This file is a Power-Point presentation on Slope of A line formed by joining two points. It helps you easily explain the concept in a very simple way so that the students understand it easily. It also contains illustration of the formula and also two different model problems which makes the student understand the concept very easily . It also contains practice problems which you can assign to students so that they gain perfection in the concept and the answers to the problems are included in the last slide.It is an animated presentation which can be edited according to your requirements of teaching.