Lesson 1 - To be able to convert between g and kg and m and km
Lesson 2 - To be able to convert between l and ml and m and mm
Lesson 3 - To be able to convert between various metric units
Lesson 4 - To be able to convert between metric and imperial units
Lesson 5 - To be able to convert between units of time
Lesson 6 - To be able to use timetables to retrieve information and solve problems
