Experimentos para todas las edades

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.

I arrived in Medellin looking for Adrian, and I met Nahum, Hernan Dario, Jonathan, Victor Manuel, Fernando, Juan Esteban, Ruben Dario, Wilinton, Douglas, Jose Daniel, Angel Antonio, Julio, and Fabio. In Barecelona, I m Santiago, but here at the Jericho Lighthouse Foundation, I m Kaliman, the hero who listens to true stories of wounded, mistreated young men who had been banished from the good life. You can t erase the past, and picking yourself up is no easy feat. But the men at Faro are also Kalimans; they have left the streets, the drugs, and the scraping by behind to begin to look forward...

A family wants to share a pizza, but who gets how much? And how do they know? The answer is mathematical equations! Mathematical equations can be applied to food measurement, the human body, and even outer space! Students will answer different questions on mathematical equations in the book Comenzó con una pizza (It Started With Pizza). Used in the classroom or at home, this Spanish text includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills while they are engaged in reading high-interest content.

La muy interesante historia del bribón español Pedro Chamijo, “el falso Inca”, toma en la pluma de Roberto Payró un simpático tono que no por eso oculta por completo la tragedia que para las tribus nativas sudamericanas representaron la ignorancia y brutalidad de los conquistadores españoles, sumada a su propia torpeza política. Escrita con agilidad y humor, esta es la historia acerca de la leyenda del Gran Paitití, el Gran Padre Blanco custodio de la ciudad creada por los Incas para refugio contra los extranjeros, que según antiguas tradiciones se apoderarían del país, y su rol ...