1. Exterior angle sum in quadrilateral, sign rules in operations, recursive sequence (square then add), rational number identification, area comparison (trapezium vs. square) 2. Inequality solution for integer values, line equation sorting by gradient/intercept, nth term evaluation, bearings classification, fractional multiplication and division 3. Grouped frequency distribution refinement, algebraic simplification with indices, standard form and ordinary number conversions, probability of combined events 4. Geometric construction of regular octagon, frequency polygon drawing and median class identification, powers of ten multiplication, algebraic expression evaluation using substitution 5. Fractional calculations with mixed numbers, exponent laws, corresponding angle and parallel line geometry, composite transformation (reflection + rotation), line equation graph analysis