Marilyn Burns’ signature resource continues to be at the forefront of current trends and practices for improving the teaching and learning of mathematics. Supporting a student-centered, problem-solving approach proven by research to best develop students’ thinking and reasoning of mathematics, Marilyn presents invaluable insights in a standards-driven, practical, and accessible manner. This essential resource includes more than 240 classroom-tested activities and presents the content and pedagogy teachers need to understand the math they are responsible for teaching, use effective teaching strategies, and improve students’ understanding and achievement. The book is organized in five comprehensive parts: “Raising the Issues”; “Instruction Activities for the Content Standards”; “Teaching Arithmetic”; “Mathematical Discussions”; and “Questions Teachers Ask.”