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Sports & Fitness
(Forum)
Today, majoring in a sport can get your child a place in his desired school. Learn about the vast offerings in the market and you might just be the proud parent of a potential home-grown sports celebr ...
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Holidays
(Forum)
Indeed we are a small island and getting smaller. Need suggestions for holidays – for family or simply for just you and your spouse? Check it out here. ...
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Lighter Moments
(Forum)
Jokes, games, just some good old fashion fun. ...
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Arts, Drama & Music
(Forum)
No, it is not just on piano, drawings or ballet. Surely your child bears a talent that you could share here and inspire others to rethink grooming in this aspect. ...
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Home
(Forum)
Need a new look at home or for the kid’s hideout? How about the most practical inventions or just common sense solutions to improving your house chores? Talk to the seasoned for the tried and tested. ...
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P6 Prelim questions
(Forum/ThinkingMath@OnSponge)
... this entire sentence "On his way, he passed Town A." Thanks for the questions[/quote] Just to share. Solution by Dharma for the above speed question to get answer as a whole number - 84 km/h. Only ...
Monday, 06 September 2010
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Re:P5 maths- area of Triangle
(Forum/ThinkingMath@OnSponge)
Yes I would be interested to understand how the teacher solved the question. It's always good to see other approaches :) For your question ... I just meant that we are fortunate that Observer posted ...
Sunday, 05 September 2010
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Prelim questions
(Forum/ThinkingMath@OnSponge)
... and treat = $210-$72 = $138 :) This is an interesting question.Is this from your P6 Prelim exam question or just P6 Prelim practice paper? ...
Sunday, 05 September 2010
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Re: Maths tutor
(Forum/Products & Services)
Hi Yap. I didn't see any replies here so just to make sure you are aware that there is a tutor matching service here http://www.onsponge.com/learn/tutors-onsponge.html If you complete and submit ...
Friday, 03 September 2010
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Re: P5 Maths
(Forum/ThinkingMath@OnSponge)
Yes, I was just looking at this question with in a live workshop with teachers :) I would approach it in a similar style by making a list of possible areas for the big and small square. Total - Big = ...
Friday, 03 September 2010
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Re:P6 Maths
(Forum/ThinkingMath@OnSponge)
... Ryan at first would have 211.05 and Alice would have 70.35. Clearly not an appropriate answer. In my opinion - just move on to the next question. ...
Friday, 27 August 2010
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Re: List of combinations
(Forum/ThinkingMath@OnSponge)
Just 1 question though, the $10 is the minimum the jar contains, It can also be multiples of 10 and u can get different answers. As the question did not specify the max. or min. Would like to know how ...
Thursday, 26 August 2010
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Re: P6 - Percentage (25/Aug)
(Forum/ThinkingMath@OnSponge)
Good solution Saraswathi Perhaps this will help. I was just drawing out a model for it. [USER POSTED IMAGE] ...
Thursday, 26 August 2010
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Re: On-line solution to P5 Conquer PS
(Forum/ThinkingMath@OnSponge)
As shown in the example figures in pg 157, when 2 triangles share the same base length, we just have to compare their height given. For Q1, the 2 shaded triangles shared the same base of 6cm, their total ...
Thursday, 26 August 2010
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Re:Math Challenging Problem
(Forum/ThinkingMath@OnSponge)
Nothing wrong with the attachment. It's just not there. If it is a image file (png, jpg, gif) use the "image file to attach" button to upload. If it is a doc, ppt, pdf file, than use the "file to ...
Wednesday, 25 August 2010
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P3 ThinkingMath
(Forum/ThinkingMath@OnSponge)
Hi, I had just bought the P3 ThinkingMath. For some questions, it mentions that we can go to onsponge.com to get full solutions. I had searched high and low in the website but can't find it. Can anyone ...
Tuesday, 24 August 2010
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Re: Condensation
(Forum/Science)
... what you are having problems with, there could be much more information added to that statement. For example, you may wish to know about when condensation occurs, not just the simple definition of what ...
Tuesday, 24 August 2010
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Re:P6 Maths - Nanyang 2007 P6 Prelim Q34 and Q35
(Forum/ThinkingMath@OnSponge)
... solve that question? I tried to drew the table out but in vain,it just jumble up when i preview it n also i cant scan,is different format.Pls help me! :( Thanks a bunch in advance. :blush: ...
Monday, 23 August 2010
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Re: p6 maths
(Forum/ThinkingMath@OnSponge)
Hi, I just got to understand your method of working. However, you made a mistake in your second last sentence. You should have used 25s to calculate the time saved instead of 30s since she has already ...
