Workbook Detail
Addition Addition Three Digit — Set 79
732 + 231 = ___
Show answer
Answer: 963
- Operand1
- 732
- Operand2
- 231
- Operator
- +
636 + 331 = ___
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Answer: 967
- Operand1
- 636
- Operand2
- 331
- Operator
- +
338 + 520 = ___
Show answer
Answer: 858
- Operand1
- 338
- Operand2
- 520
- Operator
- +
613 + 256 = ___
Show answer
Answer: 869
- Operand1
- 613
- Operand2
- 256
- Operator
- +
131 + 301 = ___
Show answer
Answer: 432
- Operand1
- 131
- Operand2
- 301
- Operator
- +
105 + 892 = ___
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Answer: 997
- Operand1
- 105
- Operand2
- 892
- Operator
- +
531 + 430 = ___
Show answer
Answer: 961
- Operand1
- 531
- Operand2
- 430
- Operator
- +
210 + 527 = ___
Show answer
Answer: 737
- Operand1
- 210
- Operand2
- 527
- Operator
- +
311 + 148 = ___
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Answer: 459
- Operand1
- 311
- Operand2
- 148
- Operator
- +
338 + 510 = ___
Show answer
Answer: 848
- Operand1
- 338
- Operand2
- 510
- Operator
- +
102 + 712 = ___
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Answer: 814
- Operand1
- 102
- Operand2
- 712
- Operator
- +
642 + 304 = ___
Show answer
Answer: 946
- Operand1
- 642
- Operand2
- 304
- Operator
- +
725 + 224 = ___
Show answer
Answer: 949
- Operand1
- 725
- Operand2
- 224
- Operator
- +
425 + 214 = ___
Show answer
Answer: 639
- Operand1
- 425
- Operand2
- 214
- Operator
- +
103 + 754 = ___
Show answer
Answer: 857
- Operand1
- 103
- Operand2
- 754
- Operator
- +
400 + 463 = ___
Show answer
Answer: 863
- Operand1
- 400
- Operand2
- 463
- Operator
- +
313 + 622 = ___
Show answer
Answer: 935
- Operand1
- 313
- Operand2
- 622
- Operator
- +
420 + 420 = ___
Show answer
Answer: 840
- Operand1
- 420
- Operand2
- 420
- 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.