B6 Computing · Term 2 Week 8: Network Overview

Lesson notes

Indicator: B6.6.1.1.3 - Identify data duplication.

By the end of the lesson, learners can:

Define data duplication in their own words and give at least two everyday examples.
Identify duplicated entries when shown a list of names, numbers, or other data.
Explain at least two problems that data duplication can cause in a computer network or a school record system.
Suggest a simple way to check for and remove duplicated data in a list.
Work in pairs to create a clean, duplicate-free list from a given messy list.

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Strand: Internet and Social Media (Strand 6)
Sub-strand: Network Overview (6.1)
Content standard: B6.6.1.1 - Demonstrate how to Network computers.
Indicator: B6.6.1.1.3 - Identify data duplication.
Suggested placement: Term 2, Week 8 (Week 20 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: Computing Curriculum (Basic 4-6), 2019, p. 43
Transcribed from the official NaCCA publication. Check this page against the source.

Display list of names of learners on the board and ask them to identify the duplicated data.