Sunday, 22 August 2010
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Re:P3-Time
(Forum/ThinkingMath@OnSponge)
Sorry, misread the question and included Peter's unit in the total whereas the total given is just Andy and Mark. I have updated the model above. ...
Friday, 20 August 2010
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Re:P5 Maths
(Forum/ThinkingMath@OnSponge)
... is 2units and 60% is 3units. You could equally choose 10units. Blue and Green are 2units because they end with 2units to be the same as Red and then at first we just add and subtract an amount from ...
Monday, 16 August 2010
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Re:P5 Unit 4.3 Q6 (Construct with Unknown Qty)
(Forum/ThinkingMath@OnSponge)
kahyip wrote: Hi, I'm new here. Had just signed up here to learn from everybody else. 6. In the recent Channel W singing competition of 80 singers, the average score was 58.5 marks. Given that the ...
Friday, 13 August 2010
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P5 Unit 4.3 Q6 (Construct with Unknown Qty)
(Forum/ThinkingMath@OnSponge)
Hi, I'm new here. Had just signed up here to learn from everybody else. 6. In the recent Channel W singing competition of 80 singers, the average score was 58.5 marks. Given that the average score of ...
Friday, 13 August 2010
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P6 Maths
(Forum/ThinkingMath@OnSponge)
Karthik wrote: I need help in this question. I hope you have Nanyang Primary School's Preliminary paper for 2008. Can you tell me the correct answer for the last question in paper 2? Just the answer is ...
Friday, 13 August 2010
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Is the answer correct???
(Forum/ThinkingMath@OnSponge)
I need help in this question. I hope you have Nanyang Primary School's Preliminary paper for 2008. Can you tell me the correct answer for the last question in paper 2? Just the answer is ok, i want to ...
Friday, 13 August 2010
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Re:Nan Hua CA2 Q7 & Q15
(Forum/ThinkingMath@OnSponge)
... 25Ux2 is equal to 50. Ans:(B)50. (Just to check,2007's 21Ux2 is 42,and take 2008's 50 to minus that. That gives you 8 difference.) Hope info was useful! :side: ...
Tuesday, 10 August 2010
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Re:P5 Maths - Percentage
(Forum/ThinkingMath@OnSponge)
Thank you Chris. I have the same reasoning as shown and explained by you. But somehow I just couldn't arrive at a whole number answer and I knew I made a mistake somewhere along the line. My assumption ...
Tuesday, 03 August 2010
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Re:More on P5 Ratio
(Forum/ThinkingMath@OnSponge)
... assumption, there was no replacement. 5burgers were ordered and 5burgers were delivered. There was just a decrease in pizzas. So, for this question I would check the information and if it's correct ...
Thursday, 29 July 2010
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Re: P6 Shaping Maths -- Semestral Review 1 Q36
(Forum/ThinkingMath@OnSponge)
Yes, since they are travelling toward each other, we just add up their speed in mins. 11/60 + 13/60 =2/5 km/min Time taken =Dist/Speed = 16/2 X 5 = 40 11.30am + 40min = 12.10pm :) ...
Thursday, 29 July 2010
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P5 Problem sums ~ Ratio & Distance
(Forum/ThinkingMath@OnSponge)
Good day :cheer: Tried solving these questions today, but i just couldn't get the right answer: Question 1 At first, Halimah had 255 fewer stickers than Jun Xiong. Then, Halimah gave 37 of her ...
Tuesday, 27 July 2010
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Re:Chap 9 Key Constructs
(Forum/ThinkingMath@OnSponge)
... IMAGE] The sq and triangle concept just boggles my mind. I don't know when to assume for some questions and when not to assume. The gap-and-difference thing also is incomprehensible. By Sq and Triangle ...
Tuesday, 27 July 2010
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Chap 9 Key Constructs
(Forum/ThinkingMath@OnSponge)
... sq and triangle concept just boggles my mind. I don't know when to assume for some questions and when not to assume. The gap-and-difference thing also is incomphrensible.(Excuse me if i spelled it wrongly) ...
Monday, 26 July 2010
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Re:Constant Difference
(Forum/ThinkingMath@OnSponge)
... the second, just compare the difference in units before and after. Now A : B 2 : 5 (Difference is 3units) 21 years time A : B 3 : 4 (Difference is 1unit) 9 : 12 (Difference is 3units) 7units ...
Friday, 23 July 2010
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Re: Raffles Girls P5 SA2 Y2007 ... pls help
(Forum/ThinkingMath@OnSponge)
It's magic ... thanks for the pw. I notice there is a big X through Part B of the question. As said, I believe there is an error in the question. I would just move onto the next question. ...
