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 can learn the skills of dealing with Math Modeling, 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 Solving.
You can read the posting on Sarin and his coin bank for the story of coin bank.
Challenge yourself with the Question before look out for the given solution‼!
Upper primary school mathematics question UPQ348
Sarin, Hairu and Fatimah saved $49. Hairu saved twice as much money as Sarin. Fatimah saved twice as much money as Hairu. How much money did Sarin save?
Take the money that Sarin had as 1 unit
Hairu saved twiced as much as Sarin
The money that Hairu saved = 1 × 2 = 2 units
Fatimah saved twice as much as Hairu
The money that Fatimah saved = 2 × 2 = 4 units
The math model
The total number of units = 7 units
They saved $49 in total
7 units = 49
1 unit = $7
The money that Sarin saved = $7