Home Task 3: Data- Representation Task 3 Task 3 By Mary-Alice Redden. Published on October 17, 2019. 0 I set up a class shop and had students use iPads to scan the QR codes like a barcode to find the price of each object. I found the idea on TeachStarter. Share this:TwitterFacebookLike this:Like Loading... + There are no comments Add yours Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.