MHSB - 6 - Maths :: Operations on Fractions

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[Contributor - Kripa S]

Objective: To explain operations on fractions

Subtopics to be covered:

- Basics of fractions (shade a portion, write a fraction)

- Types of fractions-> mixed, improper

- Conversion of one type of fraction to other

- Operations on 2 given fractions ( +, - , x , ÷ )

Learning Outcome:

- Students can identify type of fraction and convert to other type

- Students can add,subtract, multiply, divide fractions

- Students can guess reciprocal of a fraction

[Contributor - Kripa S]

http://cart.ebalbharati.in/BalBooks/pdfs/601020004.pdf#page=30 (Marathi Medium)

http://cart.ebalbharati.in/BalBooks/pdfs/603020004.pdf#page=30 (English Medium)

[Contributor - Kripa S]

https://www.youtube.com/watch?v=1thX9Qml0Ks&t=10s (Addition of Fractions)

https://www.youtube.com/watch?v=ahfqLSSo3jE (Addition of Fraction - Marathi)

https://www.youtube.com/watch?v=QjaF8xZLBjQ (Subtraction of Fractions)

https://www.youtube.com/watch?v=M5RspYPW-4c (Subtraction of Fractions - Marathi)

https://www.youtube.com/watch?v=T5cw0AN5T54 (Multiplication of Fractions- Marathi)

https://www.youtube.com/watch?v=Ljr-lZSnhcY (Properties of Fraction - Marathi)

[Contributor - 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)

[Contributor - 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.

[Contributor - Shweta Angne]

https://drive.google.com/open?id=0B4m07xnDF8JpNGVLTXFqaTZ0dnM

[Contributor - Satish Kothari]

Term	Transliterated Term	Translated Term
Improper Fraction	इम्प्रोपर फ्रॅक्शन	अयोग्य अपूर्णांक
Mixed Fraction	मिक्सड फ्रॅक्शन	मिश्र अपूर्णांक
Addition	एडिशन	जोडा
Subtraction	सबट्रक्शन	वजाबाकी
Multiplication	मल्टिप्लिकेशन	गुणाकार
Number Line	नंबर लाईन	संख्या रेखा
Reciprocal	रेसिप्रोकेल	पारस्परिक
Division	डिव्हिशन	विभागणी

[Contributor - Shweta Angne]

https://drive.google.com/open?id=0B4m07xnDF8JpOUQyN3FscEVvUnM

[Contributor - Chaitra Pai]

https://drive.google.com/open?id=1wobGUwJ2lk36LPvyZLIvkecCEU10UYGK (Worksheet 1)

https://drive.google.com/open?id=17RVQaLrTxsbxdEp5epkTRDcvJGAiozWX (Worksheet 2)

https://drive.google.com/open?id=1dPY_udi9T8Sramrg0DP29cemFHTblqCt (Worksheet 3)

https://drive.google.com/open?id=15C43DOFD3dLtvfvIjlcrobl30mJyAu64 (Worksheet 4)

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