5. Lines and Angles Talk About Lines


Have a look at the photograph of a railway track. Can you fi nd an example of each of these lines?


Horizontal line


Vertical line


Oblique line


Parallel lines


Perpendicular lines


1. Draw your own picture to illustrate these lines. Make sure to include them all.


2. Can you make up your own defi nitions for these lines? a) Parallel lines are lines that ... b) Perpendicular lines are lines that ...


Investigate drawing parallel and perpendicular lines using a ruler and a set square.


Look around the classroom and write down 6 examples of each type of line. Try to fi nd unusual ones that others may not see, such as under your chair.


How would you check to see if the lines of your table or the whiteboard were level? Think of a few different things you could use to do this.


Strand: Shape and Space


Curriculum Objectives: Recognise, classify and describe angles and relate angles to shape and the environment; recognise angles in terms of a rotation; estimate, measure and construct angles in degrees; explore the sum of the angles in a triangle.


35


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