The blog postings are about the Singapore Math. The readers can learn from the postings about Solving Singapore Primary School Mathematics. The blog presents the Math Concept, the Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids will able to acquire knowledge of dealing with the Math Modeling, the Math Problem Solving and the Problem Sum from Lower Primary School to Upper Primary School level after read the blog postings. This posting is an upper primary school math question on Fraction and Problem Sum.

Read the posting on **Sarin’s family took a train** about Sarin’s family had their train ride from Singapore Tanjong Pagar Train Station.

Read the posting on** Sarin’s family in Kluang **about Sarin’s family venture in Kluang.

To read also the posting on **Sarin learns the concept of Fraction (mathematics concept)** to understand the concept of Fraction.

*Challenge yourself with the question before look for the given solution‼!*

**Upper primary school mathematics question UPQ388**

Sarin’s family on boarded the train with some passengers at Singapore Woodlands Station. When the train arrived at JB Central Station, ½ of the passengers alighted and 22 passengers came on board. When the train reached Kluang Station, ¼ of the passengers alighted. If there were 27 passengers on the train now,

a. how many passengers alighted at Kluang Station?

b. how many passengers were travelling on the train at first?

Solution:

At Kluang Station, ¼ of the passengers alighted

¾ fraction of passengers = 27

From the model,

3 units = 27

1 unit = 9

The number of passengers alighted at Kluang Station =9

Total number of passengers travelled to Kluang Station = 9 + 27 = 36

At JB Central Station, ½ of the passengers alighted and 22 came on board

The number of passengers on the train to Kluang Central Station that on board from Woodlands Station = 36 – 22 = 14

The number of passengers were travelling on the train at first = 2 × 14 = 28

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