Determining Direct Variation

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 extension and differentiation. 

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CCSS: Adaptable
Instructional Ideas

  • Use as a discussion before teaching the lesson on direct variation
Classroom Considerations

  • Your class should be have prior knowledge on linear functions
Pros

  • Inquiry-based learning to discuss the direct variation formula
Cons

  • None
Common Core