Scan Smart!
Understanding QR Codes
Digital Technologies Progress Outcomes
[CTDT] = PO1
Understanding that digital systems take input, process, and output information
Recognising QR codes as a data input mechanism
Understanding that digital devices store and use information
Recognising digital outcomes in everyday life
Beginning to evaluate usefulness of digital tools in context
Cross-Curricular Links
Personal safety,
decision-making, managing risk
Ethical issues, impact of tech on society, power & influence
Reasoned opinion & debate
Year Levels
Y4-6 (Scaffolded, conceptual, using closed digital ecosystems)
Y7-8+
Duration
1 lesson
Resources
Extension
Challenge learners to consider what hidden steps happen in the background between scanning a QR code and accessing content. Prompt them to identify roles and processes and put together a skit that demonstrates the process.
Prompt learners to consider real-world examples of where QR codes are used and to attempt to design and justify a better or simpler alternative. Explore the advantages and trade-offs of this digital tool.
Guide learners to try another activity in the Understanding QR Codes series:
About Activity
This activity and guidance is designed to build awareness of the ethical, social, and safety considerations associated with QR codes. Learners will discuss positive actionable habits around interacting with QR codes and reflect on potential risks and benefits of using QR codes in different contexts.
Guide learners to develop safe and responsible practices around QR codes, apply critical thinking when interacting with digital systems like QR codes in the real world, and make informed decisions with digital technologies that safeguard trust, privacy, wellbeing.
Activity Guide
Essential Guidance for Digital Safety & Wellbeing
Discussions about digital risk and misuse can surface sensitive or complex issues, including scams, privacy breaches, or harmful online experiences. These need to be handled with care and maturity.
Teachers should:
Present scenarios in a controlled and age-appropriate way
Avoid exposing students to real harmful content or live examples of malicious QR codes
Be mindful that students may disclose prior unsafe experiences
It’s best practice to:
Focus on empowerment and what students can do to stay safe, rather than fear
Reinforce clear, actionable habits like checking and evaluating context before interacting
Align discussions with school policies and other guidance around digital safety and wellbeing
Extension: Video Essay (Recommended for Y9+)
For older learners (rec. Y9+), consider using this video to help explain and demonstrate aspects of a QR code in more detail. These sections are most relevant to this activity:
00:38-09:38 The Pre-History of QR Codes [09:00]
09:38-12:32 The Story of QR Codes [02:54]
29:05-31:16 Applications of QR Codes [02:11]
32:24-35:00 The Future of QR Codes [02:36]
‘Understanding QR Codes’ Series
This activity is one of a series of resources related to QR codes, designed to guide learners to understand and gain skills related to this digital tool. Check out these other activities in the collection:
