I struggle with like categories when instructing a comparison table. Co-instructing helps to hear another team member (Dana) present her interpretation of the like categories. In planning our presentation we problem solved a variety of examples to make this more clear when instruction was provided to our team members. Next time I would review some of the examples provided in the book and offer one to the team for clarity. Our math instructor especially, appreciated this concept and would like to use the fraction and decimal examples provided. The extension activities is where the trainer found creativity in presentation to explain classroom application.