1) There will be shown a number (a result number) above the boardrn2) Tap on 2 numbers to get the result numberrn3) Get the best score possible before the end of the time limitrnrnExamples:rnrn-> The result number is 5rn-> Tap on number +8 and -3 because +8-3 = 5rnrn-> The result number is 3rn-> Tap on number -2 and +5 because -2+5 = 3