This is a great powerpoint to use when teaching ratios. It is interactive, and completely done for you. All you need to do is start powerpoint and follow the slides. You are provide with an entire mini lesson which includes the preview, learning objective, a review of any necessary subskills needed,an explantion of ratios are, expert thinking including any steps needed to solve the problems, guided problems to use for gradual release, closure and a notes page for students to add to their notebooks. These are great mini lessons that I use in my 6th and 7th grade math classes. They are common core aligned and they take they are great to use in the classroom !