Electoral Geography and Redistricting

Active learning works for this topic because student-created maps and simulations reveal how geography and human decisions shape elections in tangible ways. When students manipulate boundaries and analyze real ridings, they move from abstract concepts to concrete evidence about fairness in representation.

• Grade 10
• Geography
• 4 activities
• 30 min–50 min

Learning Objectives

1. Analyze the spatial distribution of demographic groups within electoral districts and its correlation with past voting patterns.
2. Explain the mathematical and political principles behind the creation of electoral district boundaries in Canada.
3. Compare and contrast the outcomes of electoral redistricting processes in different Canadian provinces or international examples.
4. Critique the fairness of a given electoral map based on established criteria for representation and equity.
5. Design a hypothetical redistricting plan for a specific region, justifying boundary choices based on geographic and demographic data.

Simulation Game

⏱ 45 min·Small Groups

Simulation Game: Gerrymandering Draw-Off

Provide groups with maps of sample populations marked by party support. Instruct them to draw three district options: one compact, one gerrymandered for one party, and one balanced. Have groups present and justify their maps to the class.

Prepare & details

Analyze how geographic boundaries of electoral districts can influence election results.

Facilitation Tip: During the Gerrymandering Draw-Off simulation, circulate with a red pen to mark any district that clearly isolates supporters of one party or splits their votes, then ask the student to explain their intent.

Setup: Flexible space for group stations

Materials: Role cards with goals/resources, Game currency or tokens, Round tracker

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

Concept Mapping

⏱ 50 min·Pairs

Concept Mapping: Ontario Riding Analysis

Assign pairs current and past riding maps from Elections Ontario. Students overlay census data on income, age, and urban-rural splits, then chart how boundaries correlate with election swings. Discuss findings in a whole-class share-out.

Prepare & details

Explain the concept of gerrymandering and its impact on democratic representation.

Facilitation Tip: For the Ontario Riding Analysis mapping activity, provide colored pencils and a transparency overlay so students can trace demographic shifts and compare them to riding boundaries.

Setup: Tables with large paper, or wall space

Materials: Concept cards or sticky notes, Large paper, Markers, Example concept map

• Understand
• Analyze
• Create
• Self-Awareness
• Self-Management

Formal Debate

⏱ 40 min·Small Groups

Formal Debate: Redistricting Reforms

Divide class into teams to research and argue for methods like independent commissions, citizen assemblies, or algorithms. Each team presents evidence from Canada and other countries, followed by a class vote on best approach.

Prepare & details

Critique different approaches to electoral redistricting for fairness and equity.

Facilitation Tip: During the Redistricting Reforms debate, assign specific roles (e.g., demographer, rural resident, party strategist) to ensure each perspective is represented.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

• Analyze
• Evaluate
• Create
• Self-Management
• Decision-Making

Case Study Analysis

⏱ 30 min·Individual

Case Study Analysis: Historical Gerrymandering

Individuals review a key Canadian or US case with provided documents. They annotate maps showing boundary changes and outcome shifts, then pair to compare geographic influences.

Prepare & details

Analyze how geographic boundaries of electoral districts can influence election results.

Facilitation Tip: For the Historical Gerrymandering case study, play a short audio clip of a news report from the era to immerse students in the context before analysis.

Setup: Groups at tables with case materials

Materials: Case study packet (3-5 pages), Analysis framework worksheet, Presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management

Teaching This Topic

Experienced teachers approach this topic by grounding abstract concepts in hands-on work. Start with simulations to expose how easy it is to manipulate outcomes, then move to real data to correct assumptions. Avoid lecturing on technical terms like 'cracking' or 'packing' without immediate application; students learn these best by trying and failing to gerrymander effectively. Research shows that students retain geographic reasoning better when they see how their own boundary choices affect fictional populations.

What to Expect

Successful learning looks like students explaining how boundary manipulation changes outcomes, identifying gerrymandering techniques in maps, and debating redistricting principles with evidence from demographic data. They should connect census data to real ridings and defend their redistricting choices with clear reasoning.

Watch Out for These Misconceptions

Common Misconception

During the Gerrymandering Draw-Off simulation, watch for students who claim their maps are 'fair' without noticing how they pack opponents or split their supporters.

What to Teach Instead

After the simulation, have students swap maps with peers and mark three ways each plan manipulated boundaries, then discuss why these moves favor one party over another.

Common Misconception

During the Ontario Riding Analysis mapping activity, watch for students who assume rural ridings always favor the same party because of size alone.

What to Teach Instead

Use the activity’s demographic overlays to redirect their focus to population density and migration patterns, asking them to identify which ridings have growing urban centers or declining rural populations.

Common Misconception

During the Redistricting Reforms debate, watch for students who dismiss geography entirely and argue boundaries should only reflect population numbers.

What to Teach Instead

Refer back to the case studies and maps from the Ontario Riding Analysis, asking them to describe how ignoring communities of interest (e.g., Indigenous reserves, farming regions) would affect representation in specific ridings.

Assessment Ideas

Exit Ticket

After the Gerrymandering Draw-Off, provide each student with a new fictional map and ask them to identify one instance of either 'packing' or 'cracking' in the given districts, explaining their choice in one sentence.

Discussion Prompt

After the Ontario Riding Analysis, facilitate a class debate using the prompt: 'Should boundaries prioritize equal population or keeping communities of interest intact?' Have students support their arguments with examples from their mapped ridings.

Quick Check

During the Historical Gerrymandering case study, present students with a brief scenario of a 19th-century redistricting controversy and ask them to identify the primary stakeholders and geographic factors involved, recording their answers on a graphic organizer.

Extensions & Scaffolding

• Challenge: Ask students to design a redistricting plan that maximizes voter choice, then compare it to actual provincial plans using the same criteria.
• Scaffolding: Provide a list of key demographic questions to guide the Ontario Riding Analysis (e.g., 'Where are Indigenous communities concentrated?').
• Deeper exploration: Invite a local election official or demographer to discuss how community input is incorporated—or ignored—in their region’s redistricting process.

Key Vocabulary

Electoral District (Riding)	A specific geographic area represented by an elected official in a legislature. Boundaries are redrawn periodically to ensure equal representation.
Gerrymandering	The manipulation of electoral district boundaries to favor one political party or group. This can involve 'packing' opponents into few districts or 'cracking' their vote across many.
Redistricting	The process of redrawing the boundaries of electoral districts to reflect population changes, as determined by census data. In Canada, this is typically done by independent commissions.
Representation Equity	The principle that electoral districts should be drawn to ensure fair and equal representation for all citizens, regardless of their geographic location or political affiliation.
Community of Interest	A group of people living in the same geographic area who share common social, economic, or cultural ties, which redistricting aims to keep together within a single electoral district.