Dependent/Independent Variables

Paco's daughter will be participating in an upcoming dance recital. She will require a different costume for each dance she plans to performs.
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?

• c
• d

Tags

CCSS.HSA.CED.A.2

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

Tags

CCSS.6.EE.C.9

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

Tags

CCSS.6.EE.C.9

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
d = the distance Sarah walks
Which of the variables is dependent?

• m
• d

Tags

CCSS.6.EE.C.9

In order to earn extra money on the weekends, Josie's string quartet performs at wedding receptions. The longer the reception, the more money they earn.
r = the length of the reception
m = the amount of money Josie's quartet earns
Which of the variables is independent?

• r
• m

Tags

CCSS.6.EE.B.6

CCSS.6.EE.C.9

In order to earn extra spending money, Dalton babysits children after school. The greater the number of hours he babysits, the more money he earns.
h = the number of hours Dalton babysits
m = the amount of money Dalton earns
Which of the variables is dependent?

• h
• m

Tags

CCSS.6.EE.C.9

In the United States House of Representatives, the number of Representatives from a state is calculated based on its population.
r = the number of Representatives
p = the population of a state
Which of the variables is independent?

• r
• p

Tags

CCSS.6.EE.C.9

Tim got 3 pieces of candy for every house he trick or treated at.

c = candy
h = house

The dependent variable is:

• c = candy
• h = house

Tags

CCSS.6.EE.C.9

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Norman gets one treat every time he jumps.

t = treats
j = jumps

The independent variable is:

• t = treats
• j = jumps

Tags

CCSS.HSA.CED.A.2

Sophie earned $1 for every time 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

Tags

CCSS.HSA.SSE.A.1