2022 PSLE Discussions & Strategies (born in 2010)

[Liew Nga Wing]

lee_yl\" post_id=\"2044890\" time=\"1636027608\" user_id=\"17023:

:rotflmao:
I have been through two PSLE with my kids a few years back and the high level of stress turned my hair white!

So when govt announced PSLE reform to AL Banding, I really hope to see future P6 students and their parents less stressful than what I had been through. If after all the reforms, the P6 students and their parents are still as stressed, then the reform is in name only and nothing had really changed.

Whether it is stressful is not only depend on the Reforms of the system, it is on the parents themselves.

I explained this morning in other topic, my husband and I never felt any stress when my step son sat for PSLE last time because we prepared him to go for N level as my husband wanted him to have more time to complete his secondary. My step son has already graduated from SIM University as Electrical Engineer.

[Veyron]

Liew Nga Wing\" post_id=\"2044904\" time=\"1636034302\" user_id=\"195250:[quote=\"Liew Nga Wing\" post_id=2044904 time=1636034302 user_id=195250]

lee_yl\" post_id=\"2044890\" time=\"1636027608\" user_id=\"17023:

Whether it is stressful is not only depend on the Reforms of the system, it is on the parents themselves.

I explained this morning in other topic, my husband and I never felt any stress when my step son sat for PSLE last time because we prepared him to go for N level as my husband wanted him to have more time to complete his secondary. My step son has already graduated from SIM University as Electrical Engineer.

You are absolutely right, which is why I always say that parents who speak very loudly against PSLE stress are often those who are trying very hard to send their children to best possible secondary school. Which also mean putting their child in a more competitive and stressful environment after PSLE.

[Veyron]

MrsKiasu\" post_id=\"2044903\" time=\"1636034032\" user_id=\"43981:

Just curious..is there answer for Helen & Ivan qn.

Pls ignore..I go Google..

Managed to find a solution using pure algebra?

[floppy]

Veyron\" post_id=\"2044897\" time=\"1636032263\" user_id=\"30663:

Parents need to be mindful when trying to introduce algebra to P6es because the algebra they are taught in school are very basic and they are not equipped to solve challenging math problems using algebra.

Those who swear by the algebra being the gold standard, can you demonstrate how to solve this PSLE question

Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. Helen's coins had a total mass of 1.134kg. Ivan had a number of 50-cent coins and 104 20-cent coins.

(a) Who has more money in coins and by how much?
(b) Given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan's coins in kilograms?\"

Let x be the number coins.

Helen has
[(x-64)*0.5 + 64*0.2]
= 0.5x - 32 + 12.8
= $(0.5x -19.2) in coins... (1)

Ivan has
[(x-104)*0.5 + 104*0.2]
= 0.5x - 52 + 20.8
= $(0.5x - 31.2) in coins... (2)

Comparing (1) and (2), Helen has more money in coins.
She has [(0.5x -19.2) - (0.5x -31.2)]
= 0.5x - 19.2 - 0.5x + 31.2
= $12 more in coins.

By the way, the last part has nothing to do with algebra.
Given that Helen and Ivan has the same number of coins (x), Helen must have 40 more 50 cents coins than Ivan (104 - 64).
Therefore, Ivan coins would weight [1.134 - (40 x 2.7)]
= 1.134 - 0.108
= 1.026 kg

Thank you. You are welcome.

[MrsKiasu]

floppy\" post_id=\"2044907\" time=\"1636035008\" user_id=\"97579:

Veyron\" post_id=\"2044897\" time=\"1636032263\" user_id=\"30663:

Parents need to be mindful when trying to introduce algebra to P6es because the algebra they are taught in school are very basic and they are not equipped to solve challenging math problems using algebra.

Those who swear by the algebra being the gold standard, can you demonstrate how to solve this PSLE question

Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. Helen's coins had a total mass of 1.134kg. Ivan had a number of 50-cent coins and 104 20-cent coins.

(a) Who has more money in coins and by how much?
(b) Given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan's coins in kilograms?\"

Let x be the number coins.

