PSLE Maths 2012
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correct and u r right. i did it over lunch using mental calculation and not by using calculator.
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the radius of the circle is 50 divided by 2 having 25
use pi r square and get 1962.5
then find the area of the imaginary small square which is 50 times 50 having 2500
use 2500 minus 1962.5 and get 537.5
and times 38 as there are 38 of 537.5 as ther are 38 imaginary squares anf 38 circles which give u 20525 thats for part a
for b its 38 circles minus 4 circles at the corner givibg u 34
use 34 divided 2 giclving u 17 thus 17 circles surrounding 1 length and breathof the rectangle
the circle had a diameter of 50 thus use 50 times 17 which give u 850
as ther are 2 lenght and 2 beath use 850 times 2 giving u 1700
i hope my answer is correct -
CrimsonSunset:
What is ur definition of easy? Can score full marks or can get A*?So disappointed...
This year's English and Math papers have all been very easy... -
CrimsonSunset:
why?? easy is better... can pass or score higher...So disappointed...
This year's English and Math papers have all been very easy... -
@ximinful:
Easy is full marks for math n 95+ for english
@verykiasumummy:
Easy will be harder to get A*; 95% may not even be enough for English...
:sad: -
CrimsonSunset:
dun stress them up so much... getting A* is not a must, just do their best...@ximinful:
Easy is full marks for math n 95+ for english
@verykiasumummy:
Easy will be harder to get A*; 95% may not even be enough for English...
:sad: -
The answer for questions in paper 2 :-
Q 18 .(a) 40625
(b) 1700
Q. 17 (a) 280
(b) 44% -
The last question on paper 2 is
(a)5050-3.142525=537.5
38537.5=20425
(b)(38-4)/2=17
2*(17*50)=1700 -
Yep. My daughter said paper was super easy.
SHe said it was the easiest Math exam she had since p5 -
hi hi to all parents and students here...
visit this thread to poll for a \"like\" button to be implemented in ksp here...
http://www.kiasuparents.com/kiasu/forum/viewtopic.php?f=1&t=41299
ur vote is much appreciated... sorry for the disruption though...
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