The document is notes from a math lesson on multiplying integers. It includes examples of multiplying integers with the same sign and opposite signs. The lesson notes show that multiplying integers with the same sign results in a positive product, while multiplying integers with opposite signs results in a negative product. The document also contains homework answers and problems for understanding multiplication of integers.

1. Module 2 Lesson 10.notebook
11/14/13
November 14, 2013
Module 2, Lesson 10
HW: Lesson 10 Problem
Set
Understanding
Multiplication of Integers
Do Now:
Exit Ticket For Lesson 9
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2. Module 2 Lesson 10.notebook
November 14, 2013
-9.5 + 8 + (-6.5)
-9.5 + (-6.5) + 8
-16 + 8 = -8
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3. Module 2 Lesson 10.notebook
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4. Module 2 Lesson 10.notebook
November 14, 2013
Homework Answers
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5. Module 2 Lesson 10.notebook
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6. Module 2 Lesson 10.notebook
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-2
-5
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7. Module 2 Lesson 10.notebook
-1
5
-3
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4
4 + 4 + 4 + 4 + 4
5(4) = 4+ 4 +4 +4 +4
20
5(4) = 20
repeated addition of positive
repeated addition of negatives :
decrease
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8. Module 2 Lesson 10.notebook
November 14, 2013
­3(4) = ­12
3(­4) = ­12
­3(4) = 3(­4)
When multiplying integers with opposite
signs the product is negative
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9. Module 2 Lesson 10.notebook
November 14, 2013
­4(­2) = 8
4(2) = 8
­4(­2) = 4(2)
If they have the same sign the answer is
positive
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10. Module 2 Lesson 10.notebook
November 14, 2013
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11. Module 2 Lesson 10.notebook
November 14, 2013
CLOSING:
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13. Module 2 Lesson 10.notebook
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