Key Stage 3
Year 9 Maths
The bridge into GCSE, where the tools get sharper. The year covers simultaneous equations, Pythagoras' theorem, an introduction to trigonometry, indices and standard form, and quadratic sequences.
What Should a Student Know in Year 9?
Download the full checklist of Year 9 topics, every domain and every objective the year covers, as a printable PDF booklet.
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Visual Curriculum Map
See how Year 9 topics connect across the curriculum, where each one begins and what they build towards.
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19 topics
Year 9 Topics
Properties of number
Find factors, multiples and primes
Percentages
Increase or decrease an amount by a percentage
Fractions
Add and subtract fractions
Standard form
Write a number in standard form
Maths and money
Understand how a bank account works
Area and volume
Work out which flat net folds into which solid
Constructions and congruence
Draw and measure angles accurately
Similarity
Recognise an enlargement and similar shapes
Pythagoras’ theorem
Solve an equation involving squares and square roots
Transformations
Enlarge a shape by a whole-number scale factor
Trigonometry
Name the sides of a right-angled triangle
Equations, inequalities and formulae
Solve an equation or an inequality
Straight line graphs
Recognise lines across, up, and the diagonals
Algebraic manipulation
Multiply out brackets and simplify
Non-linear graphs
Substitute values into an expression with a squared term
Simultaneous equations
Use one known value to find another
Rates
Work out speed, distance or time
Ratio and proportion
Recognise when two quantities grow together
Sets and probability
Describe a collection of values as a set
Check What Is Secure
Take a module assessment on a single Year 9 topic, or a full assessment across the whole year, and see what has landed and what needs another look.
Ready for Year 10 Foundation?
Continue into the next stage of the curriculum when ready.