DSERT - 8 - Maths :: Commercial Arithmetic
Go To: DSERT-Mathematics-Grade 8
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[Author - Kripa S]
Objective: Explain percentage, and real life examples to use percentage
Subtopics to be covered:
- Define the term percentage
- Profit, loss, selling price and marked price.
- Calculate discount, discount percentage and selling price after discount.
- Define simple interest
- Calculate simple interest principal time, rate of interest
Learning Outcome:
- Students know how to solve problems involving percentage
- They know to calculate percentage in problems related to profit - loss, discounts, simple interest.
[Author - Kripa S]
http://ktbs.kar.nic.in/new/website%20textbooks/class8/8th-kannada-maths-2.pdf#page=3 (Kannada Medium)
http://ktbs.kar.nic.in/new/website%20textbooks/class8/8th-english-maths-2.pdf#page=3 (English Medium)
[Author - Kripa S]
https://www.youtube.com/watch?v=0zPn-SQ86H4&list=PLHOGBLPrsnMo-Rj3kGdsFAZel8YQbN0Q_ (Comparing quantities, applications - English)
[Author - Kripa S]
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)
[Author - Kripa S]
1. Count the number of girls and boys in your class. What percentage of your class is girls? Solve and share
2. Ask your friend how many people live in his/ her house. Find the percentage of children going to school from that house.
[Contributors - Navyashree Jogi, Nikita Satish]
https://drive.google.com/open?id=0BzNF2YyqQxJ-ZjVpRGVCcHVwdVk
https://drive.google.com/open?id=0BzNF2YyqQxJ-RXk3OTFMaGVINnM (Answer Key 1)
[Contributor - Apoorva Ramachandra]
| Term | Transliterated Term | Translated Term |
| Percent | ಪರ್ಸೆಂಟ್ | ಶೇಕಡಾ |
| Rate | ರೇಟ್ | ಶೇಕಡ ದರ |
| Profit | ಪ್ರಾಫಿಟ್ | ಲಾಭ |
| Loss | ಲಾಸ್ | ನಷ್ಟ |
| Cost Price | ಕಾಸ್ಟ ಪ್ರೈಸ್ | ಅಸಲು ಬೆಲೆ |
| Selling Price | ಸೆಲ್ಲಿಂಗ ಪ್ರೈಸ್ | ಮಾರಾಟ ಬೆಲೆ |
| Overall Profit | ಒವೆರಾಲ ಪ್ರಾಫಿಟ್ | ಒಟ್ಟಾರೆ ಲಾಭ |
| Overall Loss | ಒವೆರಾಲ ಲಾಸ್ | ಒಟ್ಟಾರೆ ನಷ್ಟ |
| Discount | ಡಿಸ್ಕೌಂಟ್ | ರಿಯಾಯಿತಿ |
| Marked Price | ಮಾರ್ಕ್ದ್ ಪ್ರೈಸ್ | ಪಟ್ಟಿಬೆಲೆ/ಗುರುತಿಸಲ್ಪಟ್ಟ ಬೆಲೆ |
| Net Price | ನೆಟ್ ಪ್ರೈಸ್ | ನಿವ್ವಳ ಬೆಲೆ |
| Commission | ಕಮಿಷನ್ | ದಳ್ಳಾಳಿ |
| Broker | ಬ್ರೋಕರ್ | ದಳ್ಳಾಲಿ |
| Principal | ಪ್ರಿನ್ಸಿಪಾಲ | ಅಸಲು |
| Amount | ಅಮೌಂಟ್ | ಮೊತ್ತ |
| Simple Interest | ಸಿಂಪಲ್ ಇಂಟರೆಸ್ಟ್ | ಸರಳ ಬಡ್ಡಿ |
| Tax | ಟ್ಯಾಕ್ಸ್ | ತೆರಿಗೆ |
| Sales Tax | ಸೇಲ್ಸ್ ಟ್ಯಾಕ್ಸ್ | ಮಾರಾಟ ತೆರಿಗೆ |
| Value Added Tax | ವ್ಯಾಲ್ಯೂ ಆಡೆಡ್ ಟ್ಯಾಕ್ಸ್ | ಮೌಲ್ಯವರ್ಧಿತ ತೆರಿಗೆ |
| Manufacturer | ಮ್ಯಾನುಫ್ಯಾಕ್ಚರರ್ | ತಯಾರಕ |
| Wholesaler | ಹೋಲ್ ಸೇಲೆರ್ | ಸಗಟು ವ್ಯಾಪಾರಿ |
| consumer | ಕನ್ಸೂಮರ್ | ಗ್ರಾಹಕ |
| Retailer | ರೀಟೇಲರ್ | ಚಿಲ್ಲರೆ ವ್ಯಾಪಾರಿ |
[Contributors - Navyashree Jogi, Nikita Satish]
https://drive.google.com/open?id=0BzNF2YyqQxJ-NEcyRzlsMGZHX0U
https://drive.google.com/open?id=0BzNF2YyqQxJ-QndzYkQ1QTBRQWM (Worksheet 1)
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