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CHAPTER Rational
CHAPTER
1 Numbers
1

What will you learn?
• Integers
• Basic Arithmetic Operations Involving Integers
• Positive and Negative Fractions
• Positive and Negative Decimals
• Rational Numbers

Why study this chapter?

Numbers play an
important role in business
and commerce, banking,
engineering and others. Discuss
the importance of numbers in
these fields.
The World Climate Summit in Paris in 2015
discussed the issue of global warming. Global
warming has caused the global average
temperature to rise and consequently the glaciers
in the North and South Poles have melted.
Today, the average temperature at the
North and South Poles is below 0°C.

2
Chapter 1

01 Intro TB Math F1.indd 2 10/20/16 11:38 AM