La historia de: los sistemas numéricos: Valor posicional

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...

John Paul Jones is remembered as the first hero of the young American navy who raided the British coast during the American Revolution, capturing or sinking more than forty enemy ships. As Commander of the Bonhomme Richard, his ship was heavily damaged and sinking. His surrender was sought by the British commander of the attacking ship. Joness famous reply was "I have not yet begun to fight." He would board and capture that enemy ship, even as his Bonhomme Richard was sinking.

"Explains some of the challenges and rewards of having a friend with autism using everyday kid-friendly examples--in both English and Spanish"--

Explore the various islands that make up the Caribbean including the different plants and animals that inhabit this tropical paradise. Bright, dazzling photographs bring the Caribbean to life as readers are exposed to vocabulary related to the unique activities and customs of the Caribbean.

Kurdo Baksi, compañero y confidente de Stieg Larsson, proporciona información de primera mano contada con gran humanidad sobre un autor ya mítico.¿Cómo llegó a convertirse Stieg Larsson, uno de los líderes de la lucha contra el racismo y el fascismo en Suecia, en uno de los autores más leídos del mundo? Para entender esto hay que aproximarse al hombre que hay detrás de Millennium, a ese autor enigmático y fascinante. Este libro nos proporciona las respuestas desde un acercamiento al creador de Lisbeth Salander por uno de sus mejores amigos, el también periodista Kurdo Baksi, que...