Session 20 preparation

Instructions:

• Complete the Session 20 practice problems.
• Complete the practice paper-and-pencil problems that you can find linked from the materials for preparing for Test 3 and check your answers from the answer key linked from that same page.

The above are your admission ticket for taking Test 3.

• You must complete at least most of them BEFORE you take Test 3.
• If the time for the test arrives and you have not done them for some reason, see your instruction to determine what to do about it.