2016 PSLE Discussions (Born in 2004)
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How to get 7/18 for 17 b
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snuggles2009:
Question 8, I got sunday
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Answer is wednesday
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Afternoon one and all, my P6 boy found the Math paper rather reasonable and doable. He provided feedback that he had enough time to check through both Paper 1 and Paper 2. Paper 2 is a little tougher and more tedious than previous years’ PSLE exams but on a whole there weren’t any surprises and he said that it was very manageable thanks to his math tutor’s help.
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Lemonleg44:
How to get 7/18 for 17 b
My Ds also say -7/18 cannot be -
yes its correct
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cream and chocolate:
My DS says P + S not equal to 1/2 of the square...ah my DD said that Q17b is 7/18
bcos she said that P+S is 1/2 of the square and P is 1/9 so S is 1/2-1/9= 9/18-2/18= 7/18 so she put final answer 7/18
is it correct?
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Which is 17b again?
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We know that length is 6 cm.
So Area of Q and R = 1/2 x B x H = 1/2 x 6 x 6 = 18 cm sq
Since Q = 6 cm sq, R = 12 cm sq
Therefore, S = 36 - (4+6+12) = 14 cm sq
Fraction of S to Whole Figure will be 14/36 = 7/18 -
What is 17b? My DD put 7/18
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