Globos aerostáticos (Hot Air Balloons)

En el acuario (At the Aquarium) engages students in reading about aquariums as they learn how to calculate volume. Volume helps aquarium designers figure out everything from the shapes and sizes of tanks to how much water is needed to fill them. This nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

This book really measures up! It provides historical background and details about how length, distance, volume, weight, and time were measured in the past. An introduction to many of the necessary terms for a better understanding of measurement, such as scale, perimeter, and ruler is provided along with detailed photos and images to help the readers better comprehend the overall concept of measurement.

La ilusión se asocia a las ganas de vivir que animan a llevar a cabo proyectos, y también a la alegría, a la esperanza en algo, alguien o en expectativas positivas, favorables y optimistas. La ilusión implica creer en los sueños y sentirse capaz para plantearlos y llevar a cabo conductas para perseguirlos, ser perseverante para conseguirlos, tener esperanza en lograrlos contra las adversidades que puedan aparecer en el camino y hacerlo con ganas y alegría. De la misma manera, está estrechamente ligada a las emociones, los pensamientos y las actitudes y a la acción de cada uno. Muchas...

Sesenta autores, desde catedráticos de universidad hasta estudiantes de Secundaria y Bachillerato, nos presentan los cuarenta desafíos que la Real Sociedad Matemática Española propuso con motivo de su centenario.Son cuarenta estimulantes retos que avivan el ingenio. Enfrentándose a ellos, el lector se sentirá un auténtico investigador matemático.Pero no hay que asustarse. No es necesario saber muchas matemáticas. La herramienta esencial para resolver los desafíos es pensar ordenadamente.

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...

Open this book and, using the included magical press-out flashlight, illuminate a nighttime world full of amazing animals! Whether exploring an Amazon jungle or an African safari, kids will discover all sorts of creatures that are most active in the darkness. Packed with fun facts and illustrations, too.