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## These are the Year 9 Maths topics we cover.

- Revision of place value
- Revision of the four rules – Whole numbers
- Revision of the four rules – Decimals
- Problems in contexts
- Factors and prime numbers
- Prime factors
- Index notations
- Laws of indices
- Negative indices
- Fractional indices
- Standard form
- Highest Common factor and lowest common multiples
- Squares and square roots
- Order of operations
- Rounding
- Estimating
- Calculator logics – Bracket and memory keys
- Revision of equivalent fractions
- Finding fraction of quantities
- Revision of operations with fractions
- Fractions, decimals and percentages equivalents
- Finding percentages
- Increasing and decreasing quantities by a percentage
- Percentage increase and decrease
- Reverse percentage

- Revision of (x, y) coordinates
- Straight line graphs
- Parallel and perpendicular lines
- Linear sequences
- Finding the Nth term of a linear sequence
- Quadratic sequences
- Other important sequences
- Equations, formula and identities
- Simplifying expressions
- Factorisation
- Quadratic equations
- Factorising quadratic equations
- Completing the square
- Using formulae
- Expanding single brackets
- Linear equations
- Common factors
- Expanding two brackets
- Simultaneous equations
- Equations in context
- Linear inequalities
- Graphs of quadratic functions
- Graphs of cubic and reciprocal functions
- Solving non-linear equations
- Quadratic inequalities
- Equations of perpendicular lines

- Equivalent ratios
- Direct proportions
- Proportional divisions
- Linear conversions
- Inverse proportions

- Recap 2D shapes: names and properties
- Translations
- Enlargements
- Reflections
- Rotations
- Combining transformations
- Area of special shapes
- Perimeter of special shapes
- Surface area and volume of 3D shapes
- Pythagoras theorems
- Calculating the length of the hypotenuse
- Calculating the lengths of the other sides
- Trigonometric functions
- Calculating sides
- Calculating angles
- Recap angles and scale drawings
- Constructions
- Loci

- Revision of the probability scale
- Probability of single event
- Probability of two events
- Theoretical and experimental probability

- Data collection and presentation
- Frequency tables – Discreet ungrouped data
- Mean, median, mode and range
- Plotting scatter diagrams
- Lines of best fit
- Equation of the line of best fit
- Grouped data
- Cumulative frequency
- Box and whisker plot

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