You can practise your mathematics skills in a challenging scenario where you must think quickly.
Try and get your highest score in each core maths operation:
. Addition
. Subtraction
. Multiplication
. Division
If you think you know it all, then really challenge yourself with the difficult mode.
Challenge your friends and family, or even your teachers to see who is the champion of them all.
Walk the walk and not talk the talk. Lets do it.