Al rescate de los anfibios (Amphibian Rescue) eBook

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.

En 1995, Iqbal Masih, se convirtió en mártir por la lucha contra la esclavitud infantil al ser asesinado en Lahore, su localidad natal. Iqbal denunció su situación ante la opinión pública para concienciar al mundo de una injusticia que afecta a millones de menores en el mundo. A partir de la recreación de los testimonios de los que lo conocieron, lo escucharon o lo odiaron, asistimos a la descripción de un personaje cuya labor ha sido imprescindible en la búsqueda de un mundo mejor.

Immigrants help make the United States a special place. Learn all about the history of immigration to the United States as you sharpen your data measurement skills! This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, sidebars, and math diagrams extend the learning experience and provide multiple...

Poems celebrating the life and work of Cesar Chavez and the Mexican American labor movement in the 20th century. This thoughtful and beautiful biography illuminates not only the events that made up the great labor leader's life, but also the ideals and inspiration that are his legacy.