O-Level A-Math · Past paper · Model solutions
Fully worked model solutions for the 2021 O-Level A-Math Paper 1 examination paper, hand-written by Mr Alvin Yeo of The Annexe Project. Every method step is shown in the format the Cambridge marking scheme rewards, so students can check not just the final answer but the working that earns the marks. The companion Paper 2 solutions are also free.
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Prepared by Mr Alvin Yeo, principal tutor at The Annexe Project, these suggested solutions are part of the resources used in O-Level A Math tuition. Each question includes full working and is presented with exam-style structure to support effective revision.
Solutions to Paper 2 are also available.
While care has been taken to ensure accuracy, Mr Alvin Yeo does not accept liability for any errors.
Need the formulas? See the O-Level maths formula sheet (what is given in the paper and what must be memorised).