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Count by 2s from 6 to 20

Step by step, with the reason for every step · Count by 2s, 5s, 10s · Elementary

Step by step

The question

Question: count by 2s from 6 to 20.

Count by 2s from 6 to 20

1 Start at 6

Here is a number line.

2 Jump by 2s

Each jump is 2 more.

We say the number where we land.

3 Write the numbers

Now we write them in a row.

We stop at 20.

= 6, 8, 10, 12, 14, 16, 18, 20

4 Check

Look at the ones digits: 6, 8, 0, 2, 4, then again.

They make a pattern.

Yes!

It works.

ones: 6, 8, 0, 2, 4, 6, 8, 0

Let's look back.

First: start at 6.

Then: jump by 2s.

Then: write the numbers.

Last: check.

Answer
= 6, 8, 10, 12, 14, 16, 18, 20

Your turn

Try this one yourself, then check:

Count by 2s from 10 to 22
Show the answer
10, 12, 14, 16, 18, 20, 22

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