Solving Two-Step Equations Lesson
Presentation
•
Mathematics
•
7th - 9th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Anonymous Anonymous
Used 259+ times
FREE Resource
4 Slides • 9 Questions
1
By: J. Deberry
2
Integers Review!
Examples:
5 + (-12) =
9 - (-3) =
-4 x (-2) =
-12 / 4 =
3
Multiple Choice
Quick Check:
When you add numbers with DIFFERENT signs you....
Subtract, then take the sign of the BIGGER number
Add, then take the sign of the SMALLER number
Add normally
Do nothing
4
Multiple Select
Quick Check:
Same signs = POSITIVE answer
This is the rule for...
Adding integers
Subtracting integers
Multiplying integers
Dividing integers
5
Multiple Choice
Quick Check:
Choose the EQUIVALENT expression for 14 - 25
14 + 25
14 - (-25)
14 + (-25)
6
Solving Equations Check-list
The OPPOSITE of the Order of Operations
Ask yourself... "Do I see [operation]? If so, do the OPPOSITE!
You aren't finished unless you have a checkmark for all four operations!
7
Multiple Choice
Quick Check:
What comes first when solving the equation 5x + 3 = -7?
Divide by 5
Add 3
Subtract 3
Multiply by 5
8
Fill in the Blanks
Solve: 5x + 3 = -7
Type answer...
9
Multiple Choice
Quick Check:
What comes first when solving the equation x/6 - 4 = -10?
Add 4
Subtract 4
Divide by 6
Multiply by 6
10
Fill in the Blanks
Solve: x/6 - 4 = -10
Type answer...
11
How do I know if I'm correct?!
Remember substituting variables?
Whatever solution you find, plug it back into your equation.
If the sentence is TRUE, your answer is correct!
Example: Who is correct?
Sally says the solution to 6x + 3 = 27 is x=7
Sam says the solution to 6x + 3 = 27 is x=4
12
Multiple Choice
Quick Check:
-3x - 5 = -11
Solution: x = 2
True or False?
True
False
13
Poll
After working with solving equations and integers for the first week and today, how are you feeling about your progress?
I have NO CLUE what I'm doing
I'm getting better but need more help
It's so easy I can do this in my sleep!
By: J. Deberry
Show answer
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