The problem asks us to graph the opposite of $1.5$ on the number line. The number line is given, with tick marks at $-1.5, -1, -0.5, 0, 0.5, 1$, and $1.5$. The number line currently has a green dot on $-1$.

1. Problem Description

The problem asks us to graph the opposite of $1.5$ on the number line. The number line is given, with tick marks at $-1.5, -1, -0.5, 0, 0.5, 1$, and $1.5$. The number line currently has a green dot on $-1$.

2. Solution Steps

To find the opposite of a number, we change its sign. The opposite of $1.5$ is $-1.5$. Therefore, we need to move the green dot to $-1.5$.

3. Final Answer

The green dot should be moved to $-1.5$.