What will it take to send people to Mars in the next 25 years? Students will learn that problem solving is an essential component of NASA's planned mission to mars. This book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math, language arts, and STEM content. Students will learn problem solving while engaged in reading high-interest content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math Talk problems will develop students' higher order thinking skills, and also provide additional opportunities for students to apply what they've learned. This intriguing text makes learning STEM concepts fun and easy.