Workbook Detail
Addition Addition Three Digit — Set 81
656 + 343 = ___
Show answer
Answer: 999
- Operand1
- 656
- Operand2
- 343
- Operator
- +
526 + 131 = ___
Show answer
Answer: 657
- Operand1
- 526
- Operand2
- 131
- Operator
- +
333 + 664 = ___
Show answer
Answer: 997
- Operand1
- 333
- Operand2
- 664
- Operator
- +
540 + 130 = ___
Show answer
Answer: 670
- Operand1
- 540
- Operand2
- 130
- Operator
- +
402 + 202 = ___
Show answer
Answer: 604
- Operand1
- 402
- Operand2
- 202
- Operator
- +
533 + 401 = ___
Show answer
Answer: 934
- Operand1
- 533
- Operand2
- 401
- Operator
- +
713 + 234 = ___
Show answer
Answer: 947
- Operand1
- 713
- Operand2
- 234
- Operator
- +
300 + 467 = ___
Show answer
Answer: 767
- Operand1
- 300
- Operand2
- 467
- Operator
- +
342 + 237 = ___
Show answer
Answer: 579
- Operand1
- 342
- Operand2
- 237
- Operator
- +
115 + 123 = ___
Show answer
Answer: 238
- Operand1
- 115
- Operand2
- 123
- Operator
- +
526 + 422 = ___
Show answer
Answer: 948
- Operand1
- 526
- Operand2
- 422
- Operator
- +
599 + 400 = ___
Show answer
Answer: 999
- Operand1
- 599
- Operand2
- 400
- Operator
- +
186 + 611 = ___
Show answer
Answer: 797
- Operand1
- 186
- Operand2
- 611
- Operator
- +
106 + 392 = ___
Show answer
Answer: 498
- Operand1
- 106
- Operand2
- 392
- Operator
- +
498 + 201 = ___
Show answer
Answer: 699
- Operand1
- 498
- Operand2
- 201
- Operator
- +
310 + 676 = ___
Show answer
Answer: 986
- Operand1
- 310
- Operand2
- 676
- Operator
- +
102 + 286 = ___
Show answer
Answer: 388
- Operand1
- 102
- Operand2
- 286
- Operator
- +
844 + 111 = ___
Show answer
Answer: 955
- Operand1
- 844
- Operand2
- 111
- Operator
- +
415 + 343 = ___
Show answer
Answer: 758
- Operand1
- 415
- Operand2
- 343
- Operator
- +
343 + 313 = ___
Show answer
Answer: 656
- Operand1
- 343
- Operand2
- 313
- 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.