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

A humorous handbook for witches, providing instruction in areas such as spells, superstitions, recipes, gardening, and glamour.

English-Spanish bilingual edition teaches young children simple manners and kind behavior. When children are kind, courteous, and respectful, people enjoy being around them and reciprocate with the same behavior. Use this English-Spanish bilingual book to teach manners and help young children understand the importance of showing politeness, speaking kindly, using basic courtesies (“please,” “thank you,” “excuse me”), and respecting the feelings of others. A section at the back of the book, in both English and Spanish, provides questions for discussion, scenarios, and role-play...

Ofrece un enfoque práctico sobre el funcionamiento y la interrelación de los diferentes elementos que configuran el alemán actual. Los temas se abordan de forma sistemática, con gran variedad de empleos normativos y posibles restricciones. Se proporcionan igualmente las pautas para la formación de palabras, cuestión fundamental en el alemán.

Gorillas, wolves, chickens, and kangaroos. It might not seem obvious at first, but these species all have something in common: their individual members must all find their places within their groups. These power struggles can be dangerous! Read about the fierce world of animal alphas and how they make it to the top. This Spanish nonfiction book will keep students engaged in reading as they build their literacy, vocabulary, and comprehension skills. Important text features include a glossary, index, and table of contents. The Reader's Guide and culminating activity require students to connect...