#### This is a comprehensive list of Math topics that are relevant for GCSE and IGCSE exams (including grade 9 and 10), US high school and many other math exams worldwide. The list gets updated on a weekly basis.

# Numbers

**What are Prime numbers?****Prime factorisation****Highest Common Factor (HCF)****Lowest Common multiple (LCM)**

**Decimal Numbers **

**How to add decimal numbers****How to subtract decimal numbers****How to multiply decimal numbers****How to divide decimal numbers**

#### Fractions

#### Number sequences

**How to calculate the next numbers in a sequence****How to define a common term for a given number sequence**

# Algebra

**Basic Algebra calculations****How to write a Algebra formula****How to find the value of a variable in a formula?****How to change the subject in a formula****Multiplying brackets – part 1**- Multiplying Brackets – Part 2
**What is a Quadratic formula?**

# Geometry

**How to calculate the area of a triangle and a rectangle****How to calculate the area of a Parallelogram****How to calculate the area of a Trapezium****How to calculate the area of a circle****Circle Geometry****Angles of a Straight Line****Vertically opposite angles**

# Pythagoras theorem

# Statistics

**Introduction to MEAN**

**Introduction to MEDIAN****Introduction to MODE****How to calculate the RANGE of a given set of numbers**

# Probability

**Introduction to Probability****Introduction to mutually exclusive events****How to calculate the probability of a event not happening****How to calculate the probability of an outcome**