The sum of the digits is divisible by

The last two digits are divisible by

Double the last digit. Subtract it from the rest of the number.

The last three digits are divisible by

First get the sum of the alternating digits. Then get the sum of the remaining digits. Then subtract the two sums.

Busy. Please wait.

Don't have an account? Sign up

taken

Age:

12 or younger
13 or older

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password

Enter the email address associated with your account, and we'll email you a link to reset your password.

Help

Options

focusNode

Didn't know it?
click below

Knew it?
click below

Don't Know

Remaining cards (0)

Know

retry

shuffle

restart

0:00

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Divisibility Rules

Question	Answer
2	The last digit is even
3	The sum of the digits is divisible by
4	The last two digits are divisible by
5	The last digit is 5 or 0
6	It is divisible by 2 and 3
7	Double the last digit. Subtract it from the rest of the number.
8	The last three digits are divisible by
9	Sum of digits is divisible by
10	ends in 0
11	First get the sum of the alternating digits. Then get the sum of the remaining digits. Then subtract the two sums.