# Worksheet: Addition of Two One-Digit Numbers

In this worksheet, we will practice using ten frames to add two single-digit numbers by first making ten.

**Q3: **

One way to make addition easier is to use addition facts that we already know.

Let us try to find by first making 10.

We need to add 3 more to 7 to make 10. So move 3 green squares over.

Now we have the same number of squares, but there are 10 in the first ten-frame, and 5 in the second.

So is the same as which makes 15.

Now you have a go. What is ?

**Q4: **

Sherif is adding by **making 10**.

Which calculation should he do first?

- A
- B

Which calculation should he do next?

- A
- B

**Q5: **

Dalia added 7 and 6 by first **making 10**.

Now, she wants to add 8 and 7.

Which number should she write in the blue circle?

Which number should she write in the red circle?

What is 8 + 7?

**Q6: **

There are 10 fish. Fill in the numbers to find another way to make 10.