The longest chord passes through the centre of the circle

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= Concept Map =

= Textbook = To add textbook links, please follow these instructions to: ([ Click to create the subpage])

=Additional Information=

Useful websites

 * 1) www.regentsprep.com conatins good objective problems on chords and secants
 * 2) www.mathwarehouse.com contains good content on circles for different classes
 * 3) staff.argyll contains good simulations

Reference Books
= Teaching Outlines =

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
10-15 minutes
 * Estimated Time
 * Materials/ Resources needed
 * 1) circular paper cuttings
 * 2) sketch pen
 * 3) note book
 * 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

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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= Math Fun =

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