The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics. You or your kids can learn dealing with Math modeling, Problem Sum from Lower Primary School to Upper Primary School level in Singapore school. This posting is a primary school math question on Average Number, Math Modeling, and Problem Sum.

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

Upper primary school mathematics question UPQ180

Hairu has 64 stickers more than Sarin. If the average number of stickers each boy has is 264, how many stickers does Sarin have?

Solution:

Drawing the model

Start the model with average number of stickers than work out based on the different number of stickers

From the model

2 units = 64

1 unit = 32

Sarin has 264 – 32 = 232 stickers

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