Workbook Detail
Addition Addition Three Digit — Set 85
311 + 587 = ___
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Answer: 898
- Operand1
- 311
- Operand2
- 587
- Operator
- +
352 + 527 = ___
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Answer: 879
- Operand1
- 352
- Operand2
- 527
- Operator
- +
335 + 512 = ___
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Answer: 847
- Operand1
- 335
- Operand2
- 512
- Operator
- +
141 + 308 = ___
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Answer: 449
- Operand1
- 141
- Operand2
- 308
- Operator
- +
132 + 727 = ___
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Answer: 859
- Operand1
- 132
- Operand2
- 727
- Operator
- +
311 + 573 = ___
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Answer: 884
- Operand1
- 311
- Operand2
- 573
- Operator
- +
716 + 172 = ___
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Answer: 888
- Operand1
- 716
- Operand2
- 172
- Operator
- +
626 + 133 = ___
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Answer: 759
- Operand1
- 626
- Operand2
- 133
- Operator
- +
302 + 560 = ___
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Answer: 862
- Operand1
- 302
- Operand2
- 560
- Operator
- +
100 + 242 = ___
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Answer: 342
- Operand1
- 100
- Operand2
- 242
- Operator
- +
146 + 653 = ___
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Answer: 799
- Operand1
- 146
- Operand2
- 653
- Operator
- +
345 + 550 = ___
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Answer: 895
- Operand1
- 345
- Operand2
- 550
- Operator
- +
753 + 200 = ___
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Answer: 953
- Operand1
- 753
- Operand2
- 200
- Operator
- +
114 + 111 = ___
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Answer: 225
- Operand1
- 114
- Operand2
- 111
- Operator
- +
612 + 160 = ___
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Answer: 772
- Operand1
- 612
- Operand2
- 160
- Operator
- +
252 + 601 = ___
Show answer
Answer: 853
- Operand1
- 252
- Operand2
- 601
- Operator
- +
221 + 416 = ___
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Answer: 637
- Operand1
- 221
- Operand2
- 416
- Operator
- +
419 + 240 = ___
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Answer: 659
- Operand1
- 419
- Operand2
- 240
- Operator
- +
400 + 490 = ___
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Answer: 890
- Operand1
- 400
- Operand2
- 490
- Operator
- +
640 + 221 = ___
Show answer
Answer: 861
- Operand1
- 640
- Operand2
- 221
- 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.