Calculate 300 + 40 + 7

Step by step

The question

Question: what number is 300 + 40 + 7?

1 Put each part in the chart

Here is a place-value chart.

300 is 3 hundreds.

The 3 goes in the hundreds.

40 is 4 tens.

The 4 goes in the tens.

7 is 7 ones.

The 7 goes in the ones.

2 Read the number

So the number is 347.

3 Check

We split it again: 347 is 300 and 40 and 7.

Yes!

It works.

Let's look back.

First: put each part in the chart.

Then: read the number.

Last: check.