Helen has
[(x-64)*0.5 + 64*0.2]
= 0.5x - 32 + 12.8
= $(0.5x -19.2) in coins... (1)

Ivan has
[(x-104)*0.5 + 104*0.2]
= 0.5x - 52 + 20.8
= $(0.5x - 31.2) in coins... (2)

Comparing (1) and (2), Helen has more money in coins.
She has [(0.5x -19.2) - (0.5x -31.2)]
= 0.5x - 19.2 - 0.5x + 31.2
= $12 more in coins.

By the way, the last part has nothing to do with algebra.
Given that Helen and Ivan has the same number of coins (x), Helen must have 40 more 50 cents coins than Ivan (104 - 64).
Therefore, Ivan coins would weight [1.134 - (40 x 2.7)]
= 1.134 - 0.108
= 1.026 kg

Thank you. You are welcome.

Wow thank you, nice..algebra will be more prone to mistakes for some kids? think there is a reason to teach kids on model mtd..interesting.

[MrsKiasu]

Floppy, do you think there are chances that the x cant be zerolised?

[Zeal mummy]

:goodpost:

AHsDad\" post_id=\"2044776\" time=\"1635985096\" user_id=\"172457:

1) Look back to the news. ST articles are on parents’ reactions, a forum writer and finally the SEAB reply to forum writer. All except the SEAB reply are opinions

2) whether 2021 maths was easier or harder is subjective. There are tutors interviewed who say roughly same standard. Some kids say harder while some, like my daughter and most her school peers, felt it similar to the psle papers of the previous years. Heard from grapevine that some exam markers deemed it slightly harder though 🤷🏽‍️

3) Algebra has always been allowed. As long as kid can display understanding in the workings = accepted. Models working is more widespread and gives an added perpective to kids’ learning. Although I train my daughter in Algebra, she prefers models which is more systematic to her. It’s a good thing

4) for several years now, there was always 1-2 Olympiad style questions in psle. Would encourage future psle takers to try out Olympiad books cos there are some useful techniques. don’t force lah cos u won’t be left behind if don’t do Olympiad questions, but just that it may prove helpful.

[floppy]

MrsKiasu\" post_id=\"2044908\" time=\"1636035400\" user_id=\"43981:

floppy\" post_id=\"2044907\" time=\"1636035008\" user_id=\"97579:

[quote=Veyron post_id=2044897 time=1636032263 user_id=30663]Parents need to be mindful when trying to introduce algebra to P6es because the algebra they are taught in school are very basic and they are not equipped to solve challenging math problems using algebra.

Those who swear by the algebra being the gold standard, can you demonstrate how to solve this PSLE question

Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. Helen's coins had a total mass of 1.134kg. Ivan had a number of 50-cent coins and 104 20-cent coins.

(a) Who has more money in coins and by how much?
(b) Given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan's coins in kilograms?\"

Let x be the number coins.

Helen has
[(x-64)*0.5 + 64*0.2]
= 0.5x - 32 + 12.8
= $(0.5x -19.2) in coins... (1)

Ivan has
[(x-104)*0.5 + 104*0.2]
= 0.5x - 52 + 20.8
= $(0.5x - 31.2) in coins... (2)

Comparing (1) and (2), Helen has more money in coins.
She has [(0.5x -19.2) - (0.5x -31.2)]
= 0.5x - 19.2 - 0.5x + 31.2
= $12 more in coins.

By the way, the last part has nothing to do with algebra.
Given that Helen and Ivan has the same number of coins (x), Helen must have 40 more 50 cents coins than Ivan (104 - 64).
Therefore, Ivan coins would weight [1.134 - (40 x 2.7)]
= 1.134 - 0.108
= 1.026 kg

Thank you. You are welcome.

Wow thank you, nice..algebra will be more prone to mistakes for some kids? think there is a reason to teach kids on model mtd..interesting.[/quote]No. I don’t think one will be more prone to mistakes in one method or another if they are equally well versed in both. The problem with algebra is having a statement that includes a variable like Helen has $(0.5x -19.2). I think some kids will have some discomfort not having a “whole number” or stating the variable as part of an answer.

