**Lights, Camera, Interaction!**

Work carefully through the exercises and tutorials in this section and try to understand the explanations given. Then move on to the practice materials in the next section.

**Simplifying Quotients -- Lecture****Rational Expressions -- Tutorial****An Interesting Equation -- Tutorial**-
**The One-Minute Mathematician Finds the LCD** -
**The One-Minute Mathematician Discusses Exponents** -
**The One-Minute Mathematician Discusses Radicals** -
**Distances, Midpoints, Circles**

**Quizzes and Puzzles -- Sections R.1-R.5**

Some of the materials below came from the University of Vienna, some were written by URI faculty members.

- Term Manipulation Puzzle (IE only)
- Factoring (IE only)
- Simplifying Quotients
- Number Substitution Puzzle (IE only)
- Absolute Value (IE only)
- Reciprocals (IE only)
- Common Denominators