# Divisibility Rules

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Published on June 5, 2008

Author: sunnyrain43229

Source: authorstream.com

Divisibility Rules : Divisibility Rules How do we know when we can divide one number into another exactly? Jenny Russell Divisibility Rules (2) : Divisibility Rules (2) A number can be divided by 2 if the last digit is even Divisibility Rules (3) : Divisibility Rules (3) a number is divisible by 3 if the sum of the digits is 3, 6 or 9 Divisibility Rules (4) : Divisibility Rules (4) a number is divisible by 4 if the number made by the last two digits can be divided by 4 Divisibility Rules (5) : Divisibility Rules (5) A number is divisible by 5 if the last digit is a 5 or a 0 Divisibility Rules (6) : Divisibility Rules (6) A number can be divided by 6 if the last digit is even and the sum of all the digits is 3, 6 or 9 Divisibility Rules (8) : Divisibility Rules (8) A number is divisible by 8 if the number made by the last three digits will be divisible by 8 Divisibility Rules (9) : Divisibility Rules (9) A number is divisible by 9 if the sum of all the digits will add to 9 Divisibility Rules (10) : Divisibility Rules (10) A number can be divided by 10 if the last digit is a 0 Divisibility Rules : Divisibility Rules A number can be divided by 7 if ……………… can you find a rule? Divisibility Rules : Divisibility Rules 2, the last digit will be an even number 3, all the digits will add to 3,6 or 9 4, the number made by the last two digits can be divided by 4 5, the last digit will be a 5 or 0 Divisibility Rules : Divisibility Rules 6, the last digit will be even and the digits will add to 3, 6 or 9 8, the number made by the last three digits will be divisible by 8 Divisibility Rules : Divisibility Rules 9, the sum of the digits will be 9 10, the last digit will be a 0 There is no easy test for 7, although some methods have been invented, however it is easier to use a pencil and paper method. Divisibility Rules : Divisibility Rules Apply these rules to theses numbers: 74,673,042 444,555,448 61,616,168 732,510 66,666,666 179,131,590

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