Workbook Detail
Addition Addition Three Digit — Set 75
544 + 442 = ___
Show answer
Answer: 986
- Operand1
- 544
- Operand2
- 442
- Operator
- +
503 + 142 = ___
Show answer
Answer: 645
- Operand1
- 503
- Operand2
- 142
- Operator
- +
538 + 320 = ___
Show answer
Answer: 858
- Operand1
- 538
- Operand2
- 320
- Operator
- +
167 + 611 = ___
Show answer
Answer: 778
- Operand1
- 167
- Operand2
- 611
- Operator
- +
264 + 235 = ___
Show answer
Answer: 499
- Operand1
- 264
- Operand2
- 235
- Operator
- +
130 + 331 = ___
Show answer
Answer: 461
- Operand1
- 130
- Operand2
- 331
- Operator
- +
570 + 224 = ___
Show answer
Answer: 794
- Operand1
- 570
- Operand2
- 224
- Operator
- +
155 + 131 = ___
Show answer
Answer: 286
- Operand1
- 155
- Operand2
- 131
- Operator
- +
340 + 310 = ___
Show answer
Answer: 650
- Operand1
- 340
- Operand2
- 310
- Operator
- +
735 + 111 = ___
Show answer
Answer: 846
- Operand1
- 735
- Operand2
- 111
- Operator
- +
207 + 721 = ___
Show answer
Answer: 928
- Operand1
- 207
- Operand2
- 721
- Operator
- +
301 + 125 = ___
Show answer
Answer: 426
- Operand1
- 301
- Operand2
- 125
- Operator
- +
102 + 131 = ___
Show answer
Answer: 233
- Operand1
- 102
- Operand2
- 131
- Operator
- +
800 + 119 = ___
Show answer
Answer: 919
- Operand1
- 800
- Operand2
- 119
- Operator
- +
251 + 636 = ___
Show answer
Answer: 887
- Operand1
- 251
- Operand2
- 636
- Operator
- +
305 + 460 = ___
Show answer
Answer: 765
- Operand1
- 305
- Operand2
- 460
- Operator
- +
240 + 233 = ___
Show answer
Answer: 473
- Operand1
- 240
- Operand2
- 233
- Operator
- +
310 + 123 = ___
Show answer
Answer: 433
- Operand1
- 310
- Operand2
- 123
- Operator
- +
422 + 462 = ___
Show answer
Answer: 884
- Operand1
- 422
- Operand2
- 462
- Operator
- +
372 + 302 = ___
Show answer
Answer: 674
- Operand1
- 372
- Operand2
- 302
- 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.