Grand Prix - Multi-Player Multiplication Math Game. Content Skill: Multiplication Common Core State Standards: CCSS. freecasinoslotgamesbookofra.reviewtOA.C.7 - Fluently multiply. Play Grand Prix Multiplication at Math Playground! Know your multiplication facts and you can win the race. Help granny win the race while learning the multiplication facts in the free online math game. Learning the times tables is fun.