There was a comic going around recently. The elephant, monkey, penguin and others were told to climb a tree and all had to perform the same task to ensure a fair selection. The cartoon took shots at the examination system- how each individual is geared differently and how it shouldn’t test everyone the same way.[…]
As we approach the year-end examinations, we get academic queries from parents on our wall and private messages. Thought it would be great to share the questions and solutions with everyone here. Science: Question: Wallace: I’ve seen this question before. It’s not a good one to be honest. There’s elastic spring force acting on the[…]
At first: ratio 3 : 1, difference = 2After: ratio 6 : 1 difference = 5Since the difference in price between the bear and clowns are the same, we make the ratio so that the difference is the same. So we multiply the first ratio by 5 and the second ratio by 2. i.e.At first:[…]
Last week, we wrote a note for students who are on the verge of failing the PSLE. Today, we focus on helping students who are eyeing the A*. Note that PSLE is based on a bell curve, i.e. your grades are based on how your peers perform. It doesn’t mean that you automatically get an[…]
Tuition classes are typically boring. And the poor children are usually so tired after school. So it’s always our objective to have fun even as we learn. In one of the segments for our P3/4 Maths class, the student needs to think react quickly to Maths problem posed by Wallace. Every correct answer gives him[…]
This seems to be quite a common question – and it can be pretty tough. Try your best to solve it before looking for the answer below! Are there any other methods to solve this?
This is said to be a Maths questions taking from an admission test for a Hong Kong primary school. We can’t verify that. Nonetheless, the question is very interesting and it shows how Maths is about thinking out of the box. What is your answer? ANS: The solution: imagine you are retrieving your car at[…]
This is a challenging question that we came across in class today. Here’s the question and two possible methods. Let me know if you have other methods! Question: Mary bought some red marbles and gave half to Noel. Noel bought some blue marbles and gave half to Mary. Mary lost 16 red marbles and Noel[…]
I am a typical humanities student. I never had the flair for Maths and Science. If I did well for my Sciences, it was sheer hard work. In the good old days, we started learning Science only when we were in Primary 4. I remember my first CA well. I was very used to getting[…]
Telling the time from an analog clock doesn’t come naturally especially in this day when everything is digital. Here, I created three sets of cards. The first set would be “5 minutes”, “10 minutes”, “a quarter” etc. The second set would be “before”, “to”, “past”, “after”. The third set would be “2”, “5”, “9”, “noon”, “midnight”.[…]