Words Are Not for Hurting / Las palabras no son para lastimar

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

¿Qué significa migrar? Descubra qué animales migran y por qué migran a través de fotografías detalladas y texto simple. What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

Pre-Columbian stories from ancient Mexico. Leyendas prehispanicas mexicanas incluyen Folklore, Historia - Historia General, Historia - Mexico, No ficcion juvenil, America Latina.