Workbook Detail
Addition Addition Three Digit — Set 73
760 + 105 = ___
Show answer
Answer: 865
- Operand1
- 760
- Operand2
- 105
- Operator
- +
524 + 133 = ___
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Answer: 657
- Operand1
- 524
- Operand2
- 133
- Operator
- +
400 + 354 = ___
Show answer
Answer: 754
- Operand1
- 400
- Operand2
- 354
- Operator
- +
128 + 410 = ___
Show answer
Answer: 538
- Operand1
- 128
- Operand2
- 410
- Operator
- +
130 + 731 = ___
Show answer
Answer: 861
- Operand1
- 130
- Operand2
- 731
- Operator
- +
101 + 578 = ___
Show answer
Answer: 679
- Operand1
- 101
- Operand2
- 578
- Operator
- +
380 + 515 = ___
Show answer
Answer: 895
- Operand1
- 380
- Operand2
- 515
- Operator
- +
604 + 175 = ___
Show answer
Answer: 779
- Operand1
- 604
- Operand2
- 175
- Operator
- +
102 + 875 = ___
Show answer
Answer: 977
- Operand1
- 102
- Operand2
- 875
- Operator
- +
112 + 302 = ___
Show answer
Answer: 414
- Operand1
- 112
- Operand2
- 302
- Operator
- +
637 + 330 = ___
Show answer
Answer: 967
- Operand1
- 637
- Operand2
- 330
- Operator
- +
509 + 220 = ___
Show answer
Answer: 729
- Operand1
- 509
- Operand2
- 220
- Operator
- +
894 + 105 = ___
Show answer
Answer: 999
- Operand1
- 894
- Operand2
- 105
- Operator
- +
205 + 363 = ___
Show answer
Answer: 568
- Operand1
- 205
- Operand2
- 363
- Operator
- +
113 + 871 = ___
Show answer
Answer: 984
- Operand1
- 113
- Operand2
- 871
- Operator
- +
120 + 877 = ___
Show answer
Answer: 997
- Operand1
- 120
- Operand2
- 877
- Operator
- +
551 + 121 = ___
Show answer
Answer: 672
- Operand1
- 551
- Operand2
- 121
- Operator
- +
514 + 283 = ___
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Answer: 797
- Operand1
- 514
- Operand2
- 283
- Operator
- +
417 + 352 = ___
Show answer
Answer: 769
- Operand1
- 417
- Operand2
- 352
- Operator
- +
812 + 117 = ___
Show answer
Answer: 929
- Operand1
- 812
- Operand2
- 117
- 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.