Math Independent and Dependent Variables
Presentation
•
Mathematics
•
6th Grade
•
Hard
Joseph Anderson
FREE Resource
4 Slides • 17 Questions
1
Mrs. Nickodemus
2
Understand what the independent and dependent variables are and how to tell them apart
Why? Because this helps you solve word problems and understand how to write expressions
3
Open Ended
What are things in life that change and you have no control over them?
4
x
If you change a number in a problem and it changes the end result, that's the independent variable.
A car accelerates on the interstate and travels 30 miles. The car accelerating is the INDEPENDENT variable because it affects how quickly 30 miles is covered, or how far the car goes, and so on.
5
Open Ended
What are things in life that YOU can change?
6
y
The part of the problem that is affected by a change
For every student we have in class, we need a desk. Desk is the dependent variable because the number of desks in a classroom depends on the number of students (in this example)
7
Multiple Choice
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?
8
Multiple Choice
9
Multiple Choice
10
Multiple Choice
11
Multiple Choice
12
Multiple Choice
13
Multiple Choice
14
Multiple Choice
15
Multiple Choice
A food service worker earns $12 per hour. If the wages earned depends on the number of hours worked, identify the dependent variable.
wages earned
number of hours
16
Multiple Choice
In the United States House of Representatives, the number of representatives from a state depends on the population.
Which of the variables is independent?
number of U.S. Representatives
population
17
Multiple Choice
In order to earn extra spending money, Delaney babysits children after school. The greater the number of hours she babysits, the more money she earns.
Which of the variables is dependent?
number of hours worked
money earned
18
Multiple Choice
Sarah is participating in a walk-a-thon to raise money for local reading programs. The amount of money Sarah will raise depends on the distance she walks.
Which of the variables is dependent?
amount of money raised
distance walked
19
Multiple Choice
Carey and Justin are raising money to purchase books for the library. The more money they raise, the more books they will be able to purchase for the library.
Which of the variables is dependent?
amount of money raised
number of books purchased after raising the money
20
Multiple Choice
Sarah is bringing treats to her elementary school 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
21
Open Ended
What is an independent variable? What is a dependent variable?
Mrs. Nickodemus
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