Tag Archives: Sarin

Sarin and the million numbers part 12(Math Question)

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Read posting Sarin and the million numbers and Hairu and the numbers to understand the mathematics concept of numbers.

Upper primary school mathematics question UPQ46

UPQ46-1.  5/9 ÷ 7 is the same as _______.

                        (1)    5/9 ÷ 1/7

                        (2)   5/9 × 7/1

                        (3)   5/9 × 1/7

                        (4)   9/5 × 1/7

UPQ46-2.  333 333 equal to 300 000 + 30 000 + 3 000 + _______.

                       (1)   333

                      (2)   303

                      (3)   3

                      (4)   33                    

UPQ46-3.  What is the best estimation of 352 ÷ 28?

                        (1)   300 ÷ 30

                        (2)   360 ÷ 30

                        (3)   350 ÷ 20

                        (4)   360 ÷ 20

UPQ46-4.  In which number below does the digit 7 have the smallest 

                      value?

                        (1)   175 625

                        (2)   261 706

                        (3)   397 124

                        (4)   710 543

…Click to read the solution…

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Sarin and his coin bank part 6 (Math Question)

You can read posting Sarin and his coin bank on the story of coin bank. Read also postings on Sarin and the million numbers to understand concept of dollars and cents and Sarin learns concept of ratio in school on concept of ratio.

Upper primary school mathematics question UPQ44

Sarin had some 50cent coins and Hairu had some 20cent coins in their own coin bank. The number of coins that Sarin had was 2/3 of the number of coins that Hairu had at first. When Hairu gave Sarin $80, he changed all the $80 to 50cent coins. Then ratio of the number of coins that Sarin had to the number of coins that Sarin had was 10 : 11. How many coins did Hairu have at the end?

…click here to go to solution…

Sarin and his coin bank part 6(Math Question)

Sarin participates in school anniversary event part 4(math question)

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

Upper primary school mathematics question UPQ38

Sarin bought a box of pens to use during the school anniversary event. 1/5 of them were green, 1/3 of them were red and 2/7 of the remainder were blue. The rest were yellow. If he had 96 blue pens, how many green and yellow pens did he have in all?

To click here to go to solution…

Sarin and the million numbers part 11(Math Question)

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Read posting Sarin and the million numbers and Hairu and the numbers to understand the mathematics concept of numbers.

Read also posting on Sarin learns concept of ratio in school and Sarin learns the concept of Fraction (mathematics concept) to understand Ratio and Fraction.

Upper primary school mathematics question UPQ37

UPQ37-1. Sarin ate 1/2 of a cake and his sister Fatimah ate 1/3 of 

                  it. What fraction of the cake did they eat altogether?

                  (1) 1/5

                  (2) 2/5

                  (3) 1/6

                  (4) 5/6

UPQ37-2.  Sarin spent 3/5 of his money on a bag and 1/3 of the

                   remainder on a book. What fraction of his money was

                   left?

                  (1) 1/15

                  (2) 2/15

                  (3) 4/15

                  (4) 11/15

UPQ37-3.  Which one of the following is the smallest fraction?

                  (1)  1/2

                  (2)  1/3

                  (3)  3/4

                  (4)  5/8                

UPQ37-4.  Hairu, Sarin and Fatimah shared a sum of money.

                   Hairu received 2/3 of what Sarin received. Sarin’s share

                   was 6/7 of Fatimah’s share. What  fraction of the sum of

                   money was Fatimah’s share?

                  (1) 7/17

                  (2) 7/15

                  (3) 5/3

                  (4) 17/7

…Click to read the solution…

Sarin and his coin bank part5(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.

Lower primary school mathematics question LPQ12

Sarin had twenty 50-cent coins in his coin bank. He bought a notebook for $2.90 and two erasers at 80 cents each. How many 50-cent coins did he have left?

…click here to go to solution…

Sarin and his coin bank part4(Math Question)

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

Lower primary school mathematics question LPQ11

Sarin collected a total of 401 Singapore and American coins. There were 109 fewer Singapore coins than American coins. How many American coins did Sarin collect?

…click here to go to solution…

Sarin and his coin bank part3(Math Question)

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You can read posting Sarin and his coin bank on the story of coin bank. Read also postings on Sarin and the million numbers to understand concept of dollars and cents and Sarin learns concept of ratio in school on concept of ratio.

Upper primary school mathematics question UPQ35

Sarin has certain number of 10 cent, 20 cent and 50 cent coins in his coin bank. The total value of the coins is $104. The number of 20 cent coins is 3 times as many as the number of 10 cent coins. The number of 50 cent coins is 3 times as many as 20 cent coins.

            (a) How many 50cent coins are there in the coin bank?

            (b) What is the total value of the 20 cent coins?

…click here to go to solution…

Hairu shares his stickers part 9 (Math Question)

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You can click and read postings Sarin learns concept of ratio in school and Sarin learns the concept of Fraction (mathematics concept) to understand  Ratio and Fraction.

Upper primary school mathematics question UPQ34

Hairu had 7 times as many stickers as Sarin. Then Hairu gave 1/5 of his stickers to Sarin. Then Sarin gave his back 1/6 of the stickers that he had. If Hairu had 80 more stickers than Sarin at the end, how many stickers did Hairu had at first?

…Click here to read the solution…

Hairu shares his stickers part 8(Math Question)

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Hairu enjoys collecting of stickers as well as he is willing to shares his stickers with Sarin. He knows that Sarin collected quite a lot of stickers. They have so much fun when they are discussing about their collection.

Upper primary school mathematics question UPQ32

Sarin had 6 times as many stickers as Hairu. After Hairu gave 220 stickers to Sarin, Sarin had 3490 more stickers than Hairu. How many stickers did Hairu have left?

…Click to read the solution…

Hairu shares his stickers part 7(Math Question)

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

Upper primary school mathematics question UPQ30

Hairu and Sarin was given 49 stickers. If Hairu received 35 stickers, find the ratio of Hairu’s share to Sarin’s share.

…Click here to read the solution…