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5 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is the rule of divisibility for 2?
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A number can be divided by 2 if it an even number.
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Even numbers end in 0,2,4,6,8.
Example: 23,468 is divisible by 2 |
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What is the rule of divisibility for 3?
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Add the digits of the number; if the sum is divisible by 3, then the number can be divided by 3.
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153 can be divided by 3 because 1+5+3=9 and
9 can be divided by 3. |
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Rule of divisibility for 5
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If a number ends in 0 or 5, the number can be divided by 5.
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4,675 can be divided by five because it ends in 5.
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Rule of divisibility for 6
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If a number can be divided by both 2 and 3, then the number can be divided by 6.
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24 can be divided by both 2 and 3, so it can be divided by 6.
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Rule of divisibility for 9
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If the sum of the digits can be divided by 9, then the number can also be divided by 9.
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882 can be divided by 9 because 8+8+2=18, and 18 can be divided by 9.
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