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 illustrated book introduces children to the constellations. It also provides a legend and the best time to be able to view for each one.

Sumario en español: Utiliza un formato novela gráfica para examinar la historia del monstruo del Lago Ness y de los esfuerzos para descubrir y identificar el animal acuático grande.

In this informative, Spanish-translated nonfiction title, readers will learn the ways that people start from almost nothing to become millionaires and billionaires. Through examples of hard work and smart financial decisions, readers gain an understanding of how to invest money responsibly in stocks, commodities, bonds, and mutual funds while also learning the various ways that people have been successful in entrepreneurships. Informational text, fascinating facts, and a glossary of useful terms work in conjunction with vibrant images and inspirational examples to engage readers from cover to ...

Esta antología, preparada con dedicación, algunas dudas y mucho cariño, ofrece al lector de cualquier edad un poco de juego, de reinvención, de disparate, de ingenio, de sorpresa, de humor..., pero también contenidos profundamente humanos, morales: amor,