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Explores The Machines Used And The Physics Involved That Make Moving From One Level To Another In A City Environment Easier.

¿Por qué las alcancías 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 estampas en el patio es la primera y más dura de las transacciones a las que nos enfrentamos!), y 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 mesada y entender qué es el dinero. ENGLISH DESCRIPTION Why are piggy banks shaped like pigs? If all...

When it comes to landing a job, a portfolio has been a tool often used by graphic artists, architects, and possibly writers. In today's world, a portfolio may help just about anyone seeking a professional career. A portfolio is a collection of work samples that can bring to life the achievements and skills you present on a r廥um�. Addressing career-ready standards of the Core Curriculum, this essential book teaches readers how to build a powerful portfolio no matter what career path they are on. Tips are included on how to avoid mistakes, make a stellar presentation, and highlight student...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a circuit and find out how to fix the problem. This nonfiction book is ...