Maps: Their Elements and Analyses · SHS2 Geography

Lesson notes

Learning Objectives

Indicator: 2.2.1.LI.1 - Reproduce map by reduction and enlargement

By the end of the lesson, learners can:

Explain the meaning of map reduction and map enlargement in their own words.
Identify the scale of a given topographical map and calculate the new scale after reduction or enlargement using a scale factor.
Apply the grid method to reproduce a simple map at a reduced or enlarged scale on graph paper.
Transfer important physical and human features (such as rivers, roads, settlements, and spot heights) accurately onto a reproduced map.
Justify the choice of a suitable scale factor when reproducing a map for a specific purpose, such as fitting a map onto a smaller page or showing more detail.

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Curriculum details

Strand: Navigating Our Environment (Strand 2)
Sub-strand: Maps: Their Elements and Analyses (2.1)
Content standard: 2.2.1.CS.1 - 2.2.1.CS.1 Demonstrate skill in map analysis 2.2.1.LO.1 Using the knowledge from maps and scales, reproduce maps, measure distances and areas, determine direction and bearings, and draw cross-sectional profiles between places
Indicator: 2.2.1.LI.1 - Reproduce map by reduction and enlargement
Suggested placement: Semester 1, Week 16 (Week 16 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 75

Exemplars (from the NaCCA curriculum)

Talk for learning: Using video, maps and other relevant materials in all-inclusive, emphasizing on gender responsive groups; i) Discuss, the steps or procedures to reduce and enlarge a map. ii) Elaborate on the steps or procedures to insert features on a reproduced map.
Project-based Learning: Engage in an artwork by reducing and enlarging a given map individually and insert important physical and human features. Learners during discussions should provide opportunities for others to practice identifying potential situations or experiences that lead to feeling overwhelmed and struggling to manage emotions.

Assessment (2.2.1.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning.

Teaching and Learning Resources:
- Watch videos on map reduction and enlargement on mobile phones, computers/laptops.
- Printed topographical maps
- Topographical maps
- Calculator, thread, paper, measuring tape, etc.