NCERT - 5 - Maths :: Shapes and Angles

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[Contributor - Kripa S]

Objective: Explain different types of shapes and angles

Subtopics to be covered:

- closed and open shapes

- types of angles

- how change in shape is related to change in internal angle

Learning Outcome:

- Students can find different measures of angle

- Students can identify any shape and angle

[Contributor - Kripa S]

http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20V/0528-Ganit%20Ka%20Jadoo-V/Ch%202/index.html (NCERT Hindi Medium)

http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20V/0527-Math%20Magic%20Book-V/Ch%202/index.html (NCERT English Medium)

https://drive.google.com/open?id=0BzNF2YyqQxJ-MGxyZUh2Mm1sWjQ (JEPC Board) (Hindi Medium)

[Contributor - Kripa S]

https://www.youtube.com/watch?v=xQw8pahieyA ( Geometry - What is an Angle )

https://www.youtube.com/watch?v=6Xb_bJ8Ujyw (Type of angles video 1)

https://www.youtube.com/watch?v=-Tm0LHi8LKM ( Type of Angles video 2 )

https://www.youtube.com/watch?v=2Ks4vl4_X_s (how to get 3D shapes from 2D shapes)

https://hi.khanacademy.org/math/in-math-by-grade/in-fifth-grade-math/new-topic-2015-11-17T22:08:28.879Z (Khan Academy)

[Contributor - Kripa S]

http://www.sketchtips.info/content/1-articles/21-open-or-close-a-path-to-build-new-shapes/screen-sep-15-2015-2.jpg (closed vs open shapes)

http://www.rogersconnection.com/triangles/images/Angles.jpg (angles)

https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcR9MLFdL3q6Np7PFp03ApMMYIT-p_2T81ynFrdwvr5WGiANp9FS (types of angles)

http://s3-ap-southeast-1.amazonaws.com/subscriber.images/maths/2016/06/16073012/141.jpg (types of angles)

[Contributor - Kripa S]

1. Make 8-10 chits of different types of angles. Hand over one chit to one bench and ask them to enact what angle they are. Eg: If it is an acute angle, the students will stand close to middle student, if it is an obtuse angle, the students will stand far away from the middle student. If it is right angle, the students will stand on his one side and in front to depict 90 deg.

2. Use 5-6 pens, or sticks. Make different kinds of shapes with these sticks. How many shapes can you make ? How many are open and how many are closed shapes ?

3. Can you make 8 triangles using 6 matchsticks ? Try

[Contributor - Anmol Gupta, Sanand Dekhane]

https://drive.google.com/open?id=0BzNF2YyqQxJ-dFpXUzlRU1BCMU0 (Answerkey 1)

https://drive.google.com/open?id=0BzNF2YyqQxJ-dWFOU2Q2Vkl0ZnM (Answer Key 2)

[Contributor - Fathima Nazar]

Term	Transliterated Term	Translated Term
closed shape	क्लोज़्ड शेप	बंद आकृति
angle	ऑंगल	कोण
polygon	पोलीगन	बहुभुज
direction	डायरेक्शन	दिशा
shape	शेप	आकार
triangle	ट्रायंगल	त्रिकोण
diagonal	डायगनल	विकर्ण
rectangle	रेक्टेंगल	आयत
protractor	प्रोट्रेक्टर	कोण नापने का यंत्र
right angle	राइट ऑंगल	समकोण

[Contributor - Anmol Gupta, Sanand Dekhane]

https://drive.google.com/open?id=0BzNF2YyqQxJ-Z0lWWnlyRnQtUTA (Worksheet 1)

https://drive.google.com/open?id=0BzNF2YyqQxJ-Q25UcTR1NXozd3M (Worksheet 2)

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Anonymous user #1

86 months ago

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good

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