Play as a class for review or allow students to play individuallly for enrichment. Tangrams Students can construct their own tangram pieces at this web site. Cryptarithms Cryptarithms are brain teasers obtained when digits in numerical calculations have been replaced by letters. Customarily, distinct letters stand for different digits. Stars substitute for any digit and are not related to each other.
Dots stand for a decimal point.
FunBrain Free games, etc.