Let's solve each addition problem step by step:
---
1.
9000 + 700 + 80 + 7 = ?
Add the numbers:
9000 + 700 = 9700
9700 + 80 = 9780
9780 + 7 =
9787
2.
2000 + 500 + 30 + 9 = ?
2000 + 500 = 2500
2500 + 30 = 2530
2530 + 9 =
2539
3.
4000 + 800 + 50 + 6 = ?
4000 + 800 = 4800
4800 + 50 = 4850
4850 + 6 =
4856
4.
5000 + 200 + 90 + 4 = ?
5000 + 200 = 5200
5200 + 90 = 5290
5290 + 4 =
5294
5.
8000 + 400 + 10 + 4 = ?
8000 + 400 = 8400
8400 + 10 = 8410
8410 + 4 =
8414
6.
3000 + 700 + 30 + 3 = ?
3000 + 700 = 3700
3700 + 30 = 3730
3730 + 3 =
3733
7.
5000 + 600 + 20 + 5 = ?
5000 + 600 = 5600
5600 + 20 = 5620
5620 + 5 =
5625
8.
1000 + 300 + 80 + 2 = ?
1000 + 300 = 1300
1300 + 80 = 1380
1380 + 2 =
1382
9.
6000 + 500 + 90 + 1 = ?
6000 + 500 = 6500
6500 + 90 = 6590
6590 + 1 =
6591
10.
6000 + 800 + 70 + 9 = ?
6000 + 800 = 6800
6800 + 70 = 6870
6870 + 9 =
6879
---
Final Answers:
1. 9787
2. 2539
3. 4856
4. 5294
5. 8414
6. 3733
7. 5625
8. 1382
9. 6591
10. 6879
✔ These are all standard addition problems, breaking down a number into thousands, hundreds, tens, and ones. Adding them sequentially gives the full number.
Let me know if you'd like these written in expanded form or explained further!
Parent Tip: Review the logic above to help your child master the concept of expanded form worksheet for 4th grade.