Removal of CLT topics (again) 2021

For students wondering the impact of removal of CLT. This picture should explain. 🙂 Below is a compiled list of topics removed for other subjects. H2 Mathematics: Correlation & Regression H2 [...]

AY2021 June Revision J1 Revision Paper 1 Solutions

1. (a) 1. (b) is parallel to , where is a scalar. 2. Using partial fractions, we find that Using method of differences (DIY), we have that 3. differs from by less than 1 Plot the graph of and in [...]

AY2021 June Revision P&C Solutions

1. The two empty seats have to be considered as two identical objects, hence ways. 2. 3. or 4. 5. (a) 5. (b) ; 6. (i) or 6. (ii) 6. (iii) Case 1: 4 distinct letters. Case 2: Exactly 3 distinct [...]

2020 A-level H2 Mathematics (9758) Paper 2 Suggested Solutions

All solutions here are suggested. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. Numerical Answers (workings/explanations are after the numerical [...]

2020 A-level H2 Mathematics (9758) Paper 1 Suggested Solutions

All solutions here are suggested. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. Sorry, due to copyrights issues, I cannot share the paper. Numerical [...]

2020 A-level H2 Mathematics (9758) Suggested Solutions

The following are the links to the 2020 A-level H2 Mathematics (9758) suggested solutions by Mr. Teng. All solutions here are suggested. Mr. Teng will hold no liability for any errors. Comments [...]

Complex Numbers with Graphings Problem

N95/II/12 Given that where , express the real and imaginary parts of in terms of . (i) Hence show that the point representing in an Argand diagram lies on the curve with Cartesian equation . (ii) [...]

What’s on my mind for H2 Mathematics Paper 2 2018?

This is just me talking to myself… With paper 1 over, seems like this time round, the paper is slightly imbalanced. Questions that were too easy at the front, and last three became rather [...]

What’s on my mind for H2 Mathematics Paper 1 2018?

Firstly, everything here will just be me talking to myself and I am not spotting any trends. Functions, good to know how to do piecewise composite functions. Checking for inverse algebraically. [...]

Scatter Diagrams

I was teaching scatter diagram to some of my students the other day. A few of them are a bit confused with correlation and causation. I gave them the typical ice cream and murder rates example, [...]

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