WBSED - 7 - Maths :: Simplification of Algebraic Expressions
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[Author - Kripa S]
Objective: To introduce basic algebraic expressions and formulae
Subtopics to be covered:
- Expansion of (a+b)2 ,(a-b)2 , (a+b)2 + (a-b)2 , (a+b)2 - (a-b)2 , (a+b)(a-b)
- Expansion of (a+b+c)2
- Solve expressions based of these formula
- Solve expressions involving numbers by using any of the above formula
Learning Outcome:
- Students can simplify the expressions by using any of the formula above
[Author - Kripa S]
http://www.wbsed.gov.in/wbsed/readwrite/etextbook/Ganitprabha%20Class%20VII.pdf#page=156 (Bengali Medium)
[Author - Kripa S]
https://www.youtube.com/watch?v=J3CQR_O9m7w (simplify expresions)
https://www.youtube.com/watch?v=YY62BfdVSiM (solve on both sides of = sign)
[Author - Kripa S]
http://www.aplustopper.com/wp-content/uploads/2016/09/Algebraic-Identities.png (identities)
http://s3.mnimgs.com/img/shared/discuss_editlive/2315393/2012_08_23_12_13_42/wumdmxbq_5989364557219336072.png ( formula to simplify expressions)
[Author - Kripa S]
3. Make teams of two students each, where one student will ask square of a number, and other student will ask square root of a number.
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