Maya Erikson 3. Maya Erikson y la cueva de hielo

Cuarta aventura de Maya Erikson La daga del faraón Keops va a ser presentada en Japón y Maya ha sido invitada como representante de los descubridores; ¡todo un honor! Allí se celebra un gran evento en el que se exponen valiosas reliquias; la más esperada, una máscara del samurái más famoso de la historia. Pero, al abrir el baúl que la contiene, descubren que ha desaparecido. ¿Quién ha podido llevársela? Y, lo más importante, ¿por qué? Maya sabe que allí está ocurriendo algo extraño y no va a dejarlo pasar. **** Maya Erikson es una serie de libros infantiles de aventuras y...

When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.

Ethan is a member of the Named, sworn to fight the Order of Chaos, an evil group determined to permanently change the course of history. But he is also a normal high school student trying desperately to keep up with his homework and fit in. When he is assigned to mentor Isabel, a cute classmate and future member of the Named, the line between his two lives begins to blur.

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

Cada cuaderno tiene 64 páginas y están pensados para trabajarlos durante todo el curso pues las actividades que contienen son reflejo de los contenidos que se abordan en primer curso. Cada una de las páginas contiene tres o cuatro actividades, numerando las actividades por página. Las actividades están planteadas de forma progresiva, en orden de dificultad creciente, de manera que las actividades que figuran al principio del cuadernillo son para trabajarlas en los comienzos del curso, a medida que éste avanza se trabajarían actividades de páginas intermedias y al final de curso...