NCERT - 7 - Maths :: Symmetry
Go To: NCERT-Mathematics-Grade 7
Course Content / Subtopic list:
- Lines Of Symmetry For Regular Polygon
- Rotational Symmetry, Line Symmetry And Rotational Symmetry
[Contributor - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0757-Ganit/Chap-14/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0756-Mathematics/Chapter%2014/index.html (NCERT English Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-WkRsSnliYzRYM0k (JEPC Board) (Hindi Medium)
Lesson Plan
[Contributor - Kripa S]
Objective: Learn more on similarity in patterns, lines of symmetry, rotational symmetry
Subtopics to be covered:
- patterns with lines of symmetry
- patterms with mirror reflection
- patterns with rotational symmetry, find angle of rotation, order of rotational symmetry
Learning Outcome:
- Students can identify the lines of symmetry for a given figure
- They can identify if the figure has mirror reflection
- They can identify is an object show rotational symmetry and tel the order of the same
Videos
[Contributor - Rishi Mazumdar]
https://youtu.be/MqvdP1H1TbU (Symmetry and pattern)
https://hi.khanacademy.org/math/in-math-by-grade/in-seventh-grade-math/in-seventh-grade-math/in-s (Symmetry)
Images
[Contributor - Kripa S]
http://www.onlinemathlearning.com/image-files/lines-of-symmetry.jpg (lines of symmetry)
https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Symmetry.png/250px-Symmetry.png (pattern)
Activities
[Contributor - Kripa S]
1. List any 4-5 things that are symmetrical in your house, locality
2. Collect some flowers, leaves that have one or many lines of symmetry and show it in class.
Additional Aids
[Contributor -Anuradha Srinivasan]
https://drive.google.com/open?id=0B4m07xnDF8JpRE5rV1YzQnlzVEk
Worksheets
[Contributor - Devendra Mishra]
https://drive.google.com/open?id=0B4m07xnDF8JpaDI1Z2hQdXVWaXc
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