GCSE Maths Foundation · AQA

GCSE Maths Foundation guides

Short, practical guides to the mistakes that cost AQA marks — and the reliable method to avoid each one.

• How to Convert a Fraction to a Decimal

  Learn how to convert a fraction to a decimal for GCSE Foundation maths by hand, using division or equivalent fractions, with a worked example and FAQs.

• How to Find a Percentage of an Amount

  Learn how to find a percentage of an amount for GCSE Foundation maths, with or without a calculator. A clear step-by-step method, worked example and FAQs.

• How to Find the Area of a Compound Shape

  Learn how to find the area of a compound shape for GCSE Foundation maths by splitting it into rectangles, with a worked L-shape example and FAQs.

• How to Round to a Decimal Place

  Learn how to round to a decimal place or significant figure for GCSE Foundation maths, with the simple rounding rule, two worked examples and FAQs.

• How to Share an Amount in a Given Ratio

  Learn how to share an amount in a ratio for GCSE Foundation maths using the parts method, with a clear worked example, common mistakes and FAQs.

• How to Simplify a Ratio

  Learn how to simplify a ratio to its simplest form for GCSE Foundation maths by dividing by the highest common factor, with a worked example and FAQs.

• How to Work Out a Percentage Increase

  Learn how to work out a percentage increase or decrease for GCSE Foundation maths using the multiplier method, with a clear worked example and FAQs.