Math Center: Sums to 10 Flash Cards Try these Quizlet Flash Cards to test your understanding of addition. Choose from one of the sets below.Flash Card Set 1Flash Card Set 2Flash Card Set 3Flash Card Set 4 Game 1 Ready for a game? This fishing game will test your understanding of addition.Ready? Click on the Go button.Game 2 Ready for another game? This balloon game will test your understanding of addition.Ready? Click on the Go button. Test Prep Ready to really test your understanding of addition? Try this test prep interactive.Ready? Click on the Go button.