Difference between revisions of "TNSB - 8 - Maths :: Geometry Term 1"
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https://www.youtube.com/watch?v=1k0G-Y41jRA (Types of triangles - English) | https://www.youtube.com/watch?v=1k0G-Y41jRA (Types of triangles - English) | ||
| − | https://www.youtube.com/watch?v=FHj_30sZ5eg&t=1s | + | https://www.youtube.com/watch?v=FHj_30sZ5eg&t=1s (Tamil - Triangles) |
| − | https://www.youtube.com/watch?v=kAmonwIYgGc&t=24s | + | https://www.youtube.com/watch?v=kAmonwIYgGc&t=24s (Tamil - Types of Triangles) |
| − | https://www.youtube.com/watch?v=6IF0r1rRQL0 | + | https://www.youtube.com/watch?v=6IF0r1rRQL0 (Tamil - Sides of a Triangle) |
| − | https://www.youtube.com/watch?v=3hjDoJQtsVg&t=6s | + | https://www.youtube.com/watch?v=3hjDoJQtsVg&t=6s (Tamil - Angle sum property) |
| − | https://www.youtube.com/watch?v=HbZ14rEIvXc | + | https://www.youtube.com/watch?v=HbZ14rEIvXc (Tamil - Exterior angle property of a triangle) |
=Images= | =Images= | ||
Revision as of 10:59, 12 September 2017
Go To: TNSB-Mathematics-Grade 8
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Kripa S]
Objective: To explain properties of triangles
Subtopics to be covered:
- Types of Triangles based of sides and angles
- Theorems/ Properties of Triangle
- Congruence of Triangle
Learning Outcome:
- Students can identify type of triangle from given set
- Students can solve problems on triangles, based on the properties learnt
- Students can tell whether two given triangles are congruent or not
[Author - Kripa S]
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-I-MSSS-TM-1.pdf#page=87 (Tamil Medium)
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-I-MSSS-EM-1.pdf#page=81 (English medium)
[Contributors - Kripa S, Padma Shankar]
https://www.youtube.com/watch?v=1k0G-Y41jRA (Types of triangles - English)
https://www.youtube.com/watch?v=FHj_30sZ5eg&t=1s (Tamil - Triangles)
https://www.youtube.com/watch?v=kAmonwIYgGc&t=24s (Tamil - Types of Triangles)
https://www.youtube.com/watch?v=6IF0r1rRQL0 (Tamil - Sides of a Triangle)
https://www.youtube.com/watch?v=3hjDoJQtsVg&t=6s (Tamil - Angle sum property)
https://www.youtube.com/watch?v=HbZ14rEIvXc (Tamil - Exterior angle property of a triangle)
[Author - Kripa S]
https://d1uvxqwmcz8fl1.cloudfront.net/tes/resources/6434695/9bbf98a5-ce5e-4cb3-8089-a6e5b029bd2e/image?width=500&height=500&version=1412698898000 (area,perimeter,volume)
[Author - Kripa S]
1. Can a median of a side of triangle be out of the triangle ? Try and see.
2. Draw one equilateral triangle, one isosceles triangle, one scalene triangle. Find their altitudes and means. What is common about them?
[Author - Sudha Thangaraj]
https://drive.google.com/open?id=0BzNF2YyqQxJ-X0x1OWJBbjcyUDA
[Author - Gayathri Arun]
| Term | Transliterated Term | Translated Term | |
| Equilateral Triangle | இக்கவி லேட்டரல் | சமபக்க முக்கோணம் | |
| Isosceles Triangle | ஐஸோஸ் செலஸ் | இரு சமபக்க முக்கோணம் | |
| Scalene Triangle | ஸ்கலின் ட்ரையாங்கில் | அசமபக்க முக்கோணம் | |
| Acute Angle | அக்யூட் அங்கிள் | குறுங்கோணம் | |
| Right Angle | ரைட் அங்கிள் | செங்கோணம் | |
| Obtuse Angle | ஓப்ட்யூஸ் அங்கிள் | விரிகோணம் | |
| Interior Angle | இன்டெரியர் அங்கிள் | உட்கோணம் | |
| Exterior Angle | எக்ஸ்டிரியர் அங்கிள் | புறக்கோணம் | |
| Bisector | பைசெக்டர் | இரு சமவெட்டி | |
| Congruence | காங்கிருவேன்ஸ் | ஒருங்கிசைவு | |
| Hypotenuse | ஹைப்போடெனுஸ் | செம்பக்கம், கர்ணம் |
[Author - Sudha Thangaraj]
https://drive.google.com/open?id=0BzNF2YyqQxJ-a3o0Tk1rNUVacG8
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