All model answers are purely the work MathsGenie and this work has neither been seen nor verified by OCR.
Question 1: 3d Shapes, Angles and Lines
Question 2: Adding Fractions, Ordering and Comparing Fractions
Question 3: Volume of a Prism (Cuboid)
Question 4: Adding and Subtracting Negative Numbers, Roots, Error Intervals
Question 5: Multiplying Negative Numbers
Question 6: Simplifying Ratio, Unitary Ratio, Converting between Units, Rate of Change
Question 7: Frequency Trees, Probability Relative Frequency, Sampling
Question 8: Averages: Mean
Question 9: Converting Decimals to Fractions, Proportion
Question 10: Indices, Standard Form
Question 11: Real Life Graphs, Drawing Straight Line Graphs, Gradient of a Line, Equation of a Line
Question 12: Straight Line Graphs, The Equation of a Line
Question 13: Standard Form, Multiplying and Dividing Numbers in Standard Form
Question 14: Estimating the Mean
Question 15: Percentages, Compound Interest, Simple Interest
Question 16: Converting between Ratio and Fractions, Converting between Ratio and Linear Equations
Question 17: Area of a rectangle, Area of a Triangle
Question 18: Loci and Construction
Question 19: Forming and Solving Simultaneous Equations
Question 20: Combining Ratios
Question 21: Algebraic Proof