Workbook Detail
Addition Addition Three Digit — Set 55
177 + 611 = ___
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Answer: 788
- Operand1
- 177
- Operand2
- 611
- Operator
- +
414 + 101 = ___
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Answer: 515
- Operand1
- 414
- Operand2
- 101
- Operator
- +
201 + 254 = ___
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Answer: 455
- Operand1
- 201
- Operand2
- 254
- Operator
- +
132 + 200 = ___
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Answer: 332
- Operand1
- 132
- Operand2
- 200
- Operator
- +
258 + 301 = ___
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Answer: 559
- Operand1
- 258
- Operand2
- 301
- Operator
- +
729 + 170 = ___
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Answer: 899
- Operand1
- 729
- Operand2
- 170
- Operator
- +
618 + 320 = ___
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Answer: 938
- Operand1
- 618
- Operand2
- 320
- Operator
- +
142 + 802 = ___
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Answer: 944
- Operand1
- 142
- Operand2
- 802
- Operator
- +
312 + 326 = ___
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Answer: 638
- Operand1
- 312
- Operand2
- 326
- Operator
- +
430 + 517 = ___
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Answer: 947
- Operand1
- 430
- Operand2
- 517
- Operator
- +
314 + 244 = ___
Show answer
Answer: 558
- Operand1
- 314
- Operand2
- 244
- Operator
- +
414 + 513 = ___
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Answer: 927
- Operand1
- 414
- Operand2
- 513
- Operator
- +
180 + 209 = ___
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Answer: 389
- Operand1
- 180
- Operand2
- 209
- Operator
- +
195 + 800 = ___
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Answer: 995
- Operand1
- 195
- Operand2
- 800
- Operator
- +
126 + 463 = ___
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Answer: 589
- Operand1
- 126
- Operand2
- 463
- Operator
- +
132 + 105 = ___
Show answer
Answer: 237
- Operand1
- 132
- Operand2
- 105
- Operator
- +
350 + 104 = ___
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Answer: 454
- Operand1
- 350
- Operand2
- 104
- Operator
- +
141 + 706 = ___
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Answer: 847
- Operand1
- 141
- Operand2
- 706
- Operator
- +
321 + 477 = ___
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Answer: 798
- Operand1
- 321
- Operand2
- 477
- Operator
- +
584 + 311 = ___
Show answer
Answer: 895
- Operand1
- 584
- Operand2
- 311
- 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.