Contents 1 Prime factors 2 Prime pirate maze 3 Exponential notation 4 Simplifying numbers 5 Scientific notation 6 Highest Common Factor 7 Multiples 8 Lowest Common Multiple 9 Integers: Add and subtract 10     Integers: Multiply and divide 11     Function machines 12     Substitution 13     Sequences 14     Number patterns 15     Basic algebra 16     Algebraic pyramids 17     Perimeters and algebra 18     Algebraic multiplication 19     Simplifying expressions 20     Solving equations (1) 21     Solving equations (2) 22     Solving equations by removing brackets 23     Forming and solving algebraic equations 24     Exponents (powers) 25     Metric conversions 26     Metric conversions: Area 27     Metric conversions: Volume 28     Equivalent fractions 29     Increase and decrease percentages 30     Percentage profit and loss 31     Simple interest 32     Compound interest 33     Exchange rate 34     Proportion 35     Ratio 36     Ratio application 37     Speed 38     Probability 39     Probability application 40     Mode, median, mean and range 41     Stem-and-leaf diagrams 42     Pie charts 43     Analyse pie charts 44     Bar charts 45     Correlation 46     Grouping continuous data using equal class intervals 47     Angles of polygons 48     Polygons 49     Measuring bearings 50     Angles on a straight line 51     Vertically opposite angles 52     Angles at a point 53     Angles of a triangle 54     Special triangles 55     Angles of quadrilaterals 56     Parallel lines 57     Planes of symmetry 58     Translations 59     Enlargements 60     Coordinates 61     Linear equations 62     Plotting graphs and drawing linear equations 63     Real-life graphs 64     Application of real-life graphs 65     Theorem of Pythagoras 66     Perimeter and area calculations 67     Parallelograms and triangles 68     Composite areas 69     Squares and rectangles 70     Parallelograms and triangles 71     Area of a trapezium 72     Area of a kite 73     Circumference of a circle 74     Area of a circle 75     Area and circumference of circles (1) 76     Area and circumference of circles (2) 77     Volume and surface area: Cubes and cuboids 78     Volume of prisms and cylinders 79     Surface area of triangular right prisms and cylinders 80     Answers