Count by 9100 (Skip Counting by 9100s)

Count by 9100

Here we will show you how to count by 9100, discuss counting by 9100 patterns, and tell you why knowing how to count by 9100 matters. To start off, note that Count by 9100 means counting in 9100s, or count by nine thousand one hundreds, and it is also called skip counting by 9100.

How to count by 9100
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 9100, we count 9100, 18200, 27300, 36400, and so on.

In other words, to count in intervals of 9100 or skip counting by 9100, we start with 9100 and then add 9100 to get the next number, and then continue adding 9100 to the previous number to keep counting by 9100, like this:

9100
9100 + 9100 = 18200
18200 + 9100 = 27300
27300 + 9100 = 36400
36400 + 9100 = 45500
...

You can of course skip count by 9100 forever, so it is impossible to make a list of all numbers, but below is a Count by 9100 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 9100, the second column has the next ten numbers you get when you skip count by 9100, and so forth.

Count by 9100 Patterns
We organized the Skip Counting by 9100s 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 9100, but don't have the Counting by 9100s Chart above. Obviously, one pattern with counting by 9100s is that the number increases by 9100.

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 9100 goes 0 and 0 and so on for as long as you count by 9100.

Why Count by 9100?
We think that understanding and learning about skip counting by 9100 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 one hundred, you are also creating a list of multiples of 9100 that you can use in math when you need the least common multiple. 9100 times n equals the nth multiple or skip count of 9100.

When you skip count by 9100, you are also creating a list of numbers that 9100 is divisible by. On top of that, skip counting by 9100 is the same as making the 9100 times table.

Skip Counting
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Count by 9101
Here is the next number on our list that we used to skip count.