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 can acquire the skills to deal with the Math Modeling, the Math Problem Solving and the Problem Sum from Lower Primary School to Upper Primary School level after reading the blog postings. This posting is an upper primary school math question on Fraction and Problem Sum.

You can read the postings on **Sarin’s family celebrating Hari Raya Puasa** and **Sarin’s family and Ramadan** in Welcome page about story of Sarin’s family during Ramadan and Hari Raya Puasa.

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 out for the given solution‼*

**Upper primary school mathematics question UPQ416**

Sarin and Hairu decided to buy a gift for their family to celebrate Hari Raya Puasa. They agreed to share the cost of the gift. Hairu paid only $15 and Sarin paid $12 more than 2/5 of the cost of the gift. How much did the gift cost?

Solution:

Start the model with five equal parts and Sarin paid $12 more than 2/5 fraction of the cost and $15 paid by Hairu

The model

From the model

3 units = 12 + 15 = 27

1 unit = $9

The cost of the gift = 5 × 9 = $45

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