Workbook Detail
Addition Addition Three Digit — Set 56
430 + 446 = ___
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Answer: 876
- Operand1
- 430
- Operand2
- 446
- Operator
- +
122 + 866 = ___
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Answer: 988
- Operand1
- 122
- Operand2
- 866
- Operator
- +
338 + 531 = ___
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Answer: 869
- Operand1
- 338
- Operand2
- 531
- Operator
- +
254 + 632 = ___
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Answer: 886
- Operand1
- 254
- Operand2
- 632
- Operator
- +
217 + 511 = ___
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Answer: 728
- Operand1
- 217
- Operand2
- 511
- Operator
- +
273 + 612 = ___
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Answer: 885
- Operand1
- 273
- Operand2
- 612
- Operator
- +
147 + 102 = ___
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Answer: 249
- Operand1
- 147
- Operand2
- 102
- Operator
- +
302 + 674 = ___
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Answer: 976
- Operand1
- 302
- Operand2
- 674
- Operator
- +
643 + 114 = ___
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Answer: 757
- Operand1
- 643
- Operand2
- 114
- Operator
- +
413 + 550 = ___
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Answer: 963
- Operand1
- 413
- Operand2
- 550
- Operator
- +
200 + 478 = ___
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Answer: 678
- Operand1
- 200
- Operand2
- 478
- Operator
- +
311 + 443 = ___
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Answer: 754
- Operand1
- 311
- Operand2
- 443
- Operator
- +
406 + 542 = ___
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Answer: 948
- Operand1
- 406
- Operand2
- 542
- Operator
- +
821 + 114 = ___
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Answer: 935
- Operand1
- 821
- Operand2
- 114
- Operator
- +
433 + 201 = ___
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Answer: 634
- Operand1
- 433
- Operand2
- 201
- Operator
- +
630 + 235 = ___
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Answer: 865
- Operand1
- 630
- Operand2
- 235
- Operator
- +
218 + 341 = ___
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Answer: 559
- Operand1
- 218
- Operand2
- 341
- Operator
- +
117 + 410 = ___
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Answer: 527
- Operand1
- 117
- Operand2
- 410
- Operator
- +
350 + 536 = ___
Show answer
Answer: 886
- Operand1
- 350
- Operand2
- 536
- Operator
- +
422 + 226 = ___
Show answer
Answer: 648
- Operand1
- 422
- Operand2
- 226
- Operator
- +
Teaching Notes
Download this free addition three digit math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a three digit set.
- Print or use on-screen.
- Check answers and practice again.
Tips
- Start with easier sets and move up gradually.
- Practice in short sessions (10–15 minutes).
- Review mistakes and redo similar problems.
Frequently Asked Questions
How do I use this Addition Three Digit Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.