I have posted my solutions to each of the problems on Unit 4 - Worksheet 1.  Each of my solutions contains at least one error.  Your group is responsible for finding the errors in one problem.  You will be graded on whether or not you find all the errors and the discussion with your group members in the comments on the post for your problem number. Each problem also has a question attached to it that is the same for each group.  Your comments on the blog can also refer to the common question. You will be graded on your responses according to the rubric found here.

Group 1 is responsible for problem 1.
Group 2 is responsible for problem 2.
Group 3 is responsible for problem 3.
Group 4 is responsible for problem 4.
Group 5 is responsible for problem 5.
Group 6 is responsible for problem 6.
Group 7 is responsible for problem 7.
Group 8 is responsible for problem 8.