Sixth Grade Math Independent Dependent Variables

Dan is wrapping gifts to earn money for camp. He calculates the amount of wrapping paper he needs based on the number of gifts.

r = the number of rolls of wrapping paper

g = the number of gifts

• g is the independent variable and r is the dependent variable

• r is the independent variable and g is the dependent variable

Kimi is making a scrapbook. As she adds more photos, the scrapbook grows thicker.
p = the number of photos added
t = the thickness of the scrapbook

• t is the independent variable and p is the dependent variable

• p is the independent variable and t is the dependent variable

Allen is buying birthday candles for his grandmother's birthday cake. Her age, in years, will determine how many boxes of candles Allen will purchase. y = Allen's grandmother's age, in years b = how many boxes of candles Allen will purchase.

• b is the independent variable and y is the dependent variable

• y is the independent variable and b is the dependent variable

Sophie 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

Mallory 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

Jimmy earned $8 for every pizza he delivers.

m = money (dollars)

p = number of pizzas delivered

The dependent variable is:

• m = money

• p = number of pizzas delivered

Kaden gets one sticker for every paper he completes.

s = stickers earned

p = papers completed

The independent variable is:

• s = stickers earned

• p = papers completed

Mr. Hays is planning an experiment to find out how the height from which he drops a ball affects 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

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

• dependent

• independent

What makes up an ordered pair?

• Two random numbers

• An x-value and a y-value

• Two pears

• Two lines