Number and financial mathematics
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Operations, powers and factors
1Evaluate an integer expressionOpen, set of 8START2Factors, multiples, HCF, LCM and primesOpen, set of 8START
Rounding and estimation
3Round to decimal places or significant figuresOpen, set of 8START4Estimate an expression using rounded inputsOpen, set of 8START
Rational and irrational numbers
5Convert between fractions, mixed numbers and decimalsOpen, set of 8START6Classify real numbers and compare exact valuesOpen, set of 8START
Fraction arithmetic
Ratios and rates
8Write a ratio from countsOpen, set of 8START9Write ratios in simplest formOpen, set of 8START10Complete equivalent ratiosOpen, set of 8START11Use a constant rateOpen, set of 8START12Divide a quantity in a given ratioOpen, set of 8START13Decide which option is the better valueOpen, set of 8START
Percentages and money
14Convert between fractions, decimals and percentagesOpen, set of 8START15Find a percentage of a quantityOpen, set of 8START16Express one quantity as a percentage of anotherOpen, set of 8START17Find the original amount from a percentageOpen, set of 8START
Percentage change and percentage error
18Increase or decrease a quantity by a percentageOpen, set of 8START19Find percentage changeOpen, set of 8START20Percentage error against a reference valueOpen, set of 8START21Find the original amount from a percentageOpen, set of 8START
Profit, mark-up and discount
Income and tax
Simple interest
Compound interest (optional extension)