Workbook Detail
Function Machine Subtraction Hard — Set 53
Input: 1 → [?] → 2, what is the rule?
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Answer: ×2
- SubType
- find-rule
- Rule
- ×2
- Input
- 1
- Output
- 2
- Difficulty
- hard
Input: 7 → [-1] → ?
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Answer: 6
- SubType
- find-output
- Rule
- -1
- Input
- 7
- Output
- 6
- Difficulty
- hard
? → [×3] → 6
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Answer: 2
- SubType
- find-input
- Rule
- ×3
- Input
- 2
- Output
- 6
- Difficulty
- hard
? → [-1] → 2
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Answer: 3
- SubType
- find-input
- Rule
- -1
- Input
- 3
- Output
- 2
- Difficulty
- hard
Input: 4 → [?] → 8, what is the rule?
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Answer: ×2
- SubType
- find-rule
- Rule
- ×2
- Input
- 4
- Output
- 8
- Difficulty
- hard
Input: 2 → [?] → 4, what is the rule?
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Answer: ×3 - 2
- SubType
- find-rule
- Rule
- ×3 - 2
- Input
- 2
- Output
- 4
- Difficulty
- hard
Input: 3 → [-1] → ?
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Answer: 2
- SubType
- find-output
- Rule
- -1
- Input
- 3
- Output
- 2
- Difficulty
- hard
Input: 10 → [×3 - 2] → ?
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Answer: 28
- SubType
- find-output
- Rule
- ×3 - 2
- Input
- 10
- Output
- 28
- Difficulty
- hard
Teaching Notes
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