Like this resource? Click here for a similar FREE PRODUCT!Algebra students often have trouble remembering the slope of vertical and horizontal lines. Use this simple song with students to help them remember! At first they think it is silly, but I reward them for singing it with me, and eventually they think it's fun. Later, I find them humming it during tests or assignments to remind themselves, and they say it really helps! Check out my store for more listings like this!