La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

Georgina L�zaro presents the life of Rub�n Dar�o, father of Modernism, in this new addition to the award-winning series Cuando los grandes eran peque�os

The art of glass blowing has been around for over 4,000 years! Readers explore the history of blown glass, the tools and equipment that is used, and how it is still practiced today in this engaging, Spanish-translated nonfiction title that features vibrant images and informational text.

The skeletal system is made up of bones. They support and protect your body and help it work. Some bones help you run, or pick up a pencil; others protect organs, like the skull, which protects your brain. Learn about bones, joints and more in this informative book.

"Discover the amazing world of boa constrictors! Now in Spanish, this fresh new text is carefully leveled and accompanied by vibrant full-color photos. Critical thinking questions and a photo glossary make this a perfect introduction to nonfiction."