Count by 1239 (Skip Counting by 1239s)

Count by 1239

Here we will show you how to count by 1239, discuss counting by 1239 patterns, and tell you why knowing how to count by 1239 matters. To start off, note that Count by 1239 means counting in 1239s, or count by one thousand two hundred thirty-nines, and it is also called skip counting by 1239.

How to count by 1239
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 1239, we count 1239, 2478, 3717, 4956, and so on.

In other words, to count in intervals of 1239 or skip counting by 1239, we start with 1239 and then add 1239 to get the next number, and then continue adding 1239 to the previous number to keep counting by 1239, like this:

1239
1239 + 1239 = 2478
2478 + 1239 = 3717
3717 + 1239 = 4956
4956 + 1239 = 6195
...

You can of course skip count by 1239 forever, so it is impossible to make a list of all numbers, but below is a Count by 1239 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 1239, the second column has the next ten numbers you get when you skip count by 1239, and so forth.

Count by 1239 Patterns
We organized the Skip Counting by 1239s 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 1239, but don't have the Counting by 1239s Chart above. Obviously, one pattern with counting by 1239s is that the number increases by 1239.

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 1239 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 1239.

Why Count by 1239?
We think that understanding and learning about skip counting by 1239 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.

When you count by one thousand two hundred thirty-nine, you are also creating a list of multiples of 1239 that you can use in math when you need the least common multiple. 1239 times n equals the nth multiple or skip count of 1239.

When you skip count by 1239, you are also creating a list of numbers that 1239 is divisible by. On top of that, skip counting by 1239 is the same as making the 1239 times table.

Skip Counting
Need to skip count by another number? Enter another number for us to skip count for you.

Count by 1240
Here is the next number on our list that we used to skip count.