Video: Incenter and incircles of a triangle

Video (8-minute long) to help us understand the use of angle bisectors to find the incenter and incircle of a triangle

Edmodo | Secure Social Learning Network for Teachers and Students

Cyclic ethers and epoxide naming

This video helps us to understand the cyclic ethers and epoxide naming.

Un país, dos sistemas (1997)

Reportaje sobre la cesión de Hong Kong a China en 1997.

Express English: The colour white

This resource consists of a video which sets a question in order to establish a debate about a topic.

Express English: Spare time

This resource consists of a video which sets a question in order to establish a debate about a topic.

Polldaddy

Web-based tool that allows us to create a poll, survey and quizzes, and embed it into our blog or website. The basic version is free but we need to register first.

Justicieros

Encontramos en esta página web del periódico El País una columna de opinión de febrero de 2012 en la que Elvira Lindo reflexiona sobre la actitud de aquellos que acuden a la puerta de los juzgados…

Quiznet: Writing poetry

In this exercise, a multiple choice questionnaire designed to improve our vocabulary and grammar skills, we have to choose the correct answer.

Goya en tiempos de guerra

Vídeo que recorre las características de la obra del pintor aragonés.