Oct 26 Independent vs Dependent

What is the independent variable?

Your test score depends on the time you spend studying.

• Time spent studying

• Test score

What is the dependent variable?

The amount of donuts you need to order depends on the number of students in your class.

• The amount of donuts to order

• The number of students in the class

The independent variable is a variable whose value changes based on the value of another variable.

• True

• False

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

Sophie earned $5 for every A she got on her report card.

m = money

A = A on report card

The dependent variable is:

• m = money

• A = A on report card

Emma gets one sticker for every paper she completes.

s = stickers earned

p = papers completed

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

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

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