Count by 251 (Skip Counting by 251s)

Count by 251

Here we will show you how to count by 251, discuss counting by 251 patterns, and tell you why knowing how to count by 251 matters. To start off, note that Count by 251 means counting in 251s, or count by two hundred fifty-ones, and it is also called skip counting by 251.

How to count by 251
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 251, we count 251, 502, 753, 1004, and so on.

In other words, to count in intervals of 251 or skip counting by 251, we start with 251 and then add 251 to get the next number, and then continue adding 251 to the previous number to keep counting by 251, like this:

251
251 + 251 = 502
502 + 251 = 753
753 + 251 = 1004
1004 + 251 = 1255
...

You can of course skip count by 251 forever, so it is impossible to make a list of all numbers, but below is a Count by 251 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 251, the second column has the next ten numbers you get when you skip count by 251, and so forth.

Count by 251 Patterns
We organized the Skip Counting by 251s 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 251, but don't have the Counting by 251s Chart above. Obviously, one pattern with counting by 251s is that the number increases by 251.

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 251 goes 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 and 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 and so on for as long as you count by 251.

Why Count by 251?
We think that understanding and learning about skip counting by 251 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.

When you count by two hundred fifty-one, you are also creating a list of multiples of 251 that you can use in math when you need the least common multiple. 251 times n equals the nth multiple or skip count of 251.

When you skip count by 251, you are also creating a list of numbers that 251 is divisible by. On top of that, skip counting by 251 is the same as making the 251 times table.

Skip Counting
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Count by 252
Here is the next number on our list that we used to skip count.