How Do You Measure Time?

Provides an overview of the design, uses, weapons, and equipment of U.S. Navy submarines. Written in English and Spanish.

Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!

Each year, the Coles look forward to their family reunion. This year, the Coles are in charge of all the planning. They use two-digit subtraction in a lot of the planning, especially when deciding how much food to buy and figuring out how many people are coming. Look inside to see more subtraction in action!

Un libro de manualidades que ilustra el proceso de elaboración de proyectos paso a paso. las autoras eligen 10 proyectos y recrean, con preciosas fotografías, todo el proceso mediante el cual eligen los materiales de reciclaje a utilizar, seleccionan los

Everyone has heard of Albert Einstein--but what exactly did he do? How much do kids really know about Albert Einstein besides the funny hair and genius label? For instance, do they know that he was expelled from school as a kid? Finally, here's the story of Albert Einstein's life, told in a fun, engaging way that clearly explores the world he lived in and changed.