Pre-Algebra Lesson 2-5

Pre-Algebra Lesson 2-5 - Subtracting Integers Objective:...

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Subtracting Integers Objective: Subtract integers
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5-Minute Check Solve for the unknown in each equation. 1. –4 + (-3) = a
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5-Minute Check Solve for the unknown in each equation. 1. –4 + (-3) = a a = -7
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5-Minute Check Solve for the unknown in each equation. 1. –4 + (-3) = a 2. b = 2 + (-6)
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5-Minute Check Solve for the unknown in each equation. 1. –4 + (-3) = a 2. b = 2 + (-6) b = -4
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5-Minute Check Solve for the unknown in each equation. 1. –4 + (-3) = a 2. b = 2 + (-6) 3. -1 + 4 + (-6) = c
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5-Minute Check Solve for the unknown in each equation. 1. –4 + (-3) = a 2. b = 2 + (-6) 3. -1 + 4 + (-6) = c c = -3
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5-Minute Check Simplify each expression. 4. 15x + (-22x) + 2x
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5-Minute Check Simplify each expression. 4. 15x + (-22x) + 2x -5x
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5-Minute Check Simplify each expression. 4. 15x + (-22x) + 2x 5. -2x + (-6x) + (-5x)
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5-Minute Check Simplify each expression. 4. 15x + (-22x) + 2x 5. -2x + (-6x) + (-5x) -13x
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Subtracting Integers Subtracting Integers To subtract an integer, add its additive inverse.
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Example Solve each equation. a.
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This note was uploaded on 12/01/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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Pre-Algebra Lesson 2-5 - Subtracting Integers Objective:...

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