# Worksheet: Adding One-Digit Numbers by Making Ten

In this worksheet, we will practice adding two one-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: **

Ethan is adding by **making 10**.

Which calculation should he do first?

- A
- B

Which calculation should he do next?

- A
- B

**Q5: **

Olivia 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?

**Q7: **

**Q8: **

- A
- B
- C
- D

**Q9: **

Scarlett added 9 and 7 by making ten. What number is missing from her solution?

**Q10: **

David tried to solve by using the making ten strategy, but he got the answer wrong.

His teacher circled the mistake in his answer. Help him by finding .**Q11: **

Anthony was asked to solve .

He wrote

Is his solution correct?

- AYes
- BNo