Divisibility Rules Flashcards
1
Q
A number can be divided by 2 if?
A
The last digit even
I.e. 116
2
Q
A number can be divided by 3 if?
A
The sum of the digits is divisible by 3
I.e. 1239
3
Q
A number can be divided by 4 if?
A
The last two digits can be cut in half twice
I.e. 88
4
Q
A number can be divided by 5 if?
A
The integer ends in a 0 or 5
I.e. 75
5
Q
A number can be divided by 6 if?
A
If the integer is divisible by 2 and 3
I.e 48
6
Q
A number can be divided by 8 if?
A
The last three digits can be cut in half thrice.
I.e. 104
7
Q
A number can be divided by 9 if?
A
The sum of the digits is divisible by 9
I.e. 369
8
Q
A number can be divided by 10 if?
A
The integer ends in a 0
I.e. 80