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### Divisible by 9 (Math Trick)...

A number is divisible by 9 if the sum of its all digits is divisible by 9. Let us we will apply this interesting math rule on following examples.

• Is 333 divisible by 9?
• The sum of its all digits is 9 which is divisible by 9, so number 333 is also divisible by 9.
(Do this step in your mind).

• Is 8091 divisible by 9?
• The sum of its all digits is 18 which is divisible by 9, so number 8091 is also divisible by 9.
(Do this step in your mind).

• Is 78552 divisible by 9?
• The sum of its all digits is 27 which is divisible by 9, so number 78552 is also divisible by 9.
(Do this step in your mind).

##### SHORTCUT TRICKS (Division)
• Divisible by 2 Shortcut trick
• Divisible by 3 Shortcut trick
• Divisible by 4 Shortcut trick
• Divisible by 5 Shortcut trick
• Divisible by 6 Shortcut trick • Divisible by 7 Shortcut trick • Divisible by 8 Shortcut trick • Divisible by 9 Shortcut trick
• Divisible by 10 Shortcut trick

##### Worksheets (Solved)

###### Integration     