Divisibility Rules

Divisibility Rules for 2,3,4,5,6,9,10

Divisibility Rule for 2

The last digit is even (0,2,4,6,8) Example is 0,12,24,36,48.

Divisibility Rules for 3

The sum of the digits is divisible by 3. example is 381 (3+8+1=12 and 3x4=12)


Divisibility rule for 4

The divisibility rule for 4 is if the last 2 digits of a number is even. example is 1312 is (12÷4=3)


Divisibility Rules for 5

The last digit is 0 or 5. example is 345 and 650


Divisibility Rules for 6

The number is divisible by both 2 and 3. example is 114 is even so it is 2, (1+1+4=6) and 6 is a multiple of 3.


Divisibility Rules for 9

If the sum of the digits is 9 or a multiple of 9 then 9 is divisible. example is 558 (5+5+8=18)


Divisibility Rules for 10

If the last digit is 0 then 10 is divisible


Examples

12 is divisible by 2,3,4,6.

165 is divisible by 3,5.

16 is 2,4.

Grade 6 Divisibility Rules Song
Divisibility Rules!
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