MHSB - 6 - Maths :: Triangle and its properties
Go To:MSCERT-Mathematics-Grade 6
Course Content / Subtopic list:
- Types Of Triangles - Based On Sides
- Types Of Triangles - Based On Angle
- Properties Of A Triangle
Lesson Plan
[Contributor - Kripa S]
Objective: Explain properties of triangle for different types of triangle
Subtopics to be covered:
- Revise types of triangles based on sides and angles
- Property on sum of lengths of sides of triangle
- Exterior angle of triangle and its property
Learning Outcome:
- Students can identify type of a triangle based on the measurements given
- They can tell based on given side measures, a triangle can be drawn or not
Videos
[Contributor - Kripa S]
https://www.youtube.com/watch?v=qir8IhNlKH8 (types of triangle video 1)
https://www.youtube.com/watch?v=0ICytxL3zq4 (types of triangle video 2)
(Source: Ekstep)
https://community.ekstep.in/preview/content/do_31217925839409971211349 (Video on types of triangles)
Images
[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)
Activities
[Contributor - Kripa S]
1. Can a median of a side of triangle be out of the triangle ? Try and see.
2. https://www.youtube.com/watch?v=YeD4HmdJusI (fun with triangles)
Additional Aids
[Contributor - Niranjan Kadam]
https://drive.google.com/open?id=1OvTSDAP0v8oqhR0aeBVvan2Men3PnQ7W
Transliteration
[Contributor - Niranjan Kadam]
| Term | Transliterated Term | Translated Term |
| Triangle | त्रिंगल | त्रिकोण |
| Line segment | लाईन सेगमेंट | रेषाखंड |
| Non collinear | नॉन कॉलिनेयर | नैकरेषीय |
| Vertices | व्हर्टीसिस | शिरोबिंदू, |
| Sides | साईड | बाजू |
| Angles | अँगल्स | कोन |
| Equilateral triangle | लॅटरल त्रिंगल | समभुज त्रि कोण |
| Isosceles triangle | इसॉसचेल्स त्रिंगल | समद् वि भुज त्रि कोण |
| Scalene triangle | स्केलेन त्रिंगल | विषमभुज त्रिकोण |
| Acute angled triangle | अँगलड त्रिंगल | लघुकोन त्रि कोण |
| Obtuse angled triangle | ऑबटूस अँगलड त्रिंगल | विशालकोन त्रिकोण |
| Right angled traingle | राइट अँगलड त्रिंगल | काटकोन त्रि कोण |
| Length | लेन्थ | लांबी |
Worksheets
[Contributor - Niranjan Kadam]
https://drive.google.com/open?id=1ko6r9De-WZPnXMrpRqrXwBb14xl-ywR0
Worksheets [Version 2021]
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/MHSB/Maths/T+2062_ST+5190_V1.docx (Worksheet 1)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/MHSB/Maths/T+2062_ST+5191_V1.docx (Worksheet 2)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/MHSB/Maths/T+2062_ST+5192_V1.docx (Worksheet 3)
Answer Keys [Version 2021]
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/answer_keys/MHSB/Math/T+2062_ST+5190_V1.docx (Answerkey 1)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/answer_keys/MHSB/Math/T+2062_ST+5191_V1.docx (Answerkey 2)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/answer_keys/MHSB/Math/T+2062_ST+5192_V1.docx (Answerkey 3)
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