Workbook Detail
Addition Addition Three Digit — Set 89
387 + 210 = ___
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Answer: 597
- Operand1
- 387
- Operand2
- 210
- Operator
- +
422 + 336 = ___
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Answer: 758
- Operand1
- 422
- Operand2
- 336
- Operator
- +
251 + 425 = ___
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Answer: 676
- Operand1
- 251
- Operand2
- 425
- Operator
- +
320 + 558 = ___
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Answer: 878
- Operand1
- 320
- Operand2
- 558
- Operator
- +
122 + 773 = ___
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Answer: 895
- Operand1
- 122
- Operand2
- 773
- Operator
- +
421 + 208 = ___
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Answer: 629
- Operand1
- 421
- Operand2
- 208
- Operator
- +
119 + 540 = ___
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Answer: 659
- Operand1
- 119
- Operand2
- 540
- Operator
- +
260 + 516 = ___
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Answer: 776
- Operand1
- 260
- Operand2
- 516
- Operator
- +
638 + 101 = ___
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Answer: 739
- Operand1
- 638
- Operand2
- 101
- Operator
- +
226 + 241 = ___
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Answer: 467
- Operand1
- 226
- Operand2
- 241
- Operator
- +
510 + 264 = ___
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Answer: 774
- Operand1
- 510
- Operand2
- 264
- Operator
- +
311 + 174 = ___
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Answer: 485
- Operand1
- 311
- Operand2
- 174
- Operator
- +
444 + 151 = ___
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Answer: 595
- Operand1
- 444
- Operand2
- 151
- Operator
- +
136 + 810 = ___
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Answer: 946
- Operand1
- 136
- Operand2
- 810
- Operator
- +
411 + 577 = ___
Show answer
Answer: 988
- Operand1
- 411
- Operand2
- 577
- Operator
- +
140 + 437 = ___
Show answer
Answer: 577
- Operand1
- 140
- Operand2
- 437
- Operator
- +
201 + 531 = ___
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Answer: 732
- Operand1
- 201
- Operand2
- 531
- Operator
- +
266 + 612 = ___
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Answer: 878
- Operand1
- 266
- Operand2
- 612
- Operator
- +
231 + 424 = ___
Show answer
Answer: 655
- Operand1
- 231
- Operand2
- 424
- Operator
- +
341 + 204 = ___
Show answer
Answer: 545
- Operand1
- 341
- Operand2
- 204
- 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.