Conversions between metric and imperial systems

Intros
Lessons
  1. What is the Metric system?
  2. What are Imperial systems?
  3. How to convert between Metric and Imperial units?
Examples
Lessons
  1. Converting between imperial & metric units
    1. 25 m = _____ mi
    2. 54 in = _____ cm
    3. 50 km/hr = _____ mi/s
    4. 75 m = ____ ft
    5. 110 mi/hr = ____ m/s