Learn how estimation and approximation theory can be helpful when natural disasters strike! This nonfiction Spanish-translated e-book tells the stories of Hurricane Katrina, tornadoes and thunderstorms in Oklahoma, and a tsunami in Indonesia. All of these natural disasters were very dangerous and devastating, but estimations and predictions saved lives! This digital resource teaches Spanish readers about the properties of natural disasters, while reminding them how vital mathematics can be! Children can explore the math behind these natural disasters through practice problems. These practical examples, along with vibrant images, clear mathematical diagrams, easy-to-read informational text, STEM themes, and text features such as a glossary and index, will keep readers engaged and will re-enforce the importance of mathematics.