Count by 1609 (Skip Counting by 1609s)

Count by 1609

Here we will show you how to count by 1609, discuss counting by 1609 patterns, and tell you why knowing how to count by 1609 matters. To start off, note that Count by 1609 means counting in 1609s, or count by one thousand six hundred nines, and it is also called skip counting by 1609.

How to count by 1609
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 1609, we count 1609, 3218, 4827, 6436, and so on.

In other words, to count in intervals of 1609 or skip counting by 1609, we start with 1609 and then add 1609 to get the next number, and then continue adding 1609 to the previous number to keep counting by 1609, like this:

1609
1609 + 1609 = 3218
3218 + 1609 = 4827
4827 + 1609 = 6436
6436 + 1609 = 8045
...

You can of course skip count by 1609 forever, so it is impossible to make a list of all numbers, but below is a Count by 1609 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 1609, the second column has the next ten numbers you get when you skip count by 1609, and so forth.

Count by 1609 Patterns
We organized the Skip Counting by 1609s 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 1609, but don't have the Counting by 1609s Chart above. Obviously, one pattern with counting by 1609s is that the number increases by 1609.

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 1609 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 1609.

Why Count by 1609?
We think that understanding and learning about skip counting by 1609 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 six hundred nine, you are also creating a list of multiples of 1609 that you can use in math when you need the least common multiple. 1609 times n equals the nth multiple or skip count of 1609.

When you skip count by 1609, you are also creating a list of numbers that 1609 is divisible by. On top of that, skip counting by 1609 is the same as making the 1609 times table.

Skip Counting
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Count by 1610
Here is the next number on our list that we used to skip count.