All model answers are purely the work MathsGenie and this work has neither been seen nor verified by OCR.
Question 1: Factors, Multiples and Primes
Question 2: Converting Fractions to Decimals, Dividing Decimals
Question 3: Indices, Order of Operations, BIDMAS
Question 4: Simplifying Algebra, Indices, Substitution
Question 5: Naming Shapes, Symmetry, Area of a Triangle
Question 6: Bar Charts, Percentages
Question 7: Angles in Parallel Lines, Angles in a Triangle
Question 8: Adding and Subtracting Decimals
Question 9: Converting between ratios to fractions
Question 10: Venn Diagrams, Probability
Question 11: Equivalent Fractions, Ratio
Question 12: Expanding Brackets, Solving Inequalities
Question 13: Adding Fractions, Mixed Numbers, Adding and Subtracting Numbers in Standard Form
Question 14: Percentage of Amount
Question 15: Area, Converting Units, Multiplying Decimals
Question 16: Algebraic Expressions, Coordinates, Solving Equations
Question 17: Distance Time Graphs, Real Life Graphs, Compound Measures, Speed
Question 18: Probability, Relative Frequency
Question 19: Reading Scale, Proportion, Fraction of Amount
Question 20: Similar Shapes, Scale factors
Question 21: Algebra, Area of a Circle, Simplifying Algebra, Algebraic Expressions