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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...

Una detallada e ilustrativa explicación de por qué nosotros y todo lo que nos rodea está hecho del mismo Material de las estrellas. Este libro ilustrado es una adaptación para niños y niñas del afamado título Hijos de las estrellas, de María Teresa Ruiz. En él, los lectores conocerán cómo la autora llegó a convertirse en astrónoma, la importancia de la curiosidad para poder dar respuesta a los grandes misterios del universo, y cómo nosotros, los seres humanos, estamos íntimamente relacionados con la vida y la muerte de una estrella. Las ilustraciones están a cargo de Valentina ...

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

Provides the story of the black woman whose refusal to give up her seat on a bus in Alabama set in motion all the events of the civil rights movements that resulted in the end of the segregated South.