JHS1 Mathematics · Term 3 Week 9: Data

Lesson notes

Learning Objectives

Indicator: B7.4.1.1.1 - Select and justify a method to collect data (quantitative and qualitative) to answer a given question.

By the end of the lesson, learners can:

Distinguish between quantitative data (data about quantities, counted or measured) and qualitative data (data about qualities, descriptions or categories).
Identify at least five different methods of data collection: questionnaires, interviews, observation, experiments, surveys, databases, and electronic media or internet.
Match a given research question to the most appropriate data collection method and give a reason for the choice.
Justify their choice of data collection method in writing, stating why other methods would be less suitable for the question at hand.
Work in groups to discuss and decide on data collection methods for real-life questions, presenting their reasoning to the class.

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Curriculum details

Strand: Handling Data (Strand 4)
Sub-strand: Data (4.1)
Content standard: B7.4.1.1 - Select, justify, and use appropriate methods to collect data (quantitative and qualitative), display and analyse the data (grouped/ungrouped) presented in frequency tables, line graphs, pie graphs, bar graphs or pictographs and use these to solve and/or pose problems.
Indicator: B7.4.1.1.1 - Select and justify a method to collect data (quantitative and qualitative) to answer a given question.
Suggested placement: Term 3, Week 9 (Week 33 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: Mathematics, Common Core Programme (JHS1-JHS3), 2023, p. 77
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1. In small groups, learners discuss and write down how they would make decisions in the following situations, what facts they would take into account and how they would collect these 'facts:
(a) The type of drinks to buy for a class party.
(b) The make of football boots to buy for the school team.
(c) Do people who eat more fufu develop pot belly?
(d) The number of desks in each classroom.
(e) The amount of money B6 students spend on bus fare to school every month.
(g) Buy a mobile phone from an online shop.
E.g. 2. Lead a discussion on the methods of data collection below and ask them to identify which method they will use to gather the facts for each situation (i.e. in E.g. 1. above)
- questionnaires,
- interview,
- observation,
- experiments,
- survey
- databases,
- electronic media or internet