Ingeniería asombrosa: El London Eye: Números pares e impares

Take a trip to the British Museum as you explore its fascinating objects and geometric shapes! This famous London museum was built for exploration - and for learning geometry. Learn about its history and artifacts as you build your geometry skills. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems,...

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

Very young children can get to know garden animals with this velvet-covered cloth book with interior flaps. The little fish and the frog from the bond, the bee in search of flowers, and little birds will join them in their first discoveries.

The early nineteenth century in the United States was a study of contrasts. On the one hand, the Jazz Age brought cultural liberation, vivacity, and reckless consumption; on the other, the Great Depression brought poverty and desperation to millions. Explore these periods in American history through the eyes of the people who lived them.

If a person were ever face-to-face with a huge, hungry animal with sharp teeth, they probably wouldn’t care exactly what that animal was! But from a safe location, can we tell whether it was a crocodile or alligator that wanted to take a bite? By examining their jaw structure, teeth, and other physical features, we can easily tell these two animals apart! Graphic organizers and amazing images highlight each animal’s habitat and other small differences between the two fearsome creatures, showing readers just what creature is lurking below the waters.

El primer libro de no ficción en el mercado del libro infantil español sobre la tendencia más en alza entre los niños: la robótica. Los ves en el cine y en la tele, pero también los tienes en la cocina y en el ordenador. Nos ayudan a predecir el tiempo, ajustan la temperatura de la nevera y aspiran el polvo de la casa en nuestra ausencia. ¡Los robots están en todas partes! Pero esta invasión nos encanta. Poco a poco, estos bichos se han convertido, casi, en nuestros mejores amigos. Por eso hay que conocerlos bien, saber cómo funcionan y cuál es su manejo. Todo eso y mucho más es...