[MrsKiasu]

floppy\" post_id=\"2044911\" time=\"1636035906\" user_id=\"97579:

MrsKiasu\" post_id=\"2044908\" time=\"1636035400\" user_id=\"43981:

[quote=floppy post_id=2044907 time=1636035008 user_id=97579]

Let x be the number coins.

Helen has
[(x-64)*0.5 + 64*0.2]
= 0.5x - 32 + 12.8
= $(0.5x -19.2) in coins... (1)

Ivan has
[(x-104)*0.5 + 104*0.2]
= 0.5x - 52 + 20.8
= $(0.5x - 31.2) in coins... (2)

Comparing (1) and (2), Helen has more money in coins.
She has [(0.5x -19.2) - (0.5x -31.2)]
= 0.5x - 19.2 - 0.5x + 31.2
= $12 more in coins.

By the way, the last part has nothing to do with algebra.
Given that Helen and Ivan has the same number of coins (x), Helen must have 40 more 50 cents coins than Ivan (104 - 64).
Therefore, Ivan coins would weight [1.134 - (40 x 2.7)]
= 1.134 - 0.108
= 1.026 kg

Thank you. You are welcome.

Wow thank you, nice..algebra will be more prone to mistakes for some kids? think there is a reason to teach kids on model mtd..interesting.

No. I don’t think one will be more prone to mistakes in one method or another if they are equally well versed in both. The problem with algebra is having a statement that includes a variable like Helen has $(0.5x -19.2). I think some kids will have some discomfort not having a “whole number” or stating the variable as part of an answer.[/quote]Yup true not the mtd prone it is the child..like mine very likely will have error.

[Zeal mummy]

MrsKiasu\" post_id=\"2044908\" time=\"1636035400\" user_id=\"43981:

floppy\" post_id=\"2044907\" time=\"1636035008\" user_id=\"97579:

[quote=Veyron post_id=2044897 time=1636032263 user_id=30663]Parents need to be mindful when trying to introduce algebra to P6es because the algebra they are taught in school are very basic and they are not equipped to solve challenging math problems using algebra.

Those who swear by the algebra being the gold standard, can you demonstrate how to solve this PSLE question

Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. Helen's coins had a total mass of 1.134kg. Ivan had a number of 50-cent coins and 104 20-cent coins.

(a) Who has more money in coins and by how much?
(b) Given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan's coins in kilograms?\"

Let x be the number coins.

Helen has
[(x-64)*0.5 + 64*0.2]
= 0.5x - 32 + 12.8
= $(0.5x -19.2) in coins... (1)

Ivan has
[(x-104)*0.5 + 104*0.2]
= 0.5x - 52 + 20.8
= $(0.5x - 31.2) in coins... (2)

Comparing (1) and (2), Helen has more money in coins.
She has [(0.5x -19.2) - (0.5x -31.2)]
= 0.5x - 19.2 - 0.5x + 31.2
= $12 more in coins.

By the way, the last part has nothing to do with algebra.
Given that Helen and Ivan has the same number of coins (x), Helen must have 40 more 50 cents coins than Ivan (104 - 64).
Therefore, Ivan coins would weight [1.134 - (40 x 2.7)]
= 1.134 - 0.108
= 1.026 kg

Thank you. You are welcome.

Wow thank you, nice..algebra will be more prone to mistakes for some kids? think there is a reason to teach kids on model mtd..interesting.[/quote]Yes, the reason is that the model method is much shorter and easier to use on this sort of questions for children. And it is also easier to learn as they are more visual.

Years ago, quite a lot of children had difficulty learning algebra. The ministry did some study and research before implementing the model method. It is useful for young children in primary school. I think because they teach model method, they want to test model method. The only way is to have questions that are easier to solve using model method. (Else everyone use algebra) A well-learned kid will use model instead as it’s more efficient… less careless mistakes compared to using algebra, which can be complicated to some children.