Patrones En Los Animales

¿Por qué las huchas tienen forma de cerdito? Si todos los billetes cuestan lo mismo, ¿por qué valen diferente? ¿Qué es el trueque? Aprender a tomar decisiones, a negociar (sí, ¡el intercambio de cromos en el patio es la primera y más dura de las transacciones a las que nos enfrentamos!), a entender la diferencia entre precio y valor es fundamental. Este libro ilustrado nos muestra de una forma muy dinámica, divertida y eficaz las claves básicas para aprender a gestionar la paga y entender qué es el dinero. ENGLISH DESCRIPTION Why are piggy banks shaped like pigs? If all bills cost ...

Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

The classic rhyme of the Ten Little Monkeys gets a fun spin with a roving Mariachi band! ¡Scholastic se enorgullece en presentar una banda de diez mariachis!La banda consiste de dos guitarras, dos guitarrones, violín, vihuela, arpa, trompeta, viola y cantante, y como todas las bandas de mariachis, toca en cumpleaños, bodas, aniversarios... ¡y hasta en la televisión!Putting a fun spin on the classic rhyme of the ten little monkeys, Scholastic is proud to present a magnificent band of ten Mariachis! And like all Mariachi bands, they can play birthdays, weddings, anniversaries and even TV...