Workbook Detail
Function Machine Subtraction Hard — Set 99
Input: 6 → [×2 + 1] → ?
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Answer: 13
- SubType
- find-output
- Rule
- ×2 + 1
- Input
- 6
- Output
- 13
- Difficulty
- hard
? → [-1] → 7
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Answer: 8
- SubType
- find-input
- Rule
- -1
- Input
- 8
- Output
- 7
- Difficulty
- hard
Input: 1 → [×2] → ?
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Answer: 2
- SubType
- find-output
- Rule
- ×2
- Input
- 1
- Output
- 2
- Difficulty
- hard
Input: 4 → [+4 ×2] → ?
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Answer: 16
- SubType
- find-output
- Rule
- +4 ×2
- Input
- 4
- Output
- 16
- Difficulty
- hard
? → [×2] → 16
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Answer: 8
- SubType
- find-input
- Rule
- ×2
- Input
- 8
- Output
- 16
- Difficulty
- hard
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
- hard
? → [×5] → 5
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Answer: 1
- SubType
- find-input
- Rule
- ×5
- Input
- 1
- Output
- 5
- Difficulty
- hard
Input: 5 → [+2] → ?
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Answer: 7
- SubType
- find-output
- Rule
- +2
- Input
- 5
- Output
- 7
- 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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