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Una serie de libros para introducir a los lectores jovenes a conceptos matematicos fundamentales, ¡ahora en espanol! Triangulos, cuadrados, rectangulos, circulos y hexagonos son tipos de formas y figuras. Y son faciles de reconocer en nuestra vida diaria. Con ejemplos del mundo real, fotografias convincentes y textos inspiradores, ¡esta es la introduccion perfecta al concepto matematico de "formas y figuras" para los lectores mas jovenes! Sobre la serie: Publicada originalmente en los anos 90 y actualizada recientemente, esta revolucionaria serie superventas inicia a los ninos en el camino de aprender a comunicarse y razonar matematicamente. La base de las matematicas son las ideas, y estos libros se han desarrollado para que los ninos vean, hablen, toquen y experimenten con estas ideas. Las fotografias atractivas y el texto sencillo y directo, hacen de esta serie una herramienta perfecta para leer individualmente o en voz alta. Diez conceptos matematicos fundamentales, uno para cada libro de la serie, estan desarrollados de forma excelente, y ofrecen un apoyo curricular ideal. Esta serie es la mejor manera de iniciar el camino hacia el dominio de las matematicas.
A crew of children must pilot a ship across unfamiliar seas while a strange creature lurks belowdecks in this fast-paced survival story from New York Times bestselling author Michael Northrop. Alone at sea, with only the stars to guide them...The proud sailing ship Polaris is on a mission to explore new lands, and its crew is eager to bring their discoveries back home. But when half the landing party fails to return from the Amazon jungle, the tensions lead to a bloody mutiny. The remaining adults abandon ship, leaving behind a cabin boy, a botanist's assistant, and a handful of deckhands -- none of them older than twelve. Troubled by whispers of a strange tropical illness and rumors of a wild beast lurking onshore, the young sailors are desperate to steer the vessel to safety. When one of their own already missing and a strange smell drifting up from below deck, the novice crew begins to suspect that someone -- or something -- else is onboard. Having steeled themselves for the treacherous journey home, they now have more to fear than the raging waters of the Atlantic...
Learn English and Mandarin words with panda cousins Gordon and Li Li in this charming and colorful bilingual first words book! Gordon and Li Li are cousins. Li Li is from Beijing, China, and speaks Mandarin. Gordon lives in Brooklyn, New York, and speaks English. When Li Li visits Gordon for the first time, the cousins must learn to communicate using simple, everyday words. Children and caregivers can read along with Gordon and Li Li as they learn basic English and Mandarin words and their correct pronunciation. Each spread of this sturdy book spotlights a different theme, including greetings, colors, numbers, and animals! And every word features the English and pinyin spelling along with the Chinese character and the phonetic Mandarin pronunciation to help readers practice. This is an adorable and informative must-have first words book for any family who wants to get little ones excited to open the door to learning a second language -- and future language success!
La evaluación efectiva del desempeño de los sistemas educativos es un componente clave en la formulación de políticas para optimizar el desarrollo del capital humano en todo el mundo. Los cinco libros de la serie Evaluaciones nacionales del rendimiento académico presentan conceptos clave de las evaluaciones nacionales de los niveles de rendimiento estudiantil, desde las cuestiones normativas que deben abordarse cuando se diseña y se lleva a cabo las evaluaciones, hasta el desarrollo de las pruebas, el muestreo, la depuración de datos, las estadísticas, la redacción de informes y el uso de los resultados para mejorar la calidad de la educación. Este primer volumen describe los fines y las características de las evaluaciones nacionales, así como las cuestiones relacionadas con su diseño, su puesta en práctica, su análisis y su comunicación. Describe también las principales evaluaciones internacionales, regionales y nacionales llevadas a cabo en una serie de países. El libro va dirigido principalmente a gobiernos nacionales, regionales y estatales, instituciones de investigación y universidades.
This book presents a new approach to the epistemology of mathematics by viewing mathematics as a human activity whose knowledge is intimately linked with practice. Charting an exciting new direction in the philosophy of mathematics, José Ferreirós uses the crucial idea of a continuum to provide an account of the development of mathematical knowledge that reflects the actual experience of doing math and makes sense of the perceived objectivity of mathematical results. Describing a historically oriented, agent-based philosophy of mathematics, Ferreirós shows how the mathematical tradition evolved from Euclidean geometry to the real numbers and set-theoretic structures. He argues for the need to take into account a whole web of mathematical and other practices that are learned and linked by agents, and whose interplay acts as a constraint. Ferreirós demonstrates how advanced mathematics, far from being a priori, is based on hypotheses, in contrast to elementary math, which has strong cognitive and practical roots and therefore enjoys certainty. Offering a wealth of philosophical and historical insights, Mathematical Knowledge and the Interplay of Practices challenges us to rethink some of our most basic assumptions about mathematics, its objectivity, and its relationship to culture and science.
RANDOM HOUSE LATIN AMERICAN SPANISH DICTIONARY RELIABLE, DETAILED, AND UP-TO-DATE * More than 10,000 entries * Includes vocabulary and usages unique to Latin America, Central America, Mexico, Argentina, Chile, and Cuba * Two sections, Latin American Spanish-English and English-Latin American Spanish * All entries, from A to Z, in a single alphabetical listing The Random House imprint has long stood for excellence in the reference field. Random House reference books--prepared by its permanent lexicographic staff with the assistance of many hundreds of scholars, educators, and specialists--have been widely acclaimed for their outstanding quality and usefulness.
"A complete research-based, K-5 mathematics program integrating math, science and language arts. [The program] embodies the NCTM Principles and standards for school mathematics and is based on the ideas that mathematics is best learned by solving problems in real-world contexts and that a curriculum should balance conceptual understanding and procedural skill"--P. 4 of cover.