Board Practice II

BASIC SCIENCE JSS1 second term

Sub-Theme: Drawing practice

Theme Materials and processing


Board practice 2

Performance objectives

Students should be able to:

  1. Draw horizontal and vertical lines with tee-square and set-square
  2. Drawing border lines


Drawing horizontal lines with tee-square

All horizontal lines are drawn with the aid of the tee-square, usually from left to right, and rotating the pencil as the line is drawn. This ensures a uniform thickness of the line.

Drawing lines with set-square

The set-square is used sitting squarely on the tee-square to draw vertical lines. Angle lines, (inclined lines) are also drawn by the set-square turned in different directions depending on the desired angle.

The vertical strokes are made by finger movements and the horizontal strokes are made by pivoting.... View More

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