Understanding algebra is a very important skill when working with function machines. The dictionary tells us that a machine is a device that carries out a task.Some machines, like forklifts and ...

The women behind "Moebius Noodles: Adventurous Math for the Playground Crowd" are back with another fun math game they call Function Machines.

This can be demonstrated using a function machine. The function, multiply by 3 and then subtract 1 , can be applied to different values. If 5 is the input, the output is 14 because 5 × 3 – 1 = 14.