Marilyn Burns’s three-book collection of classroom-tested lessons presents vignettes that bring to life her unique and inspiring problem-solving approach to teaching. The lessons address important concepts and skills in all areas of the math curriculum—number, algebra, geometry, measurement, probability, and statistics. Samples of student work are included throughout. In this book, lessons address logical reasoning; algebra; patterns and functions; probability; ratio, proportion, and fractions; and angles. Samples of student work are included throughout.