Transforming the perception of mathematics, this book reveals its entertaining side through engaging examples and intriguing concepts. Veteran educators Posamentier and Lehmann highlight the joy in math, showcasing unique pairs like the "Ruth-Aaron pair" and exploring the fascinating properties of numbers often neglected in traditional education. By presenting clever problems with unexpected solutions, they aim to enhance problem-solving skills and demonstrate that math can be both enjoyable and enlightening, challenging the notion that it is dull.
Ingmar Lehmann Book order






- 2014
- 2012
Exploring the fascinating properties of triangles, this book reveals surprising geometrical secrets, such as the concurrency of lines drawn from tangency points to opposite vertices. It challenges the perception of mathematics as dry and intimidating, showcasing how geometry can be both enjoyable and intellectually engaging. Readers will discover the beauty and intrigue behind basic shapes, making complex concepts accessible and entertaining. This work promises to transform the way one thinks about mathematics.
- 2011
The Glorious Golden Ratio
- 368 pages
- 13 hours of reading
Exploring the Golden Ratio, this book delves into its historical discovery and significance in mathematics. The authors highlight its presence across various cultures and time periods, showcasing ingenious construction techniques and revealing the unexpected geometric figures that incorporate this fascinating phenomenon. Readers will gain a deeper understanding of the Golden Ratio's role in art, nature, and architecture through engaging explanations and illustrations.
- 2009
Mathematical Amazements and Surprises
Fascinating Figures and Noteworthy Numbers
- 270 pages
- 10 hours of reading
Engaging with mathematical curiosities, this book reveals surprising insights, such as the high probability of two people sharing a birthday in a group of thirty-five. Designed for general readers with just a high school math background, it offers entertaining tricks for quick arithmetic and explores intriguing properties of numbers that can lead to counterintuitive results. Through these explorations, readers will gain a deeper understanding of numbers, enhance their mathematical skills, and develop an appreciation for the elegance of mathematics.