Kids love mysteries. They enjoy uncovering clues and piecing the clues together to find the solution. This book uses this interest in sleuthing to develop math skills. In each lesson, students are presented with a mystery to solve. By doing math and logic problems, they find clues that allow them to solve the mystery. With each math mystery students play the roles of mathematicians as well as detectives. Each of the 13 mysteries presents a motivating opportunity to review and apply essential math processes. Book jacket.