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Leaving Certificate Maths Notes and Help
*** Permuations and Combinations ***
A series of Permutations (Arrangements) and Combinations (Selections) questions created by the Project Maths Development Team for the launch of the new Syllabus in the early 2010s.
The accompanying solutions to this pack contain varying methods of solution showing the difference between the counting method and sequential probability method for questions about selecting cards, lotto balls etc.
This pack so important to go over in case of a dreaded 'Lotto' type question.
A lottery consists of drawing 6 balls and a bonus ball from a total of 45 balls. The balls are numbered from 1 to 45. If a person buys just one ticket:
What is the probability of getting 3 of the winning numbers plus the bonus ball?
Very difficult to do by sequential probability (multiplying fractions) so very important to know the 'choosing' method!
Navigate to:
📁 LCHL Resources by Topic
📁 Probability LCHL
📁 Probability LCHL Subtopics
Link in bio to sign up.
*** LCOL Number and Arithmetic ***
This is one of the major topics to look over if dropping last minute from Higher to Ordinary Level...
This pack has 30 questions across 3 levels of difficulty with worked solutions and an animated PowerPoint.
Topics include:
👉 Distance, Speed and Time
👉 Percentages
👉 Scientific Notation
👉 Rules of Indices
👉 Ratio and Proportion
👉 Comparing Types of Number
and lots more...
13/04/2026
🎓 Leaving and Junior Cert Revision Resources 🎓
We’ve just uploaded comprehensive revision plans (for all levels) to the website under the Resources by Topic tabs.
This plan touches on every topic on each course and is ideal for:
👉 students who are only getting started now
👉 those who want to make sure they revise everything again before June
It can be used alongside our Resources by Topic, which now include:
📄 1000+ pages of questions, organised by topic
🖥️ 2000+ slides of worked solutions (PDF & Animated PowerPoints)
We’ve also just completed our Guided Revision section, where each topic includes sections for:
👉 Essential
👉 Intermediate
👉 Advanced
allowing students to practise at the level that suits them.
On top of that, students get access to:
📘 Revision sheets (clear 2–4 page summaries per topic)
✏️ All learned-off material (proofs, constructions, etc.)
⭐ 50 Most Common Questions pack (with full solutions)
Altogether, it’s a complete revision system for the final term —
all for roughly the price of one Leaving Cert grind.
Click here to claim your Sponsored Listing.
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