2.1 Extra Example
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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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