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JSS3 Basic Technology

Scales and Scale Drawing

Overview

Use the metric rule to measure lengths and compare sizes; Explain scale drawings Identify scales used in drawings; Draw objects to given scales.

What you'll learn
  • Measuring and comparing given sizes.
  • Scale Drawing:
  • - full size, 1:1
  • - scale reduction e.g. 1:5, 1:10, 1:20, 1:100, etc.
  • - - scale enlargement e.g. 2:1, 3:1, etc.