number-sense/patterns/function-machines · Set 74

8 problems
1
Input: 4 → [+2] → ? =
2
Input: 9 → [?] → 27, what is the rule? =
3
Input: 5 → [-3] → ? =
4
Input: 8 → [-1] → ? =
5
Input: 4 → [?] → 9, what is the rule? =
6
? → [×5] → 5 =
7
Input: 8 → [?] → 40, what is the rule? =
8
Input: 7 → [×3] → ? =
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