Count by 680 (Skip Counting by 680s)

Count by 680

Here we will show you how to count by 680, discuss counting by 680 patterns, and tell you why knowing how to count by 680 matters. To start off, note that Count by 680 means counting in 680s, or count by six hundred eighties, and it is also called skip counting by 680.

How to count by 680
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 680, we count 680, 1360, 2040, 2720, and so on.

In other words, to count in intervals of 680 or skip counting by 680, we start with 680 and then add 680 to get the next number, and then continue adding 680 to the previous number to keep counting by 680, like this:

680
680 + 680 = 1360
1360 + 680 = 2040
2040 + 680 = 2720
2720 + 680 = 3400
...

You can of course skip count by 680 forever, so it is impossible to make a list of all numbers, but below is a Count by 680 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 680, the second column has the next ten numbers you get when you skip count by 680, and so forth.

Count by 680 Patterns
We organized the Skip Counting by 680s 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 680, but don't have the Counting by 680s Chart above. Obviously, one pattern with counting by 680s is that the number increases by 680.

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 680 goes 0 and 0 and so on for as long as you count by 680.

Why Count by 680?
We think that understanding and learning about skip counting by 680 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 eighty, you are also creating a list of multiples of 680 that you can use in math when you need the least common multiple. 680 times n equals the nth multiple or skip count of 680.

When you skip count by 680, you are also creating a list of numbers that 680 is divisible by. On top of that, skip counting by 680 is the same as making the 680 times table.

Skip Counting
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Count by 681
Here is the next number on our list that we used to skip count.