Keystones — Cornerstone
Five GCSE retrieval questions · 14 February 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Divide: 4⁄5 ÷ 1⁄6
Answer: 24⁄5 -
2. Algebra Two-step inequalities
Solve: 4x - 10 > 10
Answer: x > 5 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 7cm and 11cm
Answer: 38.5cm² -
4. Ratio Unitary method
If 4 items cost £32.00, how much do 5 items cost?
Answer: £40.00 -
5. Statistics Mode
What are the modes of: 11, 11, 35, 17, 28, 35
Answer: 11 and 35