Module 2 lesson 5
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Module 2 Lesson 5.notebook 1 November 04, 2013 Understanding Subtraction of Integers and Other Rational Numbers Do Now: Do Lesson 4 Exit Ticket 11/04/13 Module 2, Lesson 5 Homework: Lesson 5 Problem Set #1-4
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Transcript of Module 2 lesson 5
Module 2 Lesson 5.notebook
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November 04, 2013
Understanding Subtraction of Integers and
Other Rational Numbers
Do Now: Do Lesson 4 Exit Ticket
11/04/13Module 2, Lesson 5
Homework: Lesson 5 Problem Set #1-4
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Go over Exit Ticket 4
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Problem Set Solutions
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Sample: 10 -2 -5 -9
gain3
discard-2
3
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Sample: 10 3 -5 -9
gain3
discard-2
-6
gain-6
discard-9
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Sample: 10 3 -5 -6
gain3
discard-2
0
gain-6
discard-9
gain0
discard3
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Discussion: Making Connections to Integer Subtraction
1. How did selecting positive value cards change the value of your hand?
2. How did selecting negative value cards change the value of your hand?
3. How did discarding positive value cards change the value of your hand?
4. How did discarding negative value cards change the value of your hand?
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5. What operation reflects selecting a card?
6. What operation reflects discarding or removing a card?
7. Based on the game, can you make a prediction about what happens to the result when:a. Subtracting a positive integer.
b. Subtracting a negative integer.
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The Rule of Subtraction: Subtracting a number is the same
as adding its additive inverse (or opposite).
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What is the difference in their elevations?
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Closing:
Review your predictions made earlier in class. Were you correct? If not, how were your predictions different from the correct responses?
When playing the Integer Games, give two ways you can increase the value of your hand.
Give two ways you can decrease the value of your hand.
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