Student instruction Demonstrate prior knowledge of classification (grouping) of animals. Move the images into 3 different categories based on similarities. 1. Tap the add response button. 2. Move the images into 3 categories based on their similarities. 3. Use the or to label each column to show your thinking. 4. Tap the or to explain your rule (why did you group them this way). 5. When you finish, tap the green tick to add to your portfolio.