En serio, Juan y sus frijoles son unos horrores!

The Spanish-language edition of an informative, inspirational picture book biography about twins Juli n and Joaquin Castro, who rose from poverty to become leaders for positive change in America. The story of political powerhouse twins Juli n and Joaquin Castro began in the small room that they shared with their grandmother Victoriana in San Antonio, Texas. Victoriana crossed the border from Mexico into Texas as a six-year-old orphan, marking the start of the family's American journey. Her daughter Rosie, Juli n and Joaquin's mom, was an activist who helped the barrio through local...

Si eres de los que piensa que saber que el tiempo y el espacio son en realidad lo mismo no sirve para nada, o que lo único que le puede decir un protón a un electrón es que deje de ser tan negativo..., ¡has dado con la lectura que necesitabas! ¿Sabías que el teletransporte es real? ¿Que a veces un electrón tiene probabilidades de atravesar una pared? ¿Que dos partículas pueden influenciarse mutuamente aunque estén a años luz de distancia? ¿Y que las partículas cuánticas son como Clark Kent y disimulan sus poderes cuando los científicos las están observando? En Cómo explicar...

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...

Mrs. Frizzle's class investigates the disappearance of the salmon from the sea and in the process learn about migration.