Desafíos matemáticos

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.

An innovative tool supports high school students and teachers in the area of language and communication. PP.

Procurar buenos hábitos de higiene —como lavar las frutas y verduras, lavarse las manos antes de comer y después de ir al baño, y beber agua pura y simple— resulta importante para prevenir enfermedades gastrointestinales. Esto es lo que la niña protagonista de este cuento aprende cuando está a punto de cruzar la delgada línea entre la vida y la muerte.

Learn all about the incredible things your heart, lungs, arteries, and circulatory system do and how to keep them healthy and strong! With vibrant images and informational text in conjunction with supportive diagrams and stimulating facts, this Spanish-translated nonfiction title introduces readers to basic biology and vocabulary. This 6-Pack includes six copies of this title and a lesson plan.