Function Machines

We have been looking at Function Machines in our maths lessons so far this week in Year 5. The children have enjoyed using all 4 operations to try and work out the problems they were given! Thy even put their inverse operation skills to good use! An example of a function machine can be found below. Can you work out what the robot is doing to the original numbers?

 

6 –> ? –> 18

9 –> ? –> 27

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