Workbook Detail
Addition Addition Three Digit — Set 29
110 + 368 = ___
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Answer: 478
- Operand1
- 110
- Operand2
- 368
- Operator
- +
502 + 202 = ___
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Answer: 704
- Operand1
- 502
- Operand2
- 202
- Operator
- +
432 + 233 = ___
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Answer: 665
- Operand1
- 432
- Operand2
- 233
- Operator
- +
290 + 107 = ___
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Answer: 397
- Operand1
- 290
- Operand2
- 107
- Operator
- +
133 + 300 = ___
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Answer: 433
- Operand1
- 133
- Operand2
- 300
- Operator
- +
180 + 807 = ___
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Answer: 987
- Operand1
- 180
- Operand2
- 807
- Operator
- +
855 + 134 = ___
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Answer: 989
- Operand1
- 855
- Operand2
- 134
- Operator
- +
532 + 451 = ___
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Answer: 983
- Operand1
- 532
- Operand2
- 451
- Operator
- +
334 + 111 = ___
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Answer: 445
- Operand1
- 334
- Operand2
- 111
- Operator
- +
231 + 361 = ___
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Answer: 592
- Operand1
- 231
- Operand2
- 361
- Operator
- +
436 + 452 = ___
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Answer: 888
- Operand1
- 436
- Operand2
- 452
- Operator
- +
406 + 380 = ___
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Answer: 786
- Operand1
- 406
- Operand2
- 380
- Operator
- +
100 + 700 = ___
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Answer: 800
- Operand1
- 100
- Operand2
- 700
- Operator
- +
540 + 448 = ___
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Answer: 988
- Operand1
- 540
- Operand2
- 448
- Operator
- +
442 + 424 = ___
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Answer: 866
- Operand1
- 442
- Operand2
- 424
- Operator
- +
111 + 637 = ___
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Answer: 748
- Operand1
- 111
- Operand2
- 637
- Operator
- +
161 + 738 = ___
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Answer: 899
- Operand1
- 161
- Operand2
- 738
- Operator
- +
172 + 327 = ___
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Answer: 499
- Operand1
- 172
- Operand2
- 327
- Operator
- +
182 + 713 = ___
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Answer: 895
- Operand1
- 182
- Operand2
- 713
- Operator
- +
122 + 555 = ___
Show answer
Answer: 677
- Operand1
- 122
- Operand2
- 555
- 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.