O Level Math Challenge: IGCSE

O Level Math Challenge is a focused practice app for Cambridge O Level / IGCSE Mathematics students — built to make daily revision quick, honest, and a little competitive.

WHY STUDENTS USE IT
Practice with quick, timed 10-question quizzes across 24 topics covering the full syllabus — Number, Algebra, Geometry, Mensuration, Trigonometry, Statistics, Probability, and more. Every quiz is graded instantly (A* to E) with a full question-by-question breakdown and explanation, so you know exactly what to revise next — not just what you got wrong.

FULL SYLLABUS COVERAGE
24 topics, hundreds of original practice questions, mixed easy/medium/hard difficulty:
Number Concepts • Algebra Basics • Lines, Angles & Shapes • Collecting & Displaying Data • Fractions & Standard Form • Equations & Formulae • Perimeter, Area & Volume • Introduction to Probability • Sequences & Sets • Straight Lines & Quadratics • Pythagoras & Similar Shapes • Averages & Spread • Understanding Measurement • Solving Inequalities • Trigonometry & Bearings • Scatter Diagrams & Correlation • Managing Money • Curved Graphs • Symmetry & Loci • Histograms & Frequency Diagrams • Ratio, Rate & Proportion • Functions & Further Equations • Transformations & Vectors • Probability Trees & Venn Diagrams

STUDY YOUR WAY
• No account needed — enter as a guest and start practicing immediately
• Create a free account (email or Google sign-in) to save your progress across devices
• Track your best grade on every topic and revisit your quiz history any time

COMPETE WITH FRIENDS
• Climb the global leaderboard as you rack up XP from quizzes
• Create a private Friend Group with a simple invite code and compare scores with your classmates

BUILT FOR REVISION SESSIONS
Every quiz is short enough for a coffee break and focused enough to actually move the needle before your next test. No ads interrupting your practice, no clutter — just quick, honest feedback on where you stand.

Whether you've got 10 minutes before class or a full evening of revision ahead, O Level Math Challenge helps you find the gaps in your understanding and close them, one quiz at a time.