Solving Two Step Equations
Presentation
•
Mathematics
•
7th Grade
•
Easy
+1
Standards-aligned
Kevvin Hankins
Used 310+ times
FREE Resource
10 Slides • 11 Questions
1
Solving Two Step Equations
by Kevvin Hankins
2
Solving Two-Step Equations
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Learning Objective
I can solve two-step equations in one variable.
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To solve, always do the opposite!
If you see addition... you need to subtract!
5
To solve, always do the opposite!
If you see subtraction... you need to add!
6
To solve, always do the opposite!
If you see multiplication, you need to divide!
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To solve, always do the opposite!
If you see division, you need to multiply!
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How to Solve
Get rid of the 3rd Wheel: Add or Subtract to get rid of the number
Break up the happy couple: Multiply or Divide both sides of the equation by the coefficient
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Multiple Choice
The goal of solving two-step equations is to:
francine
Find the coefficient
Find the value of the variable
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Poll
What is the first step in solving two step equations?
Break Up the Happy Couple: Multiply or Divide
Get rid of the 3rd wheel: Add or Subtract
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Multiple Choice
What is the first step in this equation?
3x + 5 = 20
Add 5 and 20
Subtract 5 from both sides of the equation
Add 3 and 5
Multiply 3 by 5
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Multiple Choice
After you subtract 5 from both sides of the equation (3x + 5 = 20) what will the equation look like?
3x = 25
3x = 20
3x = 3
3x = 15
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Multiple Choice
What is the next step in the equation?
3x = 15
Divide both sides by 3
Add 3 and 15
Subtract 3 and 15
Multiply 3 and 15
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Multiple Choice
What is the final answer?
45
18
5
12
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Open Ended
Take out scrap paper and solve: 4x + 6 = 18
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Open Ended
Take out scrap paper and solve: 5x + 3 = 23
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Open Ended
Take out scrap paper and solve: 6x - 5 = 13
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Open Ended
Take out scrap paper and solve: 7x - 4 = 24
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Open Ended
Take out scrap paper and solve: 9k - 8 = 10
Solving Two Step Equations
by Kevvin Hankins
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