TNSB - 6 - Maths :: Practical Geometry

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[Author - Kripa S]

Objective: To introduce use of Geometrical Instruments

Subtopics to be covered:

- Ruler, Compass, Protractor, Set Squares, Divider

- Draw using a ruler

Learning Outcome:

- Students can share the use of each of the instruments in geometry box

[Author - Kripa S]

http://www.textbooksonline.tn.nic.in/Books/Std06/Std06-I-MSSS-TM-1.pdf#page=78 (Tamil Medium)

http://www.textbooksonline.tn.nic.in/Books/Std06/Std06-I-MSSS-EM-1.pdf#page=78 (English medium)

[Author - Kripa S]

https://www.youtube.com/watch?v=cM-4kNOWwW4 (use of geometry box - Tamil)

[Author - Kripa S]

https://i.ytimg.com/vi/yTFfWMCZYK4/maxresdefault.jpg (Geometry Box)

https://upload.wikimedia.org/wikipedia/commons/thumb/3/32/Geom_compass_ruler.png/800px-Geom_compass_ruler.png (how to use a ruler, compass)

http://www.technologystudent.com/images7/obliq3.gif (Use of set squares)

http://www.helpingwithmath.com/images/geometry/angles_measuring11.gif (use of protractor)

[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 a line 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 the scale

3. 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

[Contributor - Preetha Sridharan]

https://drive.google.com/open?id=0BzNF2YyqQxJ-Q1kxLUNmd0dlZkk

[Author - Gayathri Arun]

Term	Transliterated Term	Translated Term
Ruler	ரூலர்	வரைகோல்
Compass	கம்பஸ்	கவராயம்
Divider	டிவைடர்	கவை
Protractor	ப்ரொட்ரக்டர்	கோணமானி
Set Squares	செட் ஸ்க்வெர்	மூலைமட்டம்
Length	லென்த்	நீளம்
Angle	ஆங்கிள்	கோணம்

Term'	Transliterated Term	Translated Term
Perimeter	பெரிமிட்டர்	சுற்றளவு

[Author - Preetha Sreedharan]

https://drive.google.com/open?id=0BzNF2YyqQxJ-UTl5eFlZNmtoVGc

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