DOUBLE TAP TO ZOOM WITH PHONE OR TABLET Acknowledgments Thanks to: Beth Wallace for leading the charge on the first edition of this book and initiating the ideas and format involved Eileen Nelson for editing the first edition Jarrod Green for joining me in writing chapter 12 of this edition to help teachers make learning evident to others through effective documentation strategies David Heath and Kyra Ostendorf for their support in editing and producing the second edition COPYRIGHTED MATERIAL