Workbook Detail
Function Machine Subtraction Hard — Set 85
Input: 6 → [×2] → ?
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Answer: 12
- SubType
- find-output
- Rule
- ×2
- Input
- 6
- Output
- 12
- Difficulty
- hard
Input: 1 → [?] → 0, what is the rule?
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Answer: -1
- SubType
- find-rule
- Rule
- -1
- Input
- 1
- Output
- 0
- Difficulty
- hard
Input: 3 → [?] → 7, what is the rule?
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Answer: ×2 + 1
- SubType
- find-rule
- Rule
- ×2 + 1
- Input
- 3
- Output
- 7
- Difficulty
- hard
? → [-1] → 8
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Answer: 9
- SubType
- find-input
- Rule
- -1
- Input
- 9
- Output
- 8
- Difficulty
- hard
? → [+2] → 9
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Answer: 7
- SubType
- find-input
- Rule
- +2
- Input
- 7
- Output
- 9
- Difficulty
- hard
Input: 7 → [?] → 15, what is the rule?
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Answer: ×2 + 1
- SubType
- find-rule
- Rule
- ×2 + 1
- Input
- 7
- Output
- 15
- Difficulty
- hard
Input: 4 → [?] → 16, what is the rule?
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Answer: +4 ×2
- SubType
- find-rule
- Rule
- +4 ×2
- Input
- 4
- Output
- 16
- Difficulty
- hard
Input: 6 → [+10] → ?
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Answer: 16
- SubType
- find-output
- Rule
- +10
- Input
- 6
- Output
- 16
- Difficulty
- hard
Teaching Notes
Practice function machine subtraction with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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