Easy Problems for Smart People: Playing Math with Kangaroo

Based on a long experience in problem posing and solving, the author gathers into this book a selection of problems addressing middle school, distributed in 8 chapters: numbers and operations on numbers, plane geometry, space geometry, algebraic computation, logic and sets, patterns and functions, measurement, and data processing. Many of these problems are related to the International Kangaroo Competition.

The book focuses on problems that are challenging, routine-free, and inquiry-based, a...