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3.1.9 Percentages — Edexcel Mathematics 1MA1 | GradeGen.AI
Mathematics
Ratio, Proportion and Rates of Change
Ratio and Proportion Fundamentals
Percentages
Percentages
Edexcel GCSE Mathematics (1MA1) — Ratio, Proportion and Rates of Change
What You Need to Know
Define percentage as ‘number of parts per hundred’.
Interpret percentages and percentage changes as a fraction or a decimal, and interpret these multiplicatively.
Express one quantity as a percentage of another.
Compare two quantities using percentages.
Work with percentages greater than 100%.
Solve problems involving percentage change, including percentage increase/decrease and original value problems.
Solve simple interest problems, including financial mathematics.
Revision Notes
1
Percentage Fundamentals and Multipliers
5 key terms
Practise with Past Papers
Key Terms & Definitions
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Ratios and Linear Functions
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Direct and Inverse Proportion
2
Percentage Change and Original Value Problems
7 key terms
3
Simple Interest and Financial Mathematics
8 key terms
