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Tag Archives: o level math tuition
Free Exam Paper: CHIJ Katong Convent Sec 3 Express Additional Mathematics
Katong Convent Exam Paper (Sec 3 A Maths, with answers)
Ten Year Series: How many questions or papers to practice for Maths O Levels / A Levels?
This is a question to ponder about, how many questions or papers to practice for Maths O Levels / A Levels for the Ten Year Series? If you searched Google, you will find that there is no definitive answer of … Continue reading
Exam Time Management and Speed in Maths (Primary, O Level, A Level)
Time management is a common problem for Maths, along with careless mistakes. For Exam Time management, here are some useful tips: 1) If stuck at a question for some time, it is better to skip it and go back to … Continue reading
Challenging Geometry E Maths Question — St Andrew’s Sec 3 Maths Tuition Question
Question: ABCD is a rectangle. M and N are points on AB and DC respectively. MC and BN meet at X. M is the midpoint of AB. (a) Prove that and are similar. (b) Given that area of : area … Continue reading
O Level Logarithm Question (Challenging)
Question: Given , find the value of . Solution: Working with logarithm is tricky, we try to transform the question to an exponential question. Let Then, we have . Here comes the critical observation: Observe that . Divide throughout by … Continue reading
Hwa Chong IP Sec 2 Maths Question – Equation of Parabola
Question: Given that a parabola intersects the xaxis at x=4 and x=2, and intersects the yaxis at y=16, find the equation of the parabola. Solution: Sketch of graph: Now, there is a fast and slow method to this question. The … Continue reading
Sec 2 IP (HCI) Revision 1: Expansion and Factorisation
This is a nice worksheet on Expansion and Factorisation by Hwa Chong Institution (HCI). There are no solutions, but if you have any questions you are welcome to ask me, by leaving a comment, or by email. Hope you enjoy … Continue reading
Why is e^(ln x)=x? (O Level Math/ A Level Math Tuition)
Why is ? This formula will be useful for some questions in O Level Additional Maths, or A Level H2 Maths. There are two ways to show or prove this, first we can let Taking natural logarithm (ln) on both sides, … Continue reading
The mass of particles of a certain radioactive chemical element (O Level Math Tuition Question)
Question from http://www.kiasuparents.com/kiasu/forum/viewtopic.php?f=29&t=8315&start=780 The mass of particles of a certain radioactive chemical element is halved every 10 months. During a chemical experiment, the initial mass of particles of the chemical element is 3mg. (i) write down an expression, in terms … Continue reading