## 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
• Other important sequences
• Equations, formula and identities
• Simplifying expressions
• Factorisation
• Completing the square
• Using formulae
• Expanding single brackets
• Linear equations
• Common factors
• Expanding two brackets
• Simultaneous equations
• Equations in context
• Linear inequalities
• Graphs of cubic and reciprocal functions
• Solving non-linear equations
• 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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