SUMANDO y RESTANDO en el club de matemáticas (ADDING and SUBTRACTING in Math Club)

la música del segle XX. Els assajos que componen aquest volum tracten de problemes inherents a la història de la música en les seves relacions amb la cultura, les ideologies i el pensament estètic del segle XX. I a la llum de l'evolució més recent es mostra que hi ha hagut gran multiplicitat d'experiències musicals vàlides. En els últims decennis s'ha pecat d'una sobrevaloració d'alguns corrents de l'avantguarda darmstadtdiana a obres de forta influència del pensament crític d'Adorn i de la seva escola. I aquestes reflexions són sempre d'extrema actualitat, de la solució de la...

"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...

Las flores brillantes, los tiernos animalitos, las plantas frescas. ¡Hay colores por todos lados en la primavera! Explora los colores del mundo a tu alrededor. ¿Qué colores te hacen pensar en la primavera? ¿Qué puedes crear con los colores de la primavera? Anima a los lectores a reconocer el color del mundo real y a crear sus propias obras de arte inspiradas en la primavera por medio de fotos vibrantes y texto lírico. Bright flowers, cute baby animals, fresh plants--colors are everywhere in spring! Explore color in the world around you. What colors make you think of spring? What can you ...

The idea of the Roaring '20s conjures up images of speakeasies, women with short, saucy hairdos, and hot jazz. Readers will learn about the historical events that define this decade, including the devastating war that preceded it. An explanation about project-based learning will help readers understand how it can help them research their topic in unique and interesting ways. Constructive suggestions offer ideas for projects, while encouraging readers to take their studies in new and interesting directions.