Count by 9985 (Skip Counting by 9985s)

Count by 9985

Here we will show you how to count by 9985, discuss counting by 9985 patterns, and tell you why knowing how to count by 9985 matters. To start off, note that Count by 9985 means counting in 9985s, or count by nine thousand nine hundred eighty-fives, and it is also called skip counting by 9985.

How to count by 9985
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 9985, we count 9985, 19970, 29955, 39940, and so on.

In other words, to count in intervals of 9985 or skip counting by 9985, we start with 9985 and then add 9985 to get the next number, and then continue adding 9985 to the previous number to keep counting by 9985, like this:

9985
9985 + 9985 = 19970
19970 + 9985 = 29955
29955 + 9985 = 39940
39940 + 9985 = 49925
...

You can of course skip count by 9985 forever, so it is impossible to make a list of all numbers, but below is a Count by 9985 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 9985, the second column has the next ten numbers you get when you skip count by 9985, and so forth.

Count by 9985 Patterns
We organized the Skip Counting by 9985s 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 9985, but don't have the Counting by 9985s Chart above. Obviously, one pattern with counting by 9985s is that the number increases by 9985.

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 2 over and over. The pattern of the last digit when you count by 9985 goes 5, 0 and 5, 0 and so on for as long as you count by 9985.

Why Count by 9985?
We think that understanding and learning about skip counting by 9985 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 eighty-five, you are also creating a list of multiples of 9985 that you can use in math when you need the least common multiple. 9985 times n equals the nth multiple or skip count of 9985.

When you skip count by 9985, you are also creating a list of numbers that 9985 is divisible by. On top of that, skip counting by 9985 is the same as making the 9985 times table.

Skip Counting
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Count by 9986
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