Workbook Detail
Addition Addition Three Digit — Set 38
323 + 471 = ___
Show answer
Answer: 794
- Operand1
- 323
- Operand2
- 471
- Operator
- +
410 + 341 = ___
Show answer
Answer: 751
- Operand1
- 410
- Operand2
- 341
- Operator
- +
437 + 551 = ___
Show answer
Answer: 988
- Operand1
- 437
- Operand2
- 551
- Operator
- +
343 + 253 = ___
Show answer
Answer: 596
- Operand1
- 343
- Operand2
- 253
- Operator
- +
275 + 703 = ___
Show answer
Answer: 978
- Operand1
- 275
- Operand2
- 703
- Operator
- +
122 + 153 = ___
Show answer
Answer: 275
- Operand1
- 122
- Operand2
- 153
- Operator
- +
243 + 744 = ___
Show answer
Answer: 987
- Operand1
- 243
- Operand2
- 744
- Operator
- +
337 + 410 = ___
Show answer
Answer: 747
- Operand1
- 337
- Operand2
- 410
- Operator
- +
663 + 323 = ___
Show answer
Answer: 986
- Operand1
- 663
- Operand2
- 323
- Operator
- +
249 + 250 = ___
Show answer
Answer: 499
- Operand1
- 249
- Operand2
- 250
- Operator
- +
373 + 400 = ___
Show answer
Answer: 773
- Operand1
- 373
- Operand2
- 400
- Operator
- +
527 + 320 = ___
Show answer
Answer: 847
- Operand1
- 527
- Operand2
- 320
- Operator
- +
324 + 473 = ___
Show answer
Answer: 797
- Operand1
- 324
- Operand2
- 473
- Operator
- +
458 + 111 = ___
Show answer
Answer: 569
- Operand1
- 458
- Operand2
- 111
- Operator
- +
137 + 830 = ___
Show answer
Answer: 967
- Operand1
- 137
- Operand2
- 830
- Operator
- +
803 + 141 = ___
Show answer
Answer: 944
- Operand1
- 803
- Operand2
- 141
- Operator
- +
404 + 433 = ___
Show answer
Answer: 837
- Operand1
- 404
- Operand2
- 433
- Operator
- +
113 + 382 = ___
Show answer
Answer: 495
- Operand1
- 113
- Operand2
- 382
- Operator
- +
400 + 310 = ___
Show answer
Answer: 710
- Operand1
- 400
- Operand2
- 310
- Operator
- +
110 + 719 = ___
Show answer
Answer: 829
- Operand1
- 110
- Operand2
- 719
- 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.