Problems 1-3
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 4-9
See the Essential Ideas above to distinguish minus, negative, and opposite.

Problems 10-13
See Example 1.

Problems 14-17
See Example 2.

Problems 18-19
See Example 3.

Problems 20-25
See Example 4.

Problems 26-33
See Example 5.

Problem 34-40
See Example 4.

Problems 41-46
Make sure you distinguish between the minus key and the negative (or opposite) key or .

Note: a calculator will have only one of these keys; which one depends on the brand or model.

Problems 47-52
Add the integers and be sure to state your answer using a complete sentence.

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