La historia de: los sistemas numéricos: Valor posicional

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

This title will introduce little readers to the 1st president of the United States, George Washington. Readers will gather basic, biographical information about Washington through easy-to-read, simple text. They'll also love the historical photographs and images, the More Facts section, and bolded glossary terms. Translated by native Spanish speakers. . Aligned to Common Core standards and correlated to state standards. Abdo Kids is a division of ABDO..

Conocer las cosas cuando se estan formando, quiere decir comprenderlas mejor. Los elementos de esta transformaicon pueden verse en gran parte en este libro que Bruno Munari ha compilado, basandose en cincuenta lecciones por el profesadas en la Universidad de Harvard.

Finally, a beginning science book that really addresses the needs and interests of the very young child. Since we all eat, we all must poop. It is this basic message that this wonderful book presents in a form that is both humorous and informative.

"Adivinancero dos, además del cúmulo de adivinanzas populares, contiene más de cien nuevas creaciones de los autores, quienes se dieron a la tarea de ocultar entre sus versos enigmas novedosos por descubrir. En este segundo tomo se han incluido textos de Sor Juana y Quevedo, quienes a través de juegos de palabras hacen referencia velada a personajes de la época. Una adivinanza siempre representa un desafío a la inteligencia de quienes participan en su solución."--gandhi.com.mx