Count by 8090 (Skip Counting by 8090s)

Count by 8090

Here we will show you how to count by 8090, discuss counting by 8090 patterns, and tell you why knowing how to count by 8090 matters. To start off, note that Count by 8090 means counting in 8090s, or count by eight thousand nineties, and it is also called skip counting by 8090.

How to count by 8090
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 8090, we count 8090, 16180, 24270, 32360, and so on.

In other words, to count in intervals of 8090 or skip counting by 8090, we start with 8090 and then add 8090 to get the next number, and then continue adding 8090 to the previous number to keep counting by 8090, like this:

8090
8090 + 8090 = 16180
16180 + 8090 = 24270
24270 + 8090 = 32360
32360 + 8090 = 40450
...

You can of course skip count by 8090 forever, so it is impossible to make a list of all numbers, but below is a Count by 8090 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 8090, the second column has the next ten numbers you get when you skip count by 8090, and so forth.

Count by 8090 Patterns
We organized the Skip Counting by 8090s 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 8090, but don't have the Counting by 8090s Chart above. Obviously, one pattern with counting by 8090s is that the number increases by 8090.

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 8090 goes 0 and 0 and so on for as long as you count by 8090.

Why Count by 8090?
We think that understanding and learning about skip counting by 8090 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 ninety, you are also creating a list of multiples of 8090 that you can use in math when you need the least common multiple. 8090 times n equals the nth multiple or skip count of 8090.

When you skip count by 8090, you are also creating a list of numbers that 8090 is divisible by. On top of that, skip counting by 8090 is the same as making the 8090 times table.

Skip Counting
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Count by 8091
Here is the next number on our list that we used to skip count.