Learn to Code - Code to Learn
The Hour of Code is a one-hour introduction to computer science, designed to demystify "coding," and show that anybody can learn the basics. It is a global movement reaching tens of millions of students in 180+ countries, with one-hour tutorials available in over 30 languages. No experience is needed... Ages 4 to 104.
Since each "Hour" for students is self-paced, teachers do not have to "be prepared" for the lesson... and therefore, it's a perfect way to "try it on".
There are links to many activities in the student newsletter, but depending on the grade level(s) taught, some of the activities from the links in my PowerPoint (above) will be useful. Most of those, however, are not self-instructing.