Count by 7070 (Skip Counting by 7070s)

Count by 7070

Here we will show you how to count by 7070, discuss counting by 7070 patterns, and tell you why knowing how to count by 7070 matters. To start off, note that Count by 7070 means counting in 7070s, or count by seven thousand seventies, and it is also called skip counting by 7070.

How to count by 7070
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 7070, we count 7070, 14140, 21210, 28280, and so on.

In other words, to count in intervals of 7070 or skip counting by 7070, we start with 7070 and then add 7070 to get the next number, and then continue adding 7070 to the previous number to keep counting by 7070, like this:

7070
7070 + 7070 = 14140
14140 + 7070 = 21210
21210 + 7070 = 28280
28280 + 7070 = 35350
...

You can of course skip count by 7070 forever, so it is impossible to make a list of all numbers, but below is a Count by 7070 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 7070, the second column has the next ten numbers you get when you skip count by 7070, and so forth.

Count by 7070 Patterns
We organized the Skip Counting by 7070s 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 7070, but don't have the Counting by 7070s Chart above. Obviously, one pattern with counting by 7070s is that the number increases by 7070.

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 1 over and over. The pattern of the last digit when you count by 7070 goes 0 and 0 and so on for as long as you count by 7070.

Why Count by 7070?
We think that understanding and learning about skip counting by 7070 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.

When you count by seven thousand seventy, you are also creating a list of multiples of 7070 that you can use in math when you need the least common multiple. 7070 times n equals the nth multiple or skip count of 7070.

When you skip count by 7070, you are also creating a list of numbers that 7070 is divisible by. On top of that, skip counting by 7070 is the same as making the 7070 times table.

Skip Counting
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Count by 7071
Here is the next number on our list that we used to skip count.