All model answers are purely the work MathsGenie and this work has neither been seen nor verified by OCR.
Question 1: Use of Calculator
Question 2: Error Intervals, Bounds
Question 3: Prime Factors, Prime Factor Decomposition, LCM
Question 4: Substitution, Kinematic Equations
Question 5: Reverse Percentages
Question 6: Perimeter, Circumference of Circles
Question 7: Bearings, Angles, Trigonometry: SOHCAHTOA
Question 8: Time Series
Question 9: Forming and Solving Simultaneous Equations
Question 10: Multipliers, Compound Interest and Depreciation
Question 11: Transformations: Translation, Rotation
Question 12: Cumulative Frequency
Question 13: Probability: Tree Diagrams
Question 14: Trigonometry: The Sine Rule, The Cosine Rule
Question 15: Velocity Time Graphs, Tangents, Compound Measures, Speed, Distance and Time, Direct Proportion
Question 16: Completing the Square
Question 17: The Equation of a Circle
Question 18: Factorising Harder Quadratics, Solving Quadratics: The Quadratic Formula
Question 19: Sequences, Quadratic Sequences Nth Term
Question 20: Velocity Time Graphs, Distance