Workbook Detail
Addition Addition Three Digit — Set 100
122 + 753 = ___
Show answer
Answer: 875
- Operand1
- 122
- Operand2
- 753
- Operator
- +
636 + 301 = ___
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Answer: 937
- Operand1
- 636
- Operand2
- 301
- Operator
- +
147 + 330 = ___
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Answer: 477
- Operand1
- 147
- Operand2
- 330
- Operator
- +
707 + 281 = ___
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Answer: 988
- Operand1
- 707
- Operand2
- 281
- Operator
- +
120 + 871 = ___
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Answer: 991
- Operand1
- 120
- Operand2
- 871
- Operator
- +
821 + 161 = ___
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Answer: 982
- Operand1
- 821
- Operand2
- 161
- Operator
- +
264 + 211 = ___
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Answer: 475
- Operand1
- 264
- Operand2
- 211
- Operator
- +
217 + 541 = ___
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Answer: 758
- Operand1
- 217
- Operand2
- 541
- Operator
- +
405 + 594 = ___
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Answer: 999
- Operand1
- 405
- Operand2
- 594
- Operator
- +
221 + 551 = ___
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Answer: 772
- Operand1
- 221
- Operand2
- 551
- Operator
- +
131 + 334 = ___
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Answer: 465
- Operand1
- 131
- Operand2
- 334
- Operator
- +
113 + 732 = ___
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Answer: 845
- Operand1
- 113
- Operand2
- 732
- Operator
- +
651 + 106 = ___
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Answer: 757
- Operand1
- 651
- Operand2
- 106
- Operator
- +
241 + 122 = ___
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Answer: 363
- Operand1
- 241
- Operand2
- 122
- Operator
- +
222 + 577 = ___
Show answer
Answer: 799
- Operand1
- 222
- Operand2
- 577
- Operator
- +
507 + 451 = ___
Show answer
Answer: 958
- Operand1
- 507
- Operand2
- 451
- Operator
- +
142 + 636 = ___
Show answer
Answer: 778
- Operand1
- 142
- Operand2
- 636
- Operator
- +
123 + 640 = ___
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Answer: 763
- Operand1
- 123
- Operand2
- 640
- Operator
- +
102 + 323 = ___
Show answer
Answer: 425
- Operand1
- 102
- Operand2
- 323
- Operator
- +
527 + 110 = ___
Show answer
Answer: 637
- Operand1
- 527
- Operand2
- 110
- 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.