AQA GCSE Mathematics 8300 · R9
Percentages and percentage change
- Code
- R9
- In
- 3.3 Ratio, proportion and rates of change
- Course
- GCSE Mathematics 8300
- Board
- AQA
Grade boundaries·AQA command words
Codes and titles are read by a script from AQA's published specification and have not been checked by a person. What each point covers is in the specification itself: AQA’s specification.
Points in 3.3 Ratio, proportion and rates of change
- R1 Converting standard and compound units
- R2 Scale factors, scale diagrams and maps
- R3 One quantity as a fraction of another
- R4 Ratio notation and simplest form
- R5 Dividing quantities in a ratio
- R6 Multiplicative relationships as ratios or fractions
- R7 Proportion as equality of ratios
- R8 Ratios, fractions and linear functions
- R9 Percentages and percentage change
- R10 Direct and inverse proportion problems
- R11 Compound units such as speed, density and pressure
- R12 Comparing lengths, areas and volumes with scale factors
- R13 Equations of direct and inverse proportion
- R14 Gradient as a rate of change
- R15 Instantaneous and average rates of change
- R16 Growth, decay and compound interest