Workbook Detail
Addition Addition Three Digit — Set 49
264 + 414 = ___
Show answer
Answer: 678
- Operand1
- 264
- Operand2
- 414
- Operator
- +
248 + 541 = ___
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Answer: 789
- Operand1
- 248
- Operand2
- 541
- Operator
- +
432 + 137 = ___
Show answer
Answer: 569
- Operand1
- 432
- Operand2
- 137
- Operator
- +
683 + 216 = ___
Show answer
Answer: 899
- Operand1
- 683
- Operand2
- 216
- Operator
- +
152 + 205 = ___
Show answer
Answer: 357
- Operand1
- 152
- Operand2
- 205
- Operator
- +
632 + 111 = ___
Show answer
Answer: 743
- Operand1
- 632
- Operand2
- 111
- Operator
- +
365 + 610 = ___
Show answer
Answer: 975
- Operand1
- 365
- Operand2
- 610
- Operator
- +
117 + 412 = ___
Show answer
Answer: 529
- Operand1
- 117
- Operand2
- 412
- Operator
- +
411 + 303 = ___
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Answer: 714
- Operand1
- 411
- Operand2
- 303
- Operator
- +
382 + 103 = ___
Show answer
Answer: 485
- Operand1
- 382
- Operand2
- 103
- Operator
- +
232 + 724 = ___
Show answer
Answer: 956
- Operand1
- 232
- Operand2
- 724
- Operator
- +
870 + 104 = ___
Show answer
Answer: 974
- Operand1
- 870
- Operand2
- 104
- Operator
- +
442 + 441 = ___
Show answer
Answer: 883
- Operand1
- 442
- Operand2
- 441
- Operator
- +
441 + 547 = ___
Show answer
Answer: 988
- Operand1
- 441
- Operand2
- 547
- Operator
- +
126 + 440 = ___
Show answer
Answer: 566
- Operand1
- 126
- Operand2
- 440
- Operator
- +
651 + 346 = ___
Show answer
Answer: 997
- Operand1
- 651
- Operand2
- 346
- Operator
- +
210 + 489 = ___
Show answer
Answer: 699
- Operand1
- 210
- Operand2
- 489
- Operator
- +
207 + 732 = ___
Show answer
Answer: 939
- Operand1
- 207
- Operand2
- 732
- Operator
- +
241 + 703 = ___
Show answer
Answer: 944
- Operand1
- 241
- Operand2
- 703
- Operator
- +
116 + 583 = ___
Show answer
Answer: 699
- Operand1
- 116
- Operand2
- 583
- 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.