Wednesday, April 14, 2010

Maths or English?

Sometimes it is not easy to set questions that distinctively test on a single subject, especially when understanding the question that is expressed in some written words.

Here is a primary 2 question:
Natasha plants 6 trees on each side of a square garden. There is a tree at each corner of the garden. How many trees are there altogether?
Depending on different understandings, these may be the solutions given by students:
(a) 6 at each side and a square has 4 sides, 1 at each corner and a square has 4 corners. Thus, there are 6x4 + 1x4 = 24 + 4 = 28 trees

Tuesday, April 13, 2010

Be really safe

Just a quick note to say that the location of the rear light may not be good. It will be blocked when either
(a) the students sling his/her bag behind too low, or
(b) some items are placed on the rear rack.
Picture from The Straits Times article Safe cycling clinic for schools in Tampines.

Monday, April 12, 2010

Snail up a wall

I didn't learn nor read any text regarding Model Drawing as taught in Mathematics classes in Singapore. I am trying this out. Let see if I am on the right track.

Question: A snail is climbing up a wall 20m high. Everyday it climbs up 5m & slips down 2m at night. How many days will it take the snail to reach the top of the wall?

A typical old-days approach would be: each day up 5m and down 2m giving net up of 5-2=3m. To cover 20m, it would take 20/3 = 6 2/3 days. However, this is not exactly correct. This knowledge led me to draw a diagram that gives the above wrong answer. This is a common mistake by many students

Saturday, April 10, 2010

Alvin? who? Chipmunks? What?

This is a Sponsored Post written by me on behalf of Alvin and the Chipmunks. All opinions are 100% mine.

Oh, are they some kind of cartoon/comic/game/movie characters? Sorry, I have very low knowledge on these. I gathered that Alvin is a cartoon character in a movie also acted by real human beings.

From the reviews, it should be a family friendly film, talking about some life lessons. It is suggested to be best for kids from 6-9, but beware of some mild rude humor in it.

Anyway, I bet most of you know Alvin and the Chipmunks better than me. Thus, you should likely be more excited than me that "Alvin and the Chipmunks: The Squeakquel" is available on DVD and Blu-ray, or you could also download it.

If you want more fun, there is a Double DVD pack. It contains more music, mayhem and singalongs in "The Squeak Along" Bonus Disc. How much? Two DVDs at the price of one!

I playfully munked myself at Isn't it cute? Clearly, my artistic quotient is quite low. By the way, can someone tell me what did Alvin say?

It is fun! Try it out or visit for More Munk Mayhem, or just buy it now.

May be I should see if my 2+ year old kid is able to do the munking. However, there is always the concern or worry that he likes it too much and keep wanting to do it.

Visit my sponsor: Alvin and the Chipmunks:

Tuesday, April 6, 2010

Mind and body age mismatch

Just heard from wife some days ago that son's classmate is a boy who was abandoned by both his father and mother. We know of another boy in our neighborhood whose young parents were separated less than a year after married and he is raised by his paternal grandparents.

We are not social workers. I believe social workers have more to tell.

Physical body grows according to natural laws, while [spiritual] mind grows from life experiences and guidance from parents and elders. There is too much academic education for the brain, yet virtually no proper education for the mind.
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