Here is a rule-based number machine.
What is the output when the input is 9?
Input →\to→ [×2\times 2×2] →\to→ [+11] → \to\,→ Output
Here is a different rule-based machine.
Input →\to→ [-3] →\to→ [ . . . . . ] → \to\,→ Output
When the input is 8, the output is 25.
Complete the number machine.
Practise Edexcel GCSE Maths Function Machines with exam-style questions for Foundation and Higher tier. 39 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.