All model answers are purely the work MathsGenie and this work has neither been seen nor verified by OCR.
Question 1: Converting between Standard Form and Ordinary Numbers, Percentage Change
Question 2: Scale Drawings, Loci and Construction
Question 3: Scatter Graphs, Pie Charts
Question 4: Probability, Writing Ratio
Question 5: Gradient of a Line, Equation of a Line, Parallel Lines
Question 6: Probability, Sample Space, Negative Numbers
Question 7: Drawing Quadratic Graphs
Question 8: Volume of Cuboid, Volume of Pyramid, Compound Measures: Density, Mass and Volume
Question 9: Transformations: Enlargement with Fractional Scale Factor, Similar Shapes: Length, Area and Volume
Question 10: Histograms
Question 11: Bounds
Question 12: Inverse Proportion
Question 13: Congruent Trinagles, Geometric Proof. Circle Theorems
Question 14: Functions, Inverse and Composite Functions
Question 15: Trigonometric Graphs, Solving Trigonometric Equations
Question 16: Indices, Adding Fractions
Question 17: Simplifying Indices
Question 18: 3d Pythagoras, 3d Trigonometry: SOHCAHTOA