La historia de: los sistemas numéricos: Valor posicional

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

Wismichu, uno de los mayores youtubers españoles, te explica todas las claves imprescindibles para sobrevivir en el mundo de hoy en día. Este no es otro libro de youtubers. Este libro te aportará algo, o al menos lo intentará. Porque al final, internet es como el patio del cole: un infierno. Así que, básicamente, tienes que aprender a defenderte, porque si te rindes, pierdes. Aprende a identificar a tus amigos y -más importante todavía- aprende a identificar a los trolls y a evitarlos como la peste. Aprende cómo destacar, cómo conservar tu personalidad y no convertirte en un clan de ...

A tale of the scary fantasies that arise in the darkness, the fear of cruel and wicked beings, and the desire to be protected.

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.

Introduce your child to the different types of resources that animals use to survive in the wild in the Spanish children's book Las necesidades de los animales. What are the different kinds of resources that animals use to stay alive? Learn about why animals need food, water, shelter, and more. Spanish Book Features: This Spanish children’s science book features a photo glossary, new vocabulary words, and an extension activity to help develop reading comprehension skills while meeting NGSS life science standards. 24 pages of vibrant photographs About Rourke Educational Media: We proudly...