📊 Part 1: Column Addition Without Regrouping

Remember: Line up the numbers by place value - ones under ones, tens under tens!

1. Solve using column addition:

34 + 25 = _______

2. Solve using column addition:

52 + 16 = _______

3. Solve using column addition:

143 + 235 = _______

4. Solve using column addition:

321 + 147 = _______

🔄 Part 2: Column Addition With Regrouping

Remember: When the sum in a column is 10 or more, carry the ten to the next column!

5. Solve using column addition with regrouping:

47 + 36 = _______

6. Solve using column addition with regrouping:

58 + 27 = _______

7. Solve using column addition with regrouping:

186 + 275 = _______

8. Solve using column addition with regrouping:

394 + 168 = _______

9. At the school fair, Class A raised $148 and Class B raised $275. How much money did they raise altogether?

Answer: $ _______

10. The library has 234 fiction books and 189 non-fiction books. How many books does the library have in total?

Answer: _______ books

11. Explain in your own words what you do when the sum in a column is 10 or more: