Chemistry – Acids and bases (How to determine strong and weak acids)

There are some common questions on determining weak and strong acids. Yet usually cant find this in textbooks. This is because this type of question spans across a few chapters. 🙂 Most students have no issues understanding that the strength of the acid is indicated by their pH values. But often they miss out that Read more about Chemistry – Acids and bases (How to determine strong and weak acids)[…]

How to solve Sec 2 inversely proportional Maths question

Hi, I finally uploaded an youtube video to show how to solve Sec 2 inversely proportional Maths question. Usually, the k constant is shown so it is relatively easy to calculate the change in one variable when the other variable change. However, there are some questions where the k constant is not made known. Some Read more about How to solve Sec 2 inversely proportional Maths question[…]

Proving Trigonometry identities

One of my Sec 4 girl send me these proving trigo identities questions few days ago. I am so sorry I have been very busy with tutors referrals and CNY preparation that I can only reply today. 🙂   Decided to post the solutions up on the blog since I have a little time this Read more about Proving Trigonometry identities[…]

Sec 2 Maths Direct and Inverse Proportion

I realise that many of my Sec 2 students find proportion question pretty easy except questions on the type of questions where by1 variable is changed and the question ask how will the other variable be affected. Hence, I am going to list down the 3 steps method taught during my lessons. Qns) Given that Read more about Sec 2 Maths Direct and Inverse Proportion[…]

Interesting Sound Video

Sound is a topic in lower secondary science and in upper secondary physics. Came across one video on sound on facebook and thought that its pretty cool. Decided to share it here with my students.   Click on the SOUND link to watch. Sound   Exercise your brain a bit now. Try to answer the Read more about Interesting Sound Video[…]

Algebra Sec 1 Simplify, Factorise, Solve

Hey! To my Tues Sec 1 Maths students, here is the algebra worksheet homework. Please complete and hand in next lesson. You may print out the worksheet or just write the questions in your exercise book. Do not forget to complete them. Failure to do so will face ‘punishment’ next lesson. Hee. Jeslina and Tessa, Read more about Algebra Sec 1 Simplify, Factorise, Solve[…]

Mass and Weight

For my lower secondary science students, I found 2 cute clips that shows the differences on mass and weight.   After watching these 2 videos, I need you to do something for me. Do not worry. I will not ask you to sing. 🙂 I need you list down 4 differences between mass and weight. I Read more about Mass and Weight[…]

Amaths Modulus Function Graphs

Ophelia, Wanchi, Olivia, Zoey I understand you are doing this topic in school now. Please complete the following 3 questions and hand up to me next lesson.   **Please remember to find and state the x, y -intercepts and turning points for the sketching of graphs ALWAYS!! 😉