Workbook Detail
Function Machine Addition Medium — Set 81
Input: 3 → [×2 + 3] → ?
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Answer: 9
- SubType
- find-output
- Rule
- ×2 + 3
- Input
- 3
- Output
- 9
- Difficulty
- medium
Input: 10 → [×3 - 2] → ?
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Answer: 28
- SubType
- find-output
- Rule
- ×3 - 2
- Input
- 10
- Output
- 28
- Difficulty
- medium
? → [-3] → 1
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Answer: 4
- SubType
- find-input
- Rule
- -3
- Input
- 4
- Output
- 1
- Difficulty
- medium
Input: 9 → [×2] → ?
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Answer: 18
- SubType
- find-output
- Rule
- ×2
- Input
- 9
- Output
- 18
- Difficulty
- medium
? → [×5] → 20
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Answer: 4
- SubType
- find-input
- Rule
- ×5
- Input
- 4
- Output
- 20
- Difficulty
- medium
Input: 1 → [+5] → ?
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Answer: 6
- SubType
- find-output
- Rule
- +5
- Input
- 1
- Output
- 6
- Difficulty
- medium
Input: 7 → [?] → 21, what is the rule?
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Answer: ×3
- SubType
- find-rule
- Rule
- ×3
- Input
- 7
- Output
- 21
- Difficulty
- medium
Input: 10 → [+2] → ?
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Answer: 12
- SubType
- find-output
- Rule
- +2
- Input
- 10
- Output
- 12
- Difficulty
- medium
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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