Sunday, 18 July 2010
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Re:maths
(Forum/ThinkingMath@OnSponge)
The question is almost identical ??? Just replace the numbers and units of measure and you have your answer ?? Ans: 4kg ...
Friday, 16 July 2010
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Re:P6 Maths
(Forum/ThinkingMath@OnSponge)
They start from P3 all the way to P6, it just depends on how complicated you wish it to be. I you are in P6 Marcus, and you will find a number of such questions in your +hinkingMath book. Should you ...
Thursday, 15 July 2010
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Re:P6 5 marks question
(Forum/ThinkingMath@OnSponge)
... Now they each has 90 assessment books. How many assessment books had Gary had at first? For this question, its just a matter of working backwards using the fractions to determine what number of books ...
Monday, 12 July 2010
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Re:MODEL DRAWINGS
(Forum/ThinkingMath@OnSponge)
... Note: I could have avoided calculating the starting amount followed by calculating the amount left just by looking at the remaining units from the model on the right. Dresses left --> 1unit + 42 Skirts ...
Monday, 12 July 2010
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P4 Maths
(Forum/ThinkingMath@OnSponge)
... were there at first? C: [][.....53....] A: [][][][7] 3(3u+7)=u+53 9u+21=u+53 8u=32 u=4 At first, number of children=u+53=4+53=57 jeremy khoo wrote: 2)Dahlia has just enough money to buy ...
Friday, 09 July 2010
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whole numbers n problem sums
(Forum/ThinkingMath@OnSponge)
... has just enough money to buy either 6 pears and 20 oranges or 12 oranges and 11 pears.Each pear costs $0.80.How much does an orange cost ? ...
Friday, 09 July 2010
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Re:P6 - Math Problem Solving
(Forum/ThinkingMath@OnSponge)
Hi there, just looking back through some old threads. I believe Ziggy has typed AND instead of OR. A longer way of doing this with the same results is: A bus can hold 45 children or 30 adults therefore ...
Sunday, 04 July 2010
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Re: P6 Maths Prelim 2009 Qs
(Forum/ThinkingMath@OnSponge)
Yeah. My daughter created a powerpoint for this last week. Just waiting for her to convert it to flash now - her first time. So taking a little longer than I had hoped. One of the draw backs of cheap ...
Thursday, 01 July 2010
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Re:P5 Internal transfer with total unchanged concept
(Forum/ThinkingMath@OnSponge)
Oh dear. Yours was just a silly mistake along the way. Mine was a trying to be too clever. Your revised answer is correct and I have updated mine (again slightly different than yours trying to keep ...
Thursday, 01 July 2010
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P6 Maths
(Forum/ThinkingMath@OnSponge)
... heading for village A. Devi started walking at a speed of 50m/min. At 10.10am, Famin started walking from town C just as Devi walked past him and travelled at a constant speed. At 10.15am, Famin was 500m ...
Thursday, 01 July 2010
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Area, Speed, Volume
(Forum/ThinkingMath@OnSponge)
... just as Devi walked past him and travelled at a constant speed. At 10.15am, Famin was 500m ahead of Devi. a)Find the speed of Famin. b)If Devi reached village A 40 min later of Famin, what was the distance ...
Thursday, 01 July 2010
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Re:P6 Maths
(Forum/ThinkingMath@OnSponge)
agreed. I was just creating a picture to get your confirmation ... Which regions are shaded ? [USER POSTED IMAGE] ...
Wednesday, 30 June 2010
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Re:P5 Maths - percentage
(Forum/ThinkingMath@OnSponge)
... person. Either way, IMO, it is far too difficult for the P6 - even Sec 1 or 2 I am sure, and I would just move on. In fact, this question would not be the first that causes debate. Math is meant to ...
Friday, 25 June 2010
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Re:Remainder questions
(Forum/ThinkingMath@OnSponge)
Question 2 is similar to the first question, just that Nickel has 50 stamps left. Using the same method to solve, you should be able to arrive at the answer of 180 stamps. Question 3 has some errors ...
Friday, 25 June 2010
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Re: P3 Maths - Money
(Forum/ThinkingMath@OnSponge)
YOU CHANGE THE CHICKEN WINGS TO THE SAME TO FIND OUT THE CHICKEN THIGHS GET IT? DON'T CARE TIMES WHAT,JUST AS LONG CHICKEN WING THE SAME ...
Thursday, 24 June 2010
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Circles
(Forum/ThinkingMath@OnSponge)
I just can't help to ask, how do you find the perimeter of a irregular shape in a square ...
Thursday, 24 June 2010