NCERT - 7 - Maths :: Practical Geometry
Go To: NCERT-Mathematics-Grade 7
Course Content / Subtopic list:
- Construction Of A Line
- Construction Of Triangles, Construction Of Triangle
- SAS Criterion,ASA Criterion,RHS Criterion
[Contributor - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0757-Ganit/Chap-10/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0756-Mathematics/Chapter%2010/index.html (NCERT English Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-UkJfeGRpRzNnbGc (JEPC Board) (Hindi Medium)
Lesson Plan
[Contributor - Kripa S]
Objective: To construct triangles
Subopics to be covered:
- Contruction of triangle using SSS criteria
- Construction of triangle using SAS criteria
- Construction of triangle using ASA criteria
- Construction of triangle using right angle, hypotenuse criteria
Learning Outcome:
- Students can construct a triangle based on given measurements by using one of the four criteria
Videos
[Contributor - Rishi Mazumdar]
(Source - Khan Academy)
https://hi.khanacademy.org/math/in-math-by-grade/in-seventh-grade-math/in-seventh-grade-math/seventh-practical-geometry (Hindi - Practical Geometry)
Images
[Contributor - 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)
Activities
[Contributor - Kripa S]
1. 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
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
Additional Aids
[Contributor - Reshav Dey]
https://drive.google.com/open?id=0BzNF2YyqQxJ-TE8yS0RCYjRqd00 (Answer 1a)
https://drive.google.com/open?id=0BzNF2YyqQxJ-ZHVOeVJaQV90UEE (Answer 1b)
Transliteration
[Contributor - Suwetha]
| Term | Transliterated Term | Translated Term |
| Practical Geometry | प्रैक्टिकल ज्योमेट्री | प्रायोगि ज्यामित |
| Construction | कंस्ट्रक्शन | रचना |
| Measure | मेशर | माप |
| Line segment | लाइन सेगमेंट | रेखाखंड |
| Parallel lines | पैरेलल लाइन्स | समांतर रेखाएँ |
| Point | पॉइंट | बिन्दु |
| Triangle | ट्रायंगल | त्रिभुजों |
| compass | परपेंडिकुलर | परकार |
| Radius | रेडियस | त्रिज्या |
| Centre | सेंटर | केन्द्र |
| Arc | आर्क | चाप |
Worksheets
[Contributor - Reshav Dey]
https://drive.google.com/open?id=0BzNF2YyqQxJ-YS0waHdKV1dqOWc
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