Workbook Detail
Addition Addition Three Digit — Set 26
116 + 653 = ___
Show answer
Answer: 769
- Operand1
- 116
- Operand2
- 653
- Operator
- +
410 + 335 = ___
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Answer: 745
- Operand1
- 410
- Operand2
- 335
- Operator
- +
550 + 415 = ___
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Answer: 965
- Operand1
- 550
- Operand2
- 415
- Operator
- +
156 + 103 = ___
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Answer: 259
- Operand1
- 156
- Operand2
- 103
- Operator
- +
171 + 624 = ___
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Answer: 795
- Operand1
- 171
- Operand2
- 624
- Operator
- +
106 + 451 = ___
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Answer: 557
- Operand1
- 106
- Operand2
- 451
- Operator
- +
322 + 552 = ___
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Answer: 874
- Operand1
- 322
- Operand2
- 552
- Operator
- +
523 + 375 = ___
Show answer
Answer: 898
- Operand1
- 523
- Operand2
- 375
- Operator
- +
213 + 550 = ___
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Answer: 763
- Operand1
- 213
- Operand2
- 550
- Operator
- +
181 + 410 = ___
Show answer
Answer: 591
- Operand1
- 181
- Operand2
- 410
- Operator
- +
760 + 133 = ___
Show answer
Answer: 893
- Operand1
- 760
- Operand2
- 133
- Operator
- +
434 + 253 = ___
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Answer: 687
- Operand1
- 434
- Operand2
- 253
- Operator
- +
323 + 174 = ___
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Answer: 497
- Operand1
- 323
- Operand2
- 174
- Operator
- +
224 + 311 = ___
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Answer: 535
- Operand1
- 224
- Operand2
- 311
- Operator
- +
696 + 301 = ___
Show answer
Answer: 997
- Operand1
- 696
- Operand2
- 301
- Operator
- +
320 + 455 = ___
Show answer
Answer: 775
- Operand1
- 320
- Operand2
- 455
- Operator
- +
441 + 121 = ___
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Answer: 562
- Operand1
- 441
- Operand2
- 121
- Operator
- +
261 + 116 = ___
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Answer: 377
- Operand1
- 261
- Operand2
- 116
- Operator
- +
732 + 242 = ___
Show answer
Answer: 974
- Operand1
- 732
- Operand2
- 242
- Operator
- +
333 + 113 = ___
Show answer
Answer: 446
- Operand1
- 333
- Operand2
- 113
- 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.