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 UPQ430**

Hairu had some stickers. He gave 18 stickers to Fatimah and 5/7 of the stickers to Sarin. Then, he used 3/4 of the remainder for his project and had 35 stickers left. How many stickers did he have at first?

Solution:

Draw the stickers’ flow diagram

From the stickers flow

The 1/4 fraction of the remainder is 35 stickers

1 unit = 35

The reminder stickers = 4 × 35 = 140

The 2/7 fraction of Hairu stickers = 140 + 18 = 158 stickers

2 units = 158

1 unit = 79 stickers

The number of stickers Hairu has at first = 7 × 79 = 553

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