SHS2 Economics · Semester 1 Week 8: Consumer Behaviour

Lesson notes

Learning Objectives

Indicator: 2.1.3.LI.2 - Sketch the utility curves (Total, Marginal and Average)

By the end of the lesson, learners can:

Define total utility, marginal utility and average utility in their own words.
Compute total utility, marginal utility and average utility from a given set of data.
Sketch accurately labelled curves for total utility, marginal utility and average utility from computed data.
Explain the relationship between the shapes of the total, marginal and average utility curves.
Interpret the point at which marginal utility intersects average utility and where total utility reaches its maximum.

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Curriculum details

Strand: Consumers' Rational Decision Making (Strand 1)
Sub-strand: Consumer Behaviour (1.3)
Content standard: 2.1.3.CS.1 - Apply knowledge in utility concept as a rational consumer. 2.1.3.LO.1 Exhibit rational behaviour in determining the equilibrium in consumption of goods and services through practical experiences.
Indicator: 2.1.3.LI.2 - Sketch the utility curves (Total, Marginal and Average)
Suggested placement: Semester 1, Week 8 (Week 8 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. 65

Exemplars (from the NaCCA curriculum)

Building on What Others Say: Use participatory feedback to draw the various utility curves. Give more time to learners approaching proficiency
Assessment (2.1.3.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 4 Extended critical thinking and reasoning.
Teaching and Learning Resources:
- Pencil
- Pens
- Eraser
- Ruler
- Exercise books
- Markers
- White boards
- Microsoft Excel
- Computer