Un día de trabajo de un astrónomo (A Day at Work with an Astronomer)

Without dentists, we wouldn’t know how to take care of our teeth! Readers will enjoy following this story’s narrator as they go for a check-up and cleaning at the dentist. The narrator learns how to brush and floss to keep their teeth healthy and clean. This book pairs a fun story with colorful illustrations to keep young readers and listeners engaged in the story.

Obra Literaria sobre Los Libros Proféticos de Enoc, los cuales fueron encontrados en las cavernas de Qumran, en el Mar Muerto, en 1947. Esos libros hacen parte de un conjunto de Manuscriptos Sagrados encontrados en las proximidades del Mar Muerto.

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.

Los refranes son fases que circulan entre los pueblos de modo oral y reflejan la sabiduría popular. Carlos Silveyra propone en este libro variantes divertidas de los refranes más conocidos, con remates y salidas inesperadas, propias de la picardía infantil. Este material surge de boca de los chicos de distintas latitudes de nuestro país y fue recopilado por el autor durante sus muchos años de experiencia docente.

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...