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P6 Maths
(Forum/ThinkingMath@OnSponge)
yhlee wrote: 9 fewer pupils in the lower primary than the upper primary signed up for the mass run this term.2/3 of all those registered were boys.3/7 of the lower primary were girls.1/4 of the pupils ...
Tuesday, 31 August 2010
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Chanllenging Math Problem
(Forum/ThinkingMath@OnSponge)
9 fewer pupils in the lower primary than the upper primary signed up for the mass run this term.2/3 of all those registered were boys .3/7 of the lower primary were girls. 1/4 of the pupils in the upper ...
Tuesday, 31 August 2010
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Re: P6 - Percentage (25/Aug)
(Forum/ThinkingMath@OnSponge)
REVISE.... hope is complete now. There were adults, boys and girls in a concert. The number of girls 10% less than boys but 20% more than adults. During half time of the concert, 1/5 boys and 30 adults ...
Thursday, 26 August 2010
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P6 - Percentage (25/Aug)
(Forum/ThinkingMath@OnSponge)
There were adults, boys and girls in a concert. The number of girls 10% less than boys but 20% more than adults. During half time of the concert, 1/5 boys and 30 adults left and 44 girls entered. What ...
Thursday, 26 August 2010
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Re:P5 Remainder Concept
(Forum/ThinkingMath@OnSponge)
... easy. Eg. The number of boys to the number of girls in the audience is 3 : 1 --> 3/4 of the audience is boys and the rest are girls --> The boys make up 75% of the audience and the rest are girls. ...
Wednesday, 25 August 2010
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Re:P5 External Changed & Simultaneous Equations
(Forum/ThinkingMath@OnSponge)
... IMAGE] In a swimming school of 4 students, 1/8 of the girls passed the swimming test and 4/5 of the boys passed the swimming test. A total of 24 students passed the swimming test. How many girls failed ...
Sunday, 22 August 2010
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Re:P4 Equal stage (Type 1) P89 Q5. Please Help!!!!
(Forum/ThinkingMath@OnSponge)
There was an equal number of boys and girls at an exhibition. After 3/5 of the boys and 42 girls had left the exhibition, there were 12 more boys than girls at the exhibition. How many pupils were there ...
Sunday, 22 August 2010
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Re:P5 Maths
(Forum/ThinkingMath@OnSponge)
Q1 P = 300 Q = 500 Q2 Should be total 84 students. 20 Boys and 64 Girls. ;) ...
Sunday, 22 August 2010
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P5 External Changed & Simultaneous Equations
(Forum/ThinkingMath@OnSponge)
... the swimming test and 4/5 of the boys passed the swimming test. A total of 24 students passed the swimming test. How many girls failed the test? ...
Saturday, 21 August 2010
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P4 Equal stage (Type 1) P89 Q5. Please Help!!!!
(Forum/ThinkingMath@OnSponge)
Gladys wrote: 5. There was an equal number of boys and girls at an exhibition. After 3/5 of the boys and 42 girls had left the exhibition, there were 12 more boys than girls at the exhibition. How many ...
Saturday, 21 August 2010
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P4 Equal stage (Type 1) P89 Q5. Please Help!!!!
(Forum/ThinkingMath@OnSponge)
5. There was an equal number of boys and girls at an exhibition. After 3/5 of the boys and 42 girls had left the exhibition, there were 12 more boys than girls at the exhibition. How many pupils were there ...
Friday, 20 August 2010
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Re:Simultaneous Equations
(Forum/ThinkingMath@OnSponge)
In a swimming school of 84 students, 1/8 of the girls passed the swimming test and 4/5 of the boys passed the swimming test. A total of 24 students passed the swimming test. how many girls failed the swimming ...
Friday, 20 August 2010
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Maths question
(Forum/ThinkingMath@OnSponge)
Rachael Amelia wrote: In a swimming school of 84 students, 1/8 of the girls passed the swimming test and 4/5 of the boys passed the swimming test. A total of 24 students passed the swimming test. how ...
Friday, 20 August 2010
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Re:Maths question
(Forum/ThinkingMath@OnSponge)
That means that: 1/8 + 4/5= 24 x8 8/8 + 32/5= 192 That means that 27 boys is equal to 192-84=108 So 1 boy is 108/27 = 4 so 5 units of boys= 20 boys 8 units of girls is= 84-20=64 Is ...
Thursday, 19 August 2010
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Simultaneous Equations
(Forum/ThinkingMath@OnSponge)
In a swimming school of 84 students, 1/8 of the girls passed the swimming test and 4/5 of the boys passed the swimming test. A total of 24 students passed the swimming test. how many girls the swimming ...
Thursday, 19 August 2010
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Re:P5 Math ~ Percentage
(Forum/ThinkingMath@OnSponge)
... number of women. The number of girls was the same as the number of men. If 96 boys participated in the swimming competition, how many people were there altogether? Question 1: W-40% C-105%x40=4 ...
Sunday, 15 August 2010
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P5 Math ~ Percentage
(Forum/ThinkingMath@OnSponge)
... number of girls was the same as the number of men. If 96 boys participated in the swimming competition, how many people were there altogether? Question2 At a carnival, 40% of the people were males ...
