Due to convid-19 situation, Ministry of Education (MOE) Singapore has announced the common last topic (CLT) will not be examined in 2020 GCE O Level Additional Maths examination.

- Quadratic equations & Inequalities (include solving simultaneous equations, sum & product of roots)
- Indices & surds
- Polynomials & partial fractions (factor - remainder theorem, solving cubic equations)
- Binomial expansions
- Power, exponential, logarithmic & modulus functions
- Trigonometric functions, identities & equations
- Coordinate geometry in two dimensions (include circle, straight line graphs, parabolas graphs)
~~Proofs in plane geometry~~(CLT)- Differentiation & integration