Powers and Indices Powers and indices provide a compact notation for repeated multiplication and support efficient calculation. Meaning and laws […]

Fractions and BODMAS Fractions can be combined in expressions, but the order of operations must be respected. Operations Use a […]

Proportion, Profit, Loss, Interest and Currency Exchange Commercial arithmetic applies ratio and percentage ideas to prices, investments and exchange rates. […]

Decimals, Estimation, Approximation and Significant Figures Decimals can be calculated exactly or approximated to a stated degree of accuracy. Place […]

Coordinate Geometry: Distance, Midpoint and Gradient Coordinates allow geometric relationships to be calculated from ordered pairs. Formulas For A(x₁,y₁) and […]

Angles and Polygons Polygon problems use angle relationships to find missing values and classify shapes. Angle facts Angles on a […]

Triangles: Pythagoras, Angles and Congruence Triangle geometry combines angle sums, right-triangle calculations and tests for congruence. Key facts The angles […]

Mensuration: Cubes, Cuboids, Cones and Cylinders The volume of a solid measures the space it occupies, while surface area measures […]

Circles: Area, Arc Length and Sector Area Circle measures depend on the radius, central angle and the value used for […]

Algebra: Key Terms, Expressions and Linear Equations Algebra uses letters to represent unknown or changing values and rules to manipulate […]