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=='''Some interesting exchanges from the STF mailing forum.'''==
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'''Some interesting exchanges from the STF mailing forum.'''
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To join the forum, visit this group [http://groups.google.com/group/mathssciencestf?hl=en-US here].
 
To join the forum, visit this group [http://groups.google.com/group/mathssciencestf?hl=en-US here].
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=== Square root of a number ===
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[[Image:one.jpg]]
The squre root of whole number is always less than the that square number ( ex; sqare root of 25 is 5, 36 is 6 etc) but in decimal it is reverse (ex; sqare root 0.8 is o.89) what is the reason?
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'''Square root of a number'''
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The squre root of whole number is always less than the that square number ( ex; sqare root of 25 is 5, 36 is 6 etc) but in decimal it is reverse (ex; sqare root 0.8 is o.89) what is the reason? Shared by Suchetha SS, GHS Thyamagondulu.
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[[http://karnatakaeducation.org.in/KOER/en/index.php/Maths:_From_the_forum#Square_root_of_a_number Read More]]
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'''CarMetal is a Geogebra like free software'''
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A description of another graphic tool like Geogebra. Shared by Tharanath Achar, GPUC Belthangady.
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[[http://karnatakaeducation.org.in/KOER/en/index.php/Maths:_From_the_forum#CaRMetal_is_a_Geogebra_like_free_software Read More]]
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'''Math teaser about an arithmetic progression'''
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P th term of an AP is Q and Q th term of an AP is P . Then find PQ th term ?....Shared by Mallikarjun Sudi, GHS Yelheri and Sneha Titus, APU.
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[[http://karnatakaeducation.org.in/KOER/en/index.php/Maths:_From_the_forum#P_th_term_of_an_AP_is_Q_and_Q_th_term_of_an_AP_is_P_._Then_find_PQ_th_term_.3F Read More]]
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'''Pi Day'''
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Which day is Pi Day?
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[[http://karnatakaeducation.org.in/KOER/en/index.php/Maths:_From_the_forum#Which_day_is_Pi_Day_.3F Find out]]
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'''Trigonometry using Geogebra'''
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Let us take ex : sq root of 0.16 is 0.4 but it is greater than 0.16
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Basics of Trigonometry using Geogebra, lesson shared by Radha Narve, GHS Begur.
Square rooting 16/100 = 4/10. The value of denominator is larger than numerator.. when u square root it, (square root16) / (square root100)
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Click [[http://karnatakaeducation.org.in/KOER/en/index.php/Maths:_From_the_forum#Trignometric_Ratios here]] to read more.
Thus making the denominator smaller at the same time..ex :  numerator: square root16 = 4; denominator: square root100 = 10
 

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