Solving Two-Step Inequalities
Presentation
•
Mathematics
•
7th Grade
•
Easy
+4
Standards-aligned
Ashley Cajero
Used 37+ times
FREE Resource
7 Slides • 11 Questions
1
Solving Two step Inequalities
7.11B
2
Reminders:
Goal: Get the variable by itself
Start on the side with the variable
What you do to one side, do to the other!
3
Multiple Choice
A variable is represented as a....
Number
Letter
4
Multiple Choice
What does inequality mean?
equal
not equal
5
Multiple Choice
What is the coefficient?
Numbers that stand alone.
A letter (a-z) that represents an unknown number.
The number in front of the variable.
6
Multiple Choice
TRUE or FALSE: Inequalities contain equal signs.
TRUE
FALSE
7
Multiple Choice
What is the opposite of addition?
Subtraction
Multiplication
Division
8
Multiple Choice
What is the opposite of multiplication?
Addition
Subtraction
Division
9
Multiple Choice
What is the value of x?
x > 3
x ≤ ⅕
x ≥ 3
x ≤ ⅕
10
Process steps
Step 1: Add or Subtract like terms.
Step 2: Multiply or divide both sides by the coefficient. **If the number is negative flip the sign**
Step 3: Set the variable to the solution using the inequality symbol.
11
Process steps
Step 1: Add or Subtract like terms.
Step 2: Multiply or divide both sides by the coefficient. **If the number is negative flip the sign**
Step 3: Set the variable to the solution using the inequality symbol.
+ 10 +10
12
Process steps
Step 1: Add or Subtract like terms.
Step 2: Multiply or divide both sides by the coefficient. **If the number is negative flip the sign**
Step 3: Set the variable to the solution using the inequality symbol.
+ 10 +10
-4x </ 12
13
Process steps
Step 1: Add or Subtract like terms.
Step 2: Multiply or divide both sides by the coefficient. **If the number is negative flip the sign**
Step 3: Set the variable to the solution using the inequality symbol.
+ 10 +10
14
Process steps
Step 1: Add or Subtract like terms.
Step 2: Multiply or divide both sides by the coefficient. **If the number is negative flip the sign**
Step 3: Set the variable to the solution using the inequality symbol.
+ 10 +10
15
Multiple Choice
-3x ≥ 12
16
Multiple Choice
When solving the following inequality, what is the FIRST step you would do? -4x + 8 > -15
Add 8 to both sides of the inequality.
Divide by negative four on both sides of the inequality.
Subtract negative eight to both sides of the inequality.
Subtract eight to both sides of the inequality.
17
Multiple Choice
What is the solution set for
−8x+40>−16 ?
x>7
x<7
x>−3
x<−3
18
Poll
How do you feel about solving two-step equations?
I can TEACH someone
I understand
I almost got it
I don't get it
Solving Two step Inequalities
7.11B
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