Just saw this in iTunes...
All Everyday Math Games Apps are available for FREE download during the NCTM conference (April 13-16)!!!
These apps are normally priced around $1.99.
App titles include Addition Top-It™, Subtraction Top-It™, Monster Squeeze™, ,Beat the Computer™, Name that Number™, Equivalent Fractions™, Tric-Trac™, Monster Squeeze™, Baseball Multiplication 1–6™ Facts, Baseball Multiplication 1–12™ Facts, and Divisibility Dash™.