Los animales (Animals)

Simple text and photographs introduce the concept of "skip counting," or counting by groups of a certain number, and present items for practice.

NASA wants to send humans to Mars within the next 25 years, but before that can happen, they must plan and prepare. This Spanish Interactiv-eBook 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 ...

Deserts are the driest places on Earth, but they’re full of life! Cacti, kangaroo rats, shrubs, foxes, and more have found ways to adapt to the extreme temperatures and dry conditions of deserts around the world. Readers learn about many of these adaptations as well as the major features of the desert biome. Simple maps highlight some of the biggest deserts, helping readers learn map skills. Full-color photographs reinforce accessible information about the desert ecosystem, including a concluding message of conservation.

La 'Gramática de la Lengua Española' es el resultado de más de diez años de trabajo del catedrático y académico Emilio Alarcos Llorach. Ha sido redactada buscando el equilibrio entre la claridad y el rigor de la exposición, y concebida con una intención normativa y didáctica, por lo que constituye algo más que un mero tratado teórico de la materia. En ella se exponen los rasgos de la gramática del español en los actos orales y escritos de los usuarios de la lengua en este siglo XX, descritos según un hilo conductor consecuente y con una orientación metodológica funcionalista.