Count by 217 (Skip Counting by 217s)

Count by 217

Here we will show you how to count by 217, discuss counting by 217 patterns, and tell you why knowing how to count by 217 matters. To start off, note that Count by 217 means counting in 217s, or count by two hundred seventeens, and it is also called skip counting by 217.

How to count by 217
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 217, we count 217, 434, 651, 868, and so on.

In other words, to count in intervals of 217 or skip counting by 217, we start with 217 and then add 217 to get the next number, and then continue adding 217 to the previous number to keep counting by 217, like this:

217
217 + 217 = 434
434 + 217 = 651
651 + 217 = 868
868 + 217 = 1085
...

You can of course skip count by 217 forever, so it is impossible to make a list of all numbers, but below is a Count by 217 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 217, the second column has the next ten numbers you get when you skip count by 217, and so forth.

Count by 217 Patterns
We organized the Skip Counting by 217s 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 217, but don't have the Counting by 217s Chart above. Obviously, one pattern with counting by 217s is that the number increases by 217.

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 217 goes 7, 4, 1, 8, 5, 2, 9, 6, 3, 0 and 7, 4, 1, 8, 5, 2, 9, 6, 3, 0 and so on for as long as you count by 217.

Why Count by 217?
We think that understanding and learning about skip counting by 217 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.

When you count by two hundred seventeen, you are also creating a list of multiples of 217 that you can use in math when you need the least common multiple. 217 times n equals the nth multiple or skip count of 217.

When you skip count by 217, you are also creating a list of numbers that 217 is divisible by. On top of that, skip counting by 217 is the same as making the 217 times table.

Skip Counting
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Count by 218
Here is the next number on our list that we used to skip count.