# Worksheet: Adding Ones to Three-Digit Numbers

In this worksheet, we will practice modeling adding a one-digit number to a three-digit number and investigate which digits in the number change.

**Q4: **

Look at how Anthony broke apart a number to add.

Add the ones.

.

Add to find the total.

**Q5: **

Matthew spent $213 shopping, and when he came back home, he had only $8. How much did he have before he went shopping?

**Q6: **

Find the result of .

**Q7: **

Find the result of .

**Q8: **

Use the following number line to find .

**Q9: **

Find the result using the following place value table:

**Q10: **

Anthony has 343 stamps. His friend Madison gives him 5 more stamps. How many stamps does Anthony have now?