1. The problem: Summarize the IGCSE Math No Calculator syllabus and exam tips for understanding. 2. The IGCSE Math No Calculator syllabus covers key topics: Number, Algebra, Geometry, Trigonometry, Statistics, and Probability. 3. Important rules: - Number: Understand integers, fractions, decimals, percentages, ratio, and standard form. - Algebra: Master expressions, equations, inequalities, sequences, and graphs. - Geometry: Learn properties of shapes, angles, transformations, and mensuration. - Trigonometry: Know sine, cosine, tangent ratios and their applications. - Statistics: Interpret data, averages, and charts. - Probability: Calculate simple probabilities and use probability rules. 4. Exam tips: - Practice mental arithmetic and estimation since calculators are not allowed. - Show all working clearly; partial credit is often given. - Memorize key formulas and understand when to apply them. - Manage time effectively; some questions require multiple steps. - Review past papers to familiarize with question styles and mark schemes. 5. Example formula: Quadratic formula for solving $ax^2+bx+c=0$ is $$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$$. 6. Understanding graphs: Plot points accurately and interpret intercepts and gradients. 7. Practice factorization and simplification to solve algebraic expressions efficiently. 8. Geometry proofs require logical reasoning and clear step-by-step arguments. 9. Trigonometry problems often involve right-angled triangles; use SOHCAHTOA to find missing sides or angles. 10. Statistics questions may ask for mean, median, mode, or range; know how to calculate each. 11. Probability questions require understanding of sample space and event likelihood. 12. Consistent practice and revision of each topic will build confidence and improve exam performance. Final advice: Focus on understanding concepts deeply rather than memorizing procedures alone.