Sistemas de telefonía

So you think you're a martial arts master, but do you know the difference between kung fu, kendo, and karate? Students will learn about various martial arts as they practice comparing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving...

¿Qué harías si la Muerte se te apareciera y te ofreciera un trato? Perder a alguien que amamos es una de las experiencias más dolorosas que cualquiera podría sobrellevar, sin embargo, la Muerte es algo que se presenta en todo lo que nos rodea. La invitemos o no.

Con más de 100 juegos mentales para hacer a contrarreloj, este libro es la mejor forma de ejercitar tu mente. Encontrarás sudokus, laberintos, escaleras de palabras, batallas navales, buscaminas y desafíos de memoria. ¡Es la hora de poner a prueba tu cerebro!.

Take a trip to the place where cows and horses play and fields of crops grow in this Spanish-translated nonfiction book that tours a farm! Early elementary readers will discover the types of farm animals, crops, and different machinery used to run a farm. With informational text, a picture glossary, a map of the farm, and bright, colorful photos, readers will want to learn all about life on a farm!