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Skill map
Year 9 Mathematics
Number and financial mathematics
Chapter 1
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Solve a one-step linear equation
CH 2
Operations, powers and factors
Rounding and estimation
Rational and irrational numbers
Fraction arithmetic
Ratios and rates
Percentages and money
Percentage change and percentage error
Income and tax
Simple interest
Compound interest
Order of operations with integers
Powers and roots of perfect powers
Primes, composites, factors and multiples
Lowest common multiple
Signed numbers
Multiplication and division
Highest common factor
Round to a stated number of significant figures
Estimate by rounding to one significant figure
Rounding
Decimal place value
Convert between fractions, mixed numbers and decimals
Compare and order fractions
Identify the smallest standard real-number set containing an evaluated exact value, distinguishing natural numbers, integers, rationals and irrationals under the project convention
Equivalent fractions
Simplify a fraction
Add and subtract fractions and mixed numbers
Multiply and divide fractions
Express a ratio
Simplify a ratio
Convert ratio terms to a common unit
Find an equivalent ratio
Divide a quantity in a given ratio
Unitary method
Apply the unitary method to a rate
Compare unit prices to find the best buy
Convert between units
Percent as parts per hundred
Convert a fraction to a percentage
Convert a decimal to a percentage
Convert a percentage to a fraction
Convert a percentage to a decimal
Percentage of a quantity
Express one quantity as a percentage of another
Find the original amount from a percentage
Percentage change as a multiplier
Calculate absolute error relative to a positive reference as a percentage and interpret its magnitude
Apply a percentage increase or decrease
Calculate a percentage change
Wages, salaries, overtime and commission
Gross income, deductions, net income and tax
Simple interest using I = P × r/100 × t
Substitute known values into a formula and evaluate it correctly
Compound interest using A = P(1 + r/100)^n