(a)Write 3.0496 correct to 2 significant figures.[1]
(b)Write 0.000 407 in standard form.[1]
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O Level Mathematics D4024
2 papers200 marks4 h
What we predict comes up
From the syllabus weighting and how the papers are usually set. The papers below follow it.
- Algebra18%Equations, factorising, formulae, sequences, variation and inequalities are the largest single strand in 4024, mostly short items on Paper 1.
- Number15%Fractions, standard form, bounds, surds, percentages and money run through both papers, with the short items mostly on Paper 1.
- Functions and graphs14%Composite and inverse functions are new for 2025, alongside graph reading and kinematics graphs, which usually fill a long Paper 2 question.
- Trigonometry10%Sine and cosine rules with bearings, and a three-dimensional right-angled problem, are regular Paper 2 questions.
Paper 1: Non-calculator
2 h · 100 marks · No calculator
- Answer all questions.
- You must not use a calculator in this paper.
- Show all necessary working clearly; no marks will be given for unsupported answers.
- Give answers in the form asked for. Unless stated otherwise, give non-exact answers in their simplest form or correct to 3 significant figures, and angles in degrees correct to 1 decimal place.
- The number of marks for each question or part question is shown in brackets [ ].
Answer or mark a question and your score adds up here.
Answer all questions100 marks
Work out . Give your answer as a mixed number in its simplest form.[2]
(a)Write 84 as a product of its prime factors.[1]
(b)Find the highest common factor (HCF) of 84 and 90.[1]
(c)Find the lowest common multiple (LCM) of 84 and 90.[1]
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