Independent and Dependent Variables in Real World Math

A vacationer has $300 to spend over the next 20 days. The first two days, she spends $20 on food each day. She visits with a family member for the next four days and does not spend any money. She then spends $20 on transportation on each of the remaining days until she spends all of her money. The independent variable in this scenario is (a)  

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

A vacationer has $300 to spend over the next 20 days. The first two days, she spends $20 on food each day. She visits with a family member for the next four days and does not spend any money. She then spends $20 on transportation on each of the remaining days until she spends all of her money. The dependent variable in this scenario is (a)  

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

A city discovers that its population has been tripling every year. The independent variable in this scenario is (a)  

Tags

CCSS.HSF.LE.A.2

A city discovers that its population has been tripling every year. The dependent variable in this scenario is (a)  

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

Tags

CCSS.6.EE.C.9

Identify the independent variable

The number of hours, h, worked and the amount of money, m, earned

• hours, h

• money, m

Tags

CCSS.6.EE.C.9

Identify the independent variable

The pages p, in a book and the weight, w, of the book

• p

• w

Tags

CCSS.6.EE.C.9

Identify the independent variable

The number of hamburgers, h, sold and the dollar amount of sales, s taken in

• h

• s

Tags

CCSS.6.EE.C.9

The number of oranges in a bag and the cost of the bag of oranges are related. What is the independent variable in this relationship?

• The number of oranges in the bag

• The cost of the bag

Tags

CCSS.6.EE.C.9