JACB - 7 - Maths :: Congruence of Triangles
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[Contributor - Gayatri Kumari]
Please find below the detailed lesson plan and PPT for this chapter in the language mentioned against the respective link. While the lesson plan will give an overall flow of the lesson, the PPT will include lesson flow as well as the presentations for the class.
https://drive.google.com/file/d/1s1AAFBjaeoYRDvTPJi70zfydim_ORLYS/view?usp=sharing (Lesson Plan - English)
https://drive.google.com/file/d/1crxDZxQdlNfXiHz7f65cVaxQfpbwxqqd/view?usp=sharing (PPT - English)
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[Author - Rishi Mazumdar]
https://hi.khanacademy.org/math/in-math-by-grade/in-seventh-grade-math/in-seventh-grade-math/congruence-triangles (Congruency in Triangles - Hindi)
[Author - Kripa S]
https://s3-ap-southeast-1.amazonaws.com/learnhive/lcards/Conditions-of-Congruence-of-Two-Triangles-521f29a53844f.png (Tests of Congruence)
http://passyworldofmathematics.com/Images/pwmImagesSix/CongruentTrianglesThirteen550x418JPG.jpg (Congruency test example 2)
[Author - Kripa S]
1. Check the biscuits in a packet. Are they all alike? Are they congruent?
2. Check the chips in a packet. Are they alike and congruent? Why not ?
3. Take two congruent copies of a triangle. By paper folding, investigate if they have equal altitudes. Do they have equal medians? What can you say about their perimeters and areas?
[Contributor - Gayatri Kumari]
Lesson Plan version 1.1 PPT
https://drive.google.com/file/d/1crxDZxQdlNfXiHz7f65cVaxQfpbwxqqd/view?usp=sharing (PPT - English)
Worksheets [Version 2021]
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Answerkeys [Version 2021]
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