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Count by 5s from 15 to 50

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

Step by step

The question

Question: count by 5s from 15 to 50.

Count by 5s from 15 to 50

1 Start at 15

Here is a number line.

2 Jump by 5s

Each jump is 5 more.

We say the number where we land.

3 Write the numbers

Now we write them in a row.

We stop at 50.

= 15, 20, 25, 30, 35, 40, 45, 50

4 Check

Look at the ones digits: 5, 0, then again.

They make a pattern.

Yes!

It works.

ones: 5, 0, 5, 0, 5, 0, 5, 0

Let's look back.

First: start at 15.

Then: jump by 5s.

Then: write the numbers.

Last: check.

Answer
= 15, 20, 25, 30, 35, 40, 45, 50

Your turn

Try this one yourself, then check:

Count by 5s from 25 to 55
Show the answer
25, 30, 35, 40, 45, 50, 55

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