Lesson 4 The Opposite of a Number.notebook
January 09, 2014
Jan 9­9:09 AM
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Lesson 4 The Opposite of a Number.notebook
January 09, 2014
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Lesson 4 The Opposite of a Number.notebook
­100
32
25
west
January 09, 2014
zero represents sea level
zero represents zero degrees
zero represents no change
east
The pet stores are the same distance from Maria, who is at the bookstore. They are each
7 blocks away, but in opposite directions.
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Lesson 4 The Opposite of a Number.notebook
January 09, 2014
zero represents no change in the balance
$15 debit
$15 credit
zero represents 0°C
20 degrees
20 degrees above zero
below zero
5 protons:
5
3 electrons: ­3
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Lesson 4 The Opposite of a Number.notebook
January 09, 2014
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