Apuntes de matemáticas

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long! The Ichthyosaurs looked a lot...

In this basic concept, Spanish-translated nonfiction book, bright photos and simple, Informational text encourage beginning readers to compare sizes to find what's big and little in their world! This 6-Pack includes six copies of this title and a lesson plan.

"Deca̕ un poeta espaǫl que, en Nueva York, las estrellas le pareca̕n anuncios luminosos. A m,̕ en cambio, los anuncios luminosos me parecen estrellas, y Nueva York, es, en mi concepto, una ciudad romǹtica, no a pesar de su brutalidad y de su codicia, sino por elas precisamente. Por su brutalidad y su codicia, por su estridencia, por su violencia, por su culto de las cats̀trofes, por su sacrificio constante del pasado y del porvenir al momento presente, por la organizacin̤ comercial de sus crm̕enes y la organizacin̤ criminal de sus negocios, por su clima contradictorio, desmesurado e...

Learn how scientists channel energy from the sun to power awesome innovations! Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds 1st grade students’ early literacy skills.