Author Archives: Ai Ling Ong

Hi, I'm Ai Ling Ong. I enjoy coaching students who have challenges with understanding and scoring in 'O' Level A-Maths and E-Maths. I develop Math strategies, sometimes ridiculous ideas to help students in understanding abstract concepts the fast and memorable way. I write this blog to share with you the stuff I teach in my class, the common mistakes my students made, the 'way' to think, analyze... If you have found this blog post useful, please share it with your friends. I will really appreciate it! :)

O-Level Maths December 2014 Revision Workshops

 EM Functions & Graphs

How will our Year End Revision Workshops benefit your child ?

The Year End Revision Workshops will get your child to gain the momentum and confidence to:

  • Revise comprehensively on key essential concepts on a topic – by – topic basis.
  • Gain a better understanding of the topics.
  • Apply concepts on application examination questions

We know it isn’t easy for students to accomplish all the mentioned by themselves, with distractions from Internet, handphones, TV, friends, going out, no interest in subject, almost totally giving up on the subject…

Basic Essential Concepts Workshop 2013

Here’s what we have to help your child:

Annual Year End Revision Workshops for GCE O-Level Additional + Elementary Mathematics:

  • Designed into workshops with a focused topic(s) coverage, including key essential concepts, application strategies, relationship linkage, easy-to-remember analogies for understanding abstracts.
  • Our lessons are delivered in an interactive manner: participants are encouraged to take part in questioning and answering in every workshop. This ensures your child learns effectively within the shortest period of time.

Mole Calculations Revision

How can we be sure that our Year End Revision Workshops will help your child?

  • She is also the invited book author for the latest GCE O-Level Ten Years Series (2004-2013) for Additional and Elementary Maths, Mentor Series for Secondary 3 and 4 Elementary Maths.
  • She is also a full-time professional trainer who has over 15+ years of teaching experience.
  • Ai Ling has also worked with thousands and thousands of students (& parents) from more than 160 schools.
  • Ai Ling is writer for popular academic website widely read by almost ten thousands of local and international readers every month. She also produces Math videos which are viewed almost 220,000 times.
  • Proven track record: In 2013, the average O-Level grade for Elementary Maths and Additional Maths is A2!
  • Ai Ling & his colleague Sean had been invited by CDAC , SINDA and Mendaki to conduct revision programmes and public talks for O-Levels.

O-Level Elementary Maths Ten Years Series Book Topical Ai Ling Ong 300 O-Level Additional Maths Ten Years Series Book Topical Ai Ling Ong 300 O-Level Elementary Maths Ten Years Series Book Yearly Ai Ling Ong 300 O-Level Additional Maths Ten Years Series Book Yearly Ai Ling Ong 300   Elementary Maths Mentor 3 Cover Elementary Maths Mentor 4 Cover


"I especially enjoyed the functions and graphs workshop as I learnt many different ways to remember the shapes of curves. The workshop allowed me to gain confidence in handling the graph questions in the future. Besides, recaps in basics Trigonometry in E Math also allowed me to be more aware of concepts taught in school that I have get to grasp. I’d recommend anyone who’s unable to cope with studies to join Winners Education. Thank you Ai Ling!" Doreen Gan | Commonwealth Secondary

" The workshop explained challenging concepts in simple ways. Along with examples and a variety of questions that tested our understanding of the topic, this workshop helped me better understand the more complex chapters of math! " Nicholas Lam | St. Gabriel’s Secondary

Schedule for O-Level Revision Workshops

Maths Schedule

Click Here to Register Today

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2014 GCE O-Level Additional Maths 4047 Paper 1 Post Mortem

After doing the revised syllabus 4047 GCE O-Level Additional Maths Paper 1, it reconfirms that Cambridge is testing basic concepts but presented in a different manner.

There are many small details that candidate should look out for. I was underlining these small details eg acute angles, exact value, in radians, the acute angle, x coordinate.

I highly recommend all candidates to read your question carefully, keep asking yourself if you have answered the question.

An additional point to highlight is look at the allocation of marks to gauge the amount of working to present, the choice of approaches to use.

Based on what have been tested in Paper 1, we are looking forward to the following concepts in Paper 2:

  • Indices
  • Logarithms
  • Sum & Product of roots
  • Factor Remainder Theorem (solving cubic equations)
  • Equation of circle (*Draw if you don't understand the question)
  • Trigonometry Graphs
  • Trigonometry Double Angle
  • Geometry Proof (Please know your congruent and similar triangles tests) 
  • Parabola & General shapes of graphs in the form y = ax^n (where n is a fraction)
  • Area under curve
  • The Hence concept (Differentiation & Integration combined)
  • Kinematics 

I would be expecting cross-chapters questions tomorrow. Just like you, I'm a candidate so the above list is just my suggestion.

All the best for the final Maths paper. See you at the finishing line.

PS: Don't worry about bell curve! It's beyond our control!

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2014 GCE O-Level Elementary Maths 4016 Paper 1 (Post Mortem)

After completing this year O-Level E-Maths Paper 1, I personally find that the difficulty level has increased compared to the last 3 years.

I was slightly shocked to see question 1 as a arrangement question.Quite a handful of students commented that there are questions which aren't even Maths questions.

  • One of the questions is "Questionnaire on how much time does student spoil on Internet". It was probably what the question is asking for which brought some surprises to the candidates.
  • I found the cuboid, cube and the equal area of rectangles questions well crafted.
  • The train leaving tunnel was sneaky. It reminded me of PSLE Math.
  • I like the number pattern question as it has a twist to it. Instead of listing down the first few terms, they skipped some terms. It was very refreshing.
  • One of the observations I have: 2014 Paper 1 has a few questions which are 3-5 marks for a single part. It seems to deviate from the usual short questions of 1 to 3 marks in the past few years.

Based on what were tested, we are logically make some guesses of what we are expecting in Paper 2. The following topics are what I'm suggesting and they are for reference only:

  • Standard form
  • Scales & Maps
  • Factorisation
  • Solving simultaneous equations
  • Solving fractional equations
  • Inequality
  • Subject formula
  • General shapes of graphs
  • Functions & Graphs
  • Quadratic equations & Graphs
  • Distance, speed and acceleration graphs
  • Construction of bisectors
  • Congruent & Similar Figures
  • Angle & Symmetry Properties of circles
  • Arc length, area of sector and radian measure
  • Pythagoras’ theorem and Trigonometry
  • Mensuration
  • Coordinate Geometry
  • Mean & SD
  • Cumulative frequency
  • Vectors (ratio of areas, magnitude, linked to coordinate geometry)

Regardless of how you think you have fared for Paper 1, continue to work hard for Paper 2 which is 9 days away. Practice daily!

All the best!

Edit: My view on O-Level exam answers as reported in 4 November 2013 TODAY papers.

Ai Ling views on exam answer heats up on web


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