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Count by 2s from 40 to 56

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 40 to 56.

Count by 2s from 40 to 56

1 Start at 40

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 56.

= 40, 42, 44, 46, 48, 50, 52, 54, 56

4 Check

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

They make a pattern.

Yes!

It works.

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

Let's look back.

First: start at 40.

Then: jump by 2s.

Then: write the numbers.

Last: check.

Answer
= 40, 42, 44, 46, 48, 50, 52, 54, 56

Your turn

Try this one yourself, then check:

Count by 2s from 40 to 54
Show the answer
40, 42, 44, 46, 48, 50, 52, 54

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