Here is a number machine.
Input⟶÷2⟶+15⟶Output \text{Input} \longrightarrow \div 2 \longrightarrow + 15 \longrightarrow \text{Output} Input⟶÷2⟶+15⟶OutputFind the output when the input is 40
Find the input when the output is 25
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.