C鏔o mejorar tus discursos (Strengthening Public Speaking Skills)

No town or city could be built if the builders didn't understand the concepts of perimeter and area. Students will use perimeter and area to build towns and cities and design homes and parks in the book, Pueblos y ciudades (Towns and Cities). At home or in the classroom, this nonfiction book will engage students in learning measurement and geometry, and how to grid patterns, through fun practice problems and diagrams.

Mnemonics is an age-old technique for remembering names, numbers, and many other things. In Spanish Memory Book, Junior Edition, William Harrison and Dorothy Welker offer onginal mnemonic rimes appropriate in subject matter and skill level for junior high and high school students to help them acquire and remember Spanish vocabulary. Included are mnemonic jingles for several hundred of the 2,000 most commonly used Spanish words. Each jingle contains both the sound of the Spanish word and its English meaning. The authors have also included a general pronunciation guide to Spanish vowels and...

You've probably heard of lions and tigers. Perhaps you've seen them at the zoo. But have you heard of the clouded leopard? This shy member of the cat family is an endangered species. Their shyness makes studying them a challenge for zookeepers and scientists. Find out why they are so special, and why they need our help. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through...

En la Biblioteca Nacional de París, un joven estudioso descubre al azar un excéntrico filósofo del siglo xviii, Gaspard Languenhaert, fundador de una escuela efímera, la de la filosofía «egoísta», basada en la idea de que nada existe fuera del individuo, es decir que el «yo» es el creador del mundo y, por tanto, su Dios. Pero los escasos datos que encuentra sobre ese personaje se pierden o se dispersan, como si se tramara una conspiración para borrar su memoria... La secta de los egoístas es una brillante y enigmática novela breve, en la que una investigación bibliográfica...