The document discusses using QR codes in the classroom. It provides examples of how QR codes can be used for scavenger hunts, interactive lessons, accessing information, and assessments. QR codes allow students to access videos, websites, and other digital content. Teachers can create QR codes to include interactive elements in lessons across subjects like English, science, PE and more. The document also provides instructions for creating QR codes on computers and iPads as well as resources for using QR codes in education.