Matemáticas. 4 Primaria. Nuevo proyecto Trotamundos. Trimestres

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

Teach students about trading and buying goods and services. In this Spanish-translated book, readers will learn about supply and demand, and learn the difference between wants and needs. Featuring images that support the informational text, students will build social studies content-area literacy and reading skills.

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

África tiene muchas caras: exótica y misteriosa, peligrosa y cruel, triste y explorada. Pero es mucho más que eso, es el lugar del origen del hombre, una tierra llena de historia y cultura. Es un continente con una geografía variada: 54 países donde conviven hombres y mujeres de culturas diferentes, que se expresan en más de mil lenguas. En África hay muchos países, todos ellos muy diversos, muchas religiones, ciudades populosas, aldeas, grandes líderes, mitos y colores. Estas son las otras Áfricas que se muestran en este libro.