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Multiples of 81
Methods
Methods for Finding Multiples: from a Math Tutor
For a beginner, a math tutor suggests that you can find the multiples of a number by skip-counting to the next number. For Instance, if you want to find the multiples of 81, you could start at 81, and keep adding 81 over and over: 81, 162, 243, 324, and so on. Each of these numbers is a multiple of 81. Typically, this works best only for smaller numbers, as adding larger numbers together over and over can be difficult.
Another way to do this is to use multiplication. To find the first few multiples of 81, you could just multiply 81 by each number in sequence, first multiplying by 1, then 2, then 3, and so on, which we will outline below.
What are the Multiples of 81?
So, what are the multiples of 81? Let’s write it out using the multiplication method:
Interesting Facts Shared by a Math Tutor about Multiples
• Every number is considered the smallest multiple of itself.
• A multiple of a number is very often also the multiple of another number. This is because if you multiply two numbers together, the result is a multiple of both numbers.
• All multiples of even numbers are even.
• The multiples of odd numbers, in sequence, alternate between odd and even numbers.
• You can also find the negative multiples of a number by multiplying by negative numbers.
Math Tutor Suggests Exploring: Practice Finding Multiples of Other Numbers
Finding multiples of any number can be done using the same methods as outlined above. You can see how this can be done with specific numbers, like the ones below, by clicking on the any of the links below:
Multiples of 316 - The first five multiples of 316 are 316, 632, 948, 1264, 1580
Multiples of 257 - The first five multiples of 257 are 257, 514, 771, 1028, 1285
Multiples of 3 - The first five multiples of 3 are 3, 6, 9, 12, 15
Multiples of 986 - The first five multiples of 986 are 986, 1972, 2958, 3944, 4930
Multiples of 191 - The first five multiples of 191 are 191, 382, 573, 764, 955
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