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It was a multiple choice problem. You only need to pick a choice. But I present it this way to see if people really understand the problem. You actually learn algebra since you were in grade 2! Algebra is just a way of thinking. In grade 2 you surely had problems like "John has 5 fruits. John...

Honestly you guys got close but did not quite solve it. Some got it right but by the wrong way, therefore invalid. Some just got it wrong straight out. What I mean is it is still wrong if you get the right answer using the wrong method. I would like once again show the original question which...

Thanks for the info. So it's not dead. It's again up to the teacher to teach. I guess soon you will start University where you will find that the ability to derive formulas is a must. This is particularly true if you take all strands of mathematics including applied math and pure math. In pure...

Trebla, thanks for your comments. One of the most powerful and most abused tool of the human mind is the ability to generalise. In mathematics, this is a formal concept called generalisation which, in many ways, simplifes and extracts the essentials to produce rules that could qualify over as...

You are so close. Your reasoning is clear. But you say "The wording of 'faster' should not matter". This is what's wrong. It does matter as far as the author of this question was concerned (all selective school tests are prepared by ACER in contract with the NSW DET). I know a lot of people know...

It's not a riddle. It's a real question from selective school test for year 6. It's not about being smart. No one is trying to be smart here. I would like to see if any one here can completely solve this problem providing a bullet proof solution. Can you show the proof that support your...

Hey, the tutors and colleges that advertise here should try this question too! Don't look for my analysis of it posted on the Internet. It might even misled you. Some even claim that they can help 70% of their kids to get into selective schools. Try to solve this real selective school test...

Surely a better attempt to address the question showing some valid relationships. But sorry, no. You answer another question that wasn't asked for! Again, blood critical thinking is required here. Many adults out of their black heart have called selective school students as hard-working morons...

Oh, please! Don't look at my previous tussle with US guys! BTW, what I provided wasn't the completely mathematically correct answer. In fact it was more of the wrong way that arrived at the right answer. I promise to give a beautifully mathematically correct algebraic solution. So please wait...

Have a think again! She did not cycle 15mins faster. She saved 15 minutes by cycling. Know what I mean when I say it's confusing just by looking at the plain English comprehension.

Just as I expected. This problem was in a selective school test for kids at early year 6. The kids get 40 questions to be completed in 40 minutes. A problem like this only allow them 2-3 minutes to think. And often the most intuitive thing that appears in mind is the wrong answer. It's tough...

Thanks a lot guys, you guys are very honest. I fully appreciate the enormity of the problem right now. I fully agree that language, spelling, grammar are all important things but mathematics is very important too for a nation that wants to become smart. The Russian, US and Europeans did not rely...

Oh gosh, is that how you guys at HS think mathematics should be taught or learned? That way is simply the applying of a rule that teachers did not care to fully explore and explain how that rule was derived during the last 200 years. Wait until you guys get into University and if you guys ever...

I'd like to get an idea how math teachers teach the kids to do division of fraction in modern times. I was shocked when I saw how professional teachers in a video clip offered in a HomeTutor product from Telstra Bigpond show kids how to do fraction division. This is what they show 2/3 <meta...

I found a little math problem from an old selective school test. Let's see if you smart kids out there can solve this grade 5-6 problem. If you cannot, perhaps you need tutoring, otherwise you just do well by self-learning --- Anna walks to school in 20 minutes. Anna can cycle to the school in 5...

The big coaching colleges are pretty much useless for this purpose. My nieces and nephews went to all of these colleges, failed OC badly and later only scrape in selective schools because their parents also hire private tutors to help at home in the year prior to the tests. I never hire tutor...

So many people have negative about Kumon. It's perhaps because they have teachers that don't know how to teach. From what you mention here, it looks like they have a philosophy in teaching (unlike many other places). I am not a tutor but I tutor my own kid. I throw a lot of questions to my kid...

When you get to University, you contact the Student Union services. They offer a service allowing parents to contact to find private tutors. This will really help too. Tutoring is pretty much a business that go from mouth to mouth. You get your first job, and if you help a kid well, your name...

Truong's tutoring, any comments? I have heard about Truong's tutoring for a long time. My niece went there for year 7 but now dropped out and use private tutor instead. I heard that Truong's method is to focus on the basics to make sure kids learn and understand what they do. Also Truong hires...

I have nephews and nieces going to selective schools. They do seem to need tutoring badly. Without tutoring they just fall behind their class mates who also have intensive tutoring. I believe tutoring breeds the need for tutoring just like addiction. Tutored kids are given the "best" methods to...