http://wholebrainteaching.com/. It is such an exciting and engaging way to teach.
To explain more about the cards above, Level 1 is Smileys and Frownies- Level 2 is to focus on one of the rules (for example Rule 2: Raise your hand for permission to speak. I always say not to be a squawker.) -Level 3 is Girls versus Boys- Level 4 is Doubles Day (which is great for adding doubles all day long)- and Level 5 is Students versus Teacher.