- Read zyBook sections 2.1 through 2.4.  Complete all 
  participation exercises for these sections.  You do not need
  to complete the challenge exercises.

- Skim zyBook sections 2.5 and 2.6.  You do not need to
  do the exercises, though you can if you want.

- If you want extra practice, try the challenge problems from
  chapter 1, or section 2.7.