Workbook Detail
Addition Addition Three Digit — Set 72
403 + 566 = ___
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Answer: 969
- Operand1
- 403
- Operand2
- 566
- Operator
- +
105 + 123 = ___
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Answer: 228
- Operand1
- 105
- Operand2
- 123
- Operator
- +
432 + 300 = ___
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Answer: 732
- Operand1
- 432
- Operand2
- 300
- Operator
- +
132 + 753 = ___
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Answer: 885
- Operand1
- 132
- Operand2
- 753
- Operator
- +
303 + 212 = ___
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Answer: 515
- Operand1
- 303
- Operand2
- 212
- Operator
- +
714 + 240 = ___
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Answer: 954
- Operand1
- 714
- Operand2
- 240
- Operator
- +
722 + 101 = ___
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Answer: 823
- Operand1
- 722
- Operand2
- 101
- Operator
- +
411 + 301 = ___
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Answer: 712
- Operand1
- 411
- Operand2
- 301
- Operator
- +
706 + 221 = ___
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Answer: 927
- Operand1
- 706
- Operand2
- 221
- Operator
- +
362 + 504 = ___
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Answer: 866
- Operand1
- 362
- Operand2
- 504
- Operator
- +
351 + 202 = ___
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Answer: 553
- Operand1
- 351
- Operand2
- 202
- Operator
- +
447 + 451 = ___
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Answer: 898
- Operand1
- 447
- Operand2
- 451
- Operator
- +
310 + 287 = ___
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Answer: 597
- Operand1
- 310
- Operand2
- 287
- Operator
- +
413 + 546 = ___
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Answer: 959
- Operand1
- 413
- Operand2
- 546
- Operator
- +
161 + 533 = ___
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Answer: 694
- Operand1
- 161
- Operand2
- 533
- Operator
- +
557 + 302 = ___
Show answer
Answer: 859
- Operand1
- 557
- Operand2
- 302
- Operator
- +
306 + 453 = ___
Show answer
Answer: 759
- Operand1
- 306
- Operand2
- 453
- Operator
- +
304 + 272 = ___
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Answer: 576
- Operand1
- 304
- Operand2
- 272
- Operator
- +
562 + 312 = ___
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Answer: 874
- Operand1
- 562
- Operand2
- 312
- Operator
- +
244 + 104 = ___
Show answer
Answer: 348
- Operand1
- 244
- Operand2
- 104
- 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.