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Divisibility tricks
second quarter
Question | Answer |
---|---|
2 | If the number is even. |
3 | If the sum of the digits of the number are divisible by 3. |
4 | last two digits of the number are 00 or last two digits are divisible by four. |
5 | if the number ends in 0 or 5. |
6 | if the number is divisible by 2 and 3. |
7 | take off the las digit of the number then double the last digit then subtract it rom the number. After one time do it again with the other number. |
8 | if the last three digits are 000 or divisible by 8. |
9 | The sum of the digits in the number is divisible by 9. |
10 | if the number ends in a 0. |
11 | Take off the last digit od the number then subtract it from the number. And see whether that number is divisible by 11. |
12 | if the number is divisible by 4 and 3 |