Count by 989 (Skip Counting by 989s)

Count by 989

Here we will show you how to count by 989, discuss counting by 989 patterns, and tell you why knowing how to count by 989 matters. To start off, note that Count by 989 means counting in 989s, or count by nine hundred eighty-nines, and it is also called skip counting by 989.

How to count by 989
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 989, we count 989, 1978, 2967, 3956, and so on.

In other words, to count in intervals of 989 or skip counting by 989, we start with 989 and then add 989 to get the next number, and then continue adding 989 to the previous number to keep counting by 989, like this:

989
989 + 989 = 1978
1978 + 989 = 2967
2967 + 989 = 3956
3956 + 989 = 4945
...

You can of course skip count by 989 forever, so it is impossible to make a list of all numbers, but below is a Count by 989 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 989, the second column has the next ten numbers you get when you skip count by 989, and so forth.

Count by 989 Patterns
We organized the Skip Counting by 989s 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 989, but don't have the Counting by 989s Chart above. Obviously, one pattern with counting by 989s is that the number increases by 989.

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 989 goes 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 and 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 and so on for as long as you count by 989.

Why Count by 989?
We think that understanding and learning about skip counting by 989 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 hundred eighty-nine, you are also creating a list of multiples of 989 that you can use in math when you need the least common multiple. 989 times n equals the nth multiple or skip count of 989.

When you skip count by 989, you are also creating a list of numbers that 989 is divisible by. On top of that, skip counting by 989 is the same as making the 989 times table.

Skip Counting
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Count by 990
Here is the next number on our list that we used to skip count.