Step 1

understanding on each student's strengths and weaknesses

Step 2

strategic set of lessons

Step 3

practice makes perfect with more questions to address the weaknesses
 

SAT I Math: a collection of medium to hard questions

Thursday, November 18, 2010




This post is a collection of medium to hard SAT I Math questions of various subjects and suggested solutions. Getting the full mark in Math part is considered more easily than these other parts of SAT test. This post tries to give you some more preparation so that you won’t be surprised by and can solve tough SAT Math questions in your real test.


Question 1 (Statistics: Average): The average of 5 different integers is 25. The smallest of the 5 integers is 22. The largest of the five integers is N. How many possible values of N are there?

(A) 3        (B) 4          (C) 5        (D) 6         (E) 7

Show answer >>

Free revision workshops for GCE O level E-Math and A-Math - DEC 2010

Wednesday, November 10, 2010

The workshops are completely FREE. Registration is on first come first serve basis.
Topic: Trigonometry
Trigonometry is among the most important topics in Elementary and Additional Math which accounts for a high portion in total marks.
The workshops include theory review, practise questions, suggested solutions for past year exam questions. More importantly, MathQA will highlight several tactics to effectively deal with many different types of trigonometric questions.

Free Senior Olympiad Training for top scorers

Tuesday, November 9, 2010

The process includes 2 rounds:
  • Round 1: Online test including 5 questions below. Deadline: 25-Nov-2010.
  • Round 2: Paper test by invitation, for those who scores well in Round 1 test. The date to be confirmed.
Final result: Top qualified scorers will be given free weekly class to prepare for Singapore Mathematics Olympiad 2011.

Nonhomgeneous Differential Equations

Tuesday, November 2, 2010

Step by step to solve a typical Non-homogeneous second order Differential Equation.

2010 O level Additional Math paper 1 & 2 solutions

Full worked solutions for 2010 GCE O level A-Math paper 1 & 2. 

Conjugate surds

Saturday, October 23, 2010

Simplifying an equation using conjugate surds

Trigonometrical equation

Monday, October 18, 2010

A typical trigonometrical equation which helps students practice important formulas and identities. 

Trigonometry

A Secondary Olympiad question of maximum/minimum type which can be solved by Trigonometry.

fraction and remainder

Saturday, October 9, 2010

A question from a top school exam.









A similar question:
Every month Mum gives Cherry 400$ of which she spent 1/10 on transport. 
Her spending on movie is half of her spending on transport and her spending on tuition is five times of her spending on transport and movie. 
What is the remaining amount that Cherry would return to Mum at the end of the month?
1)   40
2)   50
3)   60
4)   30

Total and average

Thursday, October 7, 2010

Question below is from a top school exam year 2007

Now try a similar question:
The average cost of some math books in a box was $15 at first. To double the number of books in the box, a number of science books whose total cost is unknown are added to the box. The average cost of books in the box now is 20. Then, all math books are removed from the box. What is average cost of books in the box now?
(1) 15
(2) 20
(3) 25
(4) 30