MHSB - 6 - Maths :: Basic concepts in Geometry

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[Author - Kripa S]

Objective: To introduce all the geometrical ideas

Subtopics to be covered:

- Define point, types of points (collinear, non collinear)

- Ray, line segment, line, plane

- Types of lines (parallel lines, intersecting)

Learning Outcome:

- Students can identify a geometrical concept from given set

[Author - Kripa S]

http://cart.ebalbharati.in/BalBooks/pdfs/601020004.pdf#page=10 (Marathi Medium)

http://cart.ebalbharati.in/BalBooks/pdfs/603020004.pdf#page=10 (English Medium)

[Author - Kripa S]

https://www.youtube.com/watch?v=eXz1YXsqx80 (basics of geometry)

[Author - 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)

https://static.studyladder.com/cdn/course/19/ce6062a85a2e.jpg (types of lines)

http://study.com/cimages/multimages/16/line_vs._line_segment_.png (line vs line segment)

[Author - 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

[Author - Shweta Angne]

https://drive.google.com/open?id=0B4m07xnDF8JpZ09say1FNXdINWM (answerkey1)

https://drive.google.com/open?id=0B4m07xnDF8JpMjJnc2hFRkJvY2c (answerkey2)

Term'	Transliterated Term	Translated Term
Point	पॉईंट	बिंदू
Line Segment	लाईन सेगमेंट	रेषाखंड
Line	लाईन	रेखा
Ray	रे	रे
Parallel Lines	पॅरलल लाईन	समांतर रेखा

[Author - Shweta Angne]

https://drive.google.com/open?id=0B4m07xnDF8JpbXNzaE5UeWVhZG8 (worksheet1)

https://drive.google.com/open?id=0B4m07xnDF8JpZUlyRGtBTXhHcXc (worksheet2)

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Anonymous user #1

29 months ago

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ray is called kiran Marathi

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