NCERT - 6 - Maths :: Basic Geometrical Ideas

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Go To: NCERT-Mathematics-Grade 6

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Course Content / Subtopic list:


  1. Points,Line Segment,Line,Intersecting Line, Parallel lines
  2. Curves,Polygons,Angles,Triangles
  3. Quadrilaterals,Circles

[Contributor - Rini Jose]

https://ncert.nic.in/textbook.php (Hindi and English)

Lesson Plan

[Contributor - Kripa S]


Objective: Introduce Point, Line, Line segment, Ray, Angles, Circle

Subtopics to be covered:

- Identify/ Draw a point, line, line segment, ray, angle

- Identify center, radius, diameter, sector, arc, chord, interior point, exterior point in a circle

Learning Outcome:

- Students can identify any asked geometrical concept/ idea in a given set



Videos

[Contributor - Kripa S, Rishi Mazumdar]


https://www.youtube.com/watch?v=xQw8pahieyA ( Geometry - What is an Angle )

https://www.youtube.com/watch?v=1P0ILl6_vnc (Angle - Hindi)

https://hi.khanacademy.org/math/in-sixth-grade-math/basic-geometrical-ideas (Khan Academy)

https://www.youtube.com/watch?v=N8VTx6wL_ww (Circle - Hindi)


Images

[Contributor- Kripa S]


http://www.mxepstein.com/wp-content/uploads/2015/08/vertex.jpg (ray, vertex)

https://www.freemathhelp.com/images/g12.png (ray, line segment, angle)

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)


Activities

[Contributor - Kripa S]


1. Share examples of point, line segments, circle from daily life. (example: star, bat, tubelight, side of a fan, bindi, dosa, chapathi etc)

2. Share example of rays (torch light, sun rays, etc )

3. Make different closed shapes using 6 pens or sticks. Reduce the sides by 1 everytime and make a new shape. What happens when you have 2 sides, what closed shape can you make? Is it possible? Discuss and understand what is the minimum requirements for a polygon/ closed shape


Additional Aids

[Contributor - Trisha Srivastava]

https://drive.google.com/open?id=0BzNF2YyqQxJ-Y3h0c0xEcURoeXc

[Contributor - Kripa S]


https://community.ekstep.in/preview/content/do_30091190 (Video on types of triangle) (Source: Ekstep)

Transliteration

[Author - Shachi Patel]

Term Transliterated Term Translated Term
constructions कंस्ट्रक्शंस निर्माण
point पोइन्ट बिंदु
line segment लाइन सेगमेंट रेखा खंड
intersecting इंटेरसेक्टिंग का प्रतिच्छेदन
parallel पारलेल समानांतर
ray रे किरण
polygon पोलीगोन बहुभुज
vertex वर्टेक्स शीर्ष
diagonal डायगोनल विकर्ण
interior इंटीरियर अभ्यंतर
quadrilateral क्वाड्रीलेटरल चतुर्भुज के

Worksheets

[Contributor - Trisha Srivastava]


https://drive.google.com/open?id=0BzNF2YyqQxJ-MndzX1hIZXNXVkU


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