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AQA GCSE Mathematics (8300)

AQA GCSE Maths, with your working checked.

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Work out 3/4 + 2/5. Give your answer as a mixed number.[2 marks]

This is worth 2 marks. They go for:

  • Use a common denominator: 15/20 + 8/20 (1 mark)
  • = 23/20 = 1 3/20 (1 mark)

Examiner tip: Read the last line of the question. An improper fraction like 23/20 can lose a mark when it asks for a mixed number.

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Assessment

How AQA GCSE Mathematics is assessed

Three papers, each worth a third of the grade, all taken at the same tier. Foundation tier covers grades 1–5 and Higher tier grades 4–9. A Higher student who just misses grade 4 can be awarded a 3.

Specification 8300, first examined in 2017.

Foundation or Higher tier

  • Paper 1

    Non-calculator

    Time
    1 h 30 min
    Marks
    80
    Weight
    33.3%

  • Paper 2

    Calculator allowed

    Time
    1 h 30 min
    Marks
    80
    Weight
    33.3%

  • Paper 3

    Calculator allowed

    Time
    1 h 30 min
    Marks
    80
    Weight
    33.3%

Each paper mixes short questions with multi-step problems.

There is no coursework. All three papers are written exams.

From the official AQA syllabus, checked October 2026. Read the syllabus

Syllabus content

What’s on the AQA GCSE Maths syllabus

  • Number
  • Algebra
  • Ratio, proportion and rates of change
  • Geometry and measures
  • Probability
  • Statistics

Where marks are lost

Common AQA GCSE Maths mistakes

  • Sharing in a ratio by dividing by each part.

    To share in the ratio 2 : 3, add the parts to get 5, find one part, then multiply. Dividing by 2 and by 3 is a common slip.

  • Writing 0.3 recurring as 3/10.

    0.3 recurring is 1/3. Recurring decimals have exact fractions, and Higher papers ask you to prove them.

  • Losing the decimal point without a calculator.

    Estimate first by rounding: 0.4 × 23 is about 0.4 × 20 = 8, so an answer of 92 must be wrong. It’s 9.2.

Six maths tutors, six ways to learn

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See how each one teaches How the AI tutor works
  • ArjunConcept explainer
  • MiraStep by step
  • KofiExam coach
  • SofiaQuick revision
  • RaviChallenger
  • HanaConfidence builder

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FAQ

AQA GCSE Maths questions, answered.

Yes. Ask a step-by-step or challenger tutor to work on the Higher-only topics, like the quadratic formula and circle theorems, at your pace.

Yes. Ask for non-calculator practice in the style of Paper 1, and a quick-revision tutor for short arithmetic drills.

AQA offers GCSE Maths in November as well as the summer, for students aged 16 or over. Check entry with your school.

Yes. The free plan includes 5 tutor messages and 15 minutes of calls a day. Pro and Max give you more when exams get close.

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More AQA GCSE subjects

Maths in other curricula