View source for NCERT - 8 - Maths :: Comparing Quantities

Go To: [[NCERT-Mathematics-Grade 8]]

=Course Content=


<h2> Course Content / Subtopic list: </h2>
<br>

<ol>
  <li>Recalling Ratios And Percentages</li>
  <li>Finding Discounts, Profit And Loss</li>
  <li>Sales Tax/Value Added Tax/Gst</li>
  <li>Compound Interest & Deducing A Formula For Compound</li>
  <li>Rate Compounded Annually/Half Yearly, Applications</li>
</ol> 

=Textbook=

[Author - Kripa S]


http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0853-Ganit/Chapter_8/index.html (NCERT Hindi Medium) 

http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0852-Mathematics/8/index.html (NCERT English Medium)

https://drive.google.com/open?id=0BzNF2YyqQxJ-bEx6YVBSZUlkOU0 (JEPC Board) (Hindi Medium)

=Teaching Learning Resources=


<h2>Lesson Plan</h2>

[Author - Kripa S]


'''Objective:''' To revise ratio, percentage and their applications

'''Subtopics to be covered:'''

- Ratio, Percentage and their conversion

- Profit, Loss, Discount

- Tax

-  Compound Interest

'''Learning Outcome:'''

- Students can convert ratio to percentage and solve sums

- Students can solve problems based on percentage (example - Profit, Loss, Discount, SP, CP)





<h2>Videos</h2>

[Contributor - Rishi Mazumdar]

(Source - Khan Academy)

https://hi.khanacademy.org/math/in-math-by-grade/in-seventh-grade-math/in-seventh-grade-math/comparing-quantities (Hindi - Comparing Quantities)

<h2>Images</h2>

[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)


<h2>Activities</h2>
[Contributor - Shiyamali. S]


https://drive.google.com/open?id=0BzNF2YyqQxJ-WE1yNkNLX2xsbzg (Activity 1)

https://drive.google.com/open?id=0BzNF2YyqQxJ-LTRRV3Fmd2FDMmM (Activity 2)

<h2>Additional Aids</h2>
[Contributor - Shreya Sood]

https://drive.google.com/open?id=1ZJQ4Xb-uaBmCvmIY_61XLXPsi_mHbhNr

<h2>Transliteration</h2>
[Contributor - Vikas Kumar]
{| class="wikitable" 
|'''Term''' || '''Transliterated Term''' || '''Translated Term'''
|-
|amounts || अमाउंटस || राशियाँ
|-
|compare || कॉम्पएयर || तुलना
|-
|Ratio || रेश्यो || अनुपात
|-
|percentage || परसेंटेज || प्रतिशत
|-
|discount || डिस्काउंट || बट्टा
|-
|estimation || एस्टीमेशन || आकलन
|-
|loss || लोस || हानि
|-
|profit || प्रॉफिट || लाभ
|-
|buy || बाई || खरीद
|-
|sell || सेल || बिक्री
|-
|cost price || कॉस्ट प्राइस || क्रय मुल्य
|-
|sell price || सेल प्राइस || विक्रय मुल्य
|-
|rate || रेट || दर
|-
|value || वैल्यू || मुल्य
|-
|compound interest || कंपाउंड इंटरस्ट || चक्रवृद्धि ब्याज
|-
|simple interest || सिंपल इंटरस्ट || साधारण ब्याज
|-
|rate of interest || रेट ऑफ इंटरस्ट || वार्षिक ब्याज
|-
|half yearly || हाफ इयरली || अर्धवार्षिक
|-
|formula || फ़ॉर्मूला || सूत्र
|-
 
 |}

<h2>Worksheets</h2>
[Contributor - Akash Garg]

https://drive.google.com/open?id=1p0GyHNwgrMYUhiReDdKVVwDXiJUxLeA2



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