Algoritmos: la base de la programación de computadoras (Algorithms: The Building Blocks of Computer Programming)

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

Having a job and earning money are a part of everyday life for most people, especially adults. The concept seems fairly straightforward: one works to earn. This volume discerns the difference between a job and a career, as well as how a job can develop into a career. Readers will learn why a community's economy needs jobs, how paying someone to do a job helps the person who is paying them, and even about job loss and its consequences. The text also explains different jobs and their effects on the economy, such as those of professional, production, arts, and government and military jobs.

A 2014 report by the US Department of Education found that 22 percent of students ages twelve to eighteen had experienced bullying. This cogent narrative provides readers with supportive methods to help a friend who is being bullied and to promote a bully-free learning environment at school. Physical, social, psychological, and verbal bullying are examined, as well as cyberbulling. Readers discover the consequences of bullying both as a target and as a bystander. They also consider ways to intervene in a bullying situation, how to seek adult help, and how to be empowered and recover from...

Mis pies tienen raíz tiene una estructura única: un índice que revela los lazos que compartieron personajes que pueden haber estado muy lejos unas de otras en el tiempo y en el espacio. Si una era pintora y ensayista, otra era ensayista e historiadora, y otra más historiadora y cocinera... Este entrecruzamiento hace énfasis en el papel de las mujeres como guías, mentoras, inspiradoras y maestras de las generaciones siguientes, y busca contrarrestar los discursos que las muestran como historias anómalas, aisladas unas de otras. Las imágenes en acrílico que ilustran cada historia...

This Spanish nonfiction book gives students a close-up look at media by exploring all forms and how it plays an important role in society. Ideal for young readers, the book includes a glossary and a short fiction piece related to the topic. Students will learn to tell the difference between facts and opinions with this exciting book and the accompanying extension activity. This 32-page full-color Spanish book defines media, explains how to separate fact from fiction. It also covers important ideas like democracy and censorship, plus includes an extension activity for grade 3. Perfect for the...