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Developing Mathematical Reasoning Gerd- R. Puin and women unaffiliated with theseMath is not rote memorizable. Math is not random guessable. Math is figure out able. Author Pam Harris argues that teaching real math math that is free of distortions will reach more students more effectively and result in deeper understanding and longer retention. This book is about teaching undistorted math using the kinds of mental reasoning that mathematicians do. Memorization tricks and algorithms meant to make math "easier" are full of traps