Keystones — Capstone
Five GCSE retrieval questions · 12 March 2026 · mathsvault.uk/keystones
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1. Number Dividing in standard form
Divide: 1.4 × 107 ÷ 8.2 × 104
Answer: 1.71 × 102 -
2. Algebra Solving non-monic quadratics
Solve: 2x² + 8x + 6 = 0
Answer: x = -1 or x = -3 -
3. Geometry SOHCAHTOA — missing angle
Adjacent = 25cm, hypotenuse = 31cm. Find the angle
Answer: 36.2° -
4. Ratio Mixed ratio problems
£266.00 is shared between A and B in the ratio 5:2. How much does A receive?
Answer: £190.00 -
5. Statistics Median
Find the median of: 25, 24, 33, 25, 66, 41, 34, 69, 64, 66, 56
Answer: 41