Category Archives: Guess and Check method

Sarin’s father crossing the Causeway part 15 (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 presenting the Math Concept, the Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can learn 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 a Lower primary school math question on Fraction and Problem Solving.

Read posting on Sarin’s father visits his friend in JB town to know about JB town as well as reading posting on Sarin’s father crossing the Causeway to know about the Johor-Singapore Causeway.

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

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

Lower primary school mathematics question LPQ97

At the Singapore and Johore causeway, they were many vehicles waiting at the custom check point for passing through.  2/5 of them were cars. The number of motorcycle was ½ the number of buses. If there were 640 motorcycles, how many buses were there?

…Click here to see the solution…

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Sarin participates in school anniversary event part 23 (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 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 Guess and Check method and  Problem Solving.

Read the posting on Sarin participates in school anniversary event part 1 for story on school anniversary.

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

Upper primary school mathematics question UPQ463

The teacher-in-charge had given Sarin team 250 erasers to use in the school anniversary event. They were 22 members in Sarin Team. The teacher gave each boy a number of erasera equal to the number of boys in the team and each girl a number of erasers equal to the number of girls in the team. There were more boys than girls in the team.

(a)        How many girls were there in the team?

(b)        How many erasers did the boys receive altogether?

…Click to read the solution…

Sarin, Hairu and Fatimah make greeting cards for Mother’s Day part 15 (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 presenting the Math Concept, Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids will learn the skill of dealing with Math Question Solving, Math Modeling and Problem Sums from Lower Primary School to Upper Primary School level. This posting is an upper primary school math question on Volume and Area.

You can read the story of Sarin and the siblings making greeting cards for their mother by reading the posting on Sarin, Hairu and Fatimah make greeting cards for Mother’s Day in Welcome page.

You can read the posting on Sarin learns Perimeter, Area and Volume in school(Math Concept) to learn the concept of perimeter, area and volume.

Upper primary school mathematics question UPQ233

Hairu’s mother received a special made greeting card from Hairu. The greeting card is as below figure shown. The card when folded along the edges of the purple rectangle gives a volume of 990cm3. Given that the length of the purple rectrangle is 7cm more than the breadth. Find the length of the purple rectangle.

 

…Click here to go to solution…

Sarin and his coin bank part 16(Math Question)

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

Read also posting on Sarin and the million numbers to understand concept of dollars and cents.

Lower primary school mathematics question LPQ48

Sarin had a total of twenty $10-notes and $5-notes in his coin bank. The total value of all the notes was $120. How many $10-notes did he have? …Click to know the solution…

Sarin’s family in Kluang part 2 (Math Question)

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

Read also postings on Sarin and the million numbers to understand concept of dollars and cents.

Lower primary school mathematics question LPQ29

Fatimah’ mother bought a set of hair clips for Fatimah in Kluang. She spent $4 and had $24 left. If she had equal numbers of $2 and $5 notes in her wallet at first, how many notes did she have altogether at first?

…Click here to read the solution…

Hairu and the numbers part 11 (Math Question)

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To read  mathematics concept for Numbers go to posting Hairu and the numbers

Lower primary school mathematics question LPQ28

I am thinking of a 2-digit odd number. If I multiply it by 5, the answer is less than 140. If I multiply it by 4, the answer is more than 100. The sum of the 2 digits in the number is 9. What number am I thinking of?

…Click to read the solution…

Sarin participates in school anniversary event part 5(math question)

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Read posting Sarin participates in school anniversary event part 1 for school anniversary.

Lower primary school mathematics question LPQ27

The teacher-in-charge, Miss Lim bought some cupcakes for Sarin and his team. If she gives each member 6 cupcakes, she would have 12 cupcakes left. If she gives each member 8 cupcakes, she would need another 2 cupcakes. What was the smallest possible number of members in Sarin’s team (include Sarin as member)?

…Click to read the solution…

Hairu shares his stickers part 10(Math Question)

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Upper primary school mathematics question UPQ42

Hairu and Sarin shared some stickers. When Hairu gave 20 stickers to Sarin, both of they would have same amount of stickers. If Sarin gave 20 stickers to Hairu, Hairu would have 5 times as many stickers than Sarin. How many stickers did each of them have?

…Click here to know the solution…

Hairu and the numbers part 4 (Math Question)

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Mathematics concept for Numbers refer to posting Hairu  and the numbers

Upper primary school mathematics question UPQ23

A number is between 29 and 50. When it is divided by 3, it has no remainder. When it is divided by 4, it has a remainder of 3.  Find the number.

…Click here to read the solutions…

Sarin’s father crossing the Causeway part 1(Math Question)

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Read posting on Sarin’s father visits his friend in JB town to know about JB town as well as reading posting on Sarin’s father crossing the Causeway to know about the Johor-Singapore Causeway.

Lower primary school mathematics question LPQ10

There are 15 vehicles at Singapore immigration check point. Some are cars and some are motorcycles. If there are 36 wheels in all, how many motorcycles are there at the check point?

…Click here to see the solution…