DSERT - 7 - Maths :: Fractions
Go To: DSERT-Mathematics-Grade 7
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[Author - Kripa S]
Objective: To revisit basics of fractions and decimals, apply operations on fractions and decimals
Subtopics to be covered:
- Types of Fractions, arrange in order, compare fractions
- Add, Subtract Fractions
- Multiply, Divide fractions
- Place value of digits in decimal system, write decimal number in standard form and expanded form
- Add, subtract Decimal numbers
- Multiply, Divide decimals
Learning Outcome:
- Students can identify, simplify fractions and decimals and arrange a given set in required order
- Students can perform the 4 operations on fractions and decimals
[Author - Kripa S]
http://ktbs.kar.nic.in/New/website%20textbooks/class7/7th-kannada-maths-1.pdf#page=35 (Kannada Medium)
http://ktbs.kar.nic.in/New/website%20textbooks/class7/7th-english-maths-1.pdf#page=36 (English Medium)
[Author - Suchitra Hegde]
https://www.youtube.com/watch?v=9hZkk73nJ_Y&t=55s (Introduction to Fractions)
https://www.youtube.com/watch?v=1thX9Qml0Ks&t=10s (Addition of Fractions)
https://www.youtube.com/watch?v=QjaF8xZLBjQ (Subtraction of Fractions)
https://www.youtube.com/watch?v=GLBS3OppXvY (Kannada - Comparison of Fractions)
https://www.youtube.com/watch?v=DElUC92XtmU (Kannada - Equivalent Fractions)
https://www.youtube.com/watch?v=DTHpyJWSKOA (Kannada - Introduction to Fractions)
https://www.youtube.com/watch?v=4UdrLXXF7Qg (Kannada - Equal Fractions)
https://www.youtube.com/watch?v=hyanCWKd1kA (Kannada - Addition of fractions - 01)
https://www.youtube.com/watch?v=44fBb3-1taM (Kannada - Addition of fractions - 02)
https://www.youtube.com/watch?v=pGteG0Xq-Ag (Kannada - Addition of fractions - 03)
https://www.youtube.com/watch?v=1pCkWt-h8KI Kannada - Addition of fractions - 04)
[Author - Kripa S]
https://image.slidesharecdn.com/typesoffractions-100405235536-phpapp01/95/types-of-fractions-1-728.jpg?cb=1270511757 (types of fraction)
http://images.reallygreattoys.com/product/CD5918.jpg (comparing fractions)
http://commonthreads.typepad.com/.a/6a00d83516641653ef017d3cb00b6a970c-pi (equivalent fractions)
https://img.clipartfest.com/15e1c7e0b94440c5315dd80ca5e4abd5_adding-decimal-numbers-decimals-clipart_350-270.jpeg (decimal, place value)
https://media.gcflearnfree.org/ctassets/topics/231/half-measuring-cup3.png (fraction to decimal)
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcS6Hdzl-2V-6bEQVSwNk34a6lFM1mp8CQiVaMw3YNMPS-kPoUI99Q (compare decimals)
[Author - Kripa S]
1. Take a cardpaper piece and draw a circle of any radius of your choice. Divide the circle into 8 equal parts. Shade each portion with a different colour (yellow, orange, red, pink, green, blue, violet, dark colour). Push a pen refill or a stick and rotate the sheet. See the colour of the rotating sheet and discuss why you see that colour.
2. Make teams of 4 students. Each team must draw a circle and divide it in 12 equal parts. Each team must make chits of paper and write these fractions : 1/12, 2,12,3/12,4/12,5/12,6/12.....11/12,1/2,1/3,1/4,1/6. Shuffle these chits. One students picks out one chit and shades those many parts of circle. Then the next student will pick out another chit and shade those many parts. Repeat this step till the circle is fully shaded. The team which shades the circle first wins.
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