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
A case of 12 boxes of macaroni and cheese can be purchased for $18.00. How much is each box of macaroni and cheese?
$1.50
Combine like terms
15j + 5j - 7j
What is:
13j
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
In gym class students were asked to form nine equal groups. If there were 16 students in each group, then how many total students were there?
144 students
Combine like terms
12y + 5 - 2y + 3
What is:
10y + 8
Solving Equations
Solve for x.
-5x = 25
What is:
x = -5
Write an inequality
s is at most 55
s <= 55
We use a closed circle to represent the inequalities < and > ?
False
Miles can type 60 words per minute. Let w represent the total number of words Miles can type and m represent the number of minutes he types. Write an equation that best represents this.
60m = w
Simplify.
5(x + 4) +3x
What is:
8x +20
Solve for v.
v + 14 = 30
v = 16
Write an Inequality
j is below 8
j < 8
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
Madeline must earn at least 80 points for her science fair project. So far on the rubric she has 64 points. Write and solve an inequality to show how many points Madeline needs.
x ≥ 16
Fill in the blank:
3x * 6 = 6 * ( )
What is:
3x
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.
TRUE
Jaxon must sell at least 49 rolls of wrapping paper to support the robotics club fundraiser. He has already sold 24 rolls of wrapping paper. Write an inequality that best represents the number of rolls of wrapping paper Jaxon still needs to sell?
x + 24 ≥ 49