Workbook Detail
Function Machine Subtraction Expert — Set 89
? → [+2] → 4
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Answer: 2
- SubType
- find-input
- Rule
- +2
- Input
- 2
- Output
- 4
- Difficulty
- expert
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
- expert
Input: 6 → [+4 ×2] → ?
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Answer: 20
- SubType
- find-output
- Rule
- +4 ×2
- Input
- 6
- Output
- 20
- Difficulty
- expert
Input: 8 → [?] → 24, what is the rule?
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Answer: +4 ×2
- SubType
- find-rule
- Rule
- +4 ×2
- Input
- 8
- Output
- 24
- Difficulty
- expert
Input: 6 → [?] → 15, what is the rule?
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Answer: ×2 + 3
- SubType
- find-rule
- Rule
- ×2 + 3
- Input
- 6
- Output
- 15
- Difficulty
- expert
? → [-1] → 2
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Answer: 3
- SubType
- find-input
- Rule
- -1
- Input
- 3
- Output
- 2
- Difficulty
- expert
? → [×2 + 3] → 19
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Answer: 8
- SubType
- find-input
- Rule
- ×2 + 3
- Input
- 8
- Output
- 19
- Difficulty
- expert
Input: 8 → [?] → 40, what is the rule?
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Answer: ×5
- SubType
- find-rule
- Rule
- ×5
- Input
- 8
- Output
- 40
- Difficulty
- expert
Teaching Notes
Practice function machine subtraction with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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