MHSB - 6 - Maths :: Triangle and its properties

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Go To:MSCERT-Mathematics-Grade 6

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Course Content / Subtopic list:


  1. Types Of Triangles - Based On Sides
  2. Types Of Triangles - Based On Angle
  3. Properties Of A Triangle

English Medium

English medium textbook

Marathi Medium

Marathi medium textbook


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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