These activities are a great tool for embedding student choice with the essential real world skill of applying both sales tax and discounts. This was an introductory activity that I put up on Google Classroom after our lesson. It served as a critical check for understanding data, as their final project for the unit, "Store Discounts Uniform Remodel Final Project" (on my store). Doing both of these assignments was very effective in seeing the commonly made mistake students will make when learning