For a complete lesson on direct variation, go to http://www.MathHelp.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn that if each y value in a function is the result of multiplying each x value by the same number, then the function is an example of direct variation. And the formula for direct variation is y = kx, where k represents the constant of variation. Students also learn that the formula for direct variation, y = kx, is a linear function, where the slope is equal to k, and the y-intercept is equal to 0. Students are then asked to determine if given graphs and tables of ordered pairs are examples of direct variation, as well as solve direct variation word problems.
Tagged under: Direct,Variation,Problems,Equations,Solve,Solving,How,Formula,Math
Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
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1. Students enter a simple code
2. You play the video
3. The students comment
4. You review and reflect
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With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.
Quickfire
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Team Up
Student teams can create and share collaborative presentations from linked devices
Clip
Turn any public video into a live chat with questions and quizzes
Kathryn Laster
- GaFE Certified Trainer
@kklaster
Tried out the canvas response option on @SpiralEducation & it's so awesome! Add text or drawings AND annotate an image! #R10tech
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@3rdgradeBCE
Using @SpiralEducation in class for math review. Student approved! Thumbs up! Thanks.
Miss Ord
@ordmiss
Absolutely amazing collaboration from year 10 today. 100% engagement and constant smiles from all #lovetsla #spiral
Adam J. Stryker
@strykerstennis
Students show better Interpersonal Writing skills than Speaking via @SpiralEducation Great #data #langchat folks!
Dr Ayla Göl
@iladylayla
A good tool for supporting active #learning.
Brett Erenberg
@BrettErenberg
The Team Up app is unlike anything I have ever seen. You left NOTHING out! So impressed!