The blog postings are about the Singapore Math. The readers can learn from the postings on 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 learn how to deal with the Math Modeling, the Math Problem Solving and the Problem Sum from Lower Primary School to Upper Primary School level. This posting is an upper primary school math question on Ratio, Fraction and Problem Sum.

The story on Sarin’s family attend concert at the Esplanade you can read postings on **Sarin’s family attend concert at the Esplanade** in Welcome category and **Sarin’s family attend concert at the Esplanade Part 2 (Math Question)****.**

You should click and read the posting on **Sarin learns the concept of Fraction (mathematics concept)** to understand Portion or Fraction.

You should read also the posting on **Sarin learns concept of ratio in school** to understand mathematics concept of Ratio.

**Upper primary school mathematics question UPQ482**

In the Esplanade concert hall, there were 4/5 as many boys as girls and 2/3 as many adults as children. There were 120 more adults than boys.

(a) How many people were there in the Esplande concert hall?

(b) What fraction of the people in the Esplande concert hall were children?

…Click here to go to the solution…

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