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Direct Variation Instructional VideoDirect Variation Instructional Video
Publisher
Anywhere Math
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
6th - 9th
Subjects
Math
1 more...
Resource Type
Instructional Videos
Media Length
7:52
Audiences
For Teacher Use
1 more...
Duration
10 mins
Instructional Strategy
Direct Instruction
Technology
Video
Internet Access
Year
2014
Usage Permissions
Fine Print
Instructional Video

Direct Variation

Curated and Reviewed by Lesson Planet

You'll want to use the video directly, without waiting. Pupils learn how to identify whether a given relationship represents a direct variation by watching an engaging, informative video. They see how tables, graphs, and equations relate to proportional relationships and direct variation.

3 Views 6 Downloads
CCSS: Adaptable

Concepts

direct variation, slope, constant of proportionality

Additional Tags

math

Instructional Ideas

  • Have the class create additional problems for each other to solve

Classroom Considerations

  • Young mathematicians should be familiar with slope
  • Learners must be able to solve equations for y
  • This video is hosted on YouTube

Pros

  • Defines and explains basic concepts, so even beginners can understand the video
  • Includes additional practice problems

Cons

  • Lecture-type instruction may not be helpful for all scholars

Common Core

7.RP.A.2.a

See similar resources:

Lesson Plan

Determining Direct Variation

Virginia Department of Education
Once learners realize what direct variation is, they see it's just a type of linear function. The lesson poses a general question that leads to the creation of the y = kx formula. The resource includes discussion prompts and ideas for...
8th - 11th Math
CCSS: Adaptable
Instructional Video

Direct Variation 1

Khan Academy
This video solves a basic direct variation problem: the cost of buying gas for your car varies directly with the number of gallons you need to purchase. Sal shows how to write a direct variation equation based on this problem and solves...
4 mins 6th - 9th Math
Instructional Video

Direct Variation Equation (Example)

Mathispower4u
Directly, find a missing value. The video demonstrates how to find the fourth value in a direct variation relationship knowing three others. Scholars learn to find the constant of variation and use it to find a missing value.
2 mins 8th - 11th Math
CCSS: Adaptable
Instructional Video

Direct Variation Applications

Mathispower4u
What would I weigh there? A video uses the relationship of the weight of an astronaut on Earth and the moon to create a direction variation equation. Using the created equation, pupils find the weight of any astronaut on the moon.
4 mins 8th - 11th Math
CCSS: Adaptable
Instructional Video

How Do You Use the Formula for Direct Variation?

Curated OER
Use the formula for direct variation to solve for y, after finding the value of k. When you use the formula and determine the value of k and x, you can plug in those values to determine the value of y. A quick tutorial that takes you...
2 mins 8th - 9th Math
Instructional Video

How Do You Write an Equation for Direct Variation from a Table?

Curated OER
y=kx. This is the direct variation equation. You have been given a table of values. So look at the table and figure out how to use this equation to write an equation that represents what is happening in the table. Does the equation...
3 mins 8th - 11th Math
Instructional Video

How Do You Write an Equation for Direct Variation Given a Point?

Curated OER
This problem may sound a bit confusing, but the teacher does a great job explaining what direct variation is. So watch this video and learn about k. It is a pretty direct explanation.
2 mins 8th - 11th Math
Instructional Video

How Do You Solve a Word Problem Using the Direct Variation Formula?

Curated OER
Have your class figure out how much "Teddy" weighs on the moon and how to translate words into algebra! This video shows pupils how to take a word problem, and then solve it using the direct variation formula and given information. Great...
4 mins 6th - 12th Math
Instructional Video

How Do You Find the Constant of Variation from a Direct Variation Equation?

Curated OER
What is a constant variation? How can something change and be constant? Oh, the rate of change is constant. So if there are two variables that are directly proportional they can have a constant of variation? Yes! Still a bit confused?...
2 mins 8th - 11th Math
Instructional Video

How Do You Solve a Word Problem Using the Direct Variation Formula?

Curated OER
Have your class figure out how much "Teddy" weighs on the moon and how to translate words into algebra! This video shows pupils how to take a word problem, and then solve it using the direct variation formula and given information. Great...
3 mins 8th - 11th Math
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