This book explains difficult math concepts in an easy to understand and entertaining format using cartoons and drawings. Children love the real world connections between math and science and will be challenged by over 1000 problems in areas such as algebra, astronomy, trigonometry, probability, and more. Answers are included in the back of the book. A great resource for those of any age who love math. Challenge Math is designed for children in grades 4-8 with higher math ability and interest but could be used by older students and adults as well. Contains 20 chapters with instruction and problems at three levels of difficulty. Challenge Math can be used by children independently or in a classroom setting. This edition not only contains answers, but it also contains step by step solutions to the problems.