Gizmo Warm-up One way to compare two numbers is to "lot them on a number line, such as the one in the Rational Numbers, Oppocites, and Absolute Values Girmo. in the imo, click the ""oom in (+) button to the right of the number line twice so that the number line looks like this: 7 2 1. rag the, urple dot to 12 and the green dot to 3 raw the dots on the number line above. 2. Based on their positions on the number line, which fraction is greater? Explain.