Expansión de la nación (Expanding the Nation) 6-Pack

This book introduces the reader to the nighttime world of the rat, including its habitat, activities, diet, and the unique things that it does.

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

Many animals live in water, but only some can be defined as fish. Twenty-eight thousand species of fish exist, each with different characteristics. Readers from grades one through four will learn that fish have a distinct impact on their ecosystem and will see how fish survive when well-adapted to an uncompromised environment. Beautiful photographs demonstrate the great diversity of fish and accompany intellectually stimulating explanations of their varying roles and traits. From page to page, what a fish is unfolds in vocabulary call-outs, insightful questions, and relatable...

Una guía llena de ilustraciones, cómics, diagramas, preguntas y ejemplos reales sobre la comunicación online y offline para navegar y expresarse en las redes de una forma positiva y respetuosa. Cuando discutes con un amigo, cuando estás en el instituto, cuando publicas algo en las redes sociales o respondes a un mensaje, eres tú el que decide cómo comportarte y qué persona quieres ser para aquellos que te rodean. Este libro no es un manual sobre cómo usar internet, sino un recorrido para revolucionar tu forma de comunicarte, tanto en la red como en la vida offline. ¿Quieres cambiar...