Numerical Reasoning: 21.2

Scale Factors- Maps

Learning Objectives:
  • Recall how to convert from one metric unit to another
  • Use Scale Factor to know the real dimension/distance of objects


  1. Watch the whole video tutorials and take down some notes in your book.
  2. Rewatch the videos again if you have not fully understood.
  3. Attempt “NR 21.2 Practice Test” (if you enter a wrong answer, you can change it; you are NOT timed).
  4. Attempt “NR 21.2 Assessment Test” (you cannot change your answer; you are also timed).

Pass Marks:

  • NR 21.2 Practice Test = 80%
  • NR 21.2 Assessment Test = Attempted the test