Teaching the concept of ratios? This purchase introduces the students to ratios and equal ratios using dogs and cats. The students learn how to use ratio language to describe a relationship between two quantities. Guided notes explain the concept of a ratio. Practice problems and independent practice problems assess the students’ understanding of the concept. The matching activity asks the students to group equal ratios (shown with numbers and with pictures). The guided notes, worksheets, and matching activity portion is 9 pages. The PowerPoint follows along with the guided notes and is 26 slides.