NCERT - 5 - Maths :: Boxes and Sketches
Go To: NCERT-Mathematics-Grade 5
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[Contributor - Kripa S]
Objective: To teach how to make 3D shapes out of 2D figure
Subtopics to be covered:
- Draw 3D cube, cuboid out of 2D figure
- 2D Top view, side view for a 3D shape
Learning Outcome:
- Students can make a 3D shape out of the 2D cut out figure
- They can tell which 2D figure can give a 3D cube shape
- They can make 2D figure for a given 3D shape
[Contributor - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20V/0528-Ganit%20Ka%20Jadoo-V/Ch%209/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20V/0527-Math%20Magic%20Book-V/Ch%209/index.html (NCERT English Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-Tk53UWNjcmV5ZVU (JEPC Board) (Hindi Medium)
[Contributor - Kripa S]
(Source - Khan Academy) https://hi.khanacademy.org/math/in-math-by-grade/in-fifth-grade-math/boxes-sketching (Hindi - Visualizing 3-D objects)
[Contributor - Kripa S]
https://s-media-cache-ak0.pinimg.com/originals/fb/ee/90/fbee90ea43424a94203ea8f098d581e3.jpg (2D shapes)
http://site.unbeatablesale.com/img308/edre39802.gif (shapes)
https://appdesignclass.files.wordpress.com/2014/08/shape-and-form.jpg (2D to 3D)
https://s-media-cache-ak0.pinimg.com/originals/b1/c0/60/b1c060894693fb7387cb851e980d1dd6.jpg (3D shapes)
[Contributor - Apoorva Shetty]
1. Unfold the outer covering of an empty matchbox into one continuous shape.
2. Trace the boundaries of the unfolded matchbox on to a paper.
3. Cut out this shape. Now they have the blueprint for making cuboids. (http://www.ekshiksha.org.in/Image_Surface_Areas_and_Volumes_IX/3.png)
[Contributor - Jyoti Joshi
https://drive.google.com/open?id=0BzNF2YyqQxJ-Y2VhRzZ2VjVIdnc
[Contributor - Jyoti Joshi]
https://drive.google.com/open?id=0BzNF2YyqQxJ-ZGY5YVZuTExUSzg
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