Simplify Expressions
Distribute
3(4x + 2)
What is:
12x + 6
Solving Equations
Solve for x.
x + 3 = 7
What is:
x = 4
Solving Inequalities
Solve for c.
c - 11 > 22
What is:
c < 33
We use inverse operations to solve equations and inequalities.
True
Our school principal and dean of students
Who is Mrs. Canfield and Mrs. Whaley
Combine like terms
3x + 2(5x - 7)
What is:
13x - 14
Solving Equations
Solve for x.
2x = 8
What is:
x = 4
What are two possible solutions for x?
2x < 4
x: 0,1
Addition is the inverse of division.
False
Where did Mrs. Mellenthin go to college? Undergrad or graduate school is acceptable.
University of Wisconsin AND Oregon State University
Combine like terms
7x -2(3x + 1) -9
What is:
x - 11
Solving Equations
Solve for x.
−15 + x = −9
What is:
x = 6
Write an inequality
S is at most 55
s <= 55
We use a closed circle to represent the inequalities < and >
False
DAILY DOUBLE
What is 24% of 200?
Distribute, Then Combine like Terms
6(-5x + 1) -3(4x - 12)
What is:
-42x + 42
Solve for v.
m − 9 = −13
m = -4
Write an Inequality
Brianna, who is not yet 21 years old, is 2 years older than Lily.
x + 2 < 21
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
Pi is used to find the circumference and area of circles.
Is 3x + 6 equivalent to 3(x+2)?
What is yes - just distribute
Modeling Equations
Create an equation that represents the following expression and then solve it.
Harvey's age doubled, is 6
2a = 6
a = 3
Modeling and Solving Inequalities
Create an inequality to represent the scenario and solve the inequality
Julie earns $7 for each car she washes. This week, she wants to save more than $56. How many cars must she wash?
What is:
7c > 56
Given c + 4 > 14
We use the inverse operation of subtraction to solve the inequality.
FALSE
What is the difference between an equation and an inequality?
An equation has an equal sign and an inequality has an inequality symbol.