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Ratio, proportion and rates of change
Both tiers · 22-28% of Foundation marks, 17-23% of Higher.
10 Lessons
Level 1
Ratio notation and multiplicative comparison
Ratios and what they compare
Core
Level 2
Fractions within ratio problems
Fractions inside ratio problems
Core
Level 3
Sharing quantities and equivalent ratios
Sharing in a ratio
Core · Free
Level 4
Scale factors, scale drawings and maps
Scale drawings, maps and bearings
Core
Level 5
Percentages, changes and multipliers
Percentage change and multipliers
Core
Level 6
Original values, profit and simple interest
Reverse percentages, profit and simple interest
Core · Free
Level 7
Compound growth and decay
Compound growth and decay
Core · Free
Level 8
Direct and inverse proportion: tables and relationships
Direct and inverse proportion
Core
Level 9
Speed, density, pressure and unit pricing
Speed, density and other rates
Core
Level 10
Proportional graphs and rates of change
Proportion graphs and rates of change
Core
Sharing in a ratio
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