NOTE number is divisible number of terms OPERATION paid parallelopiped payment pounds premium present worth prime factors principal quotient ratio Reduce remainder rods selling sold square root subtract tens thousand thousandths triangle units weight whole number wide width write yards
Popular passages
Page 117 - 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 268 - Subtract the square number from the left hand period, and to the remainder bring down the next period for a dividend. III. Double the root already found for a divisor ; seek how many times the divisor is contained in the dividend...
Page 68 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Page 289 - A Circle is a plane figure bounded by a curved line called a circumference, every point of which is equally distant from a point within called the centre.
Page 306 - The sum of all the terms. Any three of which being given, the other two may be found.
Page 114 - A circle is a plane figure bounded by a line, every part of which is equally distant from a point within called the centre ; as AEFGBD.
Page 278 - 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 306 - ... found. This gives rise to twenty distinct cases, a few of the more important of which will be here presented. NOTE I. — For the remaining cases, also for full discussions of Geometrical Progression and Annuities, the student is referred to works on Algebra.
Page 10 - L, fifty ; C, one hundred ; D, five hundred ; M, one thousand.
Page 248 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.