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, Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can acquire the skills to deal with Math Modeling, Math Problem Solving and 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 and Problem Sum.
Read the posting on Sarin learns Symbol, Algebra and Equation in school (Math Concept) to understand the concept of Algebra.
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Upper primary school mathematics question UPQ382
Hairu took out (20y + 2) pieces of Kueh Lapis from the kitchen to serve their relatives during Hari Raya Puasa open house. He gave 4 pieces of Kueh Lapis to each of their relatives and had 4y pieces of Kueh Lapis left. How many relatives visited them at open house?
He left with 4y pieces of Kueh Lapis
The number of Kueh Lapis given to relatives = 20y + 2 – 4y = 16y + 2
Each relative had 4 pieces of Kueh Lapis
The number of relatives = (16y + 2)/4 = (4y + ½)