DivisibilityRulesWorksheet

# - Divisibility Rules By Janine Bouyssounouse The divisibility rules make math easier Did you ever wonder how people could tell if something was

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Divisibility Rules Worksheet www.edonyourown.com Divisibility Rules By Janine Bouyssounouse The divisibility rules make math easier . Did you ever wonder how people could tell if something was divisible by a number just by looking at it? These rules are how they do it. Memorize a few simple rules and simplifying fractions and prime factorization will be so much easier. Number Divisibility Rule Example Two (2) A number is divisible by two if it is even . Another way to say a word is even is to say it ends in 0, 2, 4, 6 or 8. 642 is divisible by two because it ends in a two, which makes it an even number Three (3) A number is divisible by three if the sum of the digits adds up to a multiple of three . 423 is divisible by three because 4 + 2 + 3 = 9. Since nine is a multiple of three (or is divisible by three), then 423 is divisible by three Four (4) A number is divisible by four if it is even and can be divided by two twice . 128 is divisible by four

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## This note was uploaded on 04/19/2011 for the course MTH 110 taught by Professor Helenius during the Winter '08 term at Grand Valley State University.

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- Divisibility Rules By Janine Bouyssounouse The divisibility rules make math easier Did you ever wonder how people could tell if something was

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