Once we successfully completed that task, we split the children into groups of three. The "robots" (one per group, pre-chosen to save time) went into the other classroom for "training", while the "coders" stayed with me. Both the coders and robots had a set of cups to help them with their task. The coders were given one of five different cup stacks to make.
In our reflection at the end of the lesson, the children noted how important it was that the coders knew what each instruction meant, what order it needed to go in and (again) that the code was clearly written! It was a fantastic learning experience with the children thoroughly engaged and the key competencies of using language, symbols and text, thinking, managing self, and relating to others being exercised.
* The 'Hour of Code' is a nationwide [hmm- perhaps should be world-wide!] initiative by Computer Science Education Week[csedweek.org] and Code.org [code.org] to introduce millions of students to one hour of computer science and computer programming.