Identifying Independent and Dependent 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 = the number of costumes
• d = the number of dances

Tags

CCSS.6.EE.C.9

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 = the number of students
• t = the number of treats

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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 = The amount of money Sarah will raise
• d = the distance Sarah walks

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CCSS.6.EE.C.9

Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.

• How fast Hayden reacted
• different sounds
• types of music
• Hayden

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CCSS.6.EE.C.9

How does watching TV during studying affect a student’s test grades?

• independent
• dependent

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CCSS.6.EE.C.9

Do roses grow more in height in partial or direct sunlight?

• independent
• dependent

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CCSS.6.EE.C.9

Walker is testing which fertilizer will grow the tallest grass.  The height of the grown grass is the __ variable.

• constant (same)
• independent (changes)
• dependent (measured)

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 total amount of money Josie's quartet earns

Which of the variables is independent?

• r

• m

Tags

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 total amount of money Dalton earns

Which of the variables is dependent?

• h

• m

Tags

CCSS.6.EE.C.9

Paula streams movies through a company that charges her a $4 monthly fee plus $2.50 per movie What is the dependent variable?

• the number of movies she rents

• the company that she rents from

• the money it costs

• There isn't one

Tags

CCSS.6.EE.C.9