Workbook Detail
Addition Addition Three Digit — Set 30
300 + 469 = ___
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Answer: 769
- Operand1
- 300
- Operand2
- 469
- Operator
- +
314 + 674 = ___
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Answer: 988
- Operand1
- 314
- Operand2
- 674
- Operator
- +
105 + 801 = ___
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Answer: 906
- Operand1
- 105
- Operand2
- 801
- Operator
- +
101 + 896 = ___
Show answer
Answer: 997
- Operand1
- 101
- Operand2
- 896
- Operator
- +
256 + 621 = ___
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Answer: 877
- Operand1
- 256
- Operand2
- 621
- Operator
- +
121 + 701 = ___
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Answer: 822
- Operand1
- 121
- Operand2
- 701
- Operator
- +
113 + 143 = ___
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Answer: 256
- Operand1
- 113
- Operand2
- 143
- Operator
- +
686 + 100 = ___
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Answer: 786
- Operand1
- 686
- Operand2
- 100
- Operator
- +
145 + 733 = ___
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Answer: 878
- Operand1
- 145
- Operand2
- 733
- Operator
- +
641 + 340 = ___
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Answer: 981
- Operand1
- 641
- Operand2
- 340
- Operator
- +
222 + 345 = ___
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Answer: 567
- Operand1
- 222
- Operand2
- 345
- Operator
- +
264 + 513 = ___
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Answer: 777
- Operand1
- 264
- Operand2
- 513
- Operator
- +
181 + 612 = ___
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Answer: 793
- Operand1
- 181
- Operand2
- 612
- Operator
- +
421 + 254 = ___
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Answer: 675
- Operand1
- 421
- Operand2
- 254
- Operator
- +
147 + 820 = ___
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Answer: 967
- Operand1
- 147
- Operand2
- 820
- Operator
- +
236 + 603 = ___
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Answer: 839
- Operand1
- 236
- Operand2
- 603
- Operator
- +
348 + 541 = ___
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Answer: 889
- Operand1
- 348
- Operand2
- 541
- Operator
- +
130 + 546 = ___
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Answer: 676
- Operand1
- 130
- Operand2
- 546
- Operator
- +
140 + 358 = ___
Show answer
Answer: 498
- Operand1
- 140
- Operand2
- 358
- Operator
- +
111 + 133 = ___
Show answer
Answer: 244
- Operand1
- 111
- Operand2
- 133
- 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.