
Solving Equations- Where's My Mistake?
Presentation
•
Mathematics
•
9th - 11th Grade
•
Medium
Standards-aligned
Elizabeth Alexander
Used 21+ times
FREE Resource
6 Slides • 10 Questions
1
Solving Equations- Where's My Mistake?
2
Poll
Rate your confidence on solving equations from 1-5: 1 I'd leave them blank on a test, 5 I don't make mistakes on these problems.
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Today we're going to review some solving equations and search for commonly made errors... Do you make these same mistakes?
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Open Ended
2(x−4)−3(x+6)=5x+6−2x
Solve the above equation. Type your answer and submit when you finish.
5
Multiple Choice
In what line is the mistake?
(Distributing)
(Combining Like Terms)
(Subtracting 3x)
(Adding 26)
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Open Ended
3(x+5)−2(x−4)=x−8+6x
Solve the above equation. Type your answer and submit when you finish.
8
Multiple Choice
In what line is the mistake?
(Distributing)
(combining Like terms)
(Subtracting X)
(Adding 8)
(Dividing to get x-alone)
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10
Open Ended
4−3x+10=2(x−1)+3
Solve the above equation. Type your answer and submit when you finish.
11
Multiple Choice
In what line is the mistake?
(Distributing)
(combining Like terms)
(Adding 5)
(Adding 3x)
(Dividing to get x-alone)
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Open Ended
5x+3−2(x+3)=6−x+5
Solve the above equation. Type your answer and submit when you finish.
14
Multiple Choice
In what line is the mistake?
(Distributing)
(combining Like terms)
(Adding x)
(Adding 3)
(Dividing to get x-alone)
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Poll
Out of the mistakes we talked about today, which one (or ones) do you feel you most often make?
Distribution/Getting rid of parentheses
Combining Like Terms/Simplifying
Keeping track of my negative numbers
Dividing the right order (top divide bottom, not reverse)
Other mistakes we didn't talk about
Solving Equations- Where's My Mistake?
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