Mira adentro: Tu corazón y pulmones

Learn all about the amazing things your muscular system and skeleton do and how to keep them healthy and strong! With vivid images and clear, informational text in conjunction with supportive diagrams, this Spanish-translated nonfiction title introduces readers to basic biological ideas and vocabulary.

Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It ...

Have you ever wondered what Space Camp is like? Join Isabella as she moon walks through the Moon Room, takes a ride in a Multi-Axis Trainer, tackles the Mars Climbing Wall, and takes the helm at Mission Control. Along the way, you'll practice measuring time. This fiction math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice...

Nuestra misión: que las matemáticas sean una parte divertida en la vida de los niños. Leer cuentos a los niños antes de dormir es maravilloso, pero ¿qué pasa con las matemáticas? Mucha gente no se siente cómoda con las matemáticas y los números, y con frecuencia oímos el "¡Es que no se me dan bien!". Esta actitud se ha ido pasando de padres a hijos durante décadas, y ahora, en nuestra cultura, se piensa que las matemáticas son difíciles, intimidantes y nada divertidas. Matemáticas antes de dormir quiere cambiar eso. Dentro de este libro hay problemas de matemáticas divertidos ...

El primer tomo recrea los ultimos dias de Tula, la gran ciudad fundada por los toltecas. El segundo relato de esta obra se refiere a dos comunidades del valle de Mexico: Xochimilco, un pueblo agricola y Mexico-Tenochtitlan, la gran capital del imperio mexica. La narracion recrea la epoca en que muchos viajeros acudian a la gran ciudad para intercambiar sus productos.