Draw a line all around the island at the low tide level ... it points to magnetic north. T to make the map and compass work together you must decide on one North as your point of reference and base ...

To take a bearing, lay your map flat and orient it to true north using your compass. Then, mark your starting point and ...

VO: Draw your own map of the route that Dad and Ethan took to find the treasure. Use a scale of 1 cm to 1 m. On your map, using compass directions, plot a quicker route from the first tree to ...