Opposites & Absolute Values
October 04, 2016
Vocabulary
opposites - Two numbers whose sum is 0. For example, -3
and 3 are opposites. On a number line, opposites
are the same distance from 0 but in different
directions from 0.
absolute value - The absolute value of a number is its
distance from 0 on the number line.
Numbers that are the same distance from 0
have the same absolute value.
rational numbers - Zero, whole numbers, fractions, and
their opposites are rational numbers.
Opposites & Absolute Values
October 04, 2016
Opposites & Absolute Values
Definition
Examples
October 04, 2016
Characteristics
Absolute
Value
Non-Example
Opposites & Absolute Values
October 04, 2016
1. What numbers have an absolute value of
2.5? 2.5 and -2.5
2. Sam says that every number is greater than
its opposite. Do you agree? Explain. No - if the
number is negative, its opposite is positive and
larger.
Opposites & Absolute Values
October 04, 2016
Comparing Bits & Pieces
Investigation #3 Quiz
Thursday!