Solve 99 = □ tens □ ones

Step by step

The question

Question: 99 is how many tens and how many ones?

1 Show it with blocks

A ten is 10 ones stuck together.

We count the tens, then the ones.

2 Write the number

In 99, the 9 is in the tens place.

The 9 is in the ones place.

So 99 is 9 tens and 9 ones.

3 Check

9 tens is 90.

90 and 9 make 99.

Yes!

It works.

Let's look back.

First: show it with blocks.

Then: write the number.

Last: check.