# Hairu shares his stickers part 48 (Math Question)

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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 Average Number and Problem Sum.

You should read the posting on Sarin learns Average Number, Percentage and Charting in school (Math Concept) to understand Average Number.

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

Upper primary school mathematics question UPQ407

Hairu and Sarin have an average of 19 stickers. Fatimah and Hairu have an average of 26 stickers. Find the difference in the number of stickers between Fatimah and Sarin.

Solution:

The total number of stickers that Hairu and Sarin have = 19 × 2 = 38

The total number of stickers that Fatimah and Hairu have = 26 × 2 = 52

The difference in the number of stickers between Fatimah and Sarin = 52 – 38 = 14

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