Find maths notes, definitions and construction guides by topic. Use the level labels to choose resources for Junior Cycle Higher Level, Transition Year or Leaving Cert Higher Level.
Resources labelled for more than one level cover shared topics and can also support revision of earlier learning.
Algebra
Algebra: Key Terms
Review the vocabulary used when working with algebraic expressions and equations.
Functions
Functions: Key Terms
A reference sheet for the language used to describe functions.
Quadratic Functions: Key Terms
Revise the terminology used when studying quadratic functions.
Geometry & Constructions
Geometry: Key Terms
Review essential geometry vocabulary alongside your class notes.
Constructions: Key Terms
A vocabulary reference to support geometry and construction practice.
Altitude of a Triangle
Focus on the meaning of an altitude in a triangle.
Equations of Circles
Revision notes on the equations used to represent circles.
Trigonometry
Trigonometry: Triangle Summary
A triangle and trigonometry summary to use alongside your course notes.
Probability & Statistics
Probability: Definitions
Review vocabulary used in probability.
Probability: Further Revision Notes
Additional probability definitions and revision notes.
PDF currently unavailable. Please use your class notes for this topic.
Statistics: Key Terms
A reference sheet for statistical terminology.
Descriptive Statistics: Notes
Review the language and ideas used to describe data.
Construction Demonstrations
Step-by-step guides from Math Open Reference. These links open an external website in a new tab.
Bisecting an Angle
Follow the construction of an angle bisector.
Perpendicular Bisector
Follow the construction of the perpendicular bisector of a line segment.
Circumcentre
Explore the intersection of a triangle’s perpendicular bisectors.
Circumcircle
Explore the circle passing through the three vertices of a triangle.
Centroid
Explore the point where a triangle’s medians meet.
Incircle
Explore the circle tangent to the three sides of a triangle.
Orthocentre
Explore the intersection of a triangle’s altitudes.