2.1/2.2 Solve One-and Two-Step Equations
Presentation
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Mathematics
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9th Grade
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Practice Problem
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Medium
Standards-aligned
Steve Dull
Used 15+ times
FREE Resource
9 Slides • 6 Questions
1
2.1- Solve One-Step Equations
2.2- Solve Two-Step Equations
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Objectives
To solve one-step equations in one variable
To solve two-step equations in one variable
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Subtraction Property of Equality
Addition Property of Equality
Properties of Equality
4
Division Property of Equality
Multiplication Property of Equality
Properties of Equality
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Multiple Choice
What is your first step to solve x−3=2?
Subtract 3 from both sides
Add 3 to both sides
Multiply both sides by 3
Divide both sides by 3
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Open Ended
Solve x+20=12 for x.
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Multiple Choice
What is the reciprocal of 52?
2
5
25
−25
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Open Ended
Solve for d:
52d=15
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Solving two-step equations:
Save the variable term for last
It's a little like doing PEMDAS in reverse. First undo the addition or subtraction, then undo the multiplication or division.
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Example
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Example
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What if there's two terms in the numerator?
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Multiple Choice
Solve for x:
15=2x+5
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5
25
10
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Poll
Select the image that best represents how you feel about your skills at solving one- and two-step equations:
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For the rest of your points today:
Complete the remaining exercises on the notes handout
2.1- Solve One-Step Equations
2.2- Solve Two-Step Equations
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