Hairu shares his stickers part 69 (Math Question)

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The blog postings are about the Singapore Math. The readers can learn from the postings about Solving the 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 Problem Sum.

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

Upper primary school mathematics question UPQ530

Sarin has 3286 stickers and Hairu has 2008 sticks. How many stickers must Sarin give to Hairu so that Hairu will have 178 more stickers than him?

Solution:

Sarin has 3286 stickers and Hairu has 2008 stickers

Their differences in stickers = 3286 – 2008 = 1278

If they got to have equal number of stickers,

Then,

1278 ÷ 2 = 639

Since, Hairu have 178 more stickers than Sarin finally,

178 ÷ 2 = 89

The number of stickers Sarin to give to Hairu = 639 + 89 = 728

Alternative solution:

Using model,

UPQ530-1

The total number of stickers = 3286 + 2008 = 5294

Finally, Hairu has 178 more stickers than Sarin,

From the model,

2 units = 5294 – 178 = 5116

1 unit = 2558

The number of stickers Sarin has finally = 2558

The number of stickers Sarin to give to Hairu = 3286 – 2558 = 728

  More Questions on Problem Sum. Click here….

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