The pupils will be able to work on the notion of absolute displacement thanks to these self-correcting sheets (just fold the bottom of the sheet along the dotted lines). To do this, you will have to follow the coded path: the up arrow means that you have to move one cell up, the down arrow, one cell down... To complicate the task, when the number of moves is greater than 1, the number is indicated in front of the instruction to be repeated. To help the student, the movements concerned are marked