Difference between revisions of "TNSB - 8 - Maths :: Real number system"

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https://drive.google.com/open?id=1Z60tu86LI0rMBQEGdgZKdu2aUMEvDjJK (English)
  
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-I-MSSS-TM-1.pdf#page=6 (Tamil Medium)
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https://drive.google.com/open?id=11ML_XrvapKlfQ0J_LuurL6Egjk3r8sVH (Tamil)
 
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http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-I-MSSS-EM-1.pdf#page=6 (English medium)
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[Author - Gayathri Arun]
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[Contributor - Gayathri Arun]
 
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=Worksheets=
 
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[Author - Kripa Nagaraju, Sudha Thangaraj]
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[Contributor - Kripa Nagaraju, Sudha Thangaraj]
  
  

Latest revision as of 12:35, 16 October 2017

Go To: TNSB-Mathematics-Grade 8

[edit]

[Contributor - Kripa S]


Objective: Revisit Real numbers

Subtopics to be covered:

- Define rational numbers

- Properties of rational numbers based on addition, subtraction, multiplication, division

- Simplify numerical expressions involving 3 brackets

- Revise Exponents and laws of exponents

- Basic squares, square roots, cubes, cube roots

- Find square roots and cube roots by prime factorization method for a given number

Learning Outcome:

- Students can solve sums based on properties of rational numbers

- Students can solve sums on rational numbers involving 3 brackets

- Students can find square, square root, cube, cube root of a given number


[Contributor - Sumathi Sampath, Kamala Ramesh]


https://www.youtube.com/watch?v=vwFK8Jz_Zss (Exponents - Vetrivel Foundation)

https://www.youtube.com/watch?v=7Ua7lU3yuV0&feature=youtu.be (Tamil - Easy way to find squares)

[Contributor - Kripa S]


1. Make two teams. One team will write a number on board, and other team will guess whether it is a real number or not.

2. Make a chart of how rational numbers consists of integers, whole numbers, natural numbers.

3. Make a chart of how real number system consists of both rational and irrational numbers.


[Contributor - Gayathri Arun]

Term Transliterated Term Translated Term
Rational Number                                   ரஷனல் நம்பர்                                            விகிதமுறு எண்
Expression                                       எக்ஸ்ப்ரெஷன்                                            கோவை
Exponents                                      எக்ஸ்பொன்டேன்ட்                                          அடுக்கு,
Powers                                                 பவர்ஸ்                                                  அடுக்கு,
Squares                                             ஸ்க்வெர்ஸ்                                              வர்க்கம்
Square Roots                                  ஸ்க்வெர் ரூட்ஸ்                                          வர்க்கமூலம், இருபடி மூலம்
Cubes                                                 க்யூப்ஸ்                                                கனம்
Cube Roots                                      க்யூப் ரூட்ஸ்                                            முப்படி மூலம்
Approximation                                    அப்ரோக்ஸிமஷன்                                            தோராயமாக்கம்
Simplify                                           சிம்பிளிபை                                              சுருக்குக
Factorization                                     பாக்டரைசேஷன்                                            காரணியாக்க
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