Year 9 Higher Maths Formula Sheet  EOY

Complete Year 9 Higher Maths Formula Sheet covering algebra, geometry, trigonometry, graphs, indices and more. Clear, exam‑ready reference for class or revision.
A complete Year 9 Higher Maths Formula Sheet covering all essential algebra, geometry, trigonometry, statistics and graphing formulas. Designed for quick revision, class use, homework support and exam preparation. Clear, student‑friendly layout with all key equations in one place.

This resource is ideal for:

Year 9 Higher classes
IGCSE preparation
Revision lessons
Homework reference
End‑of‑topic consolidation
Intervention and catch‑up support

What’s Included
This formula sheet contains all major formulas needed for Year 9 Higher Maths, including:

Algebra
Expanding brackets
Factorising
Difference of squares
Quadratic Formula
Discriminant explained
When solutions are real / repeated / complex
Indices & Standard Form
Laws of indices
Standard form rules
Geometry & Angles
Interior angles of polygons
Regular polygon angle formula
Parallel line angle rules
Trigonometry
SOH CAH TOA
Sine Rule
Cosine Rule
Area of a triangle using trigonometry
Pythagoras’ Theorem
Area & Volume
Rectangle, triangle, trapezium
Circle area & circumference
Cylinder, prism, cone, sphere formulas
Statistics
Mean, median, mode, range
Frequency density
Coordinate Geometry
Gradient formula
Equation of a straight line
Midpoint formula
Ratio, Proportion & Percentages
Dividing ratios
Percentage change
Reverse percentages
Circle Theorems (Higher)
Angle at centre
Cyclic quadrilaterals
Tangent properties
Alternate segment theorem
Quadratics & Graphs
Line of symmetry
Turning point
Gradient of tangent (IGCSE extension)
Compound Interest / Growth