Geography · 9th Grade

Active learning ideas

Suburban Sprawl and New Urbanism

Active learning works especially well for suburban sprawl and New Urbanism because students need to see, touch, and reshape the physical patterns we study. Moving from aerial images to zoning maps to redesign proposals lets students connect abstract policy decisions to real places they recognize in their daily lives.

• Common Core State Standards
• C3: D2.Geo.12.9-12
• C3: D2.Geo.1.9-12

• 15–40 min
• Pairs → Whole Class
• 3 activities

Activity 01

• Gallery Walk
• 25 min · Small Groups

Gallery Walk: Comparing Development Patterns

Post aerial images of six sites: three classic postwar suburbs (Levittown, a cul-de-sac subdivision, a strip mall corridor) and three New Urbanist or transit-oriented developments. Students rotate and annotate each image for density, walkability indicators, transit access, and mix of uses. Debrief compares what each pattern costs residents and municipalities.

Analyze the environmental costs of car-dependent suburban sprawl.

Facilitation Tip

For the Think-Pair-Share on public transit, assign pairs before posing the question so quieter students have a ready partner and can rehearse their thinking aloud before sharing with the whole class.

What to look for

Provide students with two sets of aerial images: one of a typical 1960s-era suburban subdivision and one of a New Urbanist development. Ask them to list three observable differences in land use, density, and street design for each, and one potential environmental consequence of the sprawl example.

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

Activity 02

• Project-Based Learning
• 40 min · Small Groups

Design Challenge: Redesign a Sprawl Suburb

Provide a simplified land-use map of a generic suburban area and a menu of New Urbanist design principles. Groups must redesign one quadrant of the map to meet at least four principles within a set budget, identifying what trade-offs they had to make. Groups present their design decisions and explain what they chose not to do and why.

Explain how 'New Urbanism' attempts to fix the problems of the modern suburb.

What to look for

Pose the question: 'Given the challenges of funding and ridership, why is building effective public transit often more difficult in established, sprawling US cities than in newer, denser urban areas?' Facilitate a discussion that touches on infrastructure costs, political will, and existing land use patterns.

• Apply
• Analyze
• Evaluate
• Create
• Self-Management
• Relationship Skills
• Decision-Making

Activity 03

• Think-Pair-Share
• 15 min · Pairs

Think-Pair-Share: Why Is Public Transit Difficult in US Suburbs?

Give each pair a map of a postwar suburban town alongside its bus route map. Pairs identify the structural geographic reasons (lot size, cul-de-sac street layout, dispersed employment) that make transit economically unviable. Share-out builds a class list of the preconditions for effective transit, which students then compare to a provided transit-oriented development map.

Justify why public transit is often difficult to implement in US cities.

What to look for

Ask students to write one sentence explaining how New Urbanism attempts to mitigate the environmental costs of suburban sprawl. Then, have them list one specific feature of New Urbanism that appeals to them and one potential drawback.

• Understand
• Apply
• Analyze
• Self-Awareness
• Relationship Skills

A few notes on teaching this unit

Start with the Gallery Walk to build shared evidence before students form opinions; this prevents debates from becoming abstract and keeps the discussion grounded in observable differences. Avoid letting students default to ‘sprawl is bad’ or ‘New Urbanism is good’ without anchoring their claims to the images, policies, and data they just examined.

Students will move from recognizing sprawl and New Urbanism to explaining why they look the way they do and evaluating their trade-offs. By the end, they should be able to connect federal policies, design choices, and equity concerns in a single coherent argument.

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Watch Out for These Misconceptions

• During the Gallery Walk activity, watch for students attributing suburban development patterns solely to individual lifestyle choices.

  Redirect them to the policy labels on each image station, prompting them to re-examine how highway funding, mortgage policies, and zoning regulations shaped these landscapes.

• During the Design Challenge activity, watch for students assuming New Urbanism automatically solves equity and affordability problems.

  Ask them to review the cost data table on each project site and revise their proposals to include affordable housing types or inclusionary zoning incentives.

• During the Think-Pair-Share activity on public transit, watch for students generalizing that ‘suburban sprawl is a US-only issue’.

  Show the global map of car-dependent suburbs on the screen and ask pairs to locate at least one non-US example they recognize, then explain the common government subsidies that drive the pattern.

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Methods used in this brief

• Gallery Walk
• Project-Based Learning
• Think-Pair-Share