TNSB - 5 - Maths :: Symmetry
Go To: TNSB-Mathematics-Grade 5
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[Contributor - Kripa S]
Objective: Introduce symmetry, types of symmetry
Subtopics to be covered:
- Symmetrical figures, mirror symmetry
- Axes of symmetry, lines of symmetry
- Rotational symmetry - 1/2, 1/3, 1/4, 1/6 turn
Learning Outcome:
- Students can identify whether a figure is symmetric or not
- They can find the axes of symmetry for a symmetric figure
- They can identify symmetric figures when rotated by an angle
[Contributor - Kripa S]
http://www.textbooksonline.tn.nic.in/Books/Std05/Std05-II-MSSS-TM-1.pdf#page=5 (Tamil Medium)
[Contributor - Kripa S]
https://www.youtube.com/watch?v=KN0JT3ioI7A ( Symmetry in nature - Animation )
[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)
[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.
[Contributor - Preethi Saravana]
https://drive.google.com/open?id=0BzNF2YyqQxJ-UFd5NUl0UVdHeG8
[Contributor - Nivetha Sivaswamy]
https://drive.google.com/open?id=0BzNF2YyqQxJ-TkJvMG9LM002V3c
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