Algoritmos: la base de la programación de computadoras (Algorithms: The Building Blocks of Computer Programming)

In an entertaining way, shows how to add, subtract, multiply, and do long division without a calculator.

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.

Book Features: • Ages 5-8, Grades K-2 • 24 pages, 8 inches x 8 inches • Simple, easy-to-read pages in Spanish with full-color pictures • Includes a glossary, index, and an engineering design activity • Supports NGSS Playful Learning: In Mi Biblioteca de Ingeniería: Diseño y Construcción para Jugar, kindergarten—second graders learn about the forces, energy, and designs that make up roller coasters, sports equipment, zip lines, and other things we love! Engineering Made Fun: Forces, energy, and motion are all a part of how we play. Young readers learn how engineers use science...

When the Japanese attacked Pearl Harbor in 1941, it prompted the United States to enter World War II on multiple fronts. From Africa to Europe, the Pacific to the home front, explore the American experience of World War II through the first-hand documents of the war.