DSERT - 6 - Maths :: Basic concepts of Geometry (2D)
Go To: DSERT-Mathematics-Grade 6
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[Author - 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
[Author - Kripa S]
http://ktbs.kar.nic.in/New/website%20textbooks/class6/6th-kannada-maths-1.pdf#page=97 (Kannada Medium)
http://ktbs.kar.nic.in/New/website%20textbooks/class6/6th-english-maths-1.pdf#page=97 (English Medium)
[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)
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)
[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
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