La sonrisa de la hiena

"Dino" Don Lessom brings readers face-to-face with various dinosaurs, detailing how they lived, raised their young, and became extinct. Maps, timelines, and colorful illustrations and photographs will capture kids' attention. A dinosaur expert, Don Lessem has written more than 30 children's books.

Students will learn area and perimeter while engaged in reading about a day in the life of a contractor! This Spanish engaging book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of contents will increase students' interest level and their interaction with the...

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!

Intenta decir "Tres tristes tigres, tragaban trigo en un trigal, en tres tristes trasto, tragaban trigo tres tristes tigres" tres veces seguidas cada vez más rápida que la anterior o trata de decir "Pablito clavó un clavito, en la calva de un calvito, en la calva de un calvito, un clavito clavó Pablito." En este libro encontraras una enorme colección de trabalenguas, adivinanzas, acertijos y enigmas matemáticos para que tengas horas y horas de diversión con tus niños, los trabalenguas cada uno más difíciles que el otro, desafiaran los músculos de tu boca. Además los trabalenguas...