6th Grade Math Worksheets - Free Printable

The task involves solving a series of addition problems. Below, I will solve each equation step by step.

---

Problem 1: \( 612 + 512 + 11 \)

1. Add \( 612 + 512 \):
\[
612 + 512 = 1124
\]
2. Add the result to \( 11 \):
\[
1124 + 11 = 1135
\]
Answer: \( 1135 \)

---

Problem 2: \( 125 + 74 + 95 \)

1. Add \( 125 + 74 \):
\[
125 + 74 = 199
\]
2. Add the result to \( 95 \):
\[
199 + 95 = 294
\]
Answer: \( 294 \)

---

Problem 3: \( 916 + 51 + 437 \)

1. Add \( 916 + 51 \):
\[
916 + 51 = 967
\]
2. Add the result to \( 437 \):
\[
967 + 437 = 1404
\]
Answer: \( 1404 \)

---

Problem 4: \( 189 + 191 + 96 \)

1. Add \( 189 + 191 \):
\[
189 + 191 = 380
\]
2. Add the result to \( 96 \):
\[
380 + 96 = 476
\]
Answer: \( 476 \)

---

Problem 5: \( 729 + 48 + 211 \)

1. Add \( 729 + 48 \):
\[
729 + 48 = 777
\]
2. Add the result to \( 211 \):
\[
777 + 211 = 988
\]
Answer: \( 988 \)

---

Problem 6: \( 139 + 92 + 164 \)

1. Add \( 139 + 92 \):
\[
139 + 92 = 231
\]
2. Add the result to \( 164 \):
\[
231 + 164 = 395
\]
Answer: \( 395 \)

---

Problem 7: \( 82 + 617 + 429 \)

1. Add \( 82 + 617 \):
\[
82 + 617 = 699
\]
2. Add the result to \( 429 \):
\[
699 + 429 = 1128
\]
Answer: \( 1128 \)

---

Problem 8: \( 362 + 14 + 66 \)

1. Add \( 362 + 14 \):
\[
362 + 14 = 376
\]
2. Add the result to \( 66 \):
\[
376 + 66 = 442
\]
Answer: \( 442 \)

---

Problem 9: \( 825 + 131 + 77 \)

1. Add \( 825 + 131 \):
\[
825 + 131 = 956
\]
2. Add the result to \( 77 \):
\[
956 + 77 = 1033
\]
Answer: \( 1033 \)

---

Problem 10: \( 72 + 436 + 85 \)

1. Add \( 72 + 436 \):
\[
72 + 436 = 508
\]
2. Add the result to \( 85 \):
\[
508 + 85 = 593
\]
Answer: \( 593 \)

---

Problem 11: \( 906 + 59 + 412 \)

1. Add \( 906 + 59 \):
\[
906 + 59 = 965
\]
2. Add the result to \( 412 \):
\[
965 + 412 = 1377
\]
Answer: \( 1377 \)

---

Problem 12: \( 25 + 63 + 457 \)

1. Add \( 25 + 63 \):
\[
25 + 63 = 88
\]
2. Add the result to \( 457 \):
\[
88 + 457 = 545
\]
Answer: \( 545 \)

---

Problem 13: \( 638 + 802 + 55 \)

1. Add \( 638 + 802 \):
\[
638 + 802 = 1440
\]
2. Add the result to \( 55 \):
\[
1440 + 55 = 1495
\]
Answer: \( 1495 \)

---

Problem 14: \( 217 + 306 + 74 \)

1. Add \( 217 + 306 \):
\[
217 + 306 = 523
\]
2. Add the result to \( 74 \):
\[
523 + 74 = 597
\]
Answer: \( 597 \)

---

Problem 15: \( 435 + 128 + 65 \)

1. Add \( 435 + 128 \):
\[
435 + 128 = 563
\]
2. Add the result to \( 65 \):
\[
563 + 65 = 628
\]
Answer: \( 628 \)

---

Problem 16: \( 568 + 219 + 18 \)

1. Add \( 568 + 219 \):
\[
568 + 219 = 787
\]
2. Add the result to \( 18 \):
\[
787 + 18 = 805
\]
Answer: \( 805 \)

---

Problem 17: \( 76 + 142 + 93 \)

1. Add \( 76 + 142 \):
\[
76 + 142 = 218
\]
2. Add the result to \( 93 \):
\[
218 + 93 = 311
\]
Answer: \( 311 \)

---

Problem 18: \( 928 + 52 + 41 \)

1. Add \( 928 + 52 \):
\[
928 + 52 = 980
\]
2. Add the result to \( 41 \):
\[
980 + 41 = 1021
\]
Answer: \( 1021 \)

---

Problem 19: \( 687 + 36 + 47 \)

1. Add \( 687 + 36 \):
\[
687 + 36 = 723
\]
2. Add the result to \( 47 \):
\[
723 + 47 = 770
\]
Answer: \( 770 \)

---

Problem 20: \( 819 + 25 + 36 \)

1. Add \( 819 + 25 \):
\[
819 + 25 = 844
\]
2. Add the result to \( 36 \):
\[
844 + 36 = 880
\]
Answer: \( 880 \)

---

Final Answers:

\[
\boxed{
\begin{array}{ll}
1. & 1135 \\
2. & 294 \\
3. & 1404 \\
4. & 476 \\
5. & 988 \\
6. & 395 \\
7. & 1128 \\
8. & 442 \\
9. & 1033 \\
10. & 593 \\
11. & 1377 \\
12. & 545 \\
13. & 1495 \\
14. & 597 \\
15. & 628 \\
16. & 805 \\
17. & 311 \\
18. & 1021 \\
19. & 770 \\
20. & 880 \\
\end{array}
}
\]