Unit 4 - Multiplicative relationships : Percentages and proportionality

4.1 Convert fractions to decimals

4.2 Convert terminating decimals to fractions

4.3 Convert between fractions and percentages

4.4 Convert recurring decimals to fractions

4.5 Convert between fractions, decimals and percentages

4.6 Express a quantity as a fraction and percentage of another

4.7 Percentages of amounts without a calculator

4.8 Percentage increase/decrease without a calculator

4.9 Percentage of amounts with a calculator (decimal multiplier)

4.10 Percentage increase/decrease with a calculator (decimal multiplier)

4.11 Finding an original amount after a percentage change

4.12 Finding a percentage change given an original and final amount

4.13 Compound interest

4.14 Simple interest

4.15 Converting time

4.16 Concept of speed

4.17 Calculating speed

4.18 Calculating distance and time given speed

4.19 Calculating speed, distance and time

4.20 Converting metric units of speed