Welcome to the Counting course. Please watch the introduction video. It gives a comprehensive overview of this course and highlights tips to help each student think like a mathematician. 

Some of these tips include:

• Pay attention to small details. Small details may change the problem entirely.
• Start off by learning common patterns and techniques.
• Do not rush to apply formulas! There may be a better and faster approach.

The reference book: Counting is available on Amazon.