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7 Cards in this Set
- Front
- Back
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Number is divisible by 2?
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Divide the last digit by 2. If it's a whole number (or integer), then it's divisible by 2.
For example, 3,000,258 is divisible by 2. |
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Number is divisible by 3?
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Add up ALL of the digits and divide by 3. If it's a whole number (or integer), then it's divisible by 3.
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Number is divisible by 4?
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If the last TWO digits -- together as a number -- are divisible by 4.
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Number is divisible by 5?
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If last digit is a 0 or a 5.
For example: 10 or 1005. |
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Number is divisible by 6?
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Divisible by both 2 and 3.
2 = divide last digit by 2. 3 = add up all of the digits and divide by 3. |
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Divisible by 9?
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Add ALL digits and divide by 9.
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Divisible by 10?
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If the last digit is a 0.
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