Cuadernos de matemáticas 2. 4 ESO. Polinomios y ecuaciones

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

In 1939, a war that would encompass the world began in Europe. Readers will learn about the causes of World War II in this nonfiction Spanish-translated book. The supportive text and fascinating sidebars work in conjunction with the stunning photos and appealing scrapbook layout to provide an enjoyable and enlightening experience that teaches readers about such events and topics as Pearl Harbor, blitzkreig, and concentration and internment camps. Readers will also learn about infamous figures from the war like Adolph Hitler, Sir Winston Churchill, Franklin Roosevelt, and even Rosie the...

Explains the study and teaching of the martial arts, emphasizing the philosophical aspects of this sport.

Suitable for training advanced level students in writing texts in different styles and registers in Spanish