MHSB - 5 - Maths :: Angles
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[Author - Kripa S]
Objective: To introduce lines, angles and types
Subtopics to be covered:
- Define line, angle
- Types of angles (acute, right, obtuse)
- Types of lines (parallel, perpendicular)
Learning Outcome:
- Students can identify type of line or angle asked from given set
[Author - Kripa S]
http://cart.ebalbharati.in/BalBooks/pdfs/501020004.pdf#page=43 (Marathi Medium)
http://cart.ebalbharati.in/BalBooks/pdfs/503020004.pdf#page=43 (English Medium)
[Author - Kripa S]
https://www.youtube.com/watch?v=TKKpihENPrA (What is an angles video 1 )
https://www.youtube.com/watch?v=8tlcGAxb1b4 (Types of angles)
https://www.youtube.com/watch?v=RJPFKHxeIEo (angles video 2)
[Author - Kripa S]
http://www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U07_L1_T1_text_final_3_files/image034.gif (types of angles)
http://www.rogersconnection.com/triangles/images/Angles.jpg (angles)
http://s3-ap-southeast-1.amazonaws.com/subscriber.images/maths/2016/06/16073012/141.jpg (types of angles)
[Author - 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. Make a team of 2-3 students. On student draws an angle and other student has to measure, third student will confirm if the measurement is correct. Repeat this step 4-5 times. This way the students can learn how to use a protractor
[Author - Niranjan Kadam]
https://drive.google.com/open?id=0BzNF2YyqQxJ-VnNvdUhxemdvZmM
[Contributor - Kripa S]
https://community.ekstep.in/preview/content/do_31221381264938598412888 (Activity on Lines and Angles) (Source: Ekstep)
https://community.ekstep.in/preview/content/do_3121693731387883522788 (Video on types of angles) (Source: Ekstep)
[Author - Satish Kothari]
| Term | Transliterated Term | Translated Term | |
| Angle | अँगल | कोन | |
| Right Angle | राईट अँगल | काटकोन | |
| Acute Angle | अक्यूट अँगल | लघुकोन | |
| Obtuse Angle | ओब्ट्यूस अँगल | विशालकोन | |
| Line | लाईन | रेघ, रेष | |
| Side | साईड | बाजू, भुजा | |
| Common Point | कॉमन पॉईंट | सामाईक बिंदू | |
| Vertex | वर्टेक्स | शिरोबिंदू |
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