Measuring and Marking Out · JHS2 Career Technology

Lesson notes

Learning Objectives

Indicator: B8.3.1.1.4 - Demonstrate how to care for and maintain measuring and marking out tools used for production

By the end of the lesson, learners can:

Explain why measuring and marking out tools need regular care and maintenance, giving at least two reasons related to accuracy and tool lifespan.
Identify at least three cleaning agents or materials used to clean measuring and marking out tools and match them to the material the tool is made from (e.g., Brasso for brass, oil for steel).
Demonstrate the correct procedure for cleaning, oiling, and storing a measuring or marking out tool in a step-by-step sequence.
Share personal experiences from home about how tools or equipment are cared for, and connect these to workshop practices.
Assess whether a given tool care practice is correct or incorrect and justify their answer.

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Curriculum details

Strand: Tools, Equipment and Processes (Strand 3)
Sub-strand: Measuring and Marking Out (3.1)
Content standard: B8.3.1.1 - Demonstrate understanding of measuring and marking out tools and equipment for production
Indicator: B8.3.1.1.4 - Demonstrate how to care for and maintain measuring and marking out tools used for production
Suggested placement: Term 1, Week 11 (Week 11 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: Career Technology, Common Core Programme (JHS1-JHS3), 2023, p. 54
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Share experiences from home on how to care for tools and equipment for production.
2. Identify cleaning agents/materials used to clean and maintain tools and equipment based on the respective material used in making the tool.
E.g., Silvo for cleaning silver, Brasso for cleaning brass, oil to avoid rust, cloth for cleaning and dusting.
3. Demonstrate how to clean measuring and marking out tools and equipment according to the materials used in making them.