John Lockyer 
Tecnologia olimpica [PDF ebook] 
Tiempo transcurrido

Tecnologia olimpica (Olympic Technology) teaches students about sports technology and timing accuracy for Olympic sports. This intriguing classroom resource provides mathematical charts and graphs to help students develop problem-solving skills and content-area literacy in mathematics. This Spanish classroom resource includes practice problems, a glossary, engaging images, and easy-to-read text to help students build their math and reading skills.