La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

"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."

Risas, diversión y entretenimiento con esta gran colección de los mejores chistes para todas las ocasiones. p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.1px Verdana}

Many things can be found in the woods. Some you need to watch out for. Find out about what can be found in the woods. Paired to the fiction title Billy’s Camping Trip.

Imagine being lost and stranded in the desert. Would you know what to do to survive? This useful Spanish-translated nonfiction title explains the important skills needed to survive in the desert. With helpful diagrams and images, definitions, tips and instructions, informational text, a bibliography, and a list of other helpful websites, readers can be assured that they will learn about the dangers of heat exhaustion, desert plants that could aid in survival, and other helpful tips in order to survive in an emergency.