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When a bird flies by a window or a car zooms by on the highway, we often wonder how fast the two objects traveled. This book explains the concept of speed to readers while showing them accessible ways to measure it for themselves. Learning the amount of distance traveled, and how quickly that distance was covered, is a great way to implement a variety of STEM topics while practicing this essential mathematical skill.

Esta serie de historias b�blicas para ni�os ha sido ilustrada profundamente y a todo color. Cada libro contiene una historia completa de la Biblia, escrita por una de las autoras mas conocidas y apreciadas por sus libros infantiles.

"Four score and seven years ago..." begins Abraham Lincoln's beautiful speech commemorating the three-day battle that turned the tide of the Civil War. The South had been winning up to this point. So how did Union troops stop General Robert E. Lee's invasion of the North? With black-and-white illustrations throughout and sixteen pages of photos, this turning point in history is brought vividly to life.

Siete Unidades Didácticas: "Bienvenidos al universo Cortázar" (I y II); "El gran teatro de tu mundo"; "El amor en el túnel del tiempo"; "Letra y música"; "Soledad, dolor y denuncia: Poesía española del siglo XX"; "Museo de épocas de la poesía española". Cada unidad pretende la motivación del alumno mediante su relación con el entorno, su actividad, su protagonismo y su interés por la lectura; trabaja la Lengua y Literatura como algo inseparable.