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 Revise together

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maths coordinator

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Posts : 113
Join date : 2010-01-28
Location : Deplomatic International School

PostSubject: Revise together   Sat Feb 13, 2010 7:31 am

Dear students,

First the slightly easier ones...
Definition:
2|10 means 2 divides 10 or 10 is divisible by 2 and leave no remainder

Test for Divisibility by 5
- Check if the last digit is 0 or 5
Example: 123512341325
Since the last digit is 5, the number is divisible by 5

Test for Divisibility by 2
- Check if the last digit is even (0, 2, 4, 6, Cool
Example: 12312348
Since the last digit is 8, the number is divisible by 2

Test for Divisibility by 4
- Check if the last 2 digits is divisible by 4
Example: 123124124
Since 4|24, the number is divisible by 4

Test for Divisibility by 8
- Check if the last 3 digits is divisible by 8
Example: 9798743648
Since 8|648, the number is divisible by 8

Now its your turn
tell me about the divisibility rules of 9 and 10

Maths coordinator sunny
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