Video# Recognizing divisibility (Full video)

## Supporting grades: 6

Khan Academy

Description: Recognizing Divisibility. Created by Sal Khan and Monterey Institute for Technology and Education. Well, in order for something to be divisible by 2, it has to be an even number, and to be an even number, your ones digit, so let me rewrite 380. And for this to be even, it has to be 0, 2, 4, 6 or 8, and this is 0, so 380 is even, which means it is divisible by 2, so it works with 2. Now, a quick way to think about 3 is to add the digits of your number.

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