All model answers are purely the work MathsGenie and this work has neither been seen nor verified by OCR.
Question 1: Sharing Ratio, Unitary Ratio
Question 2: Multiplying and Dividing Indices
Question 3: Product of Prime factors, Lowest Common Multiple LCM and Highest Common Factor HCF
Question 4: Sampling, Scatter Graphs, Percentages
Question 5: Scale Drawing, Compound Measures, Speed, Distance and Time
Question 6: Transformations: Reflection and Rotation
Question 7: Loci and Construction
Question 8: Circle Theorems, Trigonometry (SOHCAHTOA), Area of a Circle
Question 9: Forming and Solving Simultaneous Equations
Question 10: Probability, Probability Trees
Question 11: Direct and Inverse Proportion Formula, Repeated percentage Change
Question 12: Compound Interest and Depreciation
Question 13: The Product Rule for Counting
Question 14: Venn Diagrams, Conditional Probability
Question 15: Completing the Square, Turning Point, Transformations
Question 16: Factorising Harder Quadratics, Solving Quadratics
Question 17: Types of Graphs - Reciprocal, Trigonometric, Exponential, Cubic, Quadratic
Question 18: Area of Any Triangle, The Cosine Rule
Question 19: Quadratic Sequences Nth Term
Question 20: Algebraic Fractions, Solving Quadratics, Quadratic Formula