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 will learn the skills of dealing with the Math Problem Solving, the Math Modeling 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 posting on **Sarin learns the concept of Fraction (mathematics concept)** to understand the concept of Fraction or Portion.

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

**Upper primary school mathematics question UPQ471**

Hairu, Sarin and Fatimah had a collection of 1 112 stickers. ¼ of Hairu’s sticker collection was 28 stickers more than ½ of Sarin’s collection. Fatimah’s sticker collection is 1/3 of Sarin’s sticker collection. How many stickers did each of them have?

Solution:

¼ of Hairu’s stickers was 28 more than ½ of Sarin’s stickers

Draw the math model

Per the model

20 units = 1112 – 4 × 28 = 1000

1 unit = 50

The number of stickers that Sarin has = 6 × 50 = 300

The number of stickers that Hairu has = 12 × 50 + 4 × 28 = 712

The number of stickers that Fatimah has = 2 × 50 = 100

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