Function Machines
36
Medium
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Here is a number machine.

A flow diagram of a number machine.

input → ×5\times 5×5 → +9+ 9+9 → output

a.

Find the output when the input is 5

[1]
b.

Find the output when the input is -2

[1]
c.

Find the input when the output is 64

[2]

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.

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Function Machines Questions

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