Workbook Detail
Addition Addition Three Digit — Set 8
Exercise 1
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Answer: 1314
- Operand1
- 887
- Operand2
- 427
- Operator
- +
Exercise 2
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Answer: 806
- Operand1
- 665
- Operand2
- 141
- Operator
- +
Exercise 3
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Answer: 1073
- Operand1
- 926
- Operand2
- 147
- Operator
- +
Exercise 4
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Answer: 1235
- Operand1
- 647
- Operand2
- 588
- Operator
- +
Exercise 5
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Answer: 1600
- Operand1
- 950
- Operand2
- 650
- Operator
- +
Exercise 6
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Answer: 1222
- Operand1
- 534
- Operand2
- 688
- Operator
- +
Exercise 7
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Answer: 1256
- Operand1
- 869
- Operand2
- 387
- Operator
- +
Exercise 8
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Answer: 1025
- Operand1
- 281
- Operand2
- 744
- Operator
- +
Exercise 9
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Answer: 1247
- Operand1
- 499
- Operand2
- 748
- Operator
- +
Exercise 10
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Answer: 801
- Operand1
- 340
- Operand2
- 461
- Operator
- +
Exercise 11
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Answer: 1133
- Operand1
- 971
- Operand2
- 162
- Operator
- +
Exercise 12
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Answer: 1051
- Operand1
- 641
- Operand2
- 410
- Operator
- +
Exercise 13
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Answer: 972
- Operand1
- 190
- Operand2
- 782
- Operator
- +
Exercise 14
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Answer: 646
- Operand1
- 499
- Operand2
- 147
- Operator
- +
Exercise 15
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Answer: 900
- Operand1
- 467
- Operand2
- 433
- Operator
- +
Exercise 16
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Answer: 544
- Operand1
- 326
- Operand2
- 218
- Operator
- +
Exercise 17
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Answer: 1585
- Operand1
- 937
- Operand2
- 648
- Operator
- +
Exercise 18
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Answer: 1621
- Operand1
- 888
- Operand2
- 733
- Operator
- +
Exercise 19
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Answer: 883
- Operand1
- 716
- Operand2
- 167
- Operator
- +
Exercise 20
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Answer: 701
- Operand1
- 448
- Operand2
- 253
- 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.