Dólares y centavos ebook

Learn multiplication on a fun-filled trip to the supermarket! The displays, shelves, and layout of a local grocery store provide ample opportunities for students to learn multiplication as they are engaged in reading high-interest content. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The full-color images, math graphs and charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and reading...

3 million years ago, men built the first stone tools for hunting. 2 million years ago, men walked in a completely upright position and had already discovered fire. 1 million years ago, men organized themselves in groups... Okay, okay, but what about the women? Where were the women in the meantime?

Read Along or Enhanced eBook: Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

«Vivimos en este planeta como si tuviéramos otro, y olvidamos que la tierra no nos pertenece: nosotros le pertenecemos a ella. Somos hijos de la tierra, y la tierra confía en nosotros.» Estamos en un momento único en la historia. Y este libro, cuyas palabras brotan de las voces de Jane Goodall, Jacques-Yves Cousteau, David Attenborough, Greta Thunberg o Félix Rodríguez de la Fuente, nos recuerda que debemos cuidar y amar nuestro hogar, porque de esto depende nuestro futuro.

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).