Ordnance Survey Map Symbols

Active learning helps students grasp Ordnance Survey map symbols because symbols are abstract and require spatial reasoning. When students manipulate symbols physically or in groups, they transition from passive recall to active pattern recognition, which improves retention of both natural and human feature distinctions.

• 5th Year
• Exploring Our World: Global Connections and Local Landscapes
• 4 activities
• 30 min–50 min

Learning Objectives

1. Classify Ordnance Survey map symbols into categories of natural and human features.
2. Explain how standardized symbol design conventions facilitate efficient communication of geographical information on maps.
3. Analyze the spatial arrangement of OS map symbols on a 1:50,000 map extract to identify landform assemblages, settlement hierarchies, and transport infrastructure relationships.
4. Evaluate how comparative analysis of successive OS map editions reveals land-use change and environmental transformation in Ireland over time.

Ready-to-Use Activities

Escape Room

⏱ 30 min·Small Groups

Symbol Matching Relay: Natural vs Human

Prepare cards with OS symbols on one set and descriptions on another. In small groups, students race to match natural features like contours and rivers separately from human ones like roads and buildings. Groups discuss mismatches to refine understanding.

Prepare & details

Differentiate between the OS map symbols representing natural features — including relief, hydrology, and vegetation cover — and human features — including transport networks, settlement morphology, and land-use categories — and explain how standardised symbol design conventions enable efficient communication of geographical information.

Facilitation Tip: During Symbol Matching Relay, circulate and listen for students explaining their reasoning when pairing symbols to features, as verbalizing thought processes strengthens understanding.

Setup: Group tables with puzzle envelopes, optional locked boxes

Materials: Puzzle packets (4-6 per group), Lock boxes or code sheets, Timer (projected), Hint cards

• Remember
• Apply
• Analyze
• Relationship Skills
• Self-Management

Escape Room

⏱ 45 min·Pairs

Map Extract Scavenger Hunt

Provide 1:50,000 OS map extracts. Students in pairs locate and list 15 symbols, noting spatial patterns such as river proximity to settlements. Pairs present one pattern to the class for verification.

Prepare & details

Analyse how the spatial arrangement of OS map symbols reveals underlying patterns of physical geography and human activity, using a specific 1:50,000 map extract to identify landform assemblages, settlement hierarchies, and transport infrastructure relationships.

Facilitation Tip: For the Map Extract Scavenger Hunt, assign roles so each student searches for one symbol type, then compare findings as a group to build collective knowledge.

Setup: Group tables with puzzle envelopes, optional locked boxes

Materials: Puzzle packets (4-6 per group), Lock boxes or code sheets, Timer (projected), Hint cards

• Remember
• Apply
• Analyze
• Relationship Skills
• Self-Management

Escape Room

⏱ 50 min·Whole Class

Historic Map Overlay Comparison

Supply paired OS maps from different eras. Whole class overlays transparencies to trace changes in symbols for roads or vegetation. Students annotate and discuss evidence of development.

Prepare & details

Evaluate how comparative analysis of successive OS map editions functions as a primary source for tracking land-use change, infrastructure development, and environmental transformation in Ireland over time.

Facilitation Tip: In Historic Map Overlay Comparison, have students trace changes in symbol placement side by side, which makes abstraction concrete through visual evidence.

Setup: Group tables with puzzle envelopes, optional locked boxes

Materials: Puzzle packets (4-6 per group), Lock boxes or code sheets, Timer (projected), Hint cards

• Remember
• Apply
• Analyze
• Relationship Skills
• Self-Management

Escape Room

⏱ 35 min·Individual

Custom Map Symbol Design

Individuals draw a local area map using OS conventions, adding five natural and five human symbols. They swap with a partner for peer review on accuracy and clarity.

Prepare & details

Differentiate between the OS map symbols representing natural features — including relief, hydrology, and vegetation cover — and human features — including transport networks, settlement morphology, and land-use categories — and explain how standardised symbol design conventions enable efficient communication of geographical information.

Facilitation Tip: When students design Custom Map Symbols, ask them to justify their designs by referencing existing OS conventions to reinforce standardization.

Setup: Group tables with puzzle envelopes, optional locked boxes

Materials: Puzzle packets (4-6 per group), Lock boxes or code sheets, Timer (projected), Hint cards

• Remember
• Apply
• Analyze
• Relationship Skills
• Self-Management

Teaching This Topic

Experienced teachers approach this topic by first grounding students in the purpose of standardization. Avoid overwhelming students with too many symbols at once. Research shows that repeated, low-stakes exposure to symbols in varied contexts builds fluency. Use color-coding to highlight categories and emphasize how symbols simplify complex landscapes into readable formats.

What to Expect

Successful learning shows when students accurately identify and categorize symbols in real contexts, explain their purpose, and apply this knowledge to interpret landscape features. They should also recognize how symbols communicate spatial relationships efficiently and consistently.

Watch Out for These Misconceptions

Common Misconception

During Symbol Matching Relay, watch for students assuming all map symbols are universal.

What to Teach Instead

Use the relay to highlight Irish OS symbols by providing a key and asking groups to compare it with symbols from other countries, noting differences in design and meaning.

Common Misconception

During Map Extract Scavenger Hunt, watch for students believing all map features are shown in equal detail.

What to Teach Instead

Have students tally which features are included or omitted in their extracts and discuss why, using the activity’s findings to explain how scale and purpose shape symbol selection.

Common Misconception

During Symbol Matching Relay, watch for students assuming natural and human symbols are always distinct.

What to Teach Instead

Use the relay’s sorting task to point out overlapping symbols like lines for paths and rivers, then ask students to explain how context determines meaning.

Assessment Ideas

Quick Check

After Symbol Matching Relay, provide a small OS map extract and ask students to identify three natural and three human features, listing the symbols used. Review lists for accuracy and classification.

Exit Ticket

After Historic Map Overlay Comparison, have students write one symbol they found difficult to interpret and explain in one sentence how comparing two map editions revealed a change in land use.

Discussion Prompt

During Custom Map Symbol Design, pose the question, 'How do standardized OS symbols help someone understand a place they have never visited?' Facilitate discussion by asking students to reference specific symbols and their communicative power.

Extensions & Scaffolding

• Challenge early finishers to create a symbol scavenger hunt for peers, using symbols from multiple map extracts.
• Scaffolding for struggling students: Provide a simplified key with only the symbols they need for the current task, and pair them with a confident peer.
• Deeper exploration: Have students research how symbols evolve over time by comparing OS maps from different decades, noting which symbols remain consistent and which change.

Key Vocabulary

Contour lines	Lines on a map that connect points of equal elevation, used to represent relief and slope.
Hydrology symbols	Standardized markings on maps representing bodies of water like rivers, lakes, and canals, as well as drainage features.
Settlement morphology	The study of the form and structure of human settlements, often depicted on maps by patterns of buildings and roads.
Land-use categories	Specific symbols or patterns used on maps to denote different types of human activity or land cover, such as agriculture, forestry, or urban areas.
Cartographic conventions	Established rules and practices in mapmaking that ensure consistency and clarity in the representation of geographical information.