"Beast Academy is a series of illustrated textbooks and workbooks from the math beasts at Art of Problem Solving. Together with the companion website, www.BeastAcademy.com, Beast Academy provides a rigorous, challenging, engaging, and fun curriculum for aspiring math beasts in grades 2-5. This is practice book 3B in a four-book series for third grade. Practice book 3B covers multiplication, perfect squares and the distributive property and includes over 300 challenging problems and puzzles to reinforce the concepts taught in the guide"--Back cover.