Workbook Detail
Addition Addition Three Digit — Set 88
200 + 394 = ___
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Answer: 594
- Operand1
- 200
- Operand2
- 394
- Operator
- +
621 + 255 = ___
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Answer: 876
- Operand1
- 621
- Operand2
- 255
- Operator
- +
762 + 237 = ___
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Answer: 999
- Operand1
- 762
- Operand2
- 237
- Operator
- +
538 + 410 = ___
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Answer: 948
- Operand1
- 538
- Operand2
- 410
- Operator
- +
323 + 372 = ___
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Answer: 695
- Operand1
- 323
- Operand2
- 372
- Operator
- +
512 + 201 = ___
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Answer: 713
- Operand1
- 512
- Operand2
- 201
- Operator
- +
205 + 401 = ___
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Answer: 606
- Operand1
- 205
- Operand2
- 401
- Operator
- +
512 + 136 = ___
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Answer: 648
- Operand1
- 512
- Operand2
- 136
- Operator
- +
404 + 242 = ___
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Answer: 646
- Operand1
- 404
- Operand2
- 242
- Operator
- +
411 + 470 = ___
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Answer: 881
- Operand1
- 411
- Operand2
- 470
- Operator
- +
510 + 101 = ___
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Answer: 611
- Operand1
- 510
- Operand2
- 101
- Operator
- +
473 + 400 = ___
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Answer: 873
- Operand1
- 473
- Operand2
- 400
- Operator
- +
300 + 606 = ___
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Answer: 906
- Operand1
- 300
- Operand2
- 606
- Operator
- +
572 + 222 = ___
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Answer: 794
- Operand1
- 572
- Operand2
- 222
- Operator
- +
363 + 436 = ___
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Answer: 799
- Operand1
- 363
- Operand2
- 436
- Operator
- +
876 + 112 = ___
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Answer: 988
- Operand1
- 876
- Operand2
- 112
- Operator
- +
114 + 700 = ___
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Answer: 814
- Operand1
- 114
- Operand2
- 700
- Operator
- +
112 + 541 = ___
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Answer: 653
- Operand1
- 112
- Operand2
- 541
- Operator
- +
854 + 120 = ___
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Answer: 974
- Operand1
- 854
- Operand2
- 120
- Operator
- +
143 + 142 = ___
Show answer
Answer: 285
- Operand1
- 143
- Operand2
- 142
- 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.