solving multistep equations
Presentation
•
Mathematics
•
9th Grade
•
Easy
Standards-aligned
Regina Ortiz
Used 17+ times
FREE Resource
3 Slides • 9 Questions
1
By Alan Rabinowitz
2
FIND THE VARIABLE AND PLAN YOUR ATTACK
WHAT LETTER ARE YOU SOLVING FOR?
FOCUS ON THAT SIDE
HOW WILL YOU GET THE LETTER BY ITSELF?
WHAT WILL YOU DO FIRST?
Some text here about the topic of discussion
3
Poll
HOW CONFIDENT DO YOU FEEL ABOUT SOLVING FOR X?
3X+9=27
I DO NOT KNOW WHERE TO START
I THINK I CAN GET STARTED
I CN DO IT BUT AM NOT SURE OF MY ANSWER
I CAN DO THIS EASILY
4
Multiple Choice
3X-9=27
X=6
X=7
X=8
X=9
5
Poll
HOW CONFIDENT DO YOU FEEL ABOUT SOLVING FOR X?
3X+9=27
I DO NOT KNOW WHERE TO START
I THINK I CAN GET STARTED
I CN DO IT BUT AM NOT SURE OF MY ANSWER
I CAN DO THIS EASILY
6
Multiple Choice
HOW WOULD I SOLVE THESE EQUATIONS DIFFERENTLY?
4X+7=10 AND 4X-7=10
THE FIRST ONE YOU ADD SEVEN AND THE SECOND YOU SUBTRACT 7
THE FIRST YOU SUBTRACT 7 AND THE SECOND YOU ADD 7
THE FIRST YOU ADD 4 AND THE SECOND YOU SUBTRACT 4
THE FIRST YOU SUBTRACT 4 AND THE SECOND ADD 4
7
Multiple Choice
8
Multiple Choice
9
Multiple Choice
WHAT IS DIFFERENT WHEN WE SEE SOMETHING LIKE THIS?
2X + 3(4X-7)=29
WE WOULD DISTRIBUTE THE 3 THEN COMBINE LIKE TERMS
2+3 IS 5
THEN DISTRIBUTE
ADD 7 FROM BOTH SIDES
ADD 2X TO BOTH SIDES
10
Multiple Choice
2X + 3(4X-7) = 29
WHAT VALUE OF X MAKES THIS TRUE? (SOLVE FOR X)
X=25/7
X=4/7
X=-14
X=29/2
11
Multiple Choice
SOLVE FOR X
-3(4X-7) +3=96
X=6
X=10
X=-6
X=-10
12
THINGS THAT HELP US SOLVE
LOOK AT THE WHOLE PROBLEM AND SEE WHAT STANDS OUT
WRITE THE PROBLEM ON PAPER SO YOU CAN SEE IT
DECIDE WHERE YOU WANT TO START AND
TRUST YOURSELF.
Some text here about the topic of discussion
By Alan Rabinowitz
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