Workbook Detail
Function Machine Addition Hard — Set 89
Input: 5 → [×2 + 3] → ?
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Answer: 13
- SubType
- find-output
- Rule
- ×2 + 3
- Input
- 5
- Output
- 13
- Difficulty
- hard
Input: 4 → [?] → 9, what is the rule?
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Answer: ×2 + 1
- SubType
- find-rule
- Rule
- ×2 + 1
- Input
- 4
- Output
- 9
- Difficulty
- hard
Input: 6 → [-1] → ?
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Answer: 5
- SubType
- find-output
- Rule
- -1
- Input
- 6
- Output
- 5
- Difficulty
- hard
Input: 3 → [×2 + 1] → ?
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Answer: 7
- SubType
- find-output
- Rule
- ×2 + 1
- Input
- 3
- Output
- 7
- 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: 10 → [?] → 7, what is the rule?
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Answer: -3
- SubType
- find-rule
- Rule
- -3
- Input
- 10
- Output
- 7
- Difficulty
- hard
Input: 6 → [+5] → ?
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Answer: 11
- SubType
- find-output
- Rule
- +5
- Input
- 6
- Output
- 11
- Difficulty
- hard
? → [+5] → 7
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Answer: 2
- SubType
- find-input
- Rule
- +5
- Input
- 2
- Output
- 7
- Difficulty
- hard
Teaching Notes
Practice function machine addition with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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