Algebra I – Chapter 2

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Algebra I – Chapter 2. Integers and Properties. Integer Rules. Adding: Different signs : Find the difference and keep the sign of the larger number Ex: (-3) + (6) = (3) Same signs : Add and keep the signs Ex: (-3) + (-6) = (-9). Integer Rules. Subtracting: Add the Opposite.

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Algebra I – Chapter 2

Integers and Properties

Integer Rules
• Different signs: Find the difference and keep the sign of the larger number
• Ex: (-3) + (6) = (3)
• Same signs: Add and keep the signs
• Ex: (-3) + (-6) = (-9)
Integer Rules
• Subtracting:
Integer Rules
• Multiplying and Dividing:
• Different Signs:The answer is negative
• Ex: (-6)(3) = (-18)
• Same Sign: The answer is positive
• Ex: (-4)(-5) = 20
Reflection:
• What will the answer be when you multiply two numbers with the same signs?
• What about when you divide two numbers with different signs?
• When can associative property work?

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