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

Rights are things that make life fair for everyone. But sometimes people are treated unfairly. When this happens, we have to stand up for what is right. We have to become civil rights champions! This Spanish nonfiction book will teach students about civil rights, and introduces them to new vocabulary terms and concepts. Important text features include a glossary, index, and table of contents to engage students in reading as they develop their comprehension, vocabulary, and literacy skills. The Reader's Guide and culminating activity require students to connect back to the text as they develop ...

Destined to become an etiquette bible for girls everywhere, this comprehensive and humorous reference provides a wealth of tips and tricks for how to act, feel, and look one’s best in every situation—whether at school, at home, with friends, or with romantic interests. This is an essential manual that proves that proper etiquette goes beyond just “please” and “thank you.” Destinada a convertirse en una biblia de etiqueta para niñas en todas partes, esta referencia comprensiva y humorística provee un buen número de consejos y trucos para cómo actuar, lucir y sentirse mejor en...

Un delicioso muestrario de monstruos, animales de leyenda y seres extraños. Un recorrido fantástico por las mitologías del mundo entero que fascinará a los lectores curiosos. #MonstruosDelMundo Si has llegado hasta este libro es porqué eres consciente de que no estás solo. Sabes que habitas en un mundo lleno de criaturas misteriosas, que respiran a nuestro lado desde que el mundo es mundo. Este es un muestrario de los monstruos conocidos, un catálogo de animales de leyenda, una pequeña biblia de la mitología de seres extraños que han poblado la tierra desde tiempos ancestrales. Este ...

Get readers excited to learn about the various technological innovations that have occurred throughout history--and what could be possible in the future! Through informational text, interesting and intriguing facts in conjunction with vivid images, diagrams, and charts, readers will learn about miraculous inventions such as holograms, 3D printing, virtual reality technology, personalized medicine, and bionic body parts. Throughout this Spanish-translated nonfiction title, readers will be engaged and encouraged to imagine the next big technological innovation that could change the world! This...