Free worked solutions · O-Level E-Math 2022
All 10 questions from O-Level / IP E-Math 2022 Paper 2, each with a verified step-by-step solution.
Fractional linear equation
10 marks: 2 + 1 + 4 + 3 · number & algebra (equations, fractions, completing the square)
Simple vs compound interest
11 marks: 1 + 3 + 3 + 4 · number & algebra (interest, currency)
Cumulative-percentage curve
8 marks: (a) 1 + 1 + 1, (b) 2, (c) 3 · statistics (cumulative percentage curve)
Cubic table of values
10 marks: 1 + 3 + 2 + 4 · number & algebra (cubic graph)
Volume & surface area of a (half) cylinder
8 marks: (a) 2 + 3, (b) 1 + 2 · geometry & measurement (mensuration, similar solids)
Angle in a semicircle
12 marks: (a) 2, (b) 3, (c) 4 + 3 · geometry & measurement (circle properties, similar triangles, arc)
Area of a trapezium on a face
10 marks: 3 + 2 + 5 · geometry & measurement (3-d solid)
Distance formula
11 marks: (a) 2 + 1 + 3, (b) 5 · number & algebra (coordinate geometry & vectors)
Set notation (complement
9 marks: (a) 1 + 1 + 2, (b) 1 + 2 + 2 · statistics & probability (sets & probability)
Rate (items per time)
11 marks: 1 + 2 + 8 · number & algebra (rates, modelling, extended reasoning)
Genius Plus Academy · O-Level & IP Mathematics
Our O-Level E-Math tuition trains the same recognise-the-structure method these worked solutions show, taught by a team that has marked these papers for years. It runs within our weekly Secondary Math programme, Sec 1 to 4 and IP.
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