Super Spheros

We had a great time in UKS2 using the Spheros (programmable robots) to measure the length and perimeter of different classroms in school.
Spheros are controlled using an app on an iPad, and whilst the children could tell them which direction to point (using their knowledge of how many degrees are in a circle), how fast they wanted it to go, and for how long, it was tricky trying to calculate the distance the Spheros needed to travel.
As a result, the children had to work out for themselves - with a metre ruler - the distance covered when the Sphero followed their commands. Certainly not as easy as it looks...