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Warm-up Date 09/14/09 Sec1-2 Order of Operations. Simplify each expression. 2) 3) 4). Date 09/14/09 Sec 1-3 Exploring Real Numbers. Goal:. To classify numbers To compare numbers.
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Warm-up Date 09/14/09 Sec1-2 Order of Operations • Simplify each expression. • 2) • 3) 4)
Date 09/14/09 Sec 1-3 Exploring Real Numbers
Goal: • To classify numbers • To compare numbers
... And Why To determine which set of numbers are appropriate for real-world situations, as in Example 2.
Key Words: Natural #’s: 1, 2, 3, 4, 5, … Whole #’s: 0, 1, 2, 3, 4, … Integers: …-2, -1, 0, 1, 2, … Rational #: Any # that can be written in fraction form, in decimal form they are either terminating, 6.27, or repeating, 8.222…
Key Words: Irrational #: Any number that can not be written in fraction form. Example: Inequality:
Key Words: Opposite: Two #s that are the same distance from 0 on a # line but lie in the opposite direction. Example: Absolute Value: The distance that a # is from 0 on a # line. Example:
Name the set(s) of numbers to which each given # belongs. Integer , Rational # Rational # Rational # , Integer , Whole # Natural # Rational #
Did we achieve our goal? • To classify numbers • To compare numbers
On-LineHelp Web Site: PHSchool.com Tutor Web Code: ate-0103 Lesson Quiz Code:ata-0103
Planner: • Write today’s goal. • Write today’s assignment.
Assignment: • Pg 20 2-18 e, 24-62 e, and 84-88 e, extra credit #90 • Reflective Journal