## Secondary Math Revision Notes

Your Complete O-Level Math Formula Sheet

Download this formula sheet to learn all the formulas for O-level Math exams.

The formulas are broken up into different chapters so you can find them easily.

Common Map Scale Questions

Download these revision notes to learn how to solve the various types of Map Scale questions.

Learn to find actual length and area from maps and vice versa.

Mean, Median, Mode and Range

Download these Data Analysis revision notes to learn how to find the mean, median, mode, and range of a data set

Learn how to interpret data and write proper conclusions from the mean, median, and mode.

How to Find Bearing

Master this essential skill in navigating challenging questions in O levels.

Angle of Elevation and Depression

Download these revision notes to enhance/reinforce your knowledge of Trigonometry to find angle of elevation and depression.

Learn to apply your knowledge of Trigonometry to real-world scenarios.

Venn Diagram Set Notation

Learn how to read and sketch Venn Diagrams to solve common exam questions.

Set Language and Notation

These revision notes will help you learn and understand the concept of set language and notation.

Learn all the set language and notation here.

Sine Rule and Cosine Rule

Why do I use the Sine or Cosine rule? Download these revision notes to learn how to apply the correct rule and solve common Trigonometry exam questions.

It is suitable for secondary school students.

Coordinate Geometry Formulas

Learn the formulas for length, gradient, midpoint, and many, many more…

How to Plot a Stem and Leaf Diagram

In these revision notes, you will learn how to plot a stem and leaf diagram and the advantages and disadvantages of the different statistics plot types in Data Analysis.

Learn the essential skill of plotting and reading a stem and leaf diagram.

How to Draw Probability Tree Diagram

In these revision notes, you will learn the steps to draw a probability tree diagram.

Increase your chances of scoring A1 for O-levels here!

Mutually Exclusive Events and Independent Events

Learn the difference between Mutually Exclusive Events and Independent Events so that you will be proficient in solving Probability questions.

It is suitable for secondary school students.

How to Use Trigo R-Formula

Learn how to use the Trigonometry R-Formula and solve common O-levels A-Math (Additional Math) exam questions.

It is suitable for A-Math students.

How to Find Trigo Principal Value

Learn how to find Trigonometry Principal Value and solve common O-levels A-Math (Additional Math) exam questions.

It is suitable for A-Math students.

How to Derive a Number Pattern Formula

Learn how to derive a number pattern formula so that you will be proficient in solving Number Pattern O-Level Math questions.

Learn all the common formulas for Number Patterns here!

ASTC Trigo Rule – How to Solve Trigo Equations

What is the ASTC Trigonometry (Trigo) rule? How do we use it to solve Trigo equations?

Learn to overcome Trigo questions in Additional Math (A-Math) exams.

It is suitable for A-Math students.

Solving Quadratic Equations by Completing the Square

How do we complete the square? Learn how to solve quadratic equations by completing the square here.

It is suitable for secondary school students.

Similar Triangles Test – O Level Exam Preparation Guide

What are similar triangles? Learn how to test whether 2 triangles are similar to each other and the properties of similar triangles here.

It is suitable for secondary school students.

Congruence Test – O Level Exam Preparation Guide

What are congruent figures? Learn the steps for different congruence tests and the properties of Congruent triangles here.

It is suitable for secondary school students.

How to Make the Subject of the Formula

In these revision notes, you will learn the meaning of a subject of a formula and how to make a variable a subject of a formula.

How to Find a Turning Point by Completing the Square

Learn the steps to complete the square and find turning points of quadratic graphs. This is very useful for graph sketching.

It is suitable for secondary school students.

Angle Properties – O Level Revision Guide

Learn all the angle properties, different names of polygons, and interior and exterior angles, in these Secondary Math revision notes. Master Geometry questions for O-levels.

Let’s master Geometry here!

Here is a step-by-step tutorial to sketch quadratic graphs, find turning points, x and y intercepts, and line of symmetry.

Improve your skill of curve sketching here!

How to Find Distance from Speed Time Graph

Master the sketching of Speed Time Graph, Distance Time Graph, and Acceleration Time Graph in these Secondary Math revision notes.

Learn how to find the distance, speed, and acceleration.

Obtain this complete list of must-know A-Math Formula Sheet to help you ace the O-Level A-Math exams.

It is suitable for A-Math students.

Mensuration Formulas for O-Level E-Math

Download this essential formula sheet to revise and master all the must-know mensuration formulas for O-Level E-Math.

Keep it as a companion when solving questions on area, volume, and surface area.

Surds Rules – O Level A-Math Formula Sheet

It is suitable for A-Math students.

What Are The Laws of Indices In Math? O Level Math Exam Preparation Guide

It is suitable for Sec 3 and Sec 4.

All About Functions: O Level Math Exam Preparation Guide

Preparing for O Level Math Exams? Here’s a quick crash course on the Different Types of Functions and How to Draw Function Graphs.

It is suitable for Sec 3 and Sec 4.

Circle Properties: O Level Math Exam Preparation Guide

Preparing for O Level Math Exams? Here’s a quick crash course on Circle Properties with the different types of Circle Math Questions you can find in exams.

It is suitable for Sec 3 and Sec 4.