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Geometry to the rescue. By watching a video, scholars see how geometric concepts help explain derivative formulas: areas of rectangles and volumes of rectangular prisms for the Power Rule and similarity and trig ratios for the Sine Rule.
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Instructional Ideas
- Have learners explain the derivatives of 1/x and sqrt(x) using geometry in a journal entry
Classroom Considerations
- Pupils should have some familiarity with derivatives
- Video builds on previous video
- Third installment of an 11-part series
- This video is hosted on YouTube
Pros
- Animations on graphs aid in visualizing the relationship between a function and its derivative
- Explanations are clear and illuminating
Cons
- None