Computing · Year 3

Active learning ideas

Local Area Networks (LANs) in Action

Active learning works especially well for Local Area Networks because young students learn best by handling real objects and seeing how parts connect. When children physically sort cables, routers, and web pages, the abstract idea of ‘hardware versus service’ becomes concrete and memorable.

• National Curriculum Attainment Targets
• KS2: Computing - Computer Networks
• KS2: Computing - Information Technology

• 20–30 min
• Pairs → Whole Class
• 3 activities

Activity 01

• Simulation Game
• 20 min · Whole Class

Simulation Game: The Web vs. The Highway

Create a floor map where 'roads' represent the internet cables. Students act as 'trucks' (the internet) carrying 'cargo' (web pages, emails, or videos) to different destinations to show that the road exists to carry different things.

Explain the function of a router in connecting multiple devices.

Facilitation Tip

During the simulation, remind students to move slowly along the ‘tracks’ so the train (web) doesn’t derail and they can clearly see the hardware supporting it.

What to look for

Provide students with a small slip of paper. Ask them to draw a simple diagram showing their classroom computer connecting to a router, and label at least two network components. Then, ask them to write one sentence explaining what the router does.

• Apply
• Analyze
• Evaluate
• Create
• Social Awareness
• Decision-Making

Activity 02

• Inquiry Circle
• 30 min · Small Groups

Inquiry Circle: URL Anatomy

Give groups a set of printed web addresses. They must 'dissect' them to find the 'www', the name of the site, and the domain (like .uk), discussing why each part is needed to find the right 'house' on the internet.

Compare how wired and wireless connections transmit information.

Facilitation Tip

While investigating URL anatomy, circulate with pre-printed labels so students can physically attach ‘domain’ and ‘path’ to each part of the URL string.

What to look for

During a classroom walk-through, point to a visible network cable or a router. Ask students to identify the component and explain its basic function in one sentence. For example, 'What is this, and how does it help our computers talk to each other?'

• Analyze
• Evaluate
• Create
• Self-Management
• Self-Awareness

Activity 03

• Gallery Walk
• 25 min · Small Groups

Gallery Walk: Services of the Internet

Place posters around the room representing different internet services (Web, Email, Gaming, Streaming). Students rotate to add stickers or notes about which ones they use, reinforcing that the web is just one part of the whole.

Construct a simple diagram illustrating how devices in our classroom connect to the internet.

Facilitation Tip

During the gallery walk, have students record one surprising service they discovered on a sticky note and place it next to the corresponding photo or device.

What to look for

Pose the question: 'Imagine our school's internet suddenly stopped working. What are two possible reasons, related to the network components we've learned about, why this might happen?' Encourage students to think about routers, switches, or cables.

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

A few notes on teaching this unit

Teach this topic through layered analogies: first the tracks-and-train metaphor, then a hands-on cable sorting task, and finally a gallery walk that connects services to devices. Avoid introducing terms like ‘packet’ or ‘IP address’; instead, keep language simple and visual. Research shows that concrete comparisons plus peer talk build stronger mental models than abstract definitions alone.

By the end of the activities, every student should confidently point to a router or cable and explain, in their own words, whether it is part of the internet or the web. They should also label at least two components in a simple diagram and describe their basic function.

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Watch Out for These Misconceptions

• During Simulation: The Web vs. The Highway, watch for students who treat the train and tracks as interchangeable.

  Pause the activity and ask each group to hold up either a ‘track’ card or a ‘train’ card before moving forward, forcing them to verbalize the correct analogy.

• During Collaborative Investigation: URL Anatomy, watch for students who think the entire URL is the web address.

  Have students cut the URL into three labeled strips—protocol, domain, path—and physically rearrange them to see that only the domain and path name the web page.

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Methods used in this brief

• Simulation Game
• Inquiry Circle
• Gallery Walk