Cambridge Progression Test Stage 9 Mathematics 2025 Paper 1

1. Standard form comparison, irrational numbers identification, correct unit selection for data size, exponent manipulation, nth term derivation, sequence rule formulation
2. Polygon angle calculation, tessellation explanation, rearranging algebraic formulas, identifying y-intercept from linear equation
3. Probability tree completion, compound probability computation, area and perimeter under enlargement, fractional inequality
4. Simultaneous equation solving, taxi fare interpretation from graph, probability table completion, expected frequency, estimating cylinder volume
5. Identifying function outputs, naming polygons by symmetry count, exponent equation completion, algebraic expression simplification using area
6. Describing combined geometric transformations (double reflection), mixed number operations, equation solving from real-life context, reflection in vertical line and counterexample identification