Primary problem solving getting to grips with Bigtrak and Dart

The work began with a group of third and fourth year juniors in their computer club. Two fourth year girls, Emily Dring and Kelly Johnson, remembered using Bigtrak in the infants school although they had not done anything like this since. They were enthusiastic to be allowed to use it again. They quickly rediscovered how to program the vehicle and wrote down directions using the notation which can be seen on the accompanying illustrations.