To get multiples of 12, start at 12 and keep adding 12.
Even multiples of 5 must end with a zero.
They're all divisible by 4.
As a general rule, multiples tend to be larger than factors. This is not always true. 9 is a factor of 27. 6 is a multiple of 3. The important distinction is in the relationship to the number they are factors or multiples of. A factor will be equal to or lesser than the number. A multiple will be equal to or greater than the number.
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To get multiples of 12, start at 12 and keep adding 12.
Even multiples of 5 must end with a zero.
If a number is divisible by 2 (an even number) and 3 (the sum of the digits is divisible by 3) then the number is divisible by 6.
No. As a general rule, multiples cannot be smaller than the number they are compared to.
As a general rule, numbers that are halfway round up.
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As a general rule, multiples are larger than factors. This is not always true.
Every number that ends in 0 is a multiple of both 5 and 10. Multiples of 5 always end in 0 or 5 and multiples of 10 always end in 0. 0 is the only common last digit
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
No. As a general rule, multiples cannot be smaller than the number they are compared to. 9 is a factor of 225. 225 is a multiple of 9.
they always end in five or zero.
There are twelve possible solutions using the rule you stated.