Cómo funcionan las ruedas y los ejes

Desastres naturales (Natural Disasters) is an exciting book about how estimations and predictions help save lives in natural disasters. Students will learn critical math concepts as they are engaged in reading about the properties of natural disasters. Practice problems and mathematical diagrams help students reinforce the importance of mathematics. This Spanish title includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills.

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...

This myth may have been the foundation for The Odyssey. Join Jason and the Argonauts as they encounter evil harpies, crashing cliffs, and a giant snake on their quest for the Golden Fleece.

Intermediate Readers Explore Concepts Of Evaporation, Condensation, And Water As A Solid, Liquid, Or Gas.