Matemáticas en Marte (Math on Mars)

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

Introduce students to different parts of the United States with this nonfiction Spanish-translated book. Through various maps, including physical, political, and thematic, readers will learn the geography of the U.S., and be inspired to create a map of their own! Simple informational text features help students navigate the text, while primary source documents and images help build literacy skills and social studies content knowledge.

Esta edición ofrece una introducción y notas a cargo de Enrique Baltanás que permitirán al lector actual un acercamiento crítico a este clásico de la Flamencología. Demófilo es considerado el padre de los estudios folclóricos en España;

This Title Explains What An Ecosystem Is And How The Plants And Animals Within An Ecosystem Rely On And Effect Its Existence. Different Types Of Ecosystems Are Described, As Well As The Food Webs Within Them. How Some Changes To An Ecosystem Can Be Good And How Some Harmful Changes Can Destroy Them. Teaches Students What An Important Role They Can Play In Keeping These Intricate Ecosystems Alive.

In this wonderful PreK-1 book, students will learn all about what it's like to ride on a train as well as the parts and people that make it go!