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1.3 Positive and Negative Fractions
LEARNING
STANDARDS
How do you represent positive and negative Represent positive and
CHAPTER
1 fractions on a number line? negative fractions on
number lines.
6 Classroom
Flip
Aim: To explore the representation of positive and negative fractions on a number
line.
Instruction: • Explore by yourself before the lesson begins and discuss in groups
of four during the lesson.
• Open the folder downloaded from page vii.
1. Open the file Fraction number line.ggb using GeoGebra.
2. Click and drag the slider
‘Numerator’ and ‘Denominator’
to define a fraction.
3. Click at the button ‘Change sign’
to interchange between positive
and negative.
4. Observe the position of the
fraction defined on the number
line.
5. Discuss the methods used to
determine the position of a
fraction on a number line.
Representation of fractions on a number line is the same as that of integers. Positive
fractions are fractions more than zero whereas negative fractions are fractions less
than zero.
–1 1 means1 1 less than 0 1 1 2 means1 1 2 more than 0
2
2
– 1 2 means 1 less than 0 1 means 1 2 more than 0
2
2
–2 –1 1 –1 – 1 0 1 2 1 1 1 2
2
2
2
14
Chapter 1
01 TB Math F1.indd 14 10/20/16 11:55 AM