The blog postings are about the Singapore Math. The readers can learn from the postings on 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 learn the skills of dealing with Math Question Solving, Math Modeling and Problem Sums from Lower Primary School to Upper Primary School level after read the postings. This posting is a lower primary school math question on Problem Solving.
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Lower primary school mathematics question LPQ77
Hairu and Sarin had 140 stickers altogether. Fatimah had 120 stickers. She had 30 stickers more than Hairu. How many stickers does Sarin have?
The Math Model
The number of stickers that Hairu has = 120 – 30 = 90
The total number of stickers Hairu and Sarin have = 140
The number of stickers that Sarin has = 140 – 90 = 50