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divisibility rules
| Term | Definition |
|---|---|
| 1 | If it's a whole number, you're done, It's divisible by 1. |
| 2 | If it's even, it's true, It's divisible by 2. |
| 3 | Add the digits to see If it's divisible by 3. |
| 4 | Divide the last two digits by 4, And you'll get 4 for sure. |
| 5 | If it ends with 5 or 0, It makes 5 a hero. |
| 6 | If you got 2 and 3 You get 6 for free! |
| 9 | Add the digits, that's fine To check on 9. |
| 10 | A zero at the end And we'll feel good about 10. |