The day finally arrived for an opportunity for a lesson that involved QR codes.  The school I work in has a lot of history, as construction initially began around 1915.  I spent the night before generating QR codes that would lead the students on a tour of the school, stopping at the war memorials and pictures of soldiers from WWII.  In particular, I had the students take a look at the 1936 graduation photo of William McKnight, a famous Canadian flying ace.  The final QR code was linked to my school blog, where an assignment was provided for students to research McKnight, then generate their own QR code that could be used by other students in the school to learn more about a famous Canadian hero.

The excitement from the students was amazing.  Not everyone had a smartphone, but about 50% of them did, and the students worked well together.  Despite my warnings, they raced around the school, stopping at the key points, and taking pictures.  The entire lesson took just under an hour, and the next day they came rushing in, hoping I had made another QR hunt.

What made the exercise worthwhile for me was that the students not only learned something, but that they created their own content for others to see.  And because their QR codes would be on display in the school, they seemed to take more time to complete.