The opposite of -6.5, is the number on the opposite side of 0 that is the same distance from 0 that -6.5 is from 0. -------o----------------o----------------o-------- -6.5 0 ? What is that number where the question mark is? The absolute value of 6.5 is the distance on the number line starting at 0 and going to 6.5. What distance is that? Are they the same? Edwin