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

Libros de actividades, llenos de originales y divertidas ideas. A través de la realización de distintos tipos de manualidades con materiales fáciles de hallar, estos libros desarrollan el sentido estético del niño y estimulan su creatividad. Este libro propone ideas para decorar, jugar y sorprender tomado como base huevos previamente vaciados. Con la ayuda de otros materiales -- cartulinas, pinturas, pegatinas, plastilina, confeti, etc. -- y siguiendo los pasos propuestos con claridad y sencillez se obtienen resultados espectaculares.

Learn how baby animals like pandas, penguins, elephants, kittens, and frogs grow and change! This Spanish science reader introduces students to the concepts of growth and change. With easy-to-read text, this book teaches students important scientific subjects and vocabulary terms. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, bold font, and detailed images to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical thinking skills.

Including 8 pages of gorgeous glossy photos of all seven members, this is the must-have activity book for any fan of the hottest K-pop band around. Packed with puzzles, cool quizzes and great games. BTS: Test Your Super-Fan Status is a fantastic and fun-filled quiz book on all things BTS.

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover!