Aves

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make...

Think about your favorite computer program or smartphone app. Do you know how it was made? In this book, readers will learn about the work that goes into creating the software we use every day. Exciting fact boxes and sidebars add depth to the text with additional information about the software design process. Readers will gain an understanding of the various steps of the software development life cycle. They'll also be introduced to famous software architects and STEM concepts from the Next Generation Science Standards throughout the text.

¿Sabías que las ballenas azules son los animales más grandes de nuestro planeta? ¿O que las nutrias marinas se asean las patas después de cada comida? El mundo está lleno de millones de especies animales, y cada una de ellas es única y especial. Muchas están llamadas a desaparecer. En este libro, Chelsea Clinton les presenta a los pequeños lectores algunos de los animales en peligro de extinción, explicándoles por qué son únicos y especiales y qué clase de peligros corren. No dejes que desaparezcan conduce al lector a lo largo de un día en la vida de rinocerontes, tigres,...

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.