A family in Singapore part 25 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics that teaches in Singapore Primary Schools. You or your kids can learn the skills of dealing with Math Modeling, Math Problem Solving, 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, Average Number, and Problem Sum.

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

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

Should 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 for the given solution‼!

Upper primary school mathematics question UPQ292

The average mass of Hairu and Fatimah is 49 kg. The average mass of Fatimah and Sarin is 79 kg. Hairu is 1/4 as heavy as Sarin. Find Hairu’s mass.

A family in Singapore part 24 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics that teaches in Singapore Primary Schools. You or your kids can learn the skills of dealing with Math Modeling, Math Problem Solving, 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 Sum.

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

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

Should 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 for the given solution‼!

Upper primary school mathematics question UPQ288

Sarin and Hairu received some money from their father. At first, Sarin had $200 less than Hairu. Then Hairu gave Sarin 1/4 of his money. In return, Sarin gave Hairu 1/5 of his money. Later, Hairu gave 1/2 of his money to Sarin.  In the end, Sarin had $700 more than Hairu. How much did each of them have at first?

A family in Singapore part 23 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics that teaches in Singapore Primary Schools. You or your kids can learn the skills of dealing with Math Modeling, Math Problem Solving, 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 Sum.

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

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

Should 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 for the given solution‼!

Upper primary school mathematics question UPQ285

Sarin, Hairu and Fatimah received some money from their father. The ratio of the amount of money Sarin received to the amount of money Hairu received was 2 : 9. The ratio of the amount money Hairu received to the amount of money Fatimah received was 8: 5. Then, Hairu gave 1/12 of his money to Sarin, and Fatimah gave 1/9 of her money to Sarin. As a result, Sarin had $378 in the end.

(a) What was the ratio of the amount of money Sarin had to the amount of money Hairu had in the end? (Give your answer in its simplest form.)

(b) What was the total amount of money that three of them has?

A family in Singapore part 22 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics that teaches in Singapore Primary Schools. You or your kids can learn the skills of dealing with Math Modeling, Math Problem Solving, 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 Percentage and Problem Sum.

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

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

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

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

Upper primary school mathematics question UPQ272

Sarin’s mother gave some money to Sarin, Hairu and Fatimah in the ratio of 2 : 3 : 4 respectively. What percentage of Fatimah’s money must she give away to her brothers so that all the 3 kids have an equal amount of money?

A family in Singapore part 21 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics. You or your kids will learn the skills of dealing with Math modeling, Problem Sum from Lower Primary School to Upper Primary School level in Singapore school after reading the blog postings. This posting is an upper primary school math question on Percentage and Problem Sum.

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

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

Upper primary school mathematics question UPQ266

Sarin’s father gave $1200 of his monthly salary to his mother as their family monthly household expenses. He saved the rest of his salary. If he deduced the household expenses by 14%, his savings increased by 20%. How much was Sarin’s father monthly salary?

A family in Singapore part 19 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics. You or your kids can learn dealing with Math modeling, Problem Sum from Lower Primary School to Upper Primary School level in Singapore school. This posting is a primary school math question on Fraction, Charting and Problem Solving.

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

You should read the posting on Sarin learns Average Number, Percentage and Charting in school (Math Concept) to understand the concept of Percentage and Charts.

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

Upper primary school mathematics question UPQ201

The pie chart below illustrates Sarin’s family expenditure in a particular month.

 

The family spent as much money on transport as on food. They spent 1/2 as much on clothing as on food. How much did the family spend on rent?

A family in Singapore part 18 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics. You or your kids can learn dealing with Math modeling, Problem Sum from Lower Primary School to Upper Primary School level in Singapore school. This posting is a primary school math question on Fraction and Problem Solving.

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

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

Upper primary school mathematics question UPQ198

Sarin’s father gave half of his salary and $80 to Sarin’s mother as family spending. Then he spent half of his remaining salary and $70 on rent. How much was his salary if he had $360 left? 

A family in Singapore part 17 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics. You or your kids can learn dealing with Math modeling, Problem Sum from Lower Primary School to Upper Primary School level in Singapore school. This posting is a primary school math question on Ratio, Average Number and Problem Solving.

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

You should read the posting on Sarin learns Average Number, Percentage and Charting in school (Math Concept) to understand the concept of Percentage and Charts.

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

Upper primary school mathematics question UPQ195

Sarin, Hairu and Fatimah weighed themselves with a bathroom scale. The average mass of the three kids was 72.6 kg. It was found that the bathroom scale measured certain weight without any person making measurement as the diagram shown. Given that Hairu is 2/3 of Sarin’s mass and Fatimah is 4/5 of Hairu’s mass, what is Fatimah’s actual mass?

                                         

A family in Singapore part 16 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics. You or your kids can learn dealing with Math modeling, Problem Sum from Lower Primary School to Upper Primary School level in Singapore school. This posting is a primary school math question on Percentage, Charting and Problem Solving.

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

You should read the posting on Sarin learns Average Number, Percentage and Charting in school (Math Concept) to understand the concept of Percentage and Charts.

Upper primary school mathematics question UPQ191

Sarin’s family spends 35% of their family monthly income on transport. Of the remainder, they spends $500 on food, 40% on rent, 16% on miscellaneous items and the family saves the rest. If the family monthly income is $4500, how long will the family take to save enough to buy a dining table which costs $1650? Make a pie-chart of the movement of the family monthly income.

Sarin and his coin bank part 21 (Math Question)

The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics. You or your kids can learn dealing with Math modeling, Problem Sum from Lower Primary School to Upper Primary School level in Singapore school. This posting is a primary school math question on Ratio, Math Modeling and Problem sum.

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.

Upper primary school mathematics question UPQ189

Sarin has some fifty-cent and twenty-cent coins in his coin bank. He has twice as many twenty-cent coins as fifty-cent coins. If the total value of the coins is $3.60, how many fifty-cent coins does Sarin have?