Workbook Detail
Function Machine Subtraction Medium — Set 15
Input: 7 → [?] → 12, what is the rule?
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Answer: +5
- SubType
- find-rule
- Rule
- +5
- Input
- 7
- Output
- 12
- Difficulty
- medium
Input: 6 → [?] → 11, what is the rule?
Show answer
Answer: +5
- SubType
- find-rule
- Rule
- +5
- Input
- 6
- Output
- 11
- Difficulty
- medium
? → [×2 + 1] → 21
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Answer: 10
- SubType
- find-input
- Rule
- ×2 + 1
- Input
- 10
- Output
- 21
- Difficulty
- medium
? → [+4 ×2] → 28
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Answer: 10
- SubType
- find-input
- Rule
- +4 ×2
- Input
- 10
- Output
- 28
- Difficulty
- medium
Input: 10 → [?] → 21, what is the rule?
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Answer: ×2 + 1
- SubType
- find-rule
- Rule
- ×2 + 1
- Input
- 10
- Output
- 21
- Difficulty
- medium
? → [×3 - 2] → 4
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Answer: 2
- SubType
- find-input
- Rule
- ×3 - 2
- Input
- 2
- Output
- 4
- Difficulty
- medium
Input: 9 → [?] → 45, what is the rule?
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Answer: ×5
- SubType
- find-rule
- Rule
- ×5
- Input
- 9
- Output
- 45
- Difficulty
- medium
? → [+2] → 9
Show answer
Answer: 7
- SubType
- find-input
- Rule
- +2
- Input
- 7
- Output
- 9
- Difficulty
- medium
Teaching Notes
Practice function machine subtraction with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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