Saturday, 14 August 2010
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P6 5 Marks Question
(Forum/ThinkingMath@OnSponge)
I need help in my school work! :( Question: Four boys, Adil, Benny, Chet and Daniel, each have some stamps. The number of stamps Adil has is 1/2 of the total number of stamps Benny, Chet and Daniel ...
Monday, 09 August 2010
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P6 Maths
(Forum/ThinkingMath@OnSponge)
... in the opposite direction. With Alan jogging at an average speed of 1.2km/h slower than Benedict, the two boys were 5.2km apart after jogging for 30 minutes. Find the average speed of Alan. 30 min = 1/2 ...
Sunday, 08 August 2010
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some hard questions
(Forum/ThinkingMath@OnSponge)
... With Alan jogging at an average speed of 1.2km/h slower than Benedict, the two boys were 5.2km apart after jogging for 30 minutes. Find the average speed of Alan. 3) During a telematch, each group was ...
Saturday, 07 August 2010
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Re:Percentage Problem Sum
(Forum/ThinkingMath@OnSponge)
This year : Last year 115 : 100 2300 : 2000 (a) Last year: 100% boys + 100% girls --> 2000 (1) This year: 125% boys + 75% girls --> 2300 (2) (1) x 3: 300% boys + 300% girls --> 6000 (2) ...
Thursday, 05 August 2010
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Re: Help need please
(Forum/ThinkingMath@OnSponge)
Now,there are 3u>boys and 3ugirls At first,3u+182 (boys),5u>girls 8u+182>2310 1u>2310-182=2128/8>266 Boys>266x3+182>980boys at first ...
Thursday, 05 August 2010
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Help need please
(Forum/ThinkingMath@OnSponge)
1) There were 2310 pupils in the hall. After 182 boys and 2/5 of the girls left the hall, there was an equal number of boys and girls remaining in the hall. How many ball were there in the hall at first. *i ...
Thursday, 05 August 2010
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Percentage Problem Sum
(Forum/ThinkingMath@OnSponge)
This year, there are 2300 pupils in Sentosa Primary School. Comparing to last year, there is a 25% increase in the number of boys & a 25% decrease in the number of girls. The total no. of students this ...
Thursday, 05 August 2010
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P5 Maths
(Forum/ThinkingMath@OnSponge)
... - (1) A+B+C=570 Multiply by 2 2A+2B+2C=1140 - (2) (2)-(1) A+C=497 Average of A and C = 497 divided by 2 = 248.5 Chai Zi Yang wrote: 2)8 boys and a certain number of girls sold an average of ...
Sunday, 25 July 2010
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Help!!! P5 Average Questions
(Forum/ThinkingMath@OnSponge)
... A and C. 2)8 boys and a certain number of girls sold an average of 3 postcards.The boys sold an average of 2 postcards.If each girl sold an average of 2 more postcards than each boy,how many children ...
Sunday, 25 July 2010
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Re:Help !
(Forum/ThinkingMath@OnSponge)
... [USER POSTED IMAGE] 3. A school staged a concert on two evenings. On the first evening, there were 160 more boys than girls in the audience. On the second evening, the number of boys decreased ...
Tuesday, 20 July 2010
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Help !
(Forum/ThinkingMath@OnSponge)
1. Alex, Barry, Charlie and Donald agreed to share the cost of a present equally. As Donald did not bring any money, the other 3 boys paid Donald's share. Charlie paid 5/9 of what Alex and Barry paid. ...
Monday, 19 July 2010
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P6 Maths
(Forum/ThinkingMath@OnSponge)
... Colin is three times as heavy as Ali. What is the average mass of the three boys? Ali + Bala -> 51 kg Bala + Colin -> 81 kg Colin - Ali -> 81kg-51kg=30 kg Since Colin is three times as heavy as ...
Monday, 19 July 2010
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P5 Maths
(Forum/ThinkingMath@OnSponge)
AndrewLee wrote: In a swimming school of 84 students, 1/8 of the girls passed the swimming test and 4/5 of the boys passed the swimming test. A total of 24 students passed the swimming test. How many ...
Monday, 19 July 2010
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PLSE EXAM QUESTIONS 2005-2009
(Forum/ThinkingMath@OnSponge)
... is 51kg. The total mass of Bala and Colin is 81kg. Colin is three times as heavy as Ali. What is the average mass of the three boys? ...
Monday, 19 July 2010
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P5 SA1 ACS 2009
(Forum/ThinkingMath@OnSponge)
Hello...need help, In a swimming school of 84 students, 1/8 of the girls passed the swimming test and 4/5 of the boys passed the swimming test. A total of 24 students passed the swimming test. How ...
Monday, 19 July 2010
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Re:more than/less than(multiple individuas) Q2
(Forum/ThinkingMath@OnSponge)
For this you can draw out a model for boys and girls and then use that number (in units) to compare with adults. B: u + 54 G: u G+B --> 2u + 54 A: 2u + 54 + 70 C: 2u + 54 4u + 54 + 54 + 70 ...
