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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Divisibility by 2 |
If last number is even |
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Divisibility by 5 |
If last number is 5 or 0 |
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Divisibility by 4 |
If last 2 digits are divisible by 4 |
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Divisibility by 3 |
If sum of digits is divisible by 3, then so is full number |
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Divisibility by 9 |
If some of digits is divisible by 9, then so is number |
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Divisibility by 6 |
Divisible by both 2 and 3 |
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How do you get first 5 multiples of a #? |
Multiply # by 1 2 3 4 5 |
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If we are given a multiple and a factor, how do we find more multiples? |
Add or subtract factor by the given multiple. |
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If we have 2 multiples of a factor, how do we find more multiples? |
Add or subtract the 2 multiples together to find more multiples |
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What is the multiple of a multiple? |
A multiple of the factor |
28 is a multiple of 14, 14 is a multiple of 7. 28 is also a multiple of 7 |
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Is the product of two multiples still a multiple of that factor? |
Yes, the product would be a multiple of the factor. 9 & 6 are multiples of 3. 9*6 = 54 which is also a multiple of 3 |
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