Divisibility Rules Flashcards
1
Q
A number is divisible by 2 if …
A
it is an even number.
2
Q
A number is divisible by 3 if…
A
the sum of the digits is divisible by 3.
3
Q
A number is divisible by 4 if…
A
the last two digits are both zeros or if they are divisible by 4.
4
Q
A number is divisible by 5 if…
A
the units’ digit is 0 or 5.
5
Q
A number is divisible by 9 if…
A
the sum of the digits is divisible by 9.
6
Q
A number is divisible by 10 if…
A
the units’ digit is 0.
