Workbook Detail
Addition Addition Three Digit — Set 6
Exercise 1
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Answer: 1246
- Operand1
- 460
- Operand2
- 786
- Operator
- +
Exercise 2
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Answer: 963
- Operand1
- 674
- Operand2
- 289
- Operator
- +
Exercise 3
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Answer: 1374
- Operand1
- 603
- Operand2
- 771
- Operator
- +
Exercise 4
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Answer: 1592
- Operand1
- 605
- Operand2
- 987
- Operator
- +
Exercise 5
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Answer: 1293
- Operand1
- 312
- Operand2
- 981
- Operator
- +
Exercise 6
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Answer: 1024
- Operand1
- 639
- Operand2
- 385
- Operator
- +
Exercise 7
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Answer: 1281
- Operand1
- 829
- Operand2
- 452
- Operator
- +
Exercise 8
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Answer: 992
- Operand1
- 757
- Operand2
- 235
- Operator
- +
Exercise 9
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Answer: 1185
- Operand1
- 438
- Operand2
- 747
- Operator
- +
Exercise 10
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Answer: 1039
- Operand1
- 180
- Operand2
- 859
- Operator
- +
Exercise 11
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Answer: 602
- Operand1
- 425
- Operand2
- 177
- Operator
- +
Exercise 12
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Answer: 1360
- Operand1
- 858
- Operand2
- 502
- Operator
- +
Exercise 13
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Answer: 704
- Operand1
- 182
- Operand2
- 522
- Operator
- +
Exercise 14
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Answer: 928
- Operand1
- 546
- Operand2
- 382
- Operator
- +
Exercise 15
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Answer: 1332
- Operand1
- 342
- Operand2
- 990
- Operator
- +
Exercise 16
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Answer: 1029
- Operand1
- 282
- Operand2
- 747
- Operator
- +
Exercise 17
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Answer: 1615
- Operand1
- 661
- Operand2
- 954
- Operator
- +
Exercise 18
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Answer: 962
- Operand1
- 165
- Operand2
- 797
- Operator
- +
Exercise 19
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Answer: 1420
- Operand1
- 917
- Operand2
- 503
- Operator
- +
Exercise 20
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Answer: 1443
- Operand1
- 914
- Operand2
- 529
- 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.