Vocabulary
A type of ratio that compares two different quantities where the second quantity is one unit
unit rate
You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?
$8 per pound
Simplify the expression 12g + 9g
21g
What is the equation if you sell each video game for $55?
y = 55g
What is -10 + 7?
-3
When one ratio is the same as another ratio they have a
proportional relationship
A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?
15 customers per hour
Simplify the expression, 11x + 9 + 3
11x + 12
What is the equation if your esports tournament charges $10 per player and charges a $50 setup fee?
T = 10p + 50
What is (-15) times 5?
-75
a statement that two things are equal, shown with an equal sign (=)
An equation
Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?
$1.25 per pound
Simplify 6d + 2 - 4d
2d + 2
What is the equation for the total cost if you already spent $36 on ingredients and sell each cupcake for $3.
T = 3c - 36
What is (-4) minus (-10)
6
The process of adding or subtracting the coefficients of like terms to simplify an expression
Combine like terms
I paid $15.00 for 6 gallons of gasoline.
What was the price PER gallon?
$2.50
Simplify 8w - 6 - 5w + 4
3w - 2
What is the equation if Sandy bought a soft drink for 4 dollars and 7 candy bars and she spent a total of 18 dollars?
4d + 7c = 18
What is (-12) times (-5)
60
Two or more values, expressions, or sets represent the same quantity or have the same value, even if they look different
equivalent
Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?
The 12 pack of Coke
Simplify -12h + 15 - 4h - 20
-16h - 5
What is the equation if you spent a total of $180 for 5 admission tickets and for parking at a baseball game? The cost of each admission ticket was the same amount, including tax. The cost of parking was $20.
5t = 180 - 20
5t = 160
t = 32
If a hiker starts a −10 feet then increases altitude 10 feet, what will be the final altitude?
0