Count by 921 (Skip Counting by 921s)

Count by 921

Here we will show you how to count by 921, discuss counting by 921 patterns, and tell you why knowing how to count by 921 matters. To start off, note that Count by 921 means counting in 921s, or count by nine hundred twenty-ones, and it is also called skip counting by 921.

How to count by 921
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 921, we count 921, 1842, 2763, 3684, and so on.

In other words, to count in intervals of 921 or skip counting by 921, we start with 921 and then add 921 to get the next number, and then continue adding 921 to the previous number to keep counting by 921, like this:

921
921 + 921 = 1842
1842 + 921 = 2763
2763 + 921 = 3684
3684 + 921 = 4605
...

You can of course skip count by 921 forever, so it is impossible to make a list of all numbers, but below is a Count by 921 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 921, the second column has the next ten numbers you get when you skip count by 921, and so forth.

Count by 921 Patterns
We organized the Skip Counting by 921s 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 921, but don't have the Counting by 921s Chart above. Obviously, one pattern with counting by 921s is that the number increases by 921.

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 921 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 921.

Why Count by 921?
We think that understanding and learning about skip counting by 921 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 hundred twenty-one, you are also creating a list of multiples of 921 that you can use in math when you need the least common multiple. 921 times n equals the nth multiple or skip count of 921.

When you skip count by 921, you are also creating a list of numbers that 921 is divisible by. On top of that, skip counting by 921 is the same as making the 921 times table.

Skip Counting
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Count by 922
Here is the next number on our list that we used to skip count.