This editable PowerPoint presentation provides basic ratio information including definition, how to write ratios, simplifying ratios, scaling up or down to create equivalent ratios, Problem-Solving with ratios, and practice problems you can try. Use this presentation as an introduction to ratios or to review before an assessment. Click to check out my YouTube video as an example of how to lead this lesson with your class, either in-person or remotely! Customer Tips:How to get TpT credit to use