Consider the following number machine.
It performs the operations: multiply by 5, then subtract 12.
a.[1]
Work out the output when the input is 8.
b.[2]
Work out the input when the output is 18.
Function Machines Questions
Practise OCR GCSE Maths Function Machines with exam-style questions for Foundation and Higher tier. 39 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.