Count by 9917 (Skip Counting by 9917s)

Count by 9917

Here we will show you how to count by 9917, discuss counting by 9917 patterns, and tell you why knowing how to count by 9917 matters. To start off, note that Count by 9917 means counting in 9917s, or count by nine thousand nine hundred seventeens, and it is also called skip counting by 9917.

How to count by 9917
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 9917, we count 9917, 19834, 29751, 39668, and so on.

In other words, to count in intervals of 9917 or skip counting by 9917, we start with 9917 and then add 9917 to get the next number, and then continue adding 9917 to the previous number to keep counting by 9917, like this:

9917
9917 + 9917 = 19834
19834 + 9917 = 29751
29751 + 9917 = 39668
39668 + 9917 = 49585
...

You can of course skip count by 9917 forever, so it is impossible to make a list of all numbers, but below is a Count by 9917 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 9917, the second column has the next ten numbers you get when you skip count by 9917, and so forth.

Count by 9917 Patterns
We organized the Skip Counting by 9917s 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 9917, but don't have the Counting by 9917s Chart above. Obviously, one pattern with counting by 9917s is that the number increases by 9917.

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 9917 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 9917.

Why Count by 9917?
We think that understanding and learning about skip counting by 9917 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 nine hundred seventeen, you are also creating a list of multiples of 9917 that you can use in math when you need the least common multiple. 9917 times n equals the nth multiple or skip count of 9917.

When you skip count by 9917, you are also creating a list of numbers that 9917 is divisible by. On top of that, skip counting by 9917 is the same as making the 9917 times table.

Skip Counting
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Count by 9918
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