Keystones — Cornerstone
Five GCSE retrieval questions · 24 May 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Calculate: 4⁄2 ÷ 6
Answer: 1⁄3 -
2. Algebra Two-step inequalities
Solve: 2x - 10 > 31
Answer: x > 20.5 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 14cm and 7cm
Answer: 49cm² -
4. Ratio Unitary method
9 kg costs £10.20. What is the cost of 19 kg?
Answer: £21.53 -
5. Statistics Mode
What are the modes of: 29, 17, 16, 32, 16, 32
Answer: 16 and 32