Workbook Detail
Function Machine Subtraction Hard — Set 40
? → [×5] → 20
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Answer: 4
- SubType
- find-input
- Rule
- ×5
- Input
- 4
- Output
- 20
- Difficulty
- hard
? → [×2 + 1] → 3
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Answer: 1
- SubType
- find-input
- Rule
- ×2 + 1
- Input
- 1
- Output
- 3
- Difficulty
- hard
Input: 8 → [?] → 19, what is the rule?
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Answer: ×2 + 3
- SubType
- find-rule
- Rule
- ×2 + 3
- Input
- 8
- Output
- 19
- Difficulty
- hard
? → [-1] → 4
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Answer: 5
- SubType
- find-input
- Rule
- -1
- Input
- 5
- Output
- 4
- Difficulty
- hard
Input: 8 → [×2 + 1] → ?
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Answer: 17
- SubType
- find-output
- Rule
- ×2 + 1
- Input
- 8
- Output
- 17
- Difficulty
- hard
Input: 4 → [?] → 6, what is the rule?
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Answer: +2
- SubType
- find-rule
- Rule
- +2
- Input
- 4
- Output
- 6
- 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
? → [×3] → 3
Show answer
Answer: 1
- SubType
- find-input
- Rule
- ×3
- Input
- 1
- Output
- 3
- 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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