One FULL LESSON on the cosine rule.
Dependent on ability, this lesson could be split into two full lessons.
Contents of download:
- Clicker version: Normal PowerPoint lesson with which you can use a clicker / mouse / keyboard to continue animations and show solutions.
- Worksheets (including example and extension).
We are learning about: The Cosine Rule
We are learning to: Use the cosine rule to solve problems in triangles.
Differentiated objectives:
- Developing learners will be able to find the length of a missing side of a triangle using the cosine rule.
- Secure learners will be able to find a missing angle in a triangle using the cosine rule.
- Excelling learners will be able to solve unfamiliar problems using the cosine rule.
Main: Derivation of the formula followed by walkthrough examples and practice questions on worksheets. Starts with basic calculating a missing side, moving to finding a missing angle. All solutions given on PPT.
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Excellent resource! Is a similar one coming out from CP3 on the Sine Rule? Please?
Excellent examples to work through and plenty of questions to support. Excellent resources as always. Thank you!
If I ever need a lesson and don't have enough time to put one together myself, cparkinson3's page is always the first place I look! Excellent as always, thank you.
This is one of the BEST resources I have ever seen!! Fantastic work!! Thanks for sharing.
Amazing
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