P2 Math - General Discussion

[caroline3sg]

answer:

a) 355 - 56 = 299
b) 299 + 44 = 343

[corneyAmber]

mowmow:

So ks2me, going by your interpretation, does it mean that ans to (a) is 355-56 = 299 while ans to (b) 355 ?

No, going by my interpretation, answer is the same as Chief and caroline3sg.

Also, just to share, if I am confident my answer is right, I will not hesitate to flag it out to the teacher. So far, teachers are grateful mistakes are pointed out because it has bearing on more than one class when the answer is wrong. My child just did that recently and the teacher was delighted that my child got it right on her own and the teacher was using answer sheet. So if you find our answers different from standard, please check with the teachers again. Even if it is assessment book questions, their answers could be wrong too and if you are concerned enough, you should flag out to the publisher and then the author of the book. Otherwise year on year they will reprint the wrong answers.

[drickymummy]

Jolyn:

Dear all


I have a math question as follows:

Jenny and Jonathan collected stamps.
Jenny had 355 stamps.
She exchanged 56 stamps with Jonathan.
Jonathan exhanged 44 stamps with her.
a) How many stamps did Jenny have after giving some stamps to Jonathan?
b) How many stamps did Jenny have finally?

Appreciate if anyone could advise on the above.

Hi Jolyn,

Just curious abt what is the correct answer that your child's teacher had given the kids??

Btw, if \"exchange\" means 1 for 1, that shd means that there is no changes at all right??

I hate maths..Urgh!!! I will also check with my boy tonight on this question.

Thanks!!

Drickymummy

[Andaiz]

Jolyn:

Dear all


I have a math question as follows:

Jenny and Jonathan collected stamps.
Jenny had 355 stamps.
She exchanged 56 stamps with Jonathan.
Jonathan exhanged 44 stamps with her.
a) How many stamps did Jenny have after giving some stamps to Jonathan?
b) How many stamps did Jenny have finally?

Appreciate if anyone could advise on the above.

I agree...exchange means to barter (i.e., equal value) but stamps are stamps right? And we'd have thought they'd exchange EQUAL value, not necessary in numbers. Not sure if the P1/P2 kids can understand this :roll:

Haha. But if the questions were:

Jenny and Jonathan collected stamps.
Jenny had 355 stamps.
She gave 56 stamps to Jonathan and, in exchange Jonathan gave 44 stamps toher.
a) How many stamps did Jenny have after giving some stamps to Jonathan?
b) How many stamps did Jenny have finally?


Then the working is two-stepped and guided:
(a) 355- 56 = 299
(b) 299 + 44 = 343 QED??

I'll go ask DD1.

[rascal.05121work]

Hi

can anyone help me how to improve my girl’s literacy skills in understanding Pri 1 maths questions especially Section C. She scored 0 for Section C in recent test but if I read to her she can answered all questions correctly!

[Andaiz]

Ang Joanne:

...how to improve my girl's literacy skills in understanding Pri 1 maths questions especially Section C. She scored 0 for Section C in recent test but if I read to her she can answered all questions correctly!

Sounds like that she's an audio learner - same like DD1.

What I've done with her is to read the question out loud (ok, not so loud in the classroom context)...then translate to a \"subtraction/addition/multiplication/division sentence\". Then guide her to check - which is bigger/smaller? or who has more/less? Sometimes need to get them to read and interpret mathematically.

[tamarind]

drickymummy:

Hi Jolyn,


Just curious abt what is the correct answer that your child's teacher had given the kids??

Btw, if \"exchange\" means 1 for 1, that shd means that there is no changes at all right??

I hate maths..Urgh!!! I will also check with my boy tonight on this question.

Thanks!!

Drickymummy

I agree that exchange means 1 for 1. I used to exchange stamps as a child, and I definitely don't have increase or decrease in the number of stamps that I owned when I exchange !

Why can't the teacher just say give away and receive ?

It is definitely very important to make sure that kids can read very well before entering P1. But then if they encounter Maths teachers who write this kind of English, I will vomit blood !

[Jennifer]

P2 Shaping Maths coursebook 2B: Geometry, page 125: The pictures below are made up of some of these shapes: triangle, rectangle, quarter circle, square, semicircle. Name the shapes in each picture.


My younger boy has problems with such exercises. What can I do to help increase his understanding?

TIA

[rocklee]

My P2 son is very confused over the topic on "TIME". So far he is able to tell and write down the time correctly. He is also able to tell 1 hour / 30 mins before or after certain time. However, he starts to get confused when there are two clock faces with the right/left arrow in between and he has to fill in "Before / After". I get confused with the right and left arrow too. He is also confused as to how to calculate the difference in time. Any parent encounter this problem? What is the most effective way to explain this topic?

[vlim]

joconde:

mowmow:

[quote=\"Jolyn\"]Dear all


I have a math question as follows:

Jenny and Jonathan collected stamps.
Jenny had 355 stamps.
She exchanged 56 stamps with Jonathan.
Jonathan exhanged 44 stamps with her.
a) How many stamps did Jenny have after giving some stamps to Jonathan?
b) How many stamps did Jenny have finally?

Appreciate if anyone could advise on the above.

Hi,

I think the question did not sound logical. Did Jenny exchange or give stamps with/to Jonathan? The story said \"exchanged\" while the question said \"gave\". So conflicting. If it was exchange, then Chiefkiasu's solution is correct.

It seems to me that the person who came out with this question lacks basic written communication skills and is incapable of presenting a problem clearly -- without causing confusion. I also find such problem with my child's school, both Math and Science. Maybe it's time MOE brush up subject teacher's communication skills ![/quote]'
aiyo yo isn't 'exchange' means i give u two and u give back two to me..... then so end up the both answer is still 355
.... the teacher who set this qn is either trying to be tricky (which I don't think so) or got language problem. :siao: