Workbook Detail
Addition Addition Three Digit — Set 5
Exercise 1
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Answer: 1398
- Operand1
- 680
- Operand2
- 718
- Operator
- +
Exercise 2
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Answer: 840
- Operand1
- 214
- Operand2
- 626
- Operator
- +
Exercise 3
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Answer: 835
- Operand1
- 187
- Operand2
- 648
- Operator
- +
Exercise 4
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Answer: 1202
- Operand1
- 339
- Operand2
- 863
- Operator
- +
Exercise 5
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Answer: 1028
- Operand1
- 526
- Operand2
- 502
- Operator
- +
Exercise 6
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Answer: 1380
- Operand1
- 966
- Operand2
- 414
- Operator
- +
Exercise 7
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Answer: 1576
- Operand1
- 699
- Operand2
- 877
- Operator
- +
Exercise 8
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Answer: 1351
- Operand1
- 619
- Operand2
- 732
- Operator
- +
Exercise 9
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Answer: 326
- Operand1
- 132
- Operand2
- 194
- Operator
- +
Exercise 10
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Answer: 788
- Operand1
- 389
- Operand2
- 399
- Operator
- +
Exercise 11
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Answer: 1230
- Operand1
- 355
- Operand2
- 875
- Operator
- +
Exercise 12
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Answer: 710
- Operand1
- 372
- Operand2
- 338
- Operator
- +
Exercise 13
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Answer: 1475
- Operand1
- 980
- Operand2
- 495
- Operator
- +
Exercise 14
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Answer: 681
- Operand1
- 337
- Operand2
- 344
- Operator
- +
Exercise 15
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Answer: 1499
- Operand1
- 649
- Operand2
- 850
- Operator
- +
Exercise 16
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Answer: 1208
- Operand1
- 306
- Operand2
- 902
- Operator
- +
Exercise 17
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Answer: 1330
- Operand1
- 875
- Operand2
- 455
- Operator
- +
Exercise 18
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Answer: 1038
- Operand1
- 481
- Operand2
- 557
- Operator
- +
Exercise 19
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Answer: 742
- Operand1
- 282
- Operand2
- 460
- Operator
- +
Exercise 20
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Answer: 1321
- Operand1
- 758
- Operand2
- 563
- 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.