TNSB - 8 - Maths :: Geometry term 3
Go To: TNSB-Mathematics-Grade 8
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[Contributor - Preethi Saravanakumar]
Objective: To teach students about Practical Geometry, concurrency in triangles and some properties of them
Subtopics to be covered:
- Concurrency in Triangle (Centroid, Orthocentre, Incentre, Angle bisector, Circumcentre and perpendicular bisector)
- Pythagoras Theorem (Pythagorean Triplets)
- Circles (Chord, Diameter, Secant of a Circle, Tangent, Arc of a Circle, Segment of a Circle, Sector of a Circle)
Learning Outcome:
- Students understand all the definitions/ concepts of Geometry and are able to apply the Pythagoras Theorem.
[Contributor - Kripa S]
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-III-MSSS-TM-1.pdf#page=56 (Tamil Medium)
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-III-MSSS-EM-1.pdf#page=51 (English medium)
[Contributor - Kripa S]
https://s3-ap-southeast-1.amazonaws.com/learnhive/lcards/Types-of-Triangles-521dd275368b9.png (types of triangles)
http://s3-ap-southeast-1.amazonaws.com/subscriber.images/maths/2016/06/22114543/ALTITUDE.png (Altitudes of a triangle)
http://s3-ap-southeast-1.amazonaws.com/subscriber.images/maths/2016/06/22114547/Triangle.Centroid.Median.png (Medians of a triangle)
https://www.mathsisfun.com/geometry/images/triangle-3-4-5-pyth.svg (example of a right angled triangle)
http://www.gmatfree.com/wp-content/uploads/2014/07/ScreenHunter_185-Oct.-13-16.52.jpg (circle)
http://www.tpub.com/math1/18.htm26.gif (arc, sector, chord)
https://s-media-cache-ak0.pinimg.com/originals/5f/6f/8f/5f6f8fa04a02fb82eaa2bd4373f7d5d1.jpg (all parts in circle)
[Contributor - Sudha Thangaraj]
https://drive.google.com/open?id=0B4m07xnDF8JpMDc5VHlScGktUDg (worksheet)
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