Workbook Detail
Addition Addition Three Digit — Set 10
Exercise 1
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Answer: 1314
- Operand1
- 796
- Operand2
- 518
- Operator
- +
Exercise 2
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Answer: 1504
- Operand1
- 808
- Operand2
- 696
- Operator
- +
Exercise 3
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Answer: 364
- Operand1
- 148
- Operand2
- 216
- Operator
- +
Exercise 4
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Answer: 1018
- Operand1
- 619
- Operand2
- 399
- Operator
- +
Exercise 5
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Answer: 1356
- Operand1
- 403
- Operand2
- 953
- Operator
- +
Exercise 6
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Answer: 781
- Operand1
- 147
- Operand2
- 634
- Operator
- +
Exercise 7
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Answer: 1397
- Operand1
- 565
- Operand2
- 832
- Operator
- +
Exercise 8
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Answer: 1418
- Operand1
- 895
- Operand2
- 523
- Operator
- +
Exercise 9
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Answer: 1584
- Operand1
- 895
- Operand2
- 689
- Operator
- +
Exercise 10
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Answer: 1155
- Operand1
- 239
- Operand2
- 916
- Operator
- +
Exercise 11
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Answer: 1564
- Operand1
- 687
- Operand2
- 877
- Operator
- +
Exercise 12
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Answer: 1453
- Operand1
- 941
- Operand2
- 512
- Operator
- +
Exercise 13
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Answer: 1359
- Operand1
- 403
- Operand2
- 956
- Operator
- +
Exercise 14
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Answer: 1361
- Operand1
- 623
- Operand2
- 738
- Operator
- +
Exercise 15
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Answer: 1018
- Operand1
- 352
- Operand2
- 666
- Operator
- +
Exercise 16
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Answer: 1160
- Operand1
- 817
- Operand2
- 343
- Operator
- +
Exercise 17
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Answer: 831
- Operand1
- 507
- Operand2
- 324
- Operator
- +
Exercise 18
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Answer: 706
- Operand1
- 329
- Operand2
- 377
- Operator
- +
Exercise 19
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Answer: 1096
- Operand1
- 635
- Operand2
- 461
- Operator
- +
Exercise 20
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Answer: 1063
- Operand1
- 793
- Operand2
- 270
- 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.