A number increased by 9

Step by step

The question

Question: write with math signs: a number increased by 9.

1 Change words to math

2 Put it in order

So we get n + 9.

3 Check

Let's check with a number.

Say the number is 10.

10 increased by 9 is 19.

And 10 + 9 is 19 too.

So n + 9 is right!

Let's look back.

First: change words to math.

Then: put it in order.

Last: check.