Workbook Detail
Addition Addition Three Digit — Set 4
Exercise 1
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Answer: 1129
- Operand1
- 220
- Operand2
- 909
- Operator
- +
Exercise 2
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Answer: 1045
- Operand1
- 692
- Operand2
- 353
- Operator
- +
Exercise 3
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Answer: 1020
- Operand1
- 851
- Operand2
- 169
- Operator
- +
Exercise 4
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Answer: 771
- Operand1
- 425
- Operand2
- 346
- Operator
- +
Exercise 5
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Answer: 1449
- Operand1
- 765
- Operand2
- 684
- Operator
- +
Exercise 6
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Answer: 513
- Operand1
- 263
- Operand2
- 250
- Operator
- +
Exercise 7
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Answer: 1542
- Operand1
- 572
- Operand2
- 970
- Operator
- +
Exercise 8
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Answer: 1372
- Operand1
- 592
- Operand2
- 780
- Operator
- +
Exercise 9
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Answer: 1498
- Operand1
- 911
- Operand2
- 587
- Operator
- +
Exercise 10
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Answer: 1298
- Operand1
- 783
- Operand2
- 515
- Operator
- +
Exercise 11
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Answer: 917
- Operand1
- 155
- Operand2
- 762
- Operator
- +
Exercise 12
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Answer: 1054
- Operand1
- 702
- Operand2
- 352
- Operator
- +
Exercise 13
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Answer: 855
- Operand1
- 706
- Operand2
- 149
- Operator
- +
Exercise 14
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Answer: 1621
- Operand1
- 827
- Operand2
- 794
- Operator
- +
Exercise 15
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Answer: 1407
- Operand1
- 422
- Operand2
- 985
- Operator
- +
Exercise 16
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Answer: 1736
- Operand1
- 783
- Operand2
- 953
- Operator
- +
Exercise 17
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Answer: 1062
- Operand1
- 229
- Operand2
- 833
- Operator
- +
Exercise 18
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Answer: 1300
- Operand1
- 769
- Operand2
- 531
- Operator
- +
Exercise 19
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Answer: 1272
- Operand1
- 473
- Operand2
- 799
- Operator
- +
Exercise 20
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Answer: 1424
- Operand1
- 713
- Operand2
- 711
- 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.