Extra Practice exercises are downloadable worksheets of additional practice exercises. Print out these worksheets, work through the exercises, then check your work against the answer page.

Once you've practiced and reviewed radical expressions, equations, and functions, consider the everyday uses of square roots. Refer back to the first page of Chapter 10 in your Prealgebra textbook and review the use of cellular phones application.

Here's your chance to explore the World Wide Web and practice your new skills at the same time. Are you one of the millions of cellular phone users? Are you considering buying one? Before you do, you may want to investigate the costs, by using information available online to project your usage and compare cellular phone plans.

After you've practiced and after you've explored, don't forget about your upcoming Chapter Test. Prepare for your exam by working through our Chapter 10 Review, and then check your answers. These free downloadable files are accessible by selecting the Chapter Review button at the top of this page.

Good luck!