Keystones — Cornerstone
Five GCSE retrieval questions · 7 July 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Calculate: 6⁄8 ÷ 3
Answer: 1⁄4 -
2. Algebra Two-step inequalities
Solve: 2x + 11 < 34
Answer: x < 11.5 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 8cm and 15cm
Answer: 60cm² -
4. Ratio Unitary method
7 kg costs £25.30. What is the cost of 22 kg?
Answer: £79.51 -
5. Statistics Mode
Find the mode of: 12, 12, 12, 15, 11, 12
Answer: 12