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October 30, 2014
Rules for Adding Integers
10/30/14Module 2, Lesson 4
HW:
• Lesson 4 Problem Set• Integer Quiz Next Friday
Do Now:
Exit Ticket For Lesson 3
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Problem Set # 3 Answers S.16
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Problem Set # 3 AnswersS.17
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Problem Set # 3 Answers S.17
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S.18
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S.19
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S.20
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RULE: Add integers with the same sign
by adding the absolute values and
using the common sign.
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Positive Negative S.20
Negative Positive
Negative Negative
Positive Negative
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S.20
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S.21
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S.21
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RULE: Add integers with opposite signs
by subtracting the absolute values and
using the sign of the integer with the greater absolute value.
S.22
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Positive NegativeS.22
Positive Negative
Negative
Negative
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S.22
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S.23
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S.23
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Hands Up, Pair Up!
1.) Create an integer question based on Lessons 1 to 4 on your index card.
2.) Write the answer on the back.
3.) Trade with your partner and answer their question.
4.) Move with your card and quiz other students
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Closing:1.) What are the rules for adding numbers with opposite signs?2.) What is the sum of -3 + (-8)?3.) What do you think the rules would be for subtracting integers with the same signs?
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