“posamentier alfred s lehmann ingmar”

PI - this seemingly mundane number-holds a world of mystery, which has fascinated mathematicians from ancient times to the present. What is PI? What is the real value of PI? How do mathematicians determine the value of PI? In what ways is PI used? How was it calculated in ancient times? Its elusive ... More

In this delightful layperson's introduction to one of math's most interesting phenomena, the authors review pi's history from pre-biblical times to the 21st century.We all learned that the ratio of the circumference of a circle to its diameter is called π and that the value of this algebraic symb... More

Activities in Algebra is a set of versatile enrichment exercises that covers a very broad range of mathematical topics and applications-from the Moebius strip to the googol. Several criteria have been used in developing the activities and in selecting the topics that are included. All of them bear h... More

Activities in Geometry is a set of versatile enrichment exercises that covers a very broad range of topics in geometry-Euclidean, post-Euclidean, and non-Euclidean. Several criteria have been used in developing the activities and in selecting the topics that are included. All of them bear heavily, a... More

Through dozens of examples from arithmetic, algebra, geometry, and probability, Alfred S. Posamentier reveals the amazing symmetries, patterns, processes, paradoxes, and surprises that await students and teachers who look beyond the rote to discover wonders that have fascinated generations of great ... More

"The book is very easy to follow, with practical, research-based strategies for the teacher to use. It also provides insight to better remediate students who are struggling." -Allen Stevens, Math/Science Teacher Mooresville Middle School, NC "The 'Precautions and Pitfalls' section is such a welcome ... More

As a mathematics teacher, you know how hard it can be for your students to understand and solve math problems. The old ways of problem solving don't always work. Even the most innovative teachers need some fresh ideas to make mathematics something students comprehend and enjoy. Problem solving is th... More

""The authors have provided a unique, strategy-focused resource supported by a wealth of engaging examples that mathematics teachers can readily use to help students develop a more purposeful, systematic, and successful approach to problem solving.""-Howard W. Smith, Superintendent Public Schools of... More

"Provides a much-needed addition to our arsenal of instructional tools. Particularly for new teachers, this book is like having a colleague with years of experience, always at your side." Linda Curtis-Bey, Director of Mathematics New York City Department of Education "A great resource for math teach... More