Workbook Detail
Subtraction Subtraction Three Digit — Set 21
679 - 540 = ___
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Answer: 139
- Operand1
- 679
- Operand2
- 540
- Operator
- -
466 - 162 = ___
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Answer: 304
- Operand1
- 466
- Operand2
- 162
- Operator
- -
679 - 473 = ___
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Answer: 206
- Operand1
- 679
- Operand2
- 473
- Operator
- -
767 - 763 = ___
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Answer: 4
- Operand1
- 767
- Operand2
- 763
- Operator
- -
984 - 404 = ___
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Answer: 580
- Operand1
- 984
- Operand2
- 404
- Operator
- -
697 - 145 = ___
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Answer: 552
- Operand1
- 697
- Operand2
- 145
- Operator
- -
814 - 314 = ___
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Answer: 500
- Operand1
- 814
- Operand2
- 314
- Operator
- -
787 - 786 = ___
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Answer: 1
- Operand1
- 787
- Operand2
- 786
- Operator
- -
357 - 212 = ___
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Answer: 145
- Operand1
- 357
- Operand2
- 212
- Operator
- -
380 - 140 = ___
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Answer: 240
- Operand1
- 380
- Operand2
- 140
- Operator
- -
292 - 120 = ___
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Answer: 172
- Operand1
- 292
- Operand2
- 120
- Operator
- -
578 - 445 = ___
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Answer: 133
- Operand1
- 578
- Operand2
- 445
- Operator
- -
597 - 504 = ___
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Answer: 93
- Operand1
- 597
- Operand2
- 504
- Operator
- -
398 - 133 = ___
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Answer: 265
- Operand1
- 398
- Operand2
- 133
- Operator
- -
232 - 110 = ___
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Answer: 122
- Operand1
- 232
- Operand2
- 110
- Operator
- -
163 - 111 = ___
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Answer: 52
- Operand1
- 163
- Operand2
- 111
- Operator
- -
636 - 106 = ___
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Answer: 530
- Operand1
- 636
- Operand2
- 106
- Operator
- -
939 - 717 = ___
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Answer: 222
- Operand1
- 939
- Operand2
- 717
- Operator
- -
297 - 273 = ___
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Answer: 24
- Operand1
- 297
- Operand2
- 273
- Operator
- -
965 - 731 = ___
Show answer
Answer: 234
- Operand1
- 965
- Operand2
- 731
- Operator
- -
Teaching Notes
Download this free subtraction 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 Subtraction 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.