Desafíos matemáticos

Introducción a la historia del masaje. Introducción al masaje deportivo. Normas y consejos para la aplicación de un masaje. Quirogimnasia. Conceptos anatómicos básicos para masajistas.

What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.

Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats and failures like the Titanic, the Hindenburg, the Hoover Dam, and more in this engaging, Spanish-translated nonfiction title. This book features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematics skills to keep readers active and engaged.

Know Your NumbersFind the hidden numbers in these exciting counting books. Count by ones, twos, fives, and tens!