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Warm-up Date 09/15/09 Sec 1-3 Exploring Real Numbers List the set(s) of numbers to which each given number belongs. Natural #s, Whole #s, Integers, Rational #s. Irrational #s. Rational #s. Date 09/15/09 Sec 2-1 A dding Rational Numbers. Goal:. To Add Integers.
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Warm-up Date 09/15/09 Sec 1-3 Exploring Real Numbers List the set(s) of numbers to which each given number belongs. Natural #s, Whole #s, Integers, Rational #s Irrational #s Rational #s
Date 09/15/09 Sec 2-1 Adding Rational Numbers
Goal: To Add Integers.
…And Why To use integers to represent yards gained and lost in a football game, as in example 3
Key Concept: Arithmetic Algebra Addition of Opposites The sum of an integer and its opposite is zero.
Key Concept: Example: Example: Adding Integers If the signs are the same: Add the #s and keep the sign. If the signs are different: Subtract the #s and keep the sign of the bigger #.
Did we achieve our goal? To Add Integers.
On-Line Help Web Site: PHSchool.com Tutor Web Code: ate-0201 Lesson Quiz Code:ata-0201
Planner: • Write today’s goal. • Write today’s assignment.
Assignment: • Pg 60 6–26 e, 50–64 e, 68, 88–96 e • Reflective Journal