Problems 1-3
These problems are the Essential Ideas for this section. Work through all of these problems.

Problems 4-6
These probelms are also part of the Essential Ideas for this section. They are testing if you remember the correct notation for union, intersection, and complement.

Problems 7-8
These final Essential Ideas problems are checking to see if you have "internalized" the correct terminology for union, intersection, and complement.

Problems 9-16
See Example 1.

Problems 17-20
See Example 6.

Problems 21-26
See Examples 5 and 6.

Problems 27-39
See Example 1.

Problems 40-47
Draw a Venn diagram for the expression on the left.
Draw a Venn diagram for the expression on the right.
Finally, compare the two Venn diagrams; if the portion highlighted on the left is identical with the highlighted portion on the right, then the exprssions are equal. If the highlighted poartions are different, in any way, then the expressions are not equal. See Example 3.

Problems 48-53
See Example 2.

Note: Homework Hints are given only for the levels 1 and 2 problems. You can also check some sources for homework help on the Internet (see Links, below), or you can call the author at (707) 829-0606 or send an e-mail to: smithkjs@mathnature.com