Math worksheet for practicing addition of numbers up to thousands and thousandths.

I'll solve each addition problem step by step, being careful with decimal alignment.

Let me work through all 20 problems:

Problem 1:
6,783 + 4,319 = 11,102

Problem 2:
54.38 + 32.74 = 87.12

Problem 3:
291.3 + 525.9 = 817.2

Problem 4:
5,482.2 + 6,502.6 = 11,984.8

Problem 5:
6,253.25 + 4,663.12 = 10,916.37

Problem 6:
14,389 + 4,584 = 18,973

Problem 7:
56.329 + 37.391 = 93.720

Problem 8:
204.54 + 814.33 = 1,018.87

Problem 9:
10,453.8 + 7,492.3 = 17,946.1

Problem 10:
9,423.21 + 5,392.32 = 14,815.53

Problem 11:
134.192 + 541.783 = 675.975

Problem 12:
603.23 + 761.34 = 1,364.57

Problem 13:
913.221 + 471.561 = 1,384.782

Problem 14:
321.653 + 725.253 = 1,046.906

Problem 15:
5,392.291 + 3,582.014 = 8,974.305

Problem 16:
6,429.3 + 1,323.5 = 7,752.8

Problem 17:
93,629.2 + 45,209.5 = 138,838.7

Problem 18:
893.23 + 534.33 = 1,427.56

Problem 19:
7,329.65 + 3,293.54 = 10,623.19

Problem 20:
5,390.891 + 3,512.111 = 8,903.002

Final Answer:
1. 11,102
2. 87.12
3. 817.2
4. 11,984.8
5. 10,916.37
6. 18,973
7. 93.72
8. 1,018.87
9. 17,946.1
10. 14,815.53
11. 675.975
12. 1,364.57
13. 1,384.782
14. 1,046.906
15. 8,974.305
16. 7,752.8
17. 138,838.7
18. 1,427.56
19. 10,623.19
20. 8,903.002