## thoughts & notes

September 12, 2017

In this post, we take a look at a "tricky" question whereby the concept of function / graphing transformation is merged together with the concept of complex numbers (roots of polynomial). Due to copyright issues, the question below has been modified, but the essence of...

September 12, 2017

In this question, we take a closer look on a question on vectors in which many students will only get half the credit even though they may know the topic very well. It is all about being "exam smart" and think from the examiner's point of view what are the answer(s) th...

September 12, 2017

In this post we take a look at a probability question which involves the sketching of Venn diagram. This question also highlights a common mistake a student on independent events. Due to copyright issues, the question posted below has been modified but the original ess...

September 12, 2017

In this post we take a look at finding the points on a line which has a specific distance away from another point. The "hence" part of this question is actually a thinking question in which the solution is very simple if a student catches the link from the previous par...

September 12, 2017

In this post we will look at a question on finding the intersection point between 2 lines. This question is fairly routine, just that the equations and answer is all in terms of unknown "a" and "b" which might make some students feel uncomfortable. Due to copyright iss...

September 11, 2017

In this post we take a closer look at a question on application of integration, which is crafted in a way many students could not tell which topic this question is about. Through this question we see that the recent A level questions could be "unguided". Due to copyrig...

September 11, 2017

In this post we take a look at a question on probability that may look daunting at first sight due to the length description. However this question is actually pretty simple. Due to copyright issues, the question has been modified but the essence of the original questi...

September 11, 2017

In this post, we will take a closer look on one slightly unusual question piecewise function defined on non-negative integers. Due to copyright issues, the question below has been modified but the essence of the question remains the same.

September 11, 2017

In this post, we will take a closer look at 2016 H2 Math P1 Q3, which can be a little "tricky" to students due to the way the question is phrased when it fact it is a very easy question.

** Due to copyright issue, the question posted here has been modified but the essen...