Lesson on converting between fractions, decimals and percentages, percent increase or decrease, percent of a number, ratios and proportions. Emphasis on what percentage actually means. I taught this over 5 days, 50-55 minute lessons per day. Target level 5th-6th grade, or 7th grade as review. This would ideally be spread out over several weeks. Slides are annotated, showing step-by-step how to solve problems. Includes work problems and practical examples.I have a shorter, simpler version geared