pptx, 637.36 KB
pptx, 637.36 KB
pdf, 37.22 KB
pdf, 37.22 KB
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pdf, 34.83 KB
pdf, 29.62 KB
pdf, 29.62 KB
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pdf, 29.12 KB

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.

Creative Commons "Sharealike"

Reviews

5

Something went wrong, please try again later.

jdkeffer

a year ago
5

Excellent resource! Is a similar one coming out from CP3 on the Sine Rule? Please?

MissTwaites

3 years ago
5

Excellent examples to work through and plenty of questions to support. Excellent resources as always. Thank you!

Cherbing

4 years ago
5

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.

Masterjee

5 years ago
5

This is one of the BEST resources I have ever seen!! Fantastic work!! Thanks for sharing.

aalfiee

5 years ago
5

Amazing

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