Cómo funcionan los ecosistemas

La aventura más épica del grupo de Los Compas, ¡con Mayo e Invictor como protagonistas! Algo terrible ha sucedido en el pueblo de Invictor y Mayo: la mitad de la esmeralda sagrada fue robada del laboratorio Force Atomic Company por el profesor Malus Malunfus, un malvado científico. La humanidad corre un gran peligro: si las dos mitades se unen, convertirán a Malunfus en el hombre más fuerte sobre la tierra y esto supondría el fi n del planeta. Por suerte, nuestros compas no lo van a permitir. Invictor el mamadísimo y Mayo, la tostadora deberán evitar que el ladrón cumpla con su...

Simple text and photographs introduce the concept of "skip counting," or counting by groups of a certain number, and present items for practice.

"In Lion Cubs in the Wild, beginning readers will learn about baby lions as they grow up on the savanna in Africa. Follow along as lion cubs join the pride and learn from their moms. Vibrant, full-color photos and carefully leveled text will engage young readers as they are introduced to lion cubs' appearance, diet, behaviors, and habitat. A picture diagram labels a lion cub's body parts, while a picture glossary reinforces new vocabulary. Children can learn more about lion cubs online using our safe search engine that provides relevant, age-appropriate websites. Lion Cubs in the Wild also...

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...