# Worksheet: Adding Ones to Two-Digit Numbers without Regrouping

In this worksheet, we will practice adding a one-digit number to a two-digit number without crossing a ten and model this with place value equipment.

**Q2: **

There should be the same number of blocks on each side of the equal sign. How many blocks should be in the empty square?

**Q4: **

Find the missing number to make the equation correct.

**Q5: **

Is , or ?

- A
- B
- C

**Q8: **

**Q9: **

Find the missing number to make the equation correct.

**Q10: **

Find the missing number.

**Q11: **

Find the missing number in the following: