Q&A - P1 Math
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re this qn in rulang pri p1 2010 sa1:
billy has some chickens and dogs. He has more chickens than dogs. the total number of legs both animals hve is 20. how many dogs does billy have?
the ans is 2 dogs.(and 6 chken)
but can the ans b 3 dogs (and 4 chken） also? -
24hr-mum:
I don't see why this answer is not acceptable..re this qn in rulang pri p1 2010 sa1:
billy has some chickens and dogs. He has more chickens than dogs. the total number of legs both animals hve is 20. how many dogs does billy have?
the ans is 2 dogs.(and 6 chken)
but can the ans b 3 dogs (and 4 chken） also?
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\"He has more chickens than dogs\" - Probably this could mean more in terms of legs too and not just heads. Then 6 Chicken=12 legs where as 4 CHicken =8 legs only.
Not sure if this is the explaination. :evil: -
libran269:
If that's the explanation it's crazy!!\"He has more chickens than dogs\" - Probably this could mean more in terms of legs too and not just heads. Then 6 Chicken=12 legs where as 4 CHicken =8 legs only.
Not sure if this is the explaination. :evil: -
actually its a lousy question. how can a P1 solve this, my hubby was asking. usu for guess n chk the total no. of animals is given. but for this question it isnt.
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24hr-mum:
actually its a lousy question. how can a P1 solve this, my hubby was asking. usu for guess n chk the total no. of animals is given. but for this question it isnt.
Agree!! -
24hr-mum:
It's a tricky question. It includes science knowledge and command of English.re this qn in rulang pri p1 2010 sa1:
billy has some chickens and dogs. He has more chickens than dogs. the total number of legs both animals hve is 20. how many dogs does billy have?
the ans is 2 dogs.(and 6 chken)
but can the ans b 3 dogs (and 4 chken） also?
The science/general knowledge portion is that the child must know chicken has 2 legs and dog has 4 legs. The command of English portion is that he has more chickens than dogs.
It is true that there's 2 possible solutions but the sentence \"more chickens than dogs\" means that the teacher is looking for the first answer.
Not easy for the child becos this is SA1, so just 2 terms into primary school, the child must think logicially and have a good grasp of the English language, know division and number bonds well plus heuristics solving method.
But at the same time I'm impressed by the question. Maybe I'm mountain turtle. heehee -
libran269:
I think it's the qty of the animal and not the legs\"He has more chickens than dogs\" - Probably this could mean more in terms of legs too and not just heads. Then 6 Chicken=12 legs where as 4 CHicken =8 legs only.
Not sure if this is the explaination. :evil:
I think the teachers want the students to infer from the total qty of legs. To an extent it does not matter if the total number of animals or legs are given, the process to solve it is the same. But by giving the number of legs instead of animals, it increases the difficulty abit. I find it's an interesting twist to the question. -
but if the ans is 3 dogs and 4 chickens, it is still MORE chkn than dogs, same as the case of 2 dog and 6 chkns leh
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oh ya, you got me there
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