Workbook Detail
Subtraction Number Range Within 30 — Set 100
19 - 18 = ___
Show answer
Answer: 1
- Operand1
- 19
- Operand2
- 18
- Operator
- -
11 - 1 = ___
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Answer: 10
- Operand1
- 11
- Operand2
- 1
- Operator
- -
18 - 8 = ___
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Answer: 10
- Operand1
- 18
- Operand2
- 8
- Operator
- -
29 - 5 = ___
Show answer
Answer: 24
- Operand1
- 29
- Operand2
- 5
- Operator
- -
21 - 20 = ___
Show answer
Answer: 1
- Operand1
- 21
- Operand2
- 20
- Operator
- -
23 - 1 = ___
Show answer
Answer: 22
- Operand1
- 23
- Operand2
- 1
- Operator
- -
27 - 3 = ___
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Answer: 24
- Operand1
- 27
- Operand2
- 3
- Operator
- -
15 - 1 = ___
Show answer
Answer: 14
- Operand1
- 15
- Operand2
- 1
- Operator
- -
25 - 11 = ___
Show answer
Answer: 14
- Operand1
- 25
- Operand2
- 11
- Operator
- -
15 - 4 = ___
Show answer
Answer: 11
- Operand1
- 15
- Operand2
- 4
- Operator
- -
28 - 17 = ___
Show answer
Answer: 11
- Operand1
- 28
- Operand2
- 17
- Operator
- -
29 - 28 = ___
Show answer
Answer: 1
- Operand1
- 29
- Operand2
- 28
- Operator
- -
2 - 1 = ___
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Answer: 1
- Operand1
- 2
- Operand2
- 1
- Operator
- -
- VisualIntent
- Layout: picture-equationOperation: subtractItems: [{"count":2,"role":"groupA"},{"count":1,"role":"groupB"}]CrossedCount: 1
25 - 1 = ___
Show answer
Answer: 24
- Operand1
- 25
- Operand2
- 1
- Operator
- -
24 - 21 = ___
Show answer
Answer: 3
- Operand1
- 24
- Operand2
- 21
- Operator
- -
30 - 10 = ___
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Answer: 20
- Operand1
- 30
- Operand2
- 10
- Operator
- -
2 - 1 = ___
Show answer
Answer: 1
- Operand1
- 2
- Operand2
- 1
- Operator
- -
- VisualIntent
- Layout: picture-equationOperation: subtractItems: [{"count":2,"role":"groupA"},{"count":1,"role":"groupB"}]CrossedCount: 1
15 - 12 = ___
Show answer
Answer: 3
- Operand1
- 15
- Operand2
- 12
- Operator
- -
25 - 4 = ___
Show answer
Answer: 21
- Operand1
- 25
- Operand2
- 4
- Operator
- -
19 - 10 = ___
Show answer
Answer: 9
- Operand1
- 19
- Operand2
- 10
- Operator
- -
Teaching Notes
Download this free subtraction within 30 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 within 30 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 Within 30 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.