How do QR Codes work?

QR Code Chrome Extension

QR Code Generator

Using QR Codes in the Classroom

10 Ways to Use QR Codes

Image from : https://www.whatihavelearnedteaching.com/using-qr-codes-in-the-classroom/

QR Stuff

Kathy Schrock's Guide

Picture from : http://education.abc.net.au/newsandarticles/blog/-/b/183497/qr-codes-for-digital-learning by ABC Splash