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Friday, December 9, 2022
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HOW TO SOLVE THE PSLE MATHS QUESTION WHICH BECAME A HOT TOPIC

The PSLE maths question has been a hot topic among parents after many people said that the questions were too difficult for primary school students.

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However, some parents pointed out that it is not as hard as imagined. Some parents felt that it is a secondary school question as it might require inverse proportional algebra to solve.

Here is the question:

Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. These coins had a 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? (2)

(b) given that each 50-cent coin is 2.7g heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms? (2)

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But there is more than 1 way to solve the problem, a man on Facebook posted his logical method of solving the question instead of using algebra.

The answers as follows:

Image Source: Ming Siu

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