La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

Now available in a Spanish language edition, this charming board book was originally published in English by Barron's in Spring 2003, titled My Own Human Body. It explains the human body in a series of words and pictures that are simplified for preschool boys and girls. The heavy board pages are die-cut in the shape of a smiling little boy. When kids lift the front cover, they remove his shirt and see the location of his heart. The text gives a simple explanation of how the heart pumps blood through the entire body. As kids turn successive pages, they observe the human body's interior and...

This nonfiction Spanish book teaches students about the earth’s cycles, and introduces them to important scientific concepts and vocabulary terms like combustion, hydrosphere, biosphere, and fossil fuels. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.

This Title Introduces Students To The World Of Agriscience With In Depth Information On How Animal Science Affects Our Daily Lives. Also Gives A Wide Array Of Careers In This Growing Field, From Biologists To Geneticists, To Zoologists.

Carla y su hermano Miguel se acaban de trasladar a París junto a su padre. Miguel rompe accidentalmente un escarabajo de cristal del museo Louvre. A continuación, Carla se despierta, sin saber cómo ni por qué, en el antiguo Egipto de los faraones. La protagonista tratará de encontrar el modo de volver a casa y a su tiempo.