Becoming a Problem Solving Genius Author:Edward Zaccaro Every math student needs a tool belt of problem solving strategies to call upon when solving word problems. In addition to many traditional strategies, this book includes new techniques such as Think 1, the 2-10 method, and others developed by math educator Ed Zaccaro. Each unit contains problems at five levels of difficulty to meet the needs of... more » not only the average math student, but also the highly gifted. Answer key and detailed solutions are included. Grades 4-12« less