Trucos Con Sombreros = Anno's Hat Tricks

We often don´t stop to think about the origin of certain foods, but many of the foods we consume today only reached us as a result of great discoveries and the subsequent international commerce between east and west. This book brings us closer to the complex relations between different cultures and shows us the importance of ocean voyages in the development of international commerce.

Narwhals are often called the "unicorns of the sea." But these fascinating creatures are members of the whale family. Read all about narwhals as you practice addition. 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 addition 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...

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.

Aquesta és la tercerá versió de dues obres anteriors; Tècniques psicomètriques: anàlisi de casos (1995) i Anàlisi de Tests i Qüestionaris amb el programa Metrix (1999). Com a textguia és un document de pràctiques que descriu, de manera molt aplicada, deu rutines d’anàlisi psicomètrica basades en l’aplicació del programa METRIX Engine a diversos fitxers de dades enregistrats en el CD que s'adjunta amb l'obra..Cadascun dels fitxers representa un cas o tipus d'anàlisi triat pensant en un escenari de treball professional habitual on s'han de verificar les qualitats mètriques de ...