Workbook Detail
Function Machine Subtraction Hard — Set 28
Input: 5 → [×3 - 2] → ?
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Answer: 13
- SubType
- find-output
- Rule
- ×3 - 2
- Input
- 5
- Output
- 13
- Difficulty
- hard
Input: 7 → [×2 + 3] → ?
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Answer: 17
- SubType
- find-output
- Rule
- ×2 + 3
- Input
- 7
- Output
- 17
- Difficulty
- hard
? → [+5] → 6
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Answer: 1
- SubType
- find-input
- Rule
- +5
- Input
- 1
- Output
- 6
- Difficulty
- hard
Input: 9 → [?] → 6, what is the rule?
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Answer: -3
- SubType
- find-rule
- Rule
- -3
- Input
- 9
- Output
- 6
- 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
Input: 7 → [+10] → ?
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Answer: 17
- SubType
- find-output
- Rule
- +10
- Input
- 7
- Output
- 17
- Difficulty
- hard
Input: 7 → [?] → 6, what is the rule?
Show answer
Answer: -1
- SubType
- find-rule
- Rule
- -1
- Input
- 7
- Output
- 6
- 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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