Tips for improving in PSLE

[livewith_vanilla]

Well,ratio problems are supposed to be solved by ratio.I love using ratio but i'm always stuck at challenging questions that involve ratio.One quick(inaccurate) example is this: The marbles that A and B has is in the ratio 6:7. Then,124 marbles were added to the total and the ratio became 2:3.How many marbles were there at first? These kind of questions are common and its almost impossible to solve using model. If your dd knows how to use ratio to solve such challenging problems,then your dd should be alright if she wants to use model now as she still have the \"skills\" to apply the ratio method if she needs it.However,if she cannot solve using ratio,then she may face difficulty with the challenging questions.

Hope this helps.:)

Lynn2:

Hi Vanila

I understand that fraction is closely related to ratio.My girl refused using ratio to solve ratio prob but always use model to solve it instead.Do u forsee that she will zoom into bigger prob?thanks

livewith_vanilla:

[quote=\"Brenda10\"]Hi Lynn2

No choice. One of the P6 parents told us that “fraction” and “ratio” are the most crucial topics to grasp well otherwise the child would face bigger difficulties when the problem questions are getting more complicated later on. May be some P6 students can confirm the above.

Fraction,ratio and percentage are connected.Usually,if you can understand how to do one of the topics and are able to convert like say percentage to fraction,you can easily solve the problems.Drawing models is also helpful. In my opinion the few most crucial topics are volume,area and perimeter,speed,circles and percentage.

Hope this helps!

[/quote]

[Lynn2]

thanks.


I just show her the question.She agreed that cannot use model and must use ration.She says she has learned it in school...

livewith_vanilla:

Well,ratio problems are supposed to be solved by ratio.I love using ratio but i'm always stuck at challenging questions that involve ratio.One quick(inaccurate) example is this: The marbles that A and B has is in the ratio 6:7. Then,124 marbles were added to the total and the ratio became 2:3.How many marbles were there at first? These kind of questions are common and its almost impossible to solve using model. If your dd knows how to use ratio to solve such challenging problems,then your dd should be alright if she wants to use model now as she still have the \"skills\" to apply the ratio method if she needs it.However,if she cannot solve using ratio,then she may face difficulty with the challenging questions.
Hope this helps.:)

Lynn2:

Hi Vanila

I understand that fraction is closely related to ratio.My girl refused using ratio to solve ratio prob but always use model to solve it instead.Do u forsee that she will zoom into bigger prob?thanks
[quote=\"livewith_vanilla\"]Fraction,ratio and percentage are connected.Usually,if you can understand how to do one of the topics and are able to convert like say percentage to fraction,you can easily solve the problems.Drawing models is also helpful. In my opinion the few most crucial topics are volume,area and perimeter,speed,circles and percentage.

Hope this helps!

[/quote]

[CoffeeCat]

Lynn2 I can forsee that she will face problems when the numbers are bigger and "not nice" if she is using the pure model way. Why I say if is because sometimes model are drawn to understand the problem but the working might belong to other methods (like branching, a fraction method)

For example the famous Jim and Ken problem from last year psle, many models are drawn in many model solutions, but the technique they use is actually called forming an equation.

[Lynn2]

Thank you coffeecat for the pointers.



SCIENCE MCQ

For science mcq, I noticed that she is able to do the questions in structure form, but if you presented the same question in mcq form, she will pick the wrong answer.May I know what is the problem and how to rectify the problem?She is more of a language person than a logical person.thanks


rgds

CoffeeCat:

Lynn2 I can forsee that she will face problems when the numbers are bigger and \"not nice\" if she is using the pure model way. Why I say if is because sometimes model are drawn to understand the problem but the working might belong to other methods (like branching, a fraction method)
For example the famous Jim and Ken problem from last year psle, many models are drawn in many model solutions, but the technique they use is actually called forming an equation.

[kitty2]

I wonder whether the PSLE kids can use Algebra to solve the problems?


Thanks

[CoffeeCat]

Can as long as the student can present his workings properly to convince the markers that he/she knows what he /she is doing.

[kitty2]

CoffeeCat:

Can as long as the student can present his workings properly to convince the markers that he/she knows what he /she is doing.

:thankyou:

[Vanilla Cake]

livewith_vanilla:

Well,ratio problems are supposed to be solved by ratio.I love using ratio but i'm always stuck at challenging questions that involve ratio.One quick(inaccurate) example is this: The marbles that A and B has is in the ratio 6:7. Then,124 marbles were added to the total and the ratio became 2:3.How many marbles were there at first? These kind of questions are common and its almost impossible to solve using model. If your dd knows how to use ratio to solve such challenging problems,then your dd should be alright if she wants to use model now as she still have the \"skills\" to apply the ratio method if she needs it.However,if she cannot solve using ratio,then she may face difficulty with the challenging questions.

Hope this helps.:)

Lynn2:

Hi Vanila

I understand that fraction is closely related to ratio.My girl refused using ratio to solve ratio prob but always use model to solve it instead.Do u forsee that she will zoom into bigger prob?thanks
[quote=\"livewith_vanilla\"]Fraction,ratio and percentage are connected.Usually,if you can understand how to do one of the topics and are able to convert like say percentage to fraction,you can easily solve the problems.Drawing models is also helpful. In my opinion the few most crucial topics are volume,area and perimeter,speed,circles and percentage.

Hope this helps!

[/quote]Hi livewith_vanilla,
Could you pls advise the source of your question as there seems to be more than one possible correct answer and what do you mean by saying: \"One quick(inaccurate) example is this:........\" Pls also help to share your solution for this question as your feedback will be useful for my younger sister who will be taking PSLE in 2011.
Thanks.

[CoffeeCat]

By the way if the student wants to use algebra, must remember to write a statement defining all variables not stated explicitly in the question, otherwise there is the risk of marks deducted.

[ruyu]

CoffeeCat:

By the way if the student wants to use algebra, must remember to write a statement defining all variables not stated explicitly in the question, otherwise there is the risk of marks deducted.

yeah thats why i got 98/100 or else 99/100 :x :x :x :x