Keystones — Cornerstone
Five GCSE retrieval questions · 16 October 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Calculate: 6⁄2 ÷ 5
Answer: 3⁄5 -
2. Algebra Two-step inequalities
Solve: 6x - 14 > 11
Answer: x > 4.2 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 8cm and 13cm
Answer: 52cm² -
4. Ratio Unitary method
If 3 items cost £24.00, how much do 5 items cost?
Answer: £40.00 -
5. Statistics Mode
Find the mode of: 8, 12, 15, 15, 15, 6
Answer: 15