Hi! I would appreciate if anyone from Y4 this year can pm me the list of Year 4 math topics. My son’s math is not strong so he would like to go through the topics for the first two terms during holidays.

Thank you.

Hi, starting this week I can’t drop my son at the lower sec gate, any idea why is this so? Thanks.

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Thanks for the answer!

Kindly help another qn..thanks!

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Hi, kindly help me on the above qn..thanks!

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Hi all, please help with the above question. Thanks!

Thanks for the answers Dr Peng and Mathagog!

Can someone help me with the below math question:


A shipping company transported 100 vases to another country for Miss Shanti. It charged $15 for each vase safely transported and will pay Miss Shanti $20 for every broken vase. If Miss Shanti paid a total of $1,220 to the shipping company, how many of the vases are broken?

Thank you.

Can someone help me with the below math question:


A shipping company transported 100 vases to another country for Miss Shanti. It charged $15 for each vase safely transported and will pay Miss Shanti $20 for every broken vase. If Miss Shanti paid a total of $1,220 to the shipping company, how many of the vases are broken?

Thank you.

guest2013:

december21:

A charity gave a group of children red packets during the Chinese New Year. If they gave each child $10, then 12 children would not get the red packets. If they gave each child $6, there would be a remaining sum of $80. How many red packets were given out?

Suggested answer:

Assuming no of children getting $10 red packets = X
By reducing $4 each from X, the total amount is $152 (ie. $6 x 12 children + $80 remaining)

Therefore, X = $152 / $4 = 38

Total children will be:
38 + 12 = 50

50 red packet of $6 was given out

Thank you for your suggested answer. Your answer is correct.

The method suggested by the book is as below:

Shortage= 12 x $10 = $120
Excess= $80
$120+$80 = $200
Difference in the amount of money for each red packet = $10-$6=$4
$200 / $4 = 50
50 red packets were give out.

May I know which is easier to apply? I'm so sorry but I am still quite blur on both methods.. :?

Hi, can someone help on the above question? Thanks.