Yellow: Level 1:The answer will always be five or under for building confidence.
Green: Level 2:Both numbers will be 10 or under giving for a greater variety of questions than level 1, but allowing a solid progression in difficulty.
Purple: Level 3:Both numbers will be 20 or under – steady progression. In timed mode, 10 questions are asked requiring increased concentration.
Brown: Level 4:Both numbers will be 50 or under.
Red: Level 5:Both numbers will be under 100.