Count by 9931 (Skip Counting by 9931s)

Count by 9931

Here we will show you how to count by 9931, discuss counting by 9931 patterns, and tell you why knowing how to count by 9931 matters. To start off, note that Count by 9931 means counting in 9931s, or count by nine thousand nine hundred thirty-ones, and it is also called skip counting by 9931.

How to count by 9931
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 9931, we count 9931, 19862, 29793, 39724, and so on.

In other words, to count in intervals of 9931 or skip counting by 9931, we start with 9931 and then add 9931 to get the next number, and then continue adding 9931 to the previous number to keep counting by 9931, like this:

9931
9931 + 9931 = 19862
19862 + 9931 = 29793
29793 + 9931 = 39724
39724 + 9931 = 49655
...

You can of course skip count by 9931 forever, so it is impossible to make a list of all numbers, but below is a Count by 9931 Chart of the first 100 numbers to get you started.

Looking at the chart above, you will see that the first column has the first ten numbers you get when you skip count by 9931, the second column has the next ten numbers you get when you skip count by 9931, and so forth.

Count by 9931 Patterns
We organized the Skip Counting by 9931s Chart above in 10 rows and 10 columns so you can easily identify patterns.

Skip counting always creates patterns. Figuring out these patterns may help you if want to count by 9931, but don't have the Counting by 9931s Chart above. Obviously, one pattern with counting by 9931s is that the number increases by 9931.

Furthermore, if you look at each row above, each number in the row has the same last digit (ones place). That means that every tenth number has the same last digit.

If you look down the columns, you will see that the last digit (ones place) repeats itself in blocks of 10 over and over. The pattern of the last digit when you count by 9931 goes 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 and 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 and so on for as long as you count by 9931.

Why Count by 9931?
We think that understanding and learning about skip counting by 9931 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.

When you count by nine thousand nine hundred thirty-one, you are also creating a list of multiples of 9931 that you can use in math when you need the least common multiple. 9931 times n equals the nth multiple or skip count of 9931.

When you skip count by 9931, you are also creating a list of numbers that 9931 is divisible by. On top of that, skip counting by 9931 is the same as making the 9931 times table.

Skip Counting
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Count by 9932
Here is the next number on our list that we used to skip count.