Sarin’s family in Kluang part 16 (Math Question)

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The blog postings are about the Singapore Math. The readers can learn from the postings about 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 can learn the skills of dealing with the Math Modeling, 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 Algebra.

Read the posting on Sarin’s family in Kluang about Sarin’s family venture in Kluang.

Read the posting onSarin learns Symbol, Algebra and Equation in school (Math Concept) to understand the concept of Algebra.

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

Upper primary school mathematics question UPQ477

At a shop house in Kluang, 3 Kitty toys is selling at $x. How much will Sarin’s mother have to pay for 9 Kitty toys?

Solution:

            3 kitty toys ==> $x

            (3 + 3) = 6 kitty toys ==> x + x = $2x

            (3 + 3 + 3) = 9 kitty toys ==> x + x + x = $3x

            Or,

            3 × 3 = 9 kitty toys ==> 3 × x = $3x

            Sarin’s mother to pay $3x for 9 Hello Kitty toys

Alternative solution:

            3 kitty toys cost $x

            The cost of each kitty toys = x ÷ 3 = $ x/3

            Sarin’s mother to buy 9 kitty toys

            The amount that Sarin.s mother need to pay = 9 ÷ x/3 = $3x

 More Questions on Algebra. Click here…..

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