Category Archives: Problem solving

Sarin’s family and Ramadan Part 19 (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 Percentage 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.

To read also the posting 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 UPQ557

Ramadan is the period of giving back and caring of the elderly. Sarin’s mother baked a total of 130 vanilla and chocolate cookies for giving back during the dinner gathering in the mosque. ½ of the vanilla cookies were 10 less than 1/3 of the chocolate cookies. How many chocolate cookies did Sarin’s mother baked?

…Click here to read the solution…

Sarin’s family celebrating Hari Raya Puasa 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 acquire the skills to deal 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 RatioFraction and Problem Sum.

You can read the postings on Sarin’s family celebrating Hari Raya Puasa and Sarin’s family and Ramadan in Welcome page about story of Sarin’s family during Ramadan and Hari Raya Puasa.

To read also the posting on Sarin learns concept of ratio in school to understand the concept of Ratio and the posting 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 UPQ555

There were groups of friends and relatives visiting Sarin’s family during the day of Hari Raya.

The ratio of the number of friends and relatives visited them in the morning to that of in the afternoon is 2 : 3.

The number of friends and relatives visited them in the evening is twice that of the morning and there are 20 more friends visited them in the evening than in the afternoon.

How many friends and relatives are there in evening?

…Click here to read the solution…

Sarin’s family and The Great Singapore Sale Part 16 (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 acquire the skills to deal 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 Fraction and Problem Sum.

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

Read the posting on Sarin’s family and The Great Singapore Sale in the Welcome category for the story.

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

Upper primary school mathematics question UPQ547

During the Great Singapore Sale, Sarin and Fatimah spent a total of $1000. 3/5 of what Sarin spent was equal to 1/5 of what Fatimah spent. Who spent more and how much more did had spend?

….Click here to view the solution….

Sarin’s family and Ramadan Part 18 (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 Percentage 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.

To read also the posting on Sarin learns Average Number, Percentage, Tables and Charts (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 UPQ546

Sarin’s mother baked some Almond cakes and Butter cakes during Ramadan. She gave away 30% of the Almond cakes as goodwill. She also gave away some Butter cakes. The number of Butter cakes that she gave was ½ the number of Almond cakes given away. If Sarin’s mother had 42 Almond cakes left, how many Butter cakes did she give away?

…Click here to read the solution…

Fatimah and Hairu enjoy Congkak game part 32 (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 Fraction and Problem Sum.

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

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

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

Upper primary school mathematics question UPQ544

Fatimah and Hairu had a Congkak game. In the beginning of the game, Fatimah had a bag of beads. She lost 2/9 of the beads to Hairu in the first match and 1/5 of the remaining beads to Hairu in the second match. She won 85 beads in the final match and then she had as many beads as she had at first.

How many beads did Fatimah have in the bag at first?

…Click here to read the solution…

Sarin’s family attend concert at the Esplanade Part 34 (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  Fraction 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).

Click and 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 UPQ542

In The Esplanade Library, there were 500 fiction books more than non-friction books. When more books were added to the Esplanade Library, the number of fiction books increased by ¼, while the number of non-fiction books increased by 2/3. The total number of books became 3145. How many non-fiction books were there after the increase?

Click to read the answer

Sarin learns Shapes and Solids in school part 66 (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 the skills to deal 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 Fraction Ratio, Shapes and Problem solving

Read the posting on Sarin learns Shapes and Solids in school (Math Concept) to know about shapes.

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

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

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

Upper primary school mathematics question UPQ541

The figure below, not drawn to scale, shows 3 triangles A, B and C overlapping one another. The area of triangle A is 1/3 the area of triangle B and the area of triangle B is 2/3 the area of triangle C.

Express the blue region of triangle B as a fraction of the blue region of triangle C.

UPQ541-1

 

…Click here to go to solution…

Sarin’s family in Kluang part 22 (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 Problem solving.

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

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

Upper primary school mathematics question UPQ540

During the visit in Kluang, Sarin’s mother bought 3 identical green caps and 5 identical blue caps from the Kluang mall. The total cost of the caps was $186. Each blue cap costs $4.40 more than each green cap. What is the cost of one green cap?

…Click here to read the solution…

Sarin and his coin bank part 52 (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 UPQ539

Sarin, Hairu and Fatimah have saved different amounts of money in their coin banks.

The amount of money Hairu has saved is the total of Sarin and Fatimah’s amount.

The amount of money Fatimah has saved is the total of Sarin’s amount and half of Hairu’s amount.

Sarin has saved $14.

(a)        How much does Hairu have saved?

(b)        How much do these three children have saved altogether?

…Click to know the solution…

Sarin’s family and Ramadan Part 17 (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 Percentage 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.

To read also the posting on Sarin learns Average Number, Percentage, Tables and Charts (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 UPQ537

Every month, Sarin’s father saved $320 of his salary and spent the rest. In the month of Ramadan, his father spending increased by 4% and only managed to save $240. How much was Sarin’s father salary?

…Click here to read the solution…