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Concept #1 construction of chords

Learning objectives

The students should be able to:

  • Recall the meaning of circle.
  • Define chord.
  • State Properties of chord.
  • Construct chord of given size.

Notes for teachers

The teacher should clarify the meaning of chord and circle to the students

Activity No 1 Construction of chord

  • Estimated Time

10-15 minutes

  • Materials/ Resources needed
  1. circular paper cuttings
  2. sketch pen
  3. note book
  4. pen
  • Prerequisites/Instructions, if any
  1. Meaning of chord.
  2. Meaning of circle.
  3. Meaning of circumference
  • Multimedia resources
  • Website interactives/ links/ / Geogebra Applets
  • Process/ Developmental Questions
  1. what is a chord?
  2. The folded line connected from where to where?
  3. How many chords can be drawn in a circle?
  • Evaluation
  1. was the effect of chord in a circle?
  2. Was the student able to give the meaning of chord?
  • Question Corner
  1. how many chords can be drawn in a circle?
  2. What happens to the size of the chord if it moves away from the centre?
  3. If the chord pass through the centre of the circle what it are the properties of that chord?

Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Website interactives/ links/ / Geogebra Applets
  • Process/ Developmental Questions
  • Evaluation
  • Question Corner

Concept #

Learning objectives

Notes for teachers

Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Website interactives/ links/ / Geogebra Applets
  • Process/ Developmental Questions
  • Evaluation
  • Question Corner

Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Website interactives/ links/ / Geogebra Applets
  • Process/ Developmental Questions
  • Evaluation
  • Question Corner


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