Tag Archives: coin bank

Sarin and his coin bank part 53 (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 UPQ559

Sarin had some 50₵ coins in his coin bank. Hairu had some $1 coins his coin bank. Sarin gave half of his coins to Hairu and Hairu gave half of his coins to Sarin. Hairu used some of the 50₵ coins to buy a mini fan that cost $5. Sarin used some of his $1 coins to buy a racket that cost $16. After that the ratio of the number of 50₵ coin to $1 coin Sarin had was 1 : 2 and the number of 50₵ coins to the number of $1 coins Hairu had was 1 : 5.

How much did Sarin have at first in his coin bank?

…Click to know the solution…

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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 and his coin bank part 51 (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 UPQ534

Sarin and Hairu have some amount of money in their coin banks. Sarin wanted to give some coins amount to $5 to Hairu so that they would both have the same amount of money. However, Hairu gave some coins amount to $5 to Sarin and Sarin ended up with 6 times as much money as Hairu. How much did Sarin have at first?

…Click to know 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…

Sarin and his coin bank part 48 (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 Fraction and Problem Solving.

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

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

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

Upper primary school mathematics question UPQ493

Sarin has 36 coins in the coin bank. 5/12 of them are twenty-cent coin and the rest are fifty-cent coins. How much money does Sarin have in the coin bank?

…Click to know the solution…

Sarin and his coin bank part 47 (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 Fraction, Percentage, 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.

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

Read 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 UPQ484

At first, 25% of Sarin’s money in his coin bank was the same as 1/3 of Hairu’s money in his coin bank. Father gave Hairu another $80 while Sarin spent $150 on some books. In the end, Hairu had 2 ½ times as much money in his coin bank as Sarin had in his coin bank.

(a)        How much money did Sarin have in his coin bank at first?

(b)        How much money did Hairu have in his coin bank in the end?

…Click to know the solution…

Sarin and his coin bank part 46 (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 upperprimary 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 UPQ473

Sarin and Hairu have some coins in their coin banks. If Sarin gives 45 coins to Hairu, both of them will have and equal amount of coins. If Hairu gives 45 coins to Sarin, Sarin will have thrice as many coins as  Hairu. How many coins does Hairu have?

…Click to know the solution…

Sarin and his coin bank part 45 (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, Fraction 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.

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

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

Upper primary school mathematics question UPQ450

Hairu and Sarin shared $425 in the coin bank. After Hairu spent 2/3 of his money and Sarin spent ¼ of his money, Sarin’s money was twice as much as Hairu’s money. Find the amount of money Sarin had in the end.

…Click to know the solution…

Sarin and his coin bank part 44 (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 UPQ433

Sarin and Hairu saved a sum of money each in their coin banks. If Sarin gave Hairu $34, they would have same amount of money. If Hairu gave Sarin $42, Sarin would have thrice as much as Hairu. How much did each of them have?

…Click to know the solution…