Count by 8100 (Skip Counting by 8100s)

Count by 8100

Here we will show you how to count by 8100, discuss counting by 8100 patterns, and tell you why knowing how to count by 8100 matters. To start off, note that Count by 8100 means counting in 8100s, or count by eight thousand one hundreds, and it is also called skip counting by 8100.

How to count by 8100
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 8100, we count 8100, 16200, 24300, 32400, and so on.

In other words, to count in intervals of 8100 or skip counting by 8100, we start with 8100 and then add 8100 to get the next number, and then continue adding 8100 to the previous number to keep counting by 8100, like this:

8100
8100 + 8100 = 16200
16200 + 8100 = 24300
24300 + 8100 = 32400
32400 + 8100 = 40500
...

You can of course skip count by 8100 forever, so it is impossible to make a list of all numbers, but below is a Count by 8100 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 8100, the second column has the next ten numbers you get when you skip count by 8100, and so forth.

Count by 8100 Patterns
We organized the Skip Counting by 8100s 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 8100, but don't have the Counting by 8100s Chart above. Obviously, one pattern with counting by 8100s is that the number increases by 8100.

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 1 over and over. The pattern of the last digit when you count by 8100 goes 0 and 0 and so on for as long as you count by 8100.

Why Count by 8100?
We think that understanding and learning about skip counting by 8100 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.

When you count by eight thousand one hundred, you are also creating a list of multiples of 8100 that you can use in math when you need the least common multiple. 8100 times n equals the nth multiple or skip count of 8100.

When you skip count by 8100, you are also creating a list of numbers that 8100 is divisible by. On top of that, skip counting by 8100 is the same as making the 8100 times table.

Skip Counting
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Count by 8101
Here is the next number on our list that we used to skip count.