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If you add up the two digits and they make either 3, 6, or 9

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Q: How you know which numbers are multiples of 3?
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Related questions

What are multiples of 3 up to 500?

if you know your threes just times it by numbers you know like, 6,8,20,50,90,120,140 and so on


How many numbers between 10 to 50 are multiples of 3 and 5?

There are three numbers between 10 and 50 which are divisible by both 3 and 5. All numbers that are multiples of 3 and 5 are the multiples of the lowest common multiples (lcm) of 3 and 5 which is 15. The multiples of 15 between 10 and 50 are {15, 30 and 45}, thus there are 3 numbers.


What percentage of numbers are multiples of 3 or 8 using numbers from 1-100?

33 multiples of 3 plus 12 multiples of 8 minus 4 multiples of both. 41%


What numbers have the factor of 3?

Multiples of 3.


How do you know that the numbers you find are common multiples?

If both of your numbers divide into them evenly with no remainder, they are common multiples.


How many two-digit counting numbers are either multiples of 2 or multiples of 3?

45 multiples of 2 plus 30 multiples of 3 minus 15 multiples of 6 equals 60 numbers


What are the numbers divisible by 3 and 4?

Multiples of 12.


Are all numbers that are multiples of 9 are multiples of 3?

This question is true


What are multiples of 3 and 5?

Since both 3 and 5 are prime numbers, only numbers that are multiples of its product are the numbers that are divisible by both. 15 is the LCM of 3 and 5 and hence all multiples of 15 are divisible by both 3 and 5


How many two digit counting numbers are either multiples of 2 or multiples of 3?

60 numbers


What does common multiple mean?

All nonzero numbers have multiples. Some numbers have some of the same multiples as other numbers. These are known as common multiples. 12 is a multiple of 3. 12 is a multiple of 4. 12 is a common multiple of 3 and 4.All non-zero numbers have multiples. Some numbers have some of the same multiples as other numbers. These are known as common multiples. 12 is a multiple of 3. 12 is a multiple of 4. 12 is a common multiple of 3 and 4.


Which number can divided by 3 without leaving a remainder?

The infinite set of numbers which are multiples of three. The infinite set of numbers which are multiples of three. The infinite set of numbers which are multiples of three. The infinite set of numbers which are multiples of three.