El uso de instrumentos para entender nuestro mundo / Using Tools to Understand Our World

Explains, in simple terms, the reasons for skin color, how it is determined by heredity, and how various environmental factors affect it.

Visiting an aquarium is fun. There are many fish, sharks, birds, penguins, sea otters, and other creatures to see. Dive into learning subtraction as you read about the many animals at the aquarium! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning subtraction easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading...

Born into slavery, Frederick Douglass relied on his own determination and ingenuity to carve a path to freedom. Once free, he dedicated his life to improving the lives of others and fighting for justice and equality. This inspirational Spanish biography uses primary sources to engage students in learning about the fascinating life of Frederick Douglass. Students will build their literacy skills as they are immersed in social studies content. Text features include a glossary and an index to increase comprehension and academic vocabulary.

En un tiempo de gran orfandad apenas saber cómo decir . El enemigo usurpó las palabras, nos devaluó las posibilidades del lenguaje. Vivimos en guerra contra los asesinos de la esperanza y la compasión. Somos, Huérfanos aún, si entendemos con Arturo Borra que No será por vocación de distancia / si la inquietud cava subterráneos / y las vallas no detienen el pulso// . Convenimos con Laura Giordani que ante el daño sobre los indefensos, el derrumbe de lo frágil, la narcosis del lector masivo y la banalización de la cultura light, que No bastará con la poesía; habrá que tener...