The "60" marker on the E6B's rotating inner scale is the key to rate calculations . This is often the first exercise a student performs. By setting the "60" index arrow on the inner scale to a specific ground speed on the outer scale, the entire wheel becomes a multiplication/division machine for time and distance.
During long cross-country flights (or simulated ground planning), check your fuel consumption at every checkpoint using the E6B. e6b flight computer exercises better
This is 80% of what you will do with an E6B. Exercises should include: The "60" marker on the E6B's rotating inner