Hairu and the numbers part 15 (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 presenting the Math Concept, Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids will acquire the skills to deal with Math Modeling, Problem Sum from Lower Primary School to Upper Primary School level after reading the postings. This posting is a lower primary school math question on Number.

To read  the mathematics concept for Numbers read the posting on Hairu and the numbers.

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

Lower primary school mathematics question LPQ62

Hairu needs to multiply a number by 4 then add 6 to it and writes down the answer. Instead he added 6 to it then multiplied by 4. The answer he got is 36. What should be the correct answer?

Solution:

First find the number

36 ÷ 4 = 9

9 – 6 = 3

The number is 3

Find the answer by compute the number as need to

The correct answer = 3 × 4 + 6 = 12 + 6 = 18