Planetas rocosos: Mercurio, Venus, la Tierra y Marte

Ser cortés, tener buenos modales, y mostrar bondad a los demás es el tema de este libro. Da a diferentes situaciones y circunstancias en las que la cortesía es importante.

AMARILLO, ROJO, VERDE Y AZUL: ¡EL MUNDO ESTÁ LLENO DE COLORES! DESCÚBRELOS EN LAS PÁGINAS DE ESTE LIBRO Y APRENDE DE FORMA DIVERTIDA CON LOS PERSONAJES DE DISNEY BABY.

"In this title, children explore the reasons why they may feel worried, how to recognize these feelings, and appropriate action to take when they feel worried."

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...

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...