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MEP Jamaica: STRAND I
UNIT 32 Angles, Circles and Tangents: Lesson Plans
STRAND I: Geometry and Trigonometry
UNIT 32: Angles, Circles and Tangents
Lesson 32.4 Circles and Tangents
CSEC Objective: angle geometry
Lessons Aims:
After this lesson, the student should be able to:
i)
understand and use the alternate segments theorem and the
length formula for interesting chords.
Prerequisite Knowledge: Previous angle geometry results
Key Vocabulary:
alternate segment, intersecting chords
Challenges:
This section contains many results: less able students will need
two lessons on these topics.
Teaching Notes:
Ensure that students understand and appreciate the concepts and
results.
PowerPoints:
PP32.4
Lesson Plans:
Review homework
Circles and tangents: results
Worked example
Exercises
Review answers
Worked example
Exercises
Review answers
Closing activity
Homework
Relevant CSEC Questions:
Glossary of Terms:
 CIMT and e-Learning Jamaica
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DS 32.8 and DS 32.9 or ST 32.4
DS 32.10 or ST32.4, WE1 or WE2
ST 32.4, Q1
DS 32.11 or ST 32.4, WE3
ST32.4, Q2
ST 32.4, Q5
ST 32.4, Q6 and Q7
RT Q6, Q9, Q11