Adding and Subtracting Integers - $how Me the Money! Because everyone deals with money (usually from a very young age), I found that relating integers to money is very intuitive for students at any level – upper elementary to algebra. You will be amazed how quickly and painlessly your students will finally grasp adding and subtracting integers. PowerPoint:-2-Part, fun and very engaging PowerPoint slide presentation *Part 1 – Adding Integers (16 slides) *Part 2 – Subtracting Integers (15 slides)