Math Independent vs. Dependent

• the independent variable is distance
• the independent variable is d=25 t
• the dependent variable is time
• the dependent variable is distance

Which event is not a dependent event?

• Picking 2 students to be the line leader and the door holder from a group of 20 students

• Picking 2 marbles from a bag without replacing the first marble

• Picking 2 crayons from a box without putting any back

• Picking an earring, replacing it, then picking a 2nd earring

What is the independent variable?

Your test score depends on the time you spend studying.

• Time spent studying

• Test score

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

The independent variable is:

• s = stickers earned

• p = papers completed

A(n) _____________ variable depends on or is changed by another variable.

• dependent

• independent

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

The height from which you drop a ball determines how high the ball bounces.

The dependent variable is the _____.

• Diameter of the ball

• Force acting on the ball

• Height that the ball bounces

• Height from which the ball is dropped

Grace is bringing treats to her Algebra 1 class on her birthday. The number of treats she brings is based on the number of students in her class. Which of the variables is independent?

• number of students

• number of treats

Which label best describes the independent quantities shown in the table?

• Number of tickets (t)

• Cost (c)