Use a simple map to do progressively harder courses
"We use a map to know where something is before we even find it"
Orient the map using the colored landmarks in the corners. Visit each checkpoint on the map in order. Do it again, faster. Repeat, from memory. Geometric-O can be done outdoors or indoors.
The setup map
A course map
How to Teach Geometric-O
Choose your challenge: a clue sheet or a map!