Independent & Dependent Variables
Presentation
•
Mathematics
•
6th - 8th Grade
•
Medium
Standards-aligned
Amber Elsner
Used 366+ times
FREE Resource
4 Slides • 11 Questions
1
Independent & Dependent Variables
2
Dependent Variable
Depends on the value of some other number
It is a value that is being changed
Dependent variable is the OUTPUT value
Represented by the variable, y
3
Independent variable
A variable that represents a quantity that is being manipulated and influences the other
Independent variable is the INPUT value
Represented by the variable, x
Example: any category with time like minutes, hours, days, weeks...
is independent
4
Multiple Choice
The number of people at a party.
Dependent
Independent
5
Multiple Choice
The amount of money you can earn at the bake sale.
Dependent
Independent
6
Multiple Choice
The number of hotel rooms needed for the band
Dependent
Independent
7
Multiple Choice
The number of band members on tour.
Dependent
Independent
8
Multiple Choice
The number of cookies baked.
Dependent
Independent
9
Multiple Choice
The number of pieces of cake you need at a party.
Dependent
Independent
10
Example
Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks.
m = the amount of money Sarah will raise (DEPENDENT)
d = the distance Sarah walks (INDEPENDENT)
11
Multiple Choice
Sophie earned $1 for every she got an A on her report card.
m = money
A = A on report card
The dependent variable is:
m = money
A = A on report card
12
Multiple Choice
A movie ticket is $8.50 per person. What is the independent variable?
Cost
Number of people
Tie
Cinema
13
Multiple Choice
Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library.
m = the amount of money Carey and Justin raise
b = the number of books Carey and Justin will be able to purchase
Which of the variables is dependent?
m
b
14
Multiple Choice
Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.
t = the number of treats
s = the number of students
Which of the variables is independent?
s
t
15
Multiple Choice
Time is ALWAYS...
Independent
Dependent
Money
Not a variable
Independent & Dependent Variables
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