Category Archives: Problem solving

Hairu shares his stickers part 64 (Math Question)

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The blog postings are about the Singapore Math. The readers can learn from the postings about Solving the 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 will learn the skills of dealing with the Math Problem Solving, the Math Modeling and 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 Ratio and Problem Sum.

You can read the posting on Sarin learns the concept of Ratio (mathematics concept) to understand the concept of Ratio.

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

Upper primary school mathematics question UPQ519

Hairu has 140 fewer stickers than Sarin. If Hairu gives 30 stickers to Sarin, the ratio of the number of stickers he has to the number of stickers Sarin has will be 3 : 7. How many stickers do they have altogether?

…To click here to go to solution…

Sarin’s family and Ramadan 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 postings present the Math Concept, Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can learn the skills to deal with Math Modeling, Math Problem Solving and Problem Sum from Lower Primary School to Upper Primary School level. This posting is an upper primary school math question on Fraction, Algebra Expression and Problem Sum.

You can read the posting on Sarin’s family and Ramadan in Welcome page about story of Sarin’s family during Ramadan.

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

To read also the postings on Sarin learns the concept of Fraction (mathematics concept) to understand the concept of Fraction.

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

Upper primary school mathematics question UPQ518

During Ramadan, Sarin’s mother baked two types of cakes as the family contribution to the mosque for consume after breaking fast. She baked 24 more chocolate cakes than strawberry cakes. 2/3 of the chocolate cakes and ¾ of the strawberry cakes were consumed during dinner when breaking fast. At the end of the dinner, there were 71 cakes left.

(a) How many chocolate cakes did Sarin’s mother bake altogether?

(b) How many strawberry cakes did Sarin’s mother sell?

…Click here to read the solution…

A family in Singapore part 54 (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, the Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids will able to acquire knowledge of dealing with the Math Modeling, the Math Problem Solving and 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 FractionRatio and Problem Sum.

You can click here and read the posting  A family in Singapore about Sarin’s family.

Read the posting on Sarin learns the concept of Fraction (mathematics concept) to understand the concept of Fraction.

Read also the posting on Sarin learns the concept of Ratio in School (mathematics concept) to understand the concept of Ratio.

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

Upper primary school mathematics question UPQ516

Sarin and Hairu had given a sum as their allowance monthly by their mother. Sarin’s monthly allowance is $42 more than Hairu’s. Hairu spends $54 more than Sarin every month. Hairu’s savings is ½ of Sarin’s savings. If Sarin spends 3/7 of his allowance every month, what is his allowance for the entire year?

…You can click here to read the solution…

Sarin’s family attend concert at the Esplanade Part 31 (Math Question)

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The blog postings are about the Singapore Math. The readers can learn from the postings on 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 how to deal with the Math Modeling, the Math Problem Solving and the Problem Sum from Lower Primary School to Upper Primary School level. This posting is an upper primary school math question on  PercentageRatio and Problem Solving.

The story on Sarin’s family attend concert at the Esplanade you can read postings on Sarin’s family attend concert at the Esplanade in Welcome category and Sarin’s family attend concert at the Esplanade Part 2 (Math Question).

You should read also the posting on Sarin learns concept of ratio in school to understand mathematics concept of Ratio.

Read also the posting on Sarin learns Average Number, Percentage and and Charting in school (Math Concept) to understand the concept of Percentage.

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

Upper primary school mathematics question UPQ514

In the Esplanade Library, At first, the ratio of the number of adults to the number of children was 3 : 2 at first and the ratio of the number of boys to the number of girls was 1 : 3. There were 294 more adults than girls. In the afternoon, some more children visited the Esplanade Library. After that, 80 % of the people were children. How many more children visited the Esplanande Library in the afternoon?

Click to read the answer

Sarin’s family in Kluang part 21 (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 and Problem solving.

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

Read the posting on Sarin 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 UPQ512

Sarin, Hairu and Fatimah were ready to travel to Kluang for their holiday. They packed their carrying bags. Sarin’s carrying bag weighed m kg. Fatimah’s carrying bag weighed 5 kg less than Sarin’s carrying bag. Hairu’s carrying bag was twice as heavy as Sarin’s. What is the total mass of their carrying bag?

…Click here to read the solution…

Sarin’s family in Kluang part 20 (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 Fraction, Ratio and Problem solving.

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

You can read the posting on Sarin learns concept of ratio in school to understand the concept of Ratio.

You can also read the posting on Sarin learns the concept of Fraction (mathematics concept) to understand Portion or Fraction.

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

Upper primary school mathematics question UPQ511

Sarin’s family visited the Popular Book Co. in Kluang Mall during their visit to Kulang. In Popular Book Co., Fatimah bought an equal number of erasers and markers. She spent ½ of his money on markers and 1/5 of the remaining money on erasers. She could buy 24 erasers with the money left.

(a) How many markers did she buy?

(b) If each eraser is $1 cheaper than each marker, how much did she spend on markers?

…Click here to read the solution…

Sarin and his coin bank part 50 (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 Math problem solving and 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 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 UPQ510

Sarin and Fatimah have a sum of money each in their coin bank. When Sarin gives $126 to Fatimah, he has 3 times as much money as Fatimah. When Sarin gives another $46 to Fatimah, he has $266 more than Fatimah. How much money does Fatimah have at first?

…Click to know the solution…

Sarin and his coin bank part 49 (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 Math problem solving and 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 Ratio and Problem Solving.

You can read the posting on Sarin and his coin bank for the story of coin bank.

Read the posting on Sarin learns concept of ratio in school to understand Ratio.

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

Upper primary school mathematics question UPQ509

Sarin has 18 coins in his coin bank. He has 6 more coins than Hairu and 12 fewer coins than Fatimah. Find the ratio of the number of Sarin’s coins to the number of Hairu’s coins to the number of Fatimah’s coins.

…Click to know the solution…

Fatimah and Hairu enjoy Congkak game part 30 (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 aquire the skills of dealing with the Math Modeling, the Math Problem Solving and 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 AlgebraRatio and Problem Sum.

Read the posting on Fatimah and Hairu play Congkak to know about Congkak game.

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

Read also the posting on Sarin learns the concept of Ratio (mathematics concept) to understand Ratio.

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

Upper primary school mathematics question UPQ507

After a congkak game, Hairu and Fatimah each has a certain number of marbles. If Fatimah gives Hairu 40 marbles, Hairu will have twice as many marbles as Fatimah. If Hairu gives Fatimah 40 marbles, Fatimah will have thrice as many marbles as Hairu. How many more marbles does Fatimah have than Hairu?

…Click here to read the solution…

Sarin’s family attend concert at the Esplanade Part 29 (Math Question)

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The blog postings are about the Singapore Math. The readers can learn from the postings on 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 how to deal with the Math Modeling, the Math Problem Solving and the Problem Sum from Lower Primary School to Upper Primary School level. This posting is an upper primary school math question on FractionRatio, Algebra and Problem Sum.

The story on Sarin’s family attend concert at the Esplanade you can read postings on Sarin’s family attend concert at the Esplanade in Welcome category and Sarin’s family attend concert at the Esplanade Part 2 (Math Question).

Click and read the posting on Sarin learns the concept of Fraction (mathematics concept) to understand Portion or Fraction.

You should read also the posting on Sarin learns concept of ratio in school to understand mathematics concept of Ratio.

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

Upper primary school mathematics question UPQ503

There were 160 novels and comics on a shelf of the Esplande Library. When 2/5 of the novels and 2/3 of the comics were borrowed by the library users, the total number of novels and comics left on the shelf became 72. How many novels were there on the shelf at first?

…Click here to go to the solution…