Workbook Detail
Function Machine Addition Expert — Set 91
? → [×2 + 1] → 19
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Answer: 9
- SubType
- find-input
- Rule
- ×2 + 1
- Input
- 9
- Output
- 19
- Difficulty
- expert
Input: 5 → [×2 + 3] → ?
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Answer: 13
- SubType
- find-output
- Rule
- ×2 + 3
- Input
- 5
- Output
- 13
- Difficulty
- expert
Input: 9 → [?] → 8, what is the rule?
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Answer: -1
- SubType
- find-rule
- Rule
- -1
- Input
- 9
- Output
- 8
- Difficulty
- expert
? → [+10] → 12
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Answer: 2
- SubType
- find-input
- Rule
- +10
- Input
- 2
- Output
- 12
- Difficulty
- expert
Input: 6 → [?] → 30, what is the rule?
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Answer: ×5
- SubType
- find-rule
- Rule
- ×5
- Input
- 6
- Output
- 30
- Difficulty
- expert
Input: 10 → [?] → 15, what is the rule?
Show answer
Answer: +5
- SubType
- find-rule
- Rule
- +5
- Input
- 10
- Output
- 15
- Difficulty
- expert
Input: 9 → [?] → 11, what is the rule?
Show answer
Answer: +2
- SubType
- find-rule
- Rule
- +2
- Input
- 9
- Output
- 11
- Difficulty
- expert
Teaching Notes
Practice function machine addition with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
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