WJEC GCSE (9–1) Mathematics C300QS · HR4
One quantity as a fraction of another
- Code
- HR4
- In
- HR Ratio, proportion and rates of change
- Topic
- H Higher tier
- Course
- GCSE (9–1) Mathematics C300QS
- Board
- WJEC
Grade boundaries·WJEC command words
Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.
Points in HR Ratio, proportion and rates of change
- HR1 Converting standard and compound units
- HR2 Density and pressure
- HR3 Scale factors, scale diagrams and maps
- HR4 One quantity as a fraction of another
- HR5 Ratio notation and simplest form
- HR6 Dividing quantities in a ratio
- HR7 Multiplicative relationships as ratios or fractions
- HR8 Proportion as equality of ratios
- HR9 Ratios, fractions and linear functions
- HR10 Percentages and percentage change
- HR11 Direct and inverse proportion
- HR12 Compound units such as speed, pay rates and density
- HR13 Comparing lengths, areas and volumes using ratio
- HR14 Inverse proportion as proportion to a reciprocal
- HR15 Gradient as rate of change; proportion graphs
- HR16 Gradient as instantaneous and average rate of change
- HR17 Growth and decay problems and iterative processes