Workbook Detail
Addition Addition Three Digit — Set 86
534 + 103 = ___
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Answer: 637
- Operand1
- 534
- Operand2
- 103
- Operator
- +
175 + 322 = ___
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Answer: 497
- Operand1
- 175
- Operand2
- 322
- Operator
- +
746 + 140 = ___
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Answer: 886
- Operand1
- 746
- Operand2
- 140
- Operator
- +
481 + 203 = ___
Show answer
Answer: 684
- Operand1
- 481
- Operand2
- 203
- Operator
- +
211 + 544 = ___
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Answer: 755
- Operand1
- 211
- Operand2
- 544
- Operator
- +
340 + 516 = ___
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Answer: 856
- Operand1
- 340
- Operand2
- 516
- Operator
- +
254 + 415 = ___
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Answer: 669
- Operand1
- 254
- Operand2
- 415
- Operator
- +
140 + 259 = ___
Show answer
Answer: 399
- Operand1
- 140
- Operand2
- 259
- Operator
- +
533 + 321 = ___
Show answer
Answer: 854
- Operand1
- 533
- Operand2
- 321
- Operator
- +
166 + 312 = ___
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Answer: 478
- Operand1
- 166
- Operand2
- 312
- Operator
- +
210 + 440 = ___
Show answer
Answer: 650
- Operand1
- 210
- Operand2
- 440
- Operator
- +
520 + 119 = ___
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Answer: 639
- Operand1
- 520
- Operand2
- 119
- Operator
- +
233 + 350 = ___
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Answer: 583
- Operand1
- 233
- Operand2
- 350
- Operator
- +
161 + 730 = ___
Show answer
Answer: 891
- Operand1
- 161
- Operand2
- 730
- Operator
- +
453 + 532 = ___
Show answer
Answer: 985
- Operand1
- 453
- Operand2
- 532
- Operator
- +
510 + 452 = ___
Show answer
Answer: 962
- Operand1
- 510
- Operand2
- 452
- Operator
- +
442 + 125 = ___
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Answer: 567
- Operand1
- 442
- Operand2
- 125
- Operator
- +
240 + 526 = ___
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Answer: 766
- Operand1
- 240
- Operand2
- 526
- Operator
- +
331 + 527 = ___
Show answer
Answer: 858
- Operand1
- 331
- Operand2
- 527
- Operator
- +
173 + 405 = ___
Show answer
Answer: 578
- Operand1
- 173
- Operand2
- 405
- 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.