Workbook Detail
Addition Addition Three Digit — Set 61
494 + 203 = ___
Show answer
Answer: 697
- Operand1
- 494
- Operand2
- 203
- Operator
- +
552 + 136 = ___
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Answer: 688
- Operand1
- 552
- Operand2
- 136
- Operator
- +
100 + 630 = ___
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Answer: 730
- Operand1
- 100
- Operand2
- 630
- Operator
- +
624 + 305 = ___
Show answer
Answer: 929
- Operand1
- 624
- Operand2
- 305
- Operator
- +
700 + 114 = ___
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Answer: 814
- Operand1
- 700
- Operand2
- 114
- Operator
- +
324 + 361 = ___
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Answer: 685
- Operand1
- 324
- Operand2
- 361
- Operator
- +
247 + 241 = ___
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Answer: 488
- Operand1
- 247
- Operand2
- 241
- Operator
- +
174 + 503 = ___
Show answer
Answer: 677
- Operand1
- 174
- Operand2
- 503
- Operator
- +
431 + 248 = ___
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Answer: 679
- Operand1
- 431
- Operand2
- 248
- Operator
- +
172 + 410 = ___
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Answer: 582
- Operand1
- 172
- Operand2
- 410
- Operator
- +
243 + 641 = ___
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Answer: 884
- Operand1
- 243
- Operand2
- 641
- Operator
- +
526 + 140 = ___
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Answer: 666
- Operand1
- 526
- Operand2
- 140
- Operator
- +
592 + 401 = ___
Show answer
Answer: 993
- Operand1
- 592
- Operand2
- 401
- Operator
- +
670 + 321 = ___
Show answer
Answer: 991
- Operand1
- 670
- Operand2
- 321
- Operator
- +
300 + 271 = ___
Show answer
Answer: 571
- Operand1
- 300
- Operand2
- 271
- Operator
- +
347 + 141 = ___
Show answer
Answer: 488
- Operand1
- 347
- Operand2
- 141
- Operator
- +
414 + 284 = ___
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Answer: 698
- Operand1
- 414
- Operand2
- 284
- Operator
- +
120 + 430 = ___
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Answer: 550
- Operand1
- 120
- Operand2
- 430
- Operator
- +
624 + 332 = ___
Show answer
Answer: 956
- Operand1
- 624
- Operand2
- 332
- Operator
- +
315 + 481 = ___
Show answer
Answer: 796
- Operand1
- 315
- Operand2
- 481
- 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.