Authentic Lessons for 21st Century Learning

QR Codes

Keiana Cross, Bradly Cusack, Danny Mattox, Ryan Whitlock | Published: September 21st, 2022 by K20 Center


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QR Codes

QR codes are scannable, square barcodes that allow you to quickly access websites, images, or texts.

QR Codes


A Quick Response (QR) code is a type of barcode that can be scanned by mobile device cameras. Once scanned, the barcode automatically generates a text or directs you to an online link. QR codes provide a quick and easy way to direct learners to contents without the need to type a long web address.

“QR Code” is a registered trademark of Denso Wave Incorporated in Japan and other countries.


Examples of QR code generators

Scan a QR code

  1. Open the camera app or a QR code scanner on your mobile device.

  2. Point and hold the camera at the QR code.

  3. Select the web address that displays after scanning the code.

Create a QR code

  1. In a QR code app, add a destination URL or text that you wish to display when the QR code is scanned.

  2. After a QR Code is generated, download the QR code image.

  3. Display the QR code for it to be scanned.