Turno de noche

Until just over 150 years ago, northern Mexico extended thousands of kilometers farther than its current border with the United States. Many different indigenous groups flourished in that region before the Conquistadors arrived. What we know about their lives and customs is the result of archeological discoveries and the chronicles of the first Spanish priests and soldiers that had contact with them.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

Alba se dispone a viajar de nuevo, pero esta vez lo hará por todo el mundo visitando algunos de los países más representativos de los 5 continentes. Allí encontrará amigos diferentes, nuevas comidas, animales y hasta distintas razas. Todo un mundo de nuevas culturas. Descúbrelas con ella. A partir de 6 años.

You can see shapes all around you when you go on a picnic! Beginning readers will enjoy finding the circles, triangles, squares, and hexagons in this brightly illustrated Spanish book. With vibrant images and easy-to-read text, this full-color text uses a real-world example of a picnic to teach math concepts in everyday settings. Beginning readers will develop their math and reading skills and be introduced to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills....