Workbook Detail
Addition Addition Three Digit — Set 37
439 + 550 = ___
Show answer
Answer: 989
- Operand1
- 439
- Operand2
- 550
- Operator
- +
584 + 304 = ___
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Answer: 888
- Operand1
- 584
- Operand2
- 304
- Operator
- +
516 + 342 = ___
Show answer
Answer: 858
- Operand1
- 516
- Operand2
- 342
- Operator
- +
241 + 751 = ___
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Answer: 992
- Operand1
- 241
- Operand2
- 751
- Operator
- +
215 + 354 = ___
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Answer: 569
- Operand1
- 215
- Operand2
- 354
- Operator
- +
813 + 106 = ___
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Answer: 919
- Operand1
- 813
- Operand2
- 106
- Operator
- +
461 + 417 = ___
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Answer: 878
- Operand1
- 461
- Operand2
- 417
- Operator
- +
333 + 312 = ___
Show answer
Answer: 645
- Operand1
- 333
- Operand2
- 312
- Operator
- +
342 + 155 = ___
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Answer: 497
- Operand1
- 342
- Operand2
- 155
- Operator
- +
642 + 120 = ___
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Answer: 762
- Operand1
- 642
- Operand2
- 120
- Operator
- +
448 + 201 = ___
Show answer
Answer: 649
- Operand1
- 448
- Operand2
- 201
- Operator
- +
120 + 135 = ___
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Answer: 255
- Operand1
- 120
- Operand2
- 135
- Operator
- +
143 + 850 = ___
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Answer: 993
- Operand1
- 143
- Operand2
- 850
- Operator
- +
132 + 222 = ___
Show answer
Answer: 354
- Operand1
- 132
- Operand2
- 222
- Operator
- +
380 + 300 = ___
Show answer
Answer: 680
- Operand1
- 380
- Operand2
- 300
- Operator
- +
267 + 601 = ___
Show answer
Answer: 868
- Operand1
- 267
- Operand2
- 601
- Operator
- +
702 + 267 = ___
Show answer
Answer: 969
- Operand1
- 702
- Operand2
- 267
- Operator
- +
163 + 801 = ___
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Answer: 964
- Operand1
- 163
- Operand2
- 801
- Operator
- +
277 + 211 = ___
Show answer
Answer: 488
- Operand1
- 277
- Operand2
- 211
- Operator
- +
145 + 702 = ___
Show answer
Answer: 847
- Operand1
- 145
- Operand2
- 702
- 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.