Graphing and Ordering IntegersEXAMPLE 1

The Global Positioning System (GPS) can be used to determine elevations. The table shows the lowest elevations of several countries. Which country in the table has the lowest elevation?

Lowest Elevations

Country Elevation (m)

United States –86

Canada 0

China –154

Boliva 90

Czech Republic 115

Graphing and Ordering IntegersEXAMPLE 1

ANSWER

China has the lowest elevation, at –154 meters.

To find which country in the table above has the lowest elevation, graph each integer on a number line.

EXAMPLE 1GUIDED PRACTICE for Example 1

Order the integers from least to greatest.

1. –7, 2, –1, 0, –2

2. 9, –4, 12, –11, –1

3. 0, –99, 44, –60, 16

–7, –2, –1, 0, 2ANSWER

ANSWER –11, –4, –1, 9, 12

ANSWER –99, –60, 0, 16, 44