The listing, Math Problem Challenge (Steam Key) has ended.
https://store.steampowered.com/app/860380/Math_Problem_Challenge/
About This Game
Challenge your problem solving skills in this fast paced math game. Each round consists of three math problems: addition, subtraction, multiplication. You must select the correct answer in the limited amount of time that would correctly complete the equation. You can track the number of right and wrong answers by count and by assigned letter grades that change as you progress. Select from multiple difficulty settings and restart at anytime to clear your progress and try to achieve 100%. With endless levels, randomized math equations, multiple difficulty settings, and an easy to use interface Math Problem Challenge will provide hours of challenges.
Features:
Endless Rounds
3 Problems Per Round
Addition, Subtraction, and Multiplication Problems
Multiple Difficulty Settings
Random Math Equations