This resource from National Geographic is many activities that has ways to use and explain maps to children of all ages. It has the resources broken down into grade level ranges. It also isn’t just strictly using a map for directions, there are resources about how to use maps for other things like weather, landforms, and climate change. The sections include various topics that are all grade level appropriate. It is a great resource for teachers because it can be used as a way to cross curriculums.
Map Skills for Elementary Students