Bobson WONG has been teaching math in New York City public high schools since 2005. He is a four-time recipient of the Math for America Master Teacher Fellowship and is a New York State Master Teacher. He is the co-author of The Math Teacher's Toolbox: Hundreds of Practical Ideas to Support Your Students. Larisa BUKALOV has been teaching math in New York City public high schools since 1998. She has received numerous awards in mathematics education, including the Math for America Master Teacher Fellowship. In addition to being the co-author of The Math Teacher's Toolbox, she also teaches courses in mathematics literacy methods at Touro University. Steve SLAVIN has a PhD in economics from New York University, and taught economics for thirty-one years at New York Institute of Technology, Brooklyn College, and New Jersey's Union County College of Mathematics.