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 Spanish 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. DRA Level 34. "La NASA quiere enviar humanos a Marte durante los próximos 25 años. Pero antes de que eso sucede, deben haver ca?culos y prepararse. Deben resolver problemas para mantener a la tripulacio? con vida en un planeta tan peligroso. El primer paso es aprender todo lo que se pueda sobre las variables en Marte. Con una planificacio? cuidadosa, seguro será una misio? exitosa."‡c--Page [4] of cover.