Problems 1-4
There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax. Do not be afraid to give your opinion. For the most part, these questions do not have "right" or "wrong" answers. You should spend about five minutes in answering each of these questions.

Problems 5-22
See Example 1.

Problems 23-38
See Example 2; be sure to simplify your answers.

Problems 39-48
You should first decide whether to add, subtract, multiply or divide; then carry out the operations and write you answer in words. Use good grammar and good sentences.

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