Count by 668 (Skip Counting by 668s)

Count by 668

Here we will show you how to count by 668, discuss counting by 668 patterns, and tell you why knowing how to count by 668 matters. To start off, note that Count by 668 means counting in 668s, or count by six hundred sixty-eights, and it is also called skip counting by 668.

How to count by 668
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 668, we count 668, 1336, 2004, 2672, and so on.

In other words, to count in intervals of 668 or skip counting by 668, we start with 668 and then add 668 to get the next number, and then continue adding 668 to the previous number to keep counting by 668, like this:

668
668 + 668 = 1336
1336 + 668 = 2004
2004 + 668 = 2672
2672 + 668 = 3340
...

You can of course skip count by 668 forever, so it is impossible to make a list of all numbers, but below is a Count by 668 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 668, the second column has the next ten numbers you get when you skip count by 668, and so forth.

Count by 668 Patterns
We organized the Skip Counting by 668s 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 668, but don't have the Counting by 668s Chart above. Obviously, one pattern with counting by 668s is that the number increases by 668.

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 5 over and over. The pattern of the last digit when you count by 668 goes 8, 6, 4, 2, 0 and 8, 6, 4, 2, 0 and so on for as long as you count by 668.

Why Count by 668?
We think that understanding and learning about skip counting by 668 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.

When you count by six hundred sixty-eight, you are also creating a list of multiples of 668 that you can use in math when you need the least common multiple. 668 times n equals the nth multiple or skip count of 668.

When you skip count by 668, you are also creating a list of numbers that 668 is divisible by. On top of that, skip counting by 668 is the same as making the 668 times table.

Skip Counting
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Count by 669
Here is the next number on our list that we used to skip count.