You should KNOW (review)

1. How to correctly deal with parentheses, minus signs and orders of
operation in arithmetic.

2. How to add, subtract,
multiply and divide numerical fractions, and reduce them to lowest terms.

3.
How to add, subtract, multiply and divide algebraic fractions, and understand
that the methods are the same as in 1.

4.
What *rational, irrational, and real numbers * are, how they can
be thought of as points on a line, and how your calculator can be used to to
approximate arithmetic with these numbers. You should also know why the
word "approximate" is used here.

5. How to represent intervals on the
number line using inequalities, simple pictures, and standard interval
notation.

6. What the *union* and *intersection
*of two sets is, and how these can be applied to intervals.

You should be ABLE TO

1. Correctly perform all the operations of arithmetic on common
fractions both numerical and algebraic.

2. Recognize any habitual
errors you make and correct them.

3. Locate and compare
numbers as points on the line.

4. Use interval notation
and inequalities to specify sets of real numbers.