En el acuario (At the Aquarium) (Spanish Version)

Students will learn about the history of hot air balloons and they will also discover the importance of volume when calculating hot air balloon flight. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, dynamic images, 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.

Este libro reúne tres cuentos que transcurren en un viejo edificio de la Ciudad de México, protagonizados por los niños del tercer patio, acompañados de dos heroínas: Pau y Zitelina. En "El Pato cabalga", las diabluras de los chiquillos en la azotea terminan con la elevación al cielo de El Pato, el más travieso de todos. En "El secreto de la señora", Pau descubre el misterio que guarda celosamente la señora elegante, la dueña del edificio. Mientras que en "El esqueleto de Judy", los miembros del Club de Tinaco conspiran para rescatar el esqueleto de una elefanta llamada Judy (que se ...

Como fabricar materiales para juegos que utilizan conceptos matemáticos como el reconocimiento de deseño y forma, comparación, y computación mental.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Explains, in simple terms, the reasons for skin color, how it is determined by heredity, and how various environmental factors affect it.