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

De la A a la Z, cuentos con rima, maravillosamente ilustrados, que invitan a reconocer las letras con humor y fantasía. Con instrucciones didácticas para el adulto que acompaña la primera lectura y ejercicios recomendados para los niños. Con letra mayúscula de imprenta. Disponible en Argentina y países limítrofes.

In this inspiring biography, readers will learn about the incredible journey of Helen Keller. Using informational, Spanish-translated text and expressive images and photos, readers will discover the undeniable determination that Keller had as a young deaf and blind girl and how her teacher, Anne Sullivan, helped her to read, write, speak, and graduate from college. With a timeline, a bibliography, and a glossary of terms, children are given the tools they need to expand their knowledge about this fascinating and inspiring woman. This 6-Pack includes six copies of this title and a lesson plan.

Children learn about the features of Tyrannosaurus Rex, what Tyrannosaurus Rex ate, and how it attacked other dinosaurs.

Teach students about World War I and how it began with this nonfiction Spanish-translated book. Readers will learn about important topics such as neutrality, alliances, propaganda, liberty bonds, and communism. Intriguing facts, primary source images, and supportive text work to engage readers and help students understand the social studies content. Informational text features help students navigate the text.