Workbook Detail
Addition Addition Three Digit — Set 11
677 + 321 = ___
Show answer
Answer: 998
- Operand1
- 677
- Operand2
- 321
- Operator
- +
605 + 100 = ___
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Answer: 705
- Operand1
- 605
- Operand2
- 100
- Operator
- +
104 + 460 = ___
Show answer
Answer: 564
- Operand1
- 104
- Operand2
- 460
- Operator
- +
407 + 132 = ___
Show answer
Answer: 539
- Operand1
- 407
- Operand2
- 132
- Operator
- +
550 + 336 = ___
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Answer: 886
- Operand1
- 550
- Operand2
- 336
- Operator
- +
151 + 700 = ___
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Answer: 851
- Operand1
- 151
- Operand2
- 700
- Operator
- +
352 + 220 = ___
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Answer: 572
- Operand1
- 352
- Operand2
- 220
- Operator
- +
601 + 190 = ___
Show answer
Answer: 791
- Operand1
- 601
- Operand2
- 190
- Operator
- +
244 + 123 = ___
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Answer: 367
- Operand1
- 244
- Operand2
- 123
- Operator
- +
331 + 355 = ___
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Answer: 686
- Operand1
- 331
- Operand2
- 355
- Operator
- +
502 + 230 = ___
Show answer
Answer: 732
- Operand1
- 502
- Operand2
- 230
- Operator
- +
115 + 400 = ___
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Answer: 515
- Operand1
- 115
- Operand2
- 400
- Operator
- +
242 + 336 = ___
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Answer: 578
- Operand1
- 242
- Operand2
- 336
- Operator
- +
211 + 572 = ___
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Answer: 783
- Operand1
- 211
- Operand2
- 572
- Operator
- +
136 + 241 = ___
Show answer
Answer: 377
- Operand1
- 136
- Operand2
- 241
- Operator
- +
437 + 302 = ___
Show answer
Answer: 739
- Operand1
- 437
- Operand2
- 302
- Operator
- +
674 + 105 = ___
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Answer: 779
- Operand1
- 674
- Operand2
- 105
- Operator
- +
608 + 360 = ___
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Answer: 968
- Operand1
- 608
- Operand2
- 360
- Operator
- +
275 + 412 = ___
Show answer
Answer: 687
- Operand1
- 275
- Operand2
- 412
- Operator
- +
331 + 518 = ___
Show answer
Answer: 849
- Operand1
- 331
- Operand2
- 518
- 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.