Here is a link to a game called "Fling the Teacher". It helps sharpen your knowledge of Rhythm while having fun! See if you can play it and post your score below!
http://www.musictechteacher.com/music_quizzes/cg_quiz_fling_teacher_rhythm_time.htm
http://www.musictechteacher.com/music_quizzes/cg_quiz_fling_teacher_rhythm_time.htm