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Algebra 1: Concepts and Skills
  Home > Algebra 1: Concepts and Skills > Chapter 2 > 2.1 The Real Number Line
Return to book index Chapter 2 : Properties of Real Numbers
2.1 The Real Number Line

2.1 Extra Example

Click here for an Extra Example.

2.1 Problem Solving Help

Help for Exercises 44-49 on page 69

To compare two numbers, first locate them on a number line. The greater number will be to the right of the lesser number. When comparing fractions with different denominators, you may find it easier to change them to decimals. For example, is greater than because is to the right of on a number line.

Be careful when working with negative numbers. A negative number is located to the left of zero on a number line. For example, the number - 4.5 is further to the left of zero than - 3.5 on a number line, so - 3.5 is greater than - 4.5.

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