One way to test if a three-digit number is divisible by 11 is to follow the 3-digit rule: the sum of the first and last digits equals the middle digit.
To determine if the number 792 is divisible by 11, we find the sum of seven and two. Seven plus two gives us a sum of nine, which is equal to the middle digit, nine. So,
792 is divisible by 11.
Click here for more practice problems!
Answer a few questions to see how it works
My Child is:
Mathnasium meets your child where they are and helps them with the customized program they need, for any level of mathematics.
We have over 1,000 centres. in North America. Get started now.
