Workbook Detail
Addition Addition Three Digit — Set 27
384 + 315 = ___
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Answer: 699
- Operand1
- 384
- Operand2
- 315
- Operator
- +
310 + 166 = ___
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Answer: 476
- Operand1
- 310
- Operand2
- 166
- Operator
- +
143 + 201 = ___
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Answer: 344
- Operand1
- 143
- Operand2
- 201
- Operator
- +
420 + 260 = ___
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Answer: 680
- Operand1
- 420
- Operand2
- 260
- Operator
- +
381 + 104 = ___
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Answer: 485
- Operand1
- 381
- Operand2
- 104
- Operator
- +
515 + 153 = ___
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Answer: 668
- Operand1
- 515
- Operand2
- 153
- Operator
- +
203 + 214 = ___
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Answer: 417
- Operand1
- 203
- Operand2
- 214
- Operator
- +
348 + 240 = ___
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Answer: 588
- Operand1
- 348
- Operand2
- 240
- Operator
- +
159 + 810 = ___
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Answer: 969
- Operand1
- 159
- Operand2
- 810
- Operator
- +
364 + 502 = ___
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Answer: 866
- Operand1
- 364
- Operand2
- 502
- Operator
- +
635 + 320 = ___
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Answer: 955
- Operand1
- 635
- Operand2
- 320
- Operator
- +
600 + 336 = ___
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Answer: 936
- Operand1
- 600
- Operand2
- 336
- Operator
- +
836 + 143 = ___
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Answer: 979
- Operand1
- 836
- Operand2
- 143
- Operator
- +
105 + 601 = ___
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Answer: 706
- Operand1
- 105
- Operand2
- 601
- Operator
- +
116 + 281 = ___
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Answer: 397
- Operand1
- 116
- Operand2
- 281
- Operator
- +
410 + 349 = ___
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Answer: 759
- Operand1
- 410
- Operand2
- 349
- Operator
- +
164 + 812 = ___
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Answer: 976
- Operand1
- 164
- Operand2
- 812
- Operator
- +
641 + 323 = ___
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Answer: 964
- Operand1
- 641
- Operand2
- 323
- Operator
- +
739 + 230 = ___
Show answer
Answer: 969
- Operand1
- 739
- Operand2
- 230
- Operator
- +
470 + 519 = ___
Show answer
Answer: 989
- Operand1
- 470
- Operand2
- 519
- 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.