Friday, 16 July 2010
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more than/less than(multiple individuas) Q2
(Forum/ThinkingMath@OnSponge)
please help me the Q2: At a gathering, there were 70 more adults than children.there were 54 more boys than girls. Given that there were 210 people altogether,how many boys were there at the gathering? thanks ...
Friday, 16 July 2010
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P5 Maths
(Forum/ThinkingMath@OnSponge)
Ally wrote: Alan, Bill and Carl shared $372. After Alan spend 2/5 of his share, Bill spent 1/2 of his share and Carl spent 1/3 of his share, the boys found they had the same amount of money left. (a) ...
Thursday, 15 July 2010
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P5 SA1 SCGS: Equal Fractions Concept
(Forum/ThinkingMath@OnSponge)
Alan, Bill and Carl shared $372. After Alan spend 2/5 of his share, Bill spent 1/2 of his share and Carl spent 1/3 of his share, the boys found they had the same amount of money left. (a) ...
Thursday, 15 July 2010
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P6 Maths
(Forum/ThinkingMath@OnSponge)
... 68 more stamps than Benny. How many stamps did the two boys have altogether? Case 1 B-B/2+128=W+B/2 B/2+128=W+B/2 W=128 Case 2 25% = 1/4 B-B/4+68=W+B/4 3B/4+68=128+B/4 2B/4=60 B=60x4/2=120 128+120=248 Number ...
Tuesday, 13 July 2010
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P6 - Math Problem
(Forum/ThinkingMath@OnSponge)
... have 68 more stamps than Benny. How many stamps did the two boys have altogether? ...
Tuesday, 13 July 2010
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P6 Maths
(Forum/ThinkingMath@OnSponge)
Jeslyn Lam wrote: Cinema admission tickets for children were priced at $8 each. There were 20 more boys than girls in the cinema for the first movie. For the second movie, the number of boys decreased ...
Tuesday, 13 July 2010
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P6 Percentages
(Forum/ThinkingMath@OnSponge)
I need help in my school homework!! :( Question : Cinema admission tickets for children were priced at $8 each. There were 20 more boys than girls in the cinema for the first movie. For the second movie, ...
Tuesday, 13 July 2010
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Re:Ratios
(Forum/ThinkingMath@OnSponge)
There were 1350 children at a book fair. There were 68 more boys than girls. At noon, 569 boys and some girls left the fair. As a result, 70% of the remaining children were boys. How many girls left the ...
Monday, 12 July 2010
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P6 Ratios
(Forum/ThinkingMath@OnSponge)
I need help in this question : There were 1350 children at a book fair. There were 68 more boys than girls. At noon, 569 boys and some girls left the fair. As a result, 70% of the remaining children were ...
Monday, 12 July 2010
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P5 Maths
(Forum/ThinkingMath@OnSponge)
Tan Josephine wrote: NY 2009 CA1 Paper 2 Q6 A group of boys played only two types of sports during recess. 1/4 of them played badminton and 2/3 of them played football. 1/6 of the boys played both ...
Friday, 09 July 2010
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P5 Maths
(Forum/ThinkingMath@OnSponge)
NY 2009 CA1 Paper 2 Q6 Need help. A group of boys played only two types of sports during recess. 1/4 of them played badminton and 2/3 of them played football. 1/6 of the boys played both sports and ...
Friday, 09 July 2010
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Re:challenging questions
(Forum/ThinkingMath@OnSponge)
4 boys share a sum of money. david received 25% of it .mark received 6% more than david .scott received 80% of the amount received by david. andy received $192.what was the sum of money? The first question ...
Thursday, 24 June 2010
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Repeated Identity, Simultaneous & Equal Fractions
(Forum/ThinkingMath@OnSponge)
can you help me 1.4 boys share a sum of money. david received 25% of it .mark received 6% more than david .scott received 80% of the amount received by david.andy received $192.what was the sum of ...
Wednesday, 23 June 2010
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Maths Questions
(Forum/ThinkingMath@OnSponge)
Karthik wrote:3) A group of boys and girls went on a field trip. Excluding Tom and Peter, the number of boys was 2/3 the number of girls. The number of girls was 1 more than the number of boys. When another ...
Tuesday, 22 June 2010
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P6 Fractions
(Forum/ThinkingMath@OnSponge)
Long Suffering wrote: For every $2 that Eddy spent,Fred spent $3. After Eddy had spent all his money, Fred still had 3/8 of the total amount of money the two boys had at first. a)What fraction of the ...
Tuesday, 22 June 2010
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P6Fractions
(Forum/ThinkingMath@OnSponge)
For every $2 that Eddy spent,Fred spent $3. After Eddy had spent all his money, Fred still had 3/8 of the total amount of money the two boys had at first. a)What fraction of the total amount of money ...
Tuesday, 22 June 2010
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Maths Questions
(Forum/ThinkingMath@OnSponge)
... a triangular prism with AB=BC. How many different ways are there to cut the prism into 2 identical parts with a single cut? Is the answer 5? How? 3) A group of boys and girls went on a fieldtrip. ...
Monday, 21 June 2010