Divisibility Rules Flashcards
A number is divisible by 3 if…
The sum of the digits are divisible by 3
A number is divisible by 2 if…
it ends in a 0, 2, 4, 6, or 8
A number is divisible by 4 if…
The last two digits combined is divisible by 4
A number is divisible by 5 if…
The last digit is a 0 or a 5
A number is divisible by 6 if…
It is divisible by BOTH 2 and 3
A number is divisible by 9 if…
The sum of the digits are divisible by 9
A number is divisible by 10 if…
It ends in a 0
A number that ends in a 0, 2, 4, 6, or 8 is divisible by…
2
If the sum of the digits are divisible by 3 then the number is divisible by…
3
If the last two digits combined are divisible by 4 then the number is divisible by…
4
If the last digit is a 0 or a 5 then the number is divisible by…
5
If the number is divisible by BOTH 2 and 3 then the number is divisible by…
6
If the sum of the digits are divisible by 9 then the number is divisible by…
9
If the last digit is a 0 then the number is divisible by…
10
What does divisibility mean?
Able to be divided with no remainder