All model answers are purely the work MathsGenie and this work has neither been seen nor verified by OCR.
Question 1: Scatter Graphs, Writing and Simplifying Ratio, Misleading Graphs and Charts
Question 2: Averages from Frequency Tables, Estimating the Mean
Question 3: Multiplying and Dividing Standard Form
Question 4: Error Intervals, Truncating
Question 5: Scale Drawings, Proportion, Unitary Ratio
Question 6: Ratio Problems, Combining Ratio, Sharing Ratio
Question 7: Probability and Relative Frequency, Probability Trees
Question 8: Speed Time Graphs, Velocity Time Graphs, Area under a Graph
Question 9: Graphs of Direct and Inverse Proportion
Question 10: Graphs of Direct and Inverse Proportion
Question 11: Angles in Polygons, Forming and Solving Equations
Question 12: Forming and Solving Quadratic Equations, SOlving Quadratics, The Quadratic Formula
Question 13: Circles: Sector Areas and Arc Lengths
Question 14: Converting Recurring Decimals to Fractions
Question 15: Iteration, Using Iterative Formulae
Question 16: Bounds
Question 17: The Equation of a Circle, Quadratic Simultaneous Equations
Question 18: Trigonometric Graphs, Transforming Graphs, Trig Graph Transformations
Question 19: The Sine Rule, The Cosine Rule, The Area of Any Triangle
Question 20: Column Vectors, Forming and Solving Simultaneous Equations
Question 21: Adding and Subtracting Algebraic Fractions, Simplifying Algebraic Fractions