Workbook Detail
Addition Addition Three Digit — Set 24
158 + 141 = ___
Show answer
Answer: 299
- Operand1
- 158
- Operand2
- 141
- Operator
- +
250 + 200 = ___
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Answer: 450
- Operand1
- 250
- Operand2
- 200
- Operator
- +
705 + 153 = ___
Show answer
Answer: 858
- Operand1
- 705
- Operand2
- 153
- Operator
- +
771 + 107 = ___
Show answer
Answer: 878
- Operand1
- 771
- Operand2
- 107
- Operator
- +
223 + 264 = ___
Show answer
Answer: 487
- Operand1
- 223
- Operand2
- 264
- Operator
- +
341 + 112 = ___
Show answer
Answer: 453
- Operand1
- 341
- Operand2
- 112
- Operator
- +
110 + 675 = ___
Show answer
Answer: 785
- Operand1
- 110
- Operand2
- 675
- Operator
- +
315 + 533 = ___
Show answer
Answer: 848
- Operand1
- 315
- Operand2
- 533
- Operator
- +
443 + 336 = ___
Show answer
Answer: 779
- Operand1
- 443
- Operand2
- 336
- Operator
- +
717 + 222 = ___
Show answer
Answer: 939
- Operand1
- 717
- Operand2
- 222
- Operator
- +
772 + 200 = ___
Show answer
Answer: 972
- Operand1
- 772
- Operand2
- 200
- Operator
- +
144 + 745 = ___
Show answer
Answer: 889
- Operand1
- 144
- Operand2
- 745
- Operator
- +
360 + 223 = ___
Show answer
Answer: 583
- Operand1
- 360
- Operand2
- 223
- Operator
- +
502 + 154 = ___
Show answer
Answer: 656
- Operand1
- 502
- Operand2
- 154
- Operator
- +
301 + 536 = ___
Show answer
Answer: 837
- Operand1
- 301
- Operand2
- 536
- Operator
- +
163 + 824 = ___
Show answer
Answer: 987
- Operand1
- 163
- Operand2
- 824
- Operator
- +
383 + 303 = ___
Show answer
Answer: 686
- Operand1
- 383
- Operand2
- 303
- Operator
- +
872 + 126 = ___
Show answer
Answer: 998
- Operand1
- 872
- Operand2
- 126
- Operator
- +
191 + 602 = ___
Show answer
Answer: 793
- Operand1
- 191
- Operand2
- 602
- Operator
- +
558 + 320 = ___
Show answer
Answer: 878
- Operand1
- 558
- Operand2
- 320
- 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.