Keystones — Cornerstone
Five GCSE retrieval questions · 30 August 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Divide: 1⁄3 ÷ 4⁄3
Answer: 1⁄4 -
2. Algebra Two-step inequalities
Solve: 2x - 7 > 27
Answer: x > 17 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 6cm and 11cm
Answer: 33cm² -
4. Ratio Unitary method
4 kg costs £37.40. What is the cost of 20 kg?
Answer: £187.00 -
5. Statistics Mode
Find the mode of: 8, 5, 10, 8, 8, 6
Answer: 8