Mathematics
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DCGS
Key Stage 3
Number
Prime numbers, square and triangular numbers
Factors and multiples
Adding and subtracting whole numbers
Multiplying and dividing whole numbers
Simplifying fractions
Adding and subtracting fractions
Multiplying and dividing decimals
Multiplying and dividing fractions
Order of operations
Indices and roots
Standard form
Interchanging fractions, decimals and percentages
Metric and Imperial units
Rounding and estimating
Algebra
Expanding a single bracket
Factorising expressions
Expanding double brackets
Constructing and substituting into formulae
Rearranging formulae
Solving equations involving fractions
Solving linear inequalities
Sequences
Simultaneous equations
Ratio and proportion
Working with ratios
Scale factors and map ratios
Percentage change
Reverse percentages
Geometry and measures
Area and perimeter of rectangles
Area of triangle and parallelograms
Volume of cuboids and prisms
Area and circumference of circles
Arcs and sectors
Translation
Rotation
Reflection
Enlargement
Angle laws
Angles in polygons
Pythagoras' Theorem
Trigonometry
Probability and statistics
Introducing probability
Averages and range from a grouped frequency table
Key Stage 4
Algebra
Factorising quadratics
Volume of cuboids and prisms
Example videos
Finding the volume of shapes made of cuboids
Video: https://www.youtube.com/embed/GN2LCLkAFS4
Practice questions
Volume of cuboids - questions
Volume of cuboids - worked solutions