UBSE - 8 - Maths :: Direct and Inverse Proportion

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Go To: UBSE-Mathematics-Grade 8

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Course Content / Subtopic list:


  1. Direct Proportion
  2. Inverse Proportion

[Contributor - Rini Jose]

Hindi textbook

Lesson Plan

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The lesson plan provides an overall picture of what you need to teach. It is recommended that you follow the objectives and the learning outcomes stated in the lesson plan.

We suggest that that you read the chapter thoroughly and research on how to teach the topic effectively to meet the learning outcomes.

Kindly note, while the lesson plan is a guide to teach, you can also add your own teaching elements to enhance the learning process of the children.


Direct and Indirect Proportion Lesson Plan - (Lesson Plan - English)


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The worksheets of the lesson can be accessed from the worksheet tab.



Videos


[Author - Rishi Mazumdar]


https://hi.khanacademy.org/math/in-math-by-grade/in-eighth-grade-math/direct-inverse-proportions (Khan Academy)


Images


[Author - Kripa S]


https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTHyX4m1veFeiPuZymoJGrmR8_G1Hi8qZKBzfUE66geuwYD0ry0 (proportion example 1)

https://image.pbs.org/poster_images/assets/PROPORTION.jpg.resize.710x399.jpg (proportion example 2)

https://www.mathsisfun.com/algebra/images/proportion-1a.gif (proportion with numbers)

https://www.mathsisfun.com/algebra/images/proportion-inverse-square.svg (inverse proportion)


Activities


[Author - Kripa S]


1. One pen costs 5 rs. How much with 10 pens cost? Is this direct proportion or inverse proportion? Why?

2. In 1 day, my sister reads 20 pages of a book. In how many days can she finish a book of 200 pages? If my sister reads 25 pages in a day, in how many days can she finish the book? Is this direct proportion or inverse proportion? Why?



Worksheets


[Version 2021]

https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/UBSE/Maths/T+3995_ST+5740_V1.pdf (Worksheet 1)

https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/UBSE/Maths/T+3995_ST+5741_V1.pdf (Worksheet 2)



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