Here is a number machine.
What is the output when the input is 6?
Input →\to→ [×4\times 4×4] →\to→ [+5] → \to\,→ Output
Here is a different number machine.
Input →\to→ [+5] →\to→ [ . . . . . ] → \to\,→ Output
When the input is 15, the output is 4.
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.