## OCR June 2018 Higher Paper 4

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 17: Types of Graphs - Reciprocal, Trigonometric, Exponential, Cubic, Quadratic

• Question 18: Area of Any Triangle, The Cosine Rule

• Question 19: Quadratic Sequences Nth Term