This unit explains the steps we can take in order
represent whole, rational and irrational numbers on a straight line.The first part of the unit is similar to one we saw
previously, which explains how whole numbers are represented on a
straight line. The second part shows the geometric process we need to
follow in order to represent rational numbers graphically. Finally,
the third part illustrates a method which can be used to represent
some irrational numbers.
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