Use a number line to order these integers from least to greatest: $-8,5,-4,2,0,6$.

On a number line, the positive real numbers increase indefinitely to the right of 0 and the negative real numbers decrease indefinitely to the left of the center point.

A positive number N is located at a distance of N units from the center point 0. And a negative number $-P$will be located at a distance of P units to the left of 0 on the number line.

In order to plot the given numbers on the number line, observe that $-8$ will be located at a distance of 8 units to the left of 0. Similarly, -4 will be located at a distance of 4 units to the left of 0.

Similarly, the numbers 2, 5, and 6 will be located at the right side of 0 at a distance of 2 units, 5 units and 6 units respectively.

The plot of the numbers on the number line shown below: