TNSB - 6 - Maths :: Triangles

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[Contributor - Preethi Saravanakumar]

Objective: To educate the children about triangles and types of triangles

Subtopics to be covered:

1. Measuring angles
2. Types of triangles
3. Classification of triangles on the basis of sides (Equilateral triangle/ Isosceles triangle / Scalene triangle)
4. Classification of triangle on the basis of angles (Acute angled triangle, Right angled triangle, Obtuse angled triangle

Learning Outcome:

1. Students can identify different kinds of Triangles and are able to classify them based on the sides and angles.
2. Students can demonstrate different types of Triangles using Geo-board.

[Contributor - Kripa S]

http://www.textbooksonline.tn.nic.in/Books/Std06/Std06-III-MSSS-TM-1.pdf#page=37 (Tamil Medium)

http://www.textbooksonline.tn.nic.in/Books/Std06/Std06-III-MSSS-EM-1.pdf#page=37 (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)

http://image.wistatutor.com/content/feed/u774/angle%20pro3.JPG (exterior angle property)

https://dj1hlxw0wr920.cloudfront.net/userfiles/wyzfiles/f0516fa1-669b-441d-9f11-a33907a2a0b0.gif (Angle sum property of a triangle)

https://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/TriangleInequality.svg/220px-TriangleInequality.svg.png ( Property of lengths of sides of triangle)

[Contributors - Kripa S, Kamala Ramesh]

Can you make 8 triangles using 6 matchsticks ? Try

https://www.youtube.com/watch?v=dnPYZ27ahIM&feature=youtu.be (Tamil - making models using matchsticks)

[Contributor - Kripa S]

https://community.ekstep.in/preview/content/do_31225274729366323221674 (Types of triangles) (Source: Ekstep)

[Contributor - Sudha Thangaraj]

https://drive.google.com/open?id=0B4m07xnDF8Jpa1ZIbHdxWFIycGc (worksheet)

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