Difference between revisions of "MHSB - 7 - Maths :: Direct and Inverse Proportion"
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=Lesson Plan= | =Lesson Plan= | ||
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| + | [Author - Kripa S] | ||
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| + | '''Objective:''' To introduce direct and inverse proportion | ||
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| + | '''Subtopics to be covered:''' | ||
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| + | - General formula for direct proportion | ||
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| + | - Gneral formula for inverse proportion | ||
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| + | - Word problem to find value in direct or inverse proportion | ||
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| + | '''Learning Outcome:''' | ||
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| + | - Students can identify whether given data is in direct or inverse proportion | ||
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| + | - Students can solve a problem on proportion to find unknown value | ||
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| + | - Students can frame proportion on a word problem | ||
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=Textbook= | =Textbook= | ||
[Author - Kripa S] | [Author - Kripa S] | ||
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http://cart.ebalbharati.in/BalBooks/pdfs/701020004.pdf#page=72 (Marathi) | http://cart.ebalbharati.in/BalBooks/pdfs/701020004.pdf#page=72 (Marathi) | ||
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| + | http://cart.ebalbharati.in/BalBooks/pdfs/703020004.pdf#page=72 (English) | ||
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http://www.edpax.com/media/managed/large/ratio_proportion_2nd_41.png (direct proportion example 1) | http://www.edpax.com/media/managed/large/ratio_proportion_2nd_41.png (direct proportion example 1) | ||
| − | http://www.rpdp.net/mathdictionary/english/vmd/images/e/equivalentratios.gif direct proportion example 2) | + | http://www.rpdp.net/mathdictionary/english/vmd/images/e/equivalentratios.gif (direct proportion example 2) |
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTHyX4m1veFeiPuZymoJGrmR8_G1Hi8qZKBzfUE66geuwYD0ry0 (direct proportion example 3) | https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTHyX4m1veFeiPuZymoJGrmR8_G1Hi8qZKBzfUE66geuwYD0ry0 (direct proportion example 3) | ||
https://doubleconformal.files.wordpress.com/2014/11/inversionbubblec2.png (inverse proportion example 1) | https://doubleconformal.files.wordpress.com/2014/11/inversionbubblec2.png (inverse proportion example 1) | ||
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=Activities= | =Activities= | ||
Revision as of 05:29, 18 July 2017
Go To:MSCERT-Mathematics-Grade 7
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Kripa S]
Objective: To introduce direct and inverse proportion
Subtopics to be covered:
- General formula for direct proportion
- Gneral formula for inverse proportion
- Word problem to find value in direct or inverse proportion
Learning Outcome:
- Students can identify whether given data is in direct or inverse proportion
- Students can solve a problem on proportion to find unknown value
- Students can frame proportion on a word problem
[Author - Kripa S]
http://cart.ebalbharati.in/BalBooks/pdfs/701020004.pdf#page=72 (Marathi)
http://cart.ebalbharati.in/BalBooks/pdfs/703020004.pdf#page=72 (English)
[Author - Kripa S]
https://www.youtube.com/watch?v=KppJGjvABVo (ratio and proportion)
https://www.youtube.com/watch?v=p1LIeJeKT38 (proportion example)
[Author - Kripa S]
http://www.edpax.com/media/managed/large/ratio_proportion_2nd_41.png (direct proportion example 1)
http://www.rpdp.net/mathdictionary/english/vmd/images/e/equivalentratios.gif (direct proportion example 2)
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTHyX4m1veFeiPuZymoJGrmR8_G1Hi8qZKBzfUE66geuwYD0ry0 (direct proportion example 3)
https://doubleconformal.files.wordpress.com/2014/11/inversionbubblec2.png (inverse proportion example 1)
[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?
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