Challenge 50 Robot Cleaner Score Card

Team Name:                                                                                                                           

Robot Name:                                                                                                                          

Date your robot cleaned: Clean number:

Your robot is counted as cleaning a tile if any part of your robot goes over the tile in a forwards direction. To help keep score, place a tick in the tile below when your robot has cleaned that tile. Which robot is the best at cleaning?

First Clean. Time to clean all 20 floor tiles:                                       minutes seconds

Second Clean. Time to clean all 20 floor tiles:                          minutes seconds