Count by 389
Here we will show you how to count by 389, discuss counting by 389 patterns, and tell you why knowing how to count by 389 matters. To start off, note that Count by 389 means counting in 389s, or count by three hundred eighty-nines, and it is also called skip counting by 389.
How to count by 389
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 389, we count 389, 778, 1167, 1556, and so on.
In other words, to count in intervals of 389 or skip counting by 389, we start with 389 and then add 389 to get the next number, and then continue adding 389 to the previous number to keep counting by 389, like this:
389
389 + 389 = 778
778 + 389 = 1167
1167 + 389 = 1556
1556 + 389 = 1945
...
You can of course skip count by 389 forever, so it is impossible to make a list of all numbers, but below is a Count by 389 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 389, the second column has the next ten numbers you get when you skip count by 389, and so forth.
Count by 389 Patterns
We organized the Skip Counting by 389s 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 389, but don't have the Counting by 389s Chart above. Obviously, one pattern with counting by 389s is that the number increases by 389.
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 389 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 389.
Why Count by 389?
We think that understanding and learning about skip counting by 389 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.
When you count by three hundred eighty-nine, you are also creating a list of multiples of 389 that you can use in math when you need the least common multiple. 389 times n equals the nth multiple or skip count of 389.
When you skip count by 389, you are also creating a list of numbers that 389 is divisible by. On top of that, skip counting by 389 is the same as making the 389 times table.
Skip Counting
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Count by 390
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