This Spanish math reader will engage students as they read about STEM topics, building both their literacy skills and math content knowledge. With a focus on NASA's Mission to Mars, students will learn problem solving through the use of real-world examples. Captivating images, practice problems, and mathematical charts and diagrams help develop students' problem solving skills. Text features such as a glossary, index, and a table of contents increase understanding and build critical literacy skills. The DOK-leveled Math Talk section facilitates mathematical discourse and higher order thinking skills with questions that students can respond to at school or home. The extensive Problem Solving section and Let's Explore Math sidebars provide numerous opportunities for students to practice what they have learned. Learning how to problem solve is fun and easy with this engaging grade 3 math reader!