NCERT - 7 - Maths :: Comparing Quantities
Go To: NCERT-Mathematics-Grade 7
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[Author - Kripa S]
Objective: To revise ratio, proportion and learn how to find percentage
Subtopics to be covered:
- Convert a ratio into a fraction, percentage and decimal
- Convert fraction ad decimal to percentage
- Simple Interest
Learning Outcome:
- Students can write percentage for a given fraction or a decimal
- Students can solve problems based on percentage (example - Simple Interest)
- Students can find value of unknown in a ratio
[Author - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0757-Ganit/Chap-8/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0756-Mathematics/Chapter%208/index.html (NCERT English Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-aXhXQnQtRlh6Y28 (JEPC Board) (Hindi Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-dDFZckpQMnMtUGs (JEPC Board) (Hindi Medium)
[Author - Rishi Mazumdar]
https://hi.khanacademy.org/math/in-math-by-grade/in-seventh-grade-math/in-seventh-grade-math/comparing-quantities (Khan Academy)
[Author - Kripa S]
http://study.com/cimages/videopreview/4qfs3doxw6.jpg (what is ratio)
http://www.edpax.com/media/managed/large/ratio_proportion_2nd_41.png (ratio example 1)
http://www.rpdp.net/mathdictionary/english/vmd/images/e/equivalentratios.gif (ratio example 2)
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)
http://images.tutorvista.com/cms/images/113/equivalent-ratios.png (equivalent ratio)
https://qrfellows.files.wordpress.com/2013/11/139202.jpg (percentage in daily use)
https://media.gcflearnfree.org/ctassets/topics/231/half-measuring-cup3.png (conversion of fraction to percentage)
[Contributor - Reshav Dey]
https://drive.google.com/open?id=0BzNF2YyqQxJ-b3F1V1FhYVY1N00
[Contributor - Reshav Dey]
https://drive.google.com/open?id=0BzNF2YyqQxJ-QWZjNTh1a1VPc1k
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