Instructional Video

Math with Jake: Transposition Using Ratios

Curated and Reviewed by Lesson Planet
This Math with Jake: Transposition Using Ratios instructional video also includes:

The star of the show is ratios. The informative resource explains how to transpose music using ratios. Individuals transpose the song "Twinkle, Twinkle" in the activity by applying their ratio skills. The activity challenges class members to transpose the song up and down to different keys.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Invite the music teacher to come talk about changing keys
  • Provide a mini-lesson about frequencies measured in Hertz
Classroom Considerations
  • Pupils should be comfortable multiplying decimals
  • One part of the Math at the Core: Ratios playlist
Pros
  • Provides an answer key showing the transposed frequencies
  • Includes a table that associates frequencies with musical notes
Cons
  • None