Workbook Detail
Function Machine Subtraction Medium — Set 72
Input: 9 → [?] → 21, what is the rule?
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Answer: ×2 + 3
- SubType
- find-rule
- Rule
- ×2 + 3
- Input
- 9
- Output
- 21
- Difficulty
- medium
Input: 2 → [?] → 12, what is the rule?
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Answer: +4 ×2
- SubType
- find-rule
- Rule
- +4 ×2
- Input
- 2
- Output
- 12
- Difficulty
- medium
Input: 5 → [×2 + 3] → ?
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Answer: 13
- SubType
- find-output
- Rule
- ×2 + 3
- Input
- 5
- Output
- 13
- Difficulty
- medium
Input: 1 → [?] → 10, what is the rule?
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Answer: +4 ×2
- SubType
- find-rule
- Rule
- +4 ×2
- Input
- 1
- Output
- 10
- Difficulty
- medium
Input: 5 → [+2] → ?
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Answer: 7
- SubType
- find-output
- Rule
- +2
- Input
- 5
- Output
- 7
- Difficulty
- medium
Input: 7 → [?] → 19, what is the rule?
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Answer: ×3 - 2
- SubType
- find-rule
- Rule
- ×3 - 2
- Input
- 7
- Output
- 19
- Difficulty
- medium
? → [×3] → 12
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Answer: 4
- SubType
- find-input
- Rule
- ×3
- Input
- 4
- Output
- 12
- Difficulty
- medium
? → [×5] → 5
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Answer: 1
- SubType
- find-input
- Rule
- ×5
- Input
- 1
- Output
- 5
- 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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