Workbook Detail
Addition Addition Three Digit — Set 91
362 + 523 = ___
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Answer: 885
- Operand1
- 362
- Operand2
- 523
- Operator
- +
306 + 653 = ___
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Answer: 959
- Operand1
- 306
- Operand2
- 653
- Operator
- +
220 + 435 = ___
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Answer: 655
- Operand1
- 220
- Operand2
- 435
- Operator
- +
644 + 135 = ___
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Answer: 779
- Operand1
- 644
- Operand2
- 135
- Operator
- +
600 + 366 = ___
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Answer: 966
- Operand1
- 600
- Operand2
- 366
- Operator
- +
460 + 522 = ___
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Answer: 982
- Operand1
- 460
- Operand2
- 522
- Operator
- +
517 + 201 = ___
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Answer: 718
- Operand1
- 517
- Operand2
- 201
- Operator
- +
105 + 602 = ___
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Answer: 707
- Operand1
- 105
- Operand2
- 602
- Operator
- +
316 + 610 = ___
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Answer: 926
- Operand1
- 316
- Operand2
- 610
- Operator
- +
371 + 113 = ___
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Answer: 484
- Operand1
- 371
- Operand2
- 113
- Operator
- +
401 + 440 = ___
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Answer: 841
- Operand1
- 401
- Operand2
- 440
- Operator
- +
870 + 121 = ___
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Answer: 991
- Operand1
- 870
- Operand2
- 121
- Operator
- +
314 + 200 = ___
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Answer: 514
- Operand1
- 314
- Operand2
- 200
- Operator
- +
450 + 444 = ___
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Answer: 894
- Operand1
- 450
- Operand2
- 444
- Operator
- +
420 + 509 = ___
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Answer: 929
- Operand1
- 420
- Operand2
- 509
- Operator
- +
431 + 144 = ___
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Answer: 575
- Operand1
- 431
- Operand2
- 144
- Operator
- +
701 + 242 = ___
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Answer: 943
- Operand1
- 701
- Operand2
- 242
- Operator
- +
523 + 410 = ___
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Answer: 933
- Operand1
- 523
- Operand2
- 410
- Operator
- +
315 + 300 = ___
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Answer: 615
- Operand1
- 315
- Operand2
- 300
- Operator
- +
123 + 556 = ___
Show answer
Answer: 679
- Operand1
- 123
- Operand2
- 556
- 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.