Keystones — Capstone
Five GCSE retrieval questions · 6 August 2026 · mathsvault.uk/keystones
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1. Number Dividing in standard form
Divide: 1.4 × 107 ÷ 5.6 × 106
Answer: 2.5 × 100 -
2. Algebra Solving non-monic quadratics
Solve: 2x² + 14x + 24 = 0
Answer: x = -3 or x = -4 -
3. Geometry SOHCAHTOA — missing angle
Adjacent = 24cm, hypotenuse = 40cm. Find the angle
Answer: 53.1° -
4. Ratio Mixed ratio problems
£232.00 is shared between A and B in the ratio 3:5. How much does A receive?
Answer: £87.00 -
5. Statistics Median
Find the median of: 42, 72, 80, 67, 42, 37, 59, 73, 68, 52
Answer: 67