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Denise Gaskins' Let's Play Math
Helping families to learn and enjoy math together.
Want to help your kids learn math? Claim your free 24-page problem-solving booklet, and sign up to hear about new books, revisions, and sales or other promotions.
A contrarian view of Pi Day:
http://ccssimath.blogspot.com/2013/03/the-life-of-pi.html