Let’s solve each addition problem step by step. We’ll add the three numbers in each equation carefully.
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1. 612 + 512 + 11
First, 612 + 512 = 1124
Then, 1124 + 11 =
1135
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2. 125 + 74 + 95
125 + 74 = 199
199 + 95 =
294
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3. 916 + 51 + 437
916 + 51 = 967
967 + 437 =
1404
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4. 189 + 191 + 96
189 + 191 = 380
380 + 96 =
476
---
5. 729 + 48 + 211
729 + 48 = 777
777 + 211 =
988
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6. 139 + 92 + 164
139 + 92 = 231
231 + 164 =
395
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7. 82 + 617 + 429
82 + 617 = 699
699 + 429 =
1128
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8. 362 + 14 + 66
362 + 14 = 376
376 + 66 =
442
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9. 825 + 131 + 77
825 + 131 = 956
956 + 77 =
1033
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10. 72 + 436 + 85
72 + 436 = 508
508 + 85 =
593
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11. 906 + 59 + 412
906 + 59 = 965
965 + 412 =
1377
---
12. 25 + 63 + 457
25 + 63 = 88
88 + 457 =
545
---
13. 638 + 802 + 55
638 + 802 = 1440
1440 + 55 =
1495
---
14. 217 + 306 + 74
217 + 306 = 523
523 + 74 =
597
---
15. 435 + 128 + 65
435 + 128 = 563
563 + 65 =
628
---
16. 568 + 219 + 18
568 + 219 = 787
787 + 18 =
805
---
17. 76 + 142 + 93
76 + 142 = 218
218 + 93 =
311
---
18. 928 + 52 + 41
928 + 52 = 980
980 + 41 =
1021
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19. 687 + 36 + 47
687 + 36 = 723
723 + 47 =
770
---
20. 819 + 25 + 36
819 + 25 = 844
844 + 36 =
880
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Final Answer:
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
Parent Tip: Review the logic above to help your child master the concept of algebra for 6th grade